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POLLUTION MONITOR READINGS FOR SATURDAY, JULY 01, 2006 O3 (OZONE) SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 90 114 Blue Point 62 48 Buckeye 67 56 Casa Grande (Pinal County) N/A N/A N/A Cave Creek 83 97 Central Phoenix 89 111 Dysart 79 87 Falcon Field 82 95 Fountain Hills 79 87 Glendale 84 100 Humboldt Mountain 84 100 Maricopa (Pinal County) 66 54 North Phoenix 94 124 Phoenix Supersite 85 101 Pinal Air Park (Pinal County) 65 51 Pinnacle Peak 79 87 Queen Creek (Pinal County) 79 87 Queen Valley (Pinal County) 80 90 Rio Verde 84 100 South Phoenix 59 46 South Scottsdale 80 90 Tempe 87 106 Tonto Nat’l Mon. (Gila County) 75 77 West Chandler 89 111 West Phoenix 85 101 Yuma (Yuma County) 60 47 CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.6 07 Greenwood 0.7 08 Phoenix Supersite 0.6 07 West Indian School 0.6 07 West Phoenix 0.2 02 PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 53 49 Central Phoenix 42 39 Durango 49 45 Greenwood 45 42 Higley 79 63 Maricopa (Pinal County) 148 97 Phoenix Supersite 41 38 Stanfield (Pinal County) 103 75 West Forty Third 56 51 West Phoenix 49 45 PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 10.8 35 Dysart 12.4 40 Estrella Mountain Park 11.5 37 Phoenix Supersite 15.2 49 Vehicle Emissions Lab 9.6 31 West Phoenix 10.2 33

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POLLUTION MONITOR READINGS FOR SATURDAY, JULY 01, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 90 114 Blue Point 62 48 Buckeye 67 56 Casa Grande (Pinal County) N/A N/A N/A Cave Creek 83 97 Central Phoenix 89 111 Dysart 79 87 Falcon Field 82 95 Fountain Hills 79 87 Glendale 84 100 Humboldt Mountain 84 100 Maricopa (Pinal County) 66 54 North Phoenix 94 124 Phoenix Supersite 85 101 Pinal Air Park (Pinal County) 65 51 Pinnacle Peak 79 87 Queen Creek (Pinal County) 79 87 Queen Valley (Pinal County) 80 90 Rio Verde 84 100 South Phoenix 59 46 South Scottsdale 80 90 Tempe 87 106 Tonto Nat’l Mon. (Gila County) 75 77 West Chandler 89 111 West Phoenix 85 101 Yuma (Yuma County) 60 47

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.6 07 Greenwood 0.7 08 Phoenix Supersite 0.6 07 West Indian School 0.6 07 West Phoenix 0.2 02

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 53 49 Central Phoenix 42 39 Durango 49 45 Greenwood 45 42 Higley 79 63 Maricopa (Pinal County) 148 97 Phoenix Supersite 41 38 Stanfield (Pinal County) 103 75 West Forty Third 56 51 West Phoenix 49 45

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 10.8 35 Dysart 12.4 40 Estrella Mountain Park 11.5 37 Phoenix Supersite 15.2 49 Vehicle Emissions Lab 9.6 31 West Phoenix 10.2 33

POLLUTION MONITOR READINGS FOR SUNDAY, JULY 02, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 76 79 Blue Point 49 38 Buckeye 46 36 Casa Grande (Pinal County) N/A N/A N/A Cave Creek 63 49 Central Phoenix 60 47 Dysart 51 40 Falcon Field 64 50 Fountain Hills 66 54 Glendale 56 44 Humboldt Mountain 65 51 Maricopa (Pinal County) N/A N/A N/A North Phoenix 61 48 Phoenix Supersite 56 44 Pinal Air Park (Pinal County) 61 48 Pinnacle Peak 61 48 Queen Creek (Pinal County) 59 46 Queen Valley (Pinal County) 75 77 Rio Verde 69 61 South Phoenix 41 32 South Scottsdale 60 47 Tempe 59 46 Tonto Nat’l Mon. (Gila County) 73 72 West Chandler 68 59 West Phoenix 56 44 Yuma (Yuma County) 54 42

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.3 03 Greenwood 0.5 06 Phoenix Supersite 0.4 05 West Indian School 0.4 05 West Phoenix 0.3 03

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 34 31 Central Phoenix 29 27 Durango 29 27 Greenwood 38 35 Higley 25 23 Maricopa (Pinal County) 52 48 Phoenix Supersite 30 28 Stanfield (Pinal County) 52 48 West Forty Third 37 34 West Phoenix 33 31

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 4.9 16 Dysart 8.1 26 Estrella Mountain Park 7.2 23 Phoenix Supersite 12.0 39 Vehicle Emissions Lab 6.6 21 West Phoenix 6.6 21

POLLUTION MONITOR READINGS FOR MONDAY, JULY 03, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 78 85 Blue Point 51 40 Buckeye 46 36 Casa Grande (Pinal County) 61 48 Cave Creek 65 51 Central Phoenix 66 54 Dysart 53 41 Falcon Field 67 56 Fountain Hills 74 74 Glendale 63 49 Humboldt Mountain 65 51 Maricopa (Pinal County) N/A N/A N/A North Phoenix 71 66 Phoenix Supersite 63 49 Pinal Air Park (Pinal County) 58 45 Pinnacle Peak 72 69 Queen Creek (Pinal County) 60 47 Queen Valley (Pinal County) 73 72 Rio Verde 78 85 South Phoenix 44 34 South Scottsdale 65 51 Tempe 63 49 Tonto Nat’l Mon. (Gila County) 79 87 West Chandler 64 50 West Phoenix 63 49 Yuma (Yuma County) 37 29

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.4 05 Greenwood 0.5 06 Phoenix Supersite 0.4 05 West Indian School 0.3 03 West Phoenix 0.2 02

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 34 31 Central Phoenix 31 29 Durango 35 32 Greenwood 34 31 Higley 29 27 Maricopa (Pinal County) N/A N/A N/A Phoenix Supersite 29 27 Stanfield (Pinal County) N/A N/A N/A West Forty Third 37 34 West Phoenix 31 29

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 5.2 17 Dysart 8.7 28 Estrella Mountain Park 7.2 23 Phoenix Supersite 11.6 38 Vehicle Emissions Lab 6.7 22 West Phoenix 6.7 22

POLLUTION MONITOR READINGS FOR TUESDAY, JULY 04, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 63 49 Blue Point 44 34 Buckeye 38 30 Casa Grande (Pinal County) 50 39 Cave Creek 57 45 Central Phoenix 54 42 Dysart 46 36 Falcon Field 56 44 Fountain Hills 59 46 Glendale 53 41 Humboldt Mountain 56 44 Maricopa (Pinal County) 40 31 North Phoenix 55 43 Phoenix Supersite 49 38 Pinal Air Park (Pinal County) 46 36 Pinnacle Peak 55 43 Queen Creek (Pinal County) 48 38 Queen Valley (Pinal County) 62 48 Rio Verde 60 47 South Phoenix 37 29 South Scottsdale 54 42 Tempe 55 43 Tonto Nat’l Mon. (Gila County) 62 48 West Chandler 59 46 West Phoenix 49 38 Yuma (Yuma County) 40 31

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.3 03 Greenwood 0.3 03 Phoenix Supersite 0.3 03 West Indian School 0.2 02 West Phoenix 0.1 01

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 34 31 Central Phoenix 34 31 Durango 37 34 Greenwood 35 32 Higley 29 27 Maricopa (Pinal County) 55 51 Phoenix Supersite 27 25 Stanfield (Pinal County) 61 54 West Forty Third 38 35 West Phoenix 31 29

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 7.8 25 Dysart 9.9 32 Estrella Mountain Park 7.4 24 Phoenix Supersite 12.9 42 Vehicle Emissions Lab 8.3 27 West Phoenix 6.9 22

POLLUTION MONITOR READINGS FOR WEDNESDAY, JULY 05, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 68 59 Blue Point 44 34 Buckeye 43 34 Casa Grande (Pinal County) 61 48 Cave Creek 59 46 Central Phoenix 58 45 Dysart 44 34 Falcon Field 55 43 Fountain Hills 61 48 Glendale 59 46 Humboldt Mountain 62 48 Maricopa (Pinal County) 44 34 North Phoenix 59 46 Phoenix Supersite 53 41 Pinal Air Park (Pinal County) 56 44 Pinnacle Peak 56 44 Queen Creek (Pinal County) 55 43 Queen Valley (Pinal County) 75 77 Rio Verde 60 47 South Phoenix 39 30 South Scottsdale 54 42 Tempe 54 42 Tonto Nat’l Mon. (Gila County) 67 56 West Chandler N/A N/A N/A West Phoenix 55 43 Yuma (Yuma County) 55 43

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.5 06 Greenwood 0.6 07 Phoenix Supersite 0.4 05 West Indian School 0.5 06 West Phoenix 0.2 02

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 101 74 Central Phoenix 44 41 Durango 64 55 Greenwood 48 44 Higley 52 48 Maricopa (Pinal County) 21 19 Phoenix Supersite 41 38 Stanfield (Pinal County) 40 37 West Forty Third 83 65 West Phoenix 40 37

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango N/A N/A N/A Dysart 10.9 35 Estrella Mountain Park 7.9 26 Phoenix Supersite 12.0 39 Vehicle Emissions Lab 7.8 25 West Phoenix 6.4 21

POLLUTION MONITOR READINGS FOR THURSDAY, JULY 06, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 78 85 Blue Point 61 48 Buckeye 68 59 Casa Grande (Pinal County) 59 46 Cave Creek 75 77 Central Phoenix 75 77 Dysart 70 64 Falcon Field 71 66 Fountain Hills 80 90 Glendale 71 66 Humboldt Mountain 75 77 Maricopa (Pinal County) N/A N/A N/A North Phoenix 80 90 Phoenix Supersite 73 72 Pinal Air Park (Pinal County) 60 47 Pinnacle Peak 74 74 Queen Creek (Pinal County) 62 48 Queen Valley (Pinal County) 73 72 Rio Verde 80 90 South Phoenix 52 41 South Scottsdale 73 72 Tempe 72 69 Tonto Nat’l Mon. (Gila County) 66 54 West Chandler 77 82 West Phoenix 73 72 Yuma (Yuma County) 50 39

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.8 09 Greenwood 1.2 14 Phoenix Supersite 0.6 07 West Indian School 0.8 09 West Phoenix 0.8 09

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 34 31 Central Phoenix 26 24 Durango 45 42 Greenwood 35 32 Higley 40 37 Maricopa (Pinal County) N/A N/A N/A Phoenix Supersite 24 22 Stanfield (Pinal County) 32 30 West Forty Third 57 52 West Phoenix 31 29

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango N/A N/A N/A Dysart 8.7 28 Estrella Mountain Park 9.2 30 Phoenix Supersite 11.4 37 Vehicle Emissions Lab 7.0 23 West Phoenix 8.1 26

POLLUTION MONITOR READINGS FOR FRIDAY, JULY 07, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 55 43 Blue Point 48 38 Buckeye 48 38 Casa Grande (Pinal County) 56 44 Cave Creek 56 44 Central Phoenix 54 42 Dysart 50 39 Falcon Field 53 41 Fountain Hills 56 44 Glendale 56 44 Humboldt Mountain 60 47 Maricopa (Pinal County) N/A N/A N/A North Phoenix 57 45 Phoenix Supersite 54 42 Pinal Air Park (Pinal County) 48 38 Pinnacle Peak 52 41 Queen Creek (Pinal County) 46 36 Queen Valley (Pinal County) 52 41 Rio Verde 55 43 South Phoenix 40 31 South Scottsdale 49 38 Tempe 55 43 Tonto Nat’l Mon. (Gila County) 51 40 West Chandler 60 47 West Phoenix 56 44 Yuma (Yuma County) 56 44

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.3 03 Greenwood 0.5 06 Phoenix Supersite 0.4 05 West Indian School 0.4 05 West Phoenix 0.2 02

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 29 27 Central Phoenix 24 22 Durango 39 35 Greenwood 34 31 Higley 53 49 Maricopa (Pinal County) N/A N/A N/A Phoenix Supersite 29 27 Stanfield (Pinal County) 49 45 West Forty Third 55 51 West Phoenix 31 29

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 2.9 09 Dysart 6.7 22 Estrella Mountain Park 6.0 14 Phoenix Supersite 8.1 26 Vehicle Emissions Lab 5.2 17 West Phoenix 4.8 16

POLLUTION MONITOR READINGS FOR SATURDAY, JULY 08, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 65 51 Blue Point 47 37 Buckeye 60 47 Casa Grande (Pinal County) 62 48 Cave Creek 65 51 Central Phoenix 83 97 Dysart 65 51 Falcon Field 62 48 Fountain Hills 62 48 Glendale 79 87 Humboldt Mountain 66 54 Maricopa (Pinal County) 56 44 North Phoenix 76 79 Phoenix Supersite 75 77 Pinal Air Park (Pinal County) 59 46 Pinnacle Peak 59 46 Queen Creek (Pinal County) 57 45 Queen Valley (Pinal County) 60 47 Rio Verde 57 45 South Phoenix 54 42 South Scottsdale 74 74 Tempe 72 69 Tonto Nat’l Mon. (Gila County) 55 43 West Chandler 72 69 West Phoenix 76 79 Yuma (Yuma County) 58 45

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.3 03 Greenwood 0.7 08 Phoenix Supersite 0.6 05 West Indian School 0.4 05 West Phoenix 0.4 05

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 26 24 Central Phoenix 14 13 Durango 21 19 Greenwood 21 19 Higley 19 18 Maricopa (Pinal County) N/A N/A N/A Phoenix Supersite 16 15 Stanfield (Pinal County) 39 34 West Forty Third 26 24 West Phoenix 20 19

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 3.1 10 Dysart 6.5 21 Estrella Mountain Park 5.0 16 Phoenix Supersite 9.1 30 Vehicle Emissions Lab 4.1 13 West Phoenix 5.9 19

POLLUTION MONITOR READINGS FOR SUNDAY, JULY 09, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 69 61 Blue Point 49 38 Buckeye 55 43 Casa Grande (Pinal County) 58 45 Cave Creek 66 54 Central Phoenix 67 56 Dysart 61 48 Falcon Field 63 49 Fountain Hills 73 72 Glendale 63 49 Humboldt Mountain 68 59 Maricopa (Pinal County) N/A N/A N/A North Phoenix 69 61 Phoenix Supersite 63 49 Pinal Air Park (Pinal County) 60 47 Pinnacle Peak 66 54 Queen Creek (Pinal County) 60 47 Queen Valley (Pinal County) 65 51 Rio Verde 73 72 South Phoenix 46 36 South Scottsdale 66 54 Tempe 65 51 Tonto Nat’l Mon. (Gila County) 68 59 West Chandler 67 56 West Phoenix 65 51 Yuma (Yuma County) 64 50

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.3 03 Greenwood 0.8 09 Phoenix Supersite 0.7 08 West Indian School 0.5 06 West Phoenix 0.7 08

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 25 23 Central Phoenix 20 19 Durango 22 20 Greenwood 25 23 Higley 25 23 Maricopa (Pinal County) 42 39 Phoenix Supersite 20 19 Stanfield (Pinal County) 45 42 West Forty Third 27 25 West Phoenix 27 25

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 2.6 08 Dysart 7.0 23 Estrella Mountain Park 6.5 21 Phoenix Supersite 9.4 31 Vehicle Emissions Lab 4.7 15 West Phoenix 6.3 20

POLLUTION MONITOR READINGS FOR MONDAY, JULY 10, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 74 74 Blue Point 51 40 Buckeye 40 31 Casa Grande (Pinal County) 48 38 Cave Creek 60 47 Central Phoenix 55 43 Dysart 45 35 Falcon Field 69 61 Fountain Hills 70 64 Glendale 52 41 Humboldt Mountain 61 48 Maricopa (Pinal County) 40 31 North Phoenix 61 48 Phoenix Supersite 52 41 Pinal Air Park (Pinal County) 45 35 Pinnacle Peak 62 48 Queen Creek (Pinal County) 58 45 Queen Valley (Pinal County) 73 72 Rio Verde 67 56 South Phoenix 39 30 South Scottsdale 60 47 Tempe 58 45 Tonto Nat’l Mon. (Gila County) 66 54 West Chandler 69 61 West Phoenix 52 41 Yuma (Yuma County) 39 30

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.4 05 Greenwood 0.6 07 Phoenix Supersite 0.4 05 West Indian School 0.4 05 West Phoenix 0.2 02

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 47 44 Central Phoenix 31 29 Durango 50 46 Greenwood 33 31 Higley 60 53 Maricopa (Pinal County) 72 59 Phoenix Supersite 28 26 Stanfield (Pinal County) 45 42 West Forty Third 61 54 West Phoenix 31 29

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 8.1 26 Dysart 9.2 30 Estrella Mountain Park 6.9 22 Phoenix Supersite 10.2 33 Vehicle Emissions Lab 6.4 21 West Phoenix 5.7 19

POLLUTION MONITOR READINGS FOR TUESDAY, JULY 11, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 61 48 Blue Point 45 35 Buckeye 39 30 Casa Grande (Pinal County) 45 35 Cave Creek 54 42 Central Phoenix 56 44 Dysart 43 34 Falcon Field 56 44 Fountain Hills 63 49 Glendale 47 37 Humboldt Mountain 54 42 Maricopa (Pinal County) 41 32 North Phoenix 57 45 Phoenix Supersite 50 39 Pinal Air Park (Pinal County) 45 35 Pinnacle Peak 55 43 Queen Creek (Pinal County) 50 39 Queen Valley (Pinal County) 59 46 Rio Verde 62 48 South Phoenix 39 30 South Scottsdale 54 42 Tempe 54 42 Tonto Nat’l Mon. (Gila County) 59 46 West Chandler 59 46 West Phoenix 50 39 Yuma (Yuma County) 39 30

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.5 06 Greenwood 0.7 08 Phoenix Supersite 0.5 06 West Indian School 0.8 09 West Phoenix 0.4 05

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 53 49 Central Phoenix 30 28 Durango 53 49 Greenwood 33 31 Higley 62 54 Maricopa (Pinal County) 70 58 Phoenix Supersite 28 26 Stanfield (Pinal County) 72 59 West Forty Third 74 60 West Phoenix 31 29

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango N/A N/A N/A Dysart 8.0 26 Estrella Mountain Park 6.3 20 Phoenix Supersite 11.0 36 Vehicle Emissions Lab 5.3 17 West Phoenix N/A N/A N/A

POLLUTION MONITOR READINGS FOR WEDNESDAY, JULY 12, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 65 51 Blue Point 45 35 Buckeye 37 29 Casa Grande (Pinal County) 50 39 Cave Creek 55 43 Central Phoenix 48 38 Dysart 41 32 Falcon Field 58 45 Fountain Hills 62 48 Glendale 44 34 Humboldt Mountain 49 38 Maricopa (Pinal County) 38 30 North Phoenix 52 41 Phoenix Supersite 45 35 Pinal Air Park (Pinal County) 48 38 Pinnacle Peak 53 41 Queen Creek (Pinal County) 60 47 Queen Valley (Pinal County) 63 49 Rio Verde 59 46 South Phoenix 33 26 South Scottsdale 48 38 Tempe 51 40 Tonto Nat’l Mon. (Gila County) 59 46 West Chandler 65 51 West Phoenix 46 36 Yuma (Yuma County) 35 27

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.3 03 Greenwood 0.1 01 Phoenix Supersite 0.4 05 West Indian School 0.1 01 West Phoenix 0.2 02

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 41 38 Central Phoenix 35 32 Durango 41 38 Greenwood 38 35 Higley 77 62 Maricopa (Pinal County) 53 49 Phoenix Supersite 29 27 Stanfield (Pinal County) 55 51 West Forty Third 63 55 West Phoenix 31 29

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 5.7 19 Dysart 6.0 19 Estrella Mountain Park 5.4 18 Phoenix Supersite 10.3 33 Vehicle Emissions Lab 5.7 19 West Phoenix 5.3 17

POLLUTION MONITOR READINGS FOR THURSDAY, JULY 13, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 64 50 Blue Point 44 34 Buckeye 41 32 Casa Grande (Pinal County) 52 41 Cave Creek 58 45 Central Phoenix 56 44 Dysart 45 35 Falcon Field 56 44 Fountain Hills 62 48 Glendale 47 37 Humboldt Mountain 54 42 Maricopa (Pinal County) 42 33 North Phoenix 58 45 Phoenix Supersite 42 33 Pinal Air Park (Pinal County) 49 38 Pinnacle Peak 54 42 Queen Creek (Pinal County) 50 39 Queen Valley (Pinal County) 64 50 Rio Verde 63 49 South Phoenix 37 29 South Scottsdale 57 45 Tempe 54 42 Tonto Nat’l Mon. (Gila County) 59 46 West Chandler 61 48 West Phoenix 56 44 Yuma (Yuma County) 39 30

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.3 03 Greenwood 0.2 02 Phoenix Supersite 0.4 05 West Indian School 0.1 01 West Phoenix 0.1 01

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 47 44 Central Phoenix 36 33 Durango 44 41 Greenwood 36 33 Higley 84 65 Maricopa (Pinal County) 75 61 Phoenix Supersite 30 28 Stanfield (Pinal County) 67 57 West Forty Third 55 51 West Phoenix 35 32

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango N/A N/A N/A Dysart 7.1 23 Estrella Mountain Park 5.9 19 Phoenix Supersite 11.0 36 Vehicle Emissions Lab 6.5 21 West Phoenix 5.6 18

POLLUTION MONITOR READINGS FOR FRIDAY, JULY 14, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 84 100 Blue Point 55 43 Buckeye 42 33 Casa Grande (Pinal County) 63 49 Cave Creek 64 50 Central Phoenix 62 48 Dysart 49 38 Falcon Field 69 61 Fountain Hills 78 85 Glendale 54 42 Humboldt Mountain 65 51 Maricopa (Pinal County) 42 33 North Phoenix 64 50 Phoenix Supersite 58 45 Pinal Air Park (Pinal County) 63 49 Pinnacle Peak 67 56 Queen Creek (Pinal County) 71 66 Queen Valley (Pinal County) 87 106 Rio Verde 73 72 South Phoenix 43 34 South Scottsdale 68 59 Tempe 64 50 Tonto Nat’l Mon. (Gila County) 79 87 West Chandler 71 66 West Phoenix 60 47 Yuma (Yuma County) 55 43

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.7 08 Greenwood 0.5 06 Phoenix Supersite 0.6 07 West Indian School 0.3 03 West Phoenix 0.4 05

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 61 54 Central Phoenix 54 50 Durango 68 57 Greenwood 48 44 Higley 71 59 Maricopa (Pinal County) 67 57 Phoenix Supersite 40 37 Stanfield (Pinal County) 60 53 West Forty Third 96 71 West Phoenix 45 42

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 11.5 37 Dysart 9.7 31 Estrella Mountain Park 8.0 26 Phoenix Supersite 14.3 46 Vehicle Emissions Lab 11.4 37 West Phoenix 8.1 26

POLLUTION MONITOR READINGS FOR SATURDAY, JULY 15, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 62 48 Blue Point 44 34 Buckeye 52 41 Casa Grande (Pinal County) 65 51 Cave Creek 62 48 Central Phoenix 68 59 Dysart 54 42 Falcon Field 58 45 Fountain Hills 59 46 Glendale 62 48 Humboldt Mountain 62 48 Maricopa (Pinal County) 55 43 North Phoenix 68 59 Phoenix Supersite 65 51 Pinal Air Park (Pinal County) 64 50 Pinnacle Peak 60 47 Queen Creek (Pinal County) 56 44 Queen Valley (Pinal County) 63 49 Rio Verde 57 45 South Phoenix 51 40 South Scottsdale 63 49 Tempe 66 54 Tonto Nat’l Mon. (Gila County) 61 48 West Chandler 71 66 West Phoenix 68 59 Yuma (Yuma County) 54 42

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.8 09 Greenwood 0.6 07 Phoenix Supersite 0.6 07 West Indian School 0.4 05 West Phoenix 0.4 05

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 86 66 Central Phoenix 64 55 Durango 74 60 Greenwood 63 55 Higley 120 83 Maricopa (Pinal County) 203 125 Phoenix Supersite 54 50 Stanfield (Pinal County) 240 143 West Forty Third 102 74 West Phoenix 64 55

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 8.8 29 Dysart 8.7 28 Estrella Mountain Park 8.7 28 Phoenix Supersite 13.3 43 Vehicle Emissions Lab 9.4 31 West Phoenix 8.4 27

POLLUTION MONITOR READINGS FOR SUNDAY, JULY 16, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 71 66 Blue Point 51 40 Buckeye 53 41 Casa Grande (Pinal County) 59 46 Cave Creek 67 56 Central Phoenix 64 50 Dysart 55 43 Falcon Field 68 59 Fountain Hills 73 72 Glendale 59 46 Humboldt Mountain 65 51 Maricopa (Pinal County) 61 48 North Phoenix 68 59 Phoenix Supersite 60 47 Pinal Air Park (Pinal County) 60 47 Pinnacle Peak 67 56 Queen Creek (Pinal County) 54 42 Queen Valley (Pinal County) 65 51 Rio Verde 71 66 South Phoenix 43 34 South Scottsdale 66 54 Tempe 63 49 Tonto Nat’l Mon. (Gila County) 58 45 West Chandler 69 61 West Phoenix 63 49 Yuma (Yuma County) 49 38

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.4 05 Greenwood 0.3 03 Phoenix Supersite 0.4 05 West Indian School 0.3 03 West Phoenix 0.2 02

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 85 66 Central Phoenix 84 65 Durango 77 62 Greenwood 73 60 Higley 104 75 Maricopa (Pinal County) 118 82 Phoenix Supersite 73 70 Stanfield (Pinal County) 162 104 West Forty Third 77 62 West Phoenix 77 62

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 11.2 36 Dysart 9.6 31 Estrella Mountain Park 10.8 35 Phoenix Supersite 17.0 54 Vehicle Emissions Lab 11.8 38 West Phoenix 11.8 38

POLLUTION MONITOR READINGS FOR MONDAY, JULY 17, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 87 106 Blue Point 62 48 Buckeye 61 48 Casa Grande (Pinal County) 66 54 Cave Creek 73 72 Central Phoenix 81 92 Dysart 60 47 Falcon Field 85 101 Fountain Hills 89 111 Glendale 70 64 Humboldt Mountain 70 64 Maricopa (Pinal County) 59 46 North Phoenix 85 101 Phoenix Supersite 75 77 Pinal Air Park (Pinal County) 60 47 Pinnacle Peak 77 82 Queen Creek (Pinal County) 64 50 Queen Valley (Pinal County) 73 72 Rio Verde 81 92 South Phoenix 55 43 South Scottsdale 83 104 Tempe 81 92 Tonto Nat’l Mon. (Gila County) 81 92 West Chandler 77 82 West Phoenix 77 82 Yuma (Yuma County) 58 45

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.3 03 Greenwood 0.5 06 Phoenix Supersite 0.4 05 West Indian School 0.5 06 West Phoenix 0.2 02

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 68 57 Central Phoenix 43 40 Durango 56 51 Greenwood 51 47 Higley 46 43 Maricopa (Pinal County) 48 44 Phoenix Supersite 41 38 Stanfield (Pinal County) 46 43 West Forty Third 64 55 West Phoenix 46 43

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 8.9 29 Dysart 8.1 26 Estrella Mountain Park 7.2 23 Phoenix Supersite 12.2 40 Vehicle Emissions Lab 7.4 24 West Phoenix 7.6 25

POLLUTION MONITOR READINGS FOR TUESDAY, JULY 18, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) N/A N/A N/A Blue Point 57 45 Buckeye 58 45 Casa Grande (Pinal County) 61 48 Cave Creek 76 79 Central Phoenix 79 87 Dysart 61 48 Falcon Field 76 79 Fountain Hills 79 87 Glendale N/A N/A N/A Humboldt Mountain 67 56 Maricopa (Pinal County) 58 45 North Phoenix 84 100 Phoenix Supersite 72 69 Pinal Air Park (Pinal County) 59 46 Pinnacle Peak 75 77 Queen Creek (Pinal County) 66 54 Queen Valley (Pinal County) 65 51 Rio Verde 77 82 South Phoenix 53 41 South Scottsdale 80 90 Tempe 59 46 Tonto Nat’l Mon. (Gila County) 59 46 West Chandler 74 74 West Phoenix 74 74 Yuma (Yuma County) 52 41

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.4 05 Greenwood 0.2 02 Phoenix Supersite 0.4 05 West Indian School 0.2 02 West Phoenix 0.2 02

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 59 53 Central Phoenix 74 60 Durango 90 68 Greenwood 74 60 Higley 102 74 Maricopa (Pinal County) 185 116 Phoenix Supersite 65 56 Stanfield (Pinal County) 180 113 West Forty Third 96 71 West Phoenix 69 58

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 13.2 43 Dysart 12.2 40 Estrella Mountain Park 8.7 28 Phoenix Supersite 16.3 53 Vehicle Emissions Lab 12.6 41 West Phoenix 12.2 40

POLLUTION MONITOR READINGS FOR WEDNESDAY, JULY 19, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 67 56 Blue Point 48 38 Buckeye 65 51 Casa Grande (Pinal County) 61 48 Cave Creek 64 50 Central Phoenix 78 85 Dysart 76 79 Falcon Field 58 45 Fountain Hills 67 56 Glendale N/A N/A N/A Humboldt Mountain 63 49 Maricopa (Pinal County) 56 44 North Phoenix 81 92 Phoenix Supersite 83 97 Pinal Air Park (Pinal County) 63 49 Pinnacle Peak 63 49 Queen Creek (Pinal County) 54 45 Queen Valley (Pinal County) 61 48 Rio Verde 64 50 South Phoenix 60 47 South Scottsdale 71 66 Tempe 72 69 Tonto Nat’l Mon. (Gila County) 58 45 West Chandler 73 72 West Phoenix 96 129 Yuma (Yuma County) N/A N/A N/A

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.3 03 Greenwood 0.5 06 Phoenix Supersite 0.3 03 West Indian School 0.5 06 West Phoenix 0.1 01

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 44 41 Central Phoenix 29 27 Durango 41 38 Greenwood 47 44 Higley 46 43 Maricopa (Pinal County) 72 59 Phoenix Supersite 25 23 Stanfield (Pinal County) 62 54 West Forty Third 50 46 West Phoenix 31 29

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 5.2 17 Dysart 5.8 19 Estrella Mountain Park 5.7 19 Phoenix Supersite 9.0 29 Vehicle Emissions Lab 4.9 16 West Phoenix 5.6 18

POLLUTION MONITOR READINGS FOR THURSDAY, JULY 20, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 70 64 Blue Point 52 41 Buckeye 57 45 Casa Grande (Pinal County) 69 61 Cave Creek 63 49 Central Phoenix 65 51 Dysart 47 37 Falcon Field 63 49 Fountain Hills 68 59 Glendale N/A N/A N/A Humboldt Mountain 63 49 Maricopa (Pinal County) 62 48 North Phoenix 68 59 Phoenix Supersite 64 50 Pinal Air Park (Pinal County) 60 47 Pinnacle Peak 63 49 Queen Creek (Pinal County) 64 50 Queen Valley (Pinal County) 67 56 Rio Verde 66 54 South Phoenix 49 38 South Scottsdale 66 54 Tempe 68 59 Tonto Nat’l Mon. (Gila County) 63 49 West Chandler 74 74 West Phoenix 70 64 Yuma (Yuma County) N/A N/A N/A

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.3 03 Greenwood 0.5 06 Phoenix Supersite 0.3 03 West Indian School 0.5 06 West Phoenix 0.2 02

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 54 50 Central Phoenix 25 23 Durango 43 40 Greenwood 31 29 Higley 57 52 Maricopa (Pinal County) 59 53 Phoenix Supersite 24 22 Stanfield (Pinal County) 52 48 West Forty Third 48 44 West Phoenix 29 27

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 4.6 15 Dysart 5.5 18 Estrella Mountain Park 5.9 19 Phoenix Supersite 8.8 29 Vehicle Emissions Lab 4.0 13 West Phoenix 5.2 17

POLLUTION MONITOR READINGS FOR FRIDAY, JULY 21, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 76 79 Blue Point 51 40 Buckeye 65 51 Casa Grande (Pinal County) 68 59 Cave Creek 70 64 Central Phoenix 76 79 Dysart 67 56 Falcon Field 68 59 Fountain Hills 70 64 Glendale N/A N/A N/A Humboldt Mountain 59 46 Maricopa (Pinal County) 65 51 North Phoenix 81 92 Phoenix Supersite 74 74 Pinal Air Park (Pinal County) 70 64 Pinnacle Peak 64 50 Queen Creek (Pinal County) 65 51 Queen Valley (Pinal County) 69 61 Rio Verde 64 50 South Phoenix 57 45 South Scottsdale 71 66 Tempe 76 79 Tonto Nat’l Mon. (Gila County) 64 50 West Chandler 77 82 West Phoenix 82 95 Yuma (Yuma County) N/A N/A N/A

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.7 08 Greenwood N/A N/A N/A Phoenix Supersite 0.7 08 West Indian School 0.9 10 West Phoenix 0.6 07

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 95 71 Central Phoenix 69 58 Durango 95 71 Greenwood 63 55 Higley 79 63 Maricopa (Pinal County) 94 76 Phoenix Supersite 40 37 Stanfield (Pinal County) 89 68 West Forty Third 128 87 West Phoenix 61 54

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 15.8 52 Dysart 9.8 32 Estrella Mountain Park 9.1 30 Phoenix Supersite 12.6 41 Vehicle Emissions Lab 9.7 31 West Phoenix 10.5 34

POLLUTION MONITOR READINGS FOR SATURDAY, JULY 22, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 68 59 Blue Point 48 38 Buckeye 66 54 Casa Grande (Pinal County) 62 48 Cave Creek 71 66 Central Phoenix 72 69 Dysart 67 56 Falcon Field 62 48 Fountain Hills 68 59 Glendale N/A N/A N/A Humboldt Mountain 68 59 Maricopa (Pinal County) 63 49 North Phoenix 72 69 Phoenix Supersite 69 61 Pinal Air Park (Pinal County) 55 43 Pinnacle Peak 68 59 Queen Creek (Pinal County) 61 48 Queen Valley (Pinal County) 66 54 Rio Verde 71 66 South Phoenix 55 43 South Scottsdale 68 59 Tempe 67 56 Tonto Nat’l Mon. (Gila County) 67 56 West Chandler 70 64 West Phoenix 76 79 Yuma (Yuma County) N/A N/A N/A

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.5 06 Greenwood N/A N/A N/A Phoenix Supersite 0.4 05 West Indian School 0.8 09 West Phoenix 0.4 05

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 60 53 Central Phoenix 63 55 Durango 35 32 Greenwood N/A N/A N/A Higley 37 34 Maricopa (Pinal County) 72 59 Phoenix Supersite 30 28 Stanfield (Pinal County) 106 76 West Forty Third 48 45 West Phoenix 51 47

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 10.6 34 Dysart 11.5 37 Estrella Mountain Park 10.5 34 Phoenix Supersite 17.1 54 Vehicle Emissions Lab 9.3 30 West Phoenix 15.0 49

POLLUTION MONITOR READINGS FOR SUNDAY, JULY 23, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 64 50 Blue Point 43 34 Buckeye 62 48 Casa Grande (Pinal County) 58 45 Cave Creek 67 56 Central Phoenix 71 66 Dysart 67 56 Falcon Field 58 45 Fountain Hills 67 56 Glendale N/A N/A N/A Humboldt Mountain 63 49 Maricopa (Pinal County) N/A N/A N/A North Phoenix 73 72 Phoenix Supersite 68 59 Pinal Air Park (Pinal County) 59 46 Pinnacle Peak 65 51 Queen Creek (Pinal County) 55 43 Queen Valley (Pinal County) 61 48 Rio Verde 65 51 South Phoenix 50 39 South Scottsdale 68 59 Tempe 63 49 Tonto Nat’l Mon. (Gila County) 61 48 West Chandler 65 51 West Phoenix 74 74 Yuma (Yuma County) N/A N/A N/A

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.5 06 Greenwood N/A N/A N/A Phoenix Supersite 0.4 05 West Indian School 0.8 09 West Phoenix 0.4 05

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 54 50 Central Phoenix 38 35 Durango 41 38 Greenwood N/A N/A N/A Higley 72 59 Maricopa (Pinal County) 74 60 Phoenix Supersite 34 31 Stanfield (Pinal County) 83 65 West Forty Third 58 52 West Phoenix 40 37

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 10.3 33 Dysart 11.8 38 Estrella Mountain Park N/A N/A N/A Phoenix Supersite 14.4 48 Vehicle Emissions Lab 10.5 34 West Phoenix 12.3 40

POLLUTION MONITOR READINGS FOR MONDAY, JULY 24, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 81 92 Blue Point 61 48 Buckeye 63 49 Casa Grande (Pinal County) 64 50 Cave Creek 88 109 Central Phoenix 76 79 Dysart 72 69 Falcon Field 73 72 Fountain Hills 83 97 Glendale N/A N/A N/A Humboldt Mountain 78 85 Maricopa (Pinal County) 59 46 North Phoenix 83 97 Phoenix Supersite 74 74 Pinal Air Park (Pinal County) 64 50 Pinnacle Peak 82 95 Queen Creek (Pinal County) 62 48 Queen Valley (Pinal County) 74 74 Rio Verde 83 97 South Phoenix 56 44 South Scottsdale N/A N/A N/A Tempe 76 79 Tonto Nat’l Mon. (Gila County) 68 59 West Chandler 75 77 West Phoenix 78 85 Yuma (Yuma County) N/A N/A N/A

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.4 05 Greenwood N/A N/A N/A Phoenix Supersite 0.4 05 West Indian School 0.6 07 West Phoenix 0.4 05

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 46 32 Central Phoenix 32 30 Durango 48 44 Greenwood 58 52 Higley 50 46 Maricopa (Pinal County) 96 71 Phoenix Supersite 31 29 Stanfield (Pinal County) 98 72 West Forty Third 61 54 West Phoenix 33 31

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 10.3 33 Dysart 11.9 39 Estrella Mountain Park N/A N/A N/A Phoenix Supersite 13.5 44 Vehicle Emissions Lab 9.4 31 West Phoenix 11.2 36

POLLUTION MONITOR READINGS FOR TUESDAY, JULY 25, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 75 77 Blue Point 47 37 Buckeye N/A N/A N/A Casa Grande (Pinal County) 56 44 Cave Creek 64 50 Central Phoenix 51 40 Dysart 47 37 Falcon Field 56 44 Fountain Hills 65 51 Glendale N/A N/A N/A Humboldt Mountain 64 50 Maricopa (Pinal County) 48 38 North Phoenix 53 41 Phoenix Supersite 47 37 Pinal Air Park (Pinal County) 49 38 Pinnacle Peak 59 46 Queen Creek (Pinal County) N/A N/A N/A Queen Valley (Pinal County) 75 77 Rio Verde 70 64 South Phoenix N/A N/A N/A South Scottsdale N/A N/A N/A Tempe 52 41 Tonto Nat’l Mon. (Gila County) 74 74 West Chandler 59 46 West Phoenix 52 41 Yuma (Yuma County) 35 27

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.5 06 Greenwood 0.2 0.2 Phoenix Supersite 0.5 06 West Indian School 0.5 06 West Phoenix 0.3 03

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 46 43 Central Phoenix 48 44 Durango 61 54 Greenwood 50 46 Higley 83 65 Maricopa (Pinal County) 127 87 Phoenix Supersite 46 43 Stanfield (Pinal County) 342 194 West Forty Third 91 69 West Phoenix 52 48

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 11.1 36 Dysart 8.8 29 Estrella Mountain Park 9.5 31 Phoenix Supersite 16.4 53 Vehicle Emissions Lab N/A N/A N/A West Phoenix 10.6 34

POLLUTION MONITOR READINGS FOR WEDNESDAY, JULY 26, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 73 72 Blue Point 51 40 Buckeye 42 33 Casa Grande (Pinal County) 62 48 Cave Creek 56 44 Central Phoenix 59 46 Dysart 44 34 Falcon Field 61 48 Fountain Hills 70 64 Glendale N/A N/A N/A Humboldt Mountain 57 45 Maricopa (Pinal County) 48 38 North Phoenix 59 46 Phoenix Supersite 49 38 Pinal Air Park (Pinal County) 70 64 Pinnacle Peak 57 45 Queen Creek (Pinal County) 64 50 Queen Valley (Pinal County) 75 77 Rio Verde 69 61 South Phoenix 41 32 South Scottsdale N/A N/A N/A Tempe 61 48 Tonto Nat’l Mon. (Gila County) 78 85 West Chandler 65 51 West Phoenix 53 41 Yuma (Yuma County) 28 22

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.4 05 Greenwood 0.2 02 Phoenix Supersite 0.4 05 West Indian School 0.3 03 West Phoenix 0.2 02

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 17 16 Central Phoenix 26 24 Durango 26 24 Greenwood 22 20 Higley 20 19 Maricopa (Pinal County) 25 23 Phoenix Supersite 20 19 Stanfield (Pinal County) 40 37 West Forty Third 30 28 West Phoenix 20 19

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 8.7 28 Dysart 7.4 24 Estrella Mountain Park 8.3 27 Phoenix Supersite 9.4 31 Vehicle Emissions Lab N/A N/A N/A West Phoenix 7.8 25

POLLUTION MONITOR READINGS FOR THURSDAY, JULY 27, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 53 41 Blue Point N/A N/A N/A Buckeye 30 23 Casa Grande (Pinal County) 49 38 Cave Creek 52 41 Central Phoenix 50 39 Dysart 37 29 Falcon Field 51 40 Fountain Hills 58 45 Glendale N/A N/A N/A Humboldt Mountain 47 37 Maricopa (Pinal County) 43 34 North Phoenix 50 39 Phoenix Supersite 43 34 Pinal Air Park (Pinal County) 44 34 Pinnacle Peak 53 41 Queen Creek (Pinal County) 46 36 Queen Valley (Pinal County) 50 39 Rio Verde 55 43 South Phoenix 34 27 South Scottsdale 46 36 Tempe 52 41 Tonto Nat’l Mon. (Gila County) 60 47 West Chandler 54 42 West Phoenix 47 37 Yuma (Yuma County) 22 17

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.3 03 Greenwood 0.3 03 Phoenix Supersite 0.4 05 West Indian School 0.3 03 West Phoenix 0.1 01

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 25 23 Central Phoenix 21 19 Durango 26 24 Greenwood 25 23 Higley 24 22 Maricopa (Pinal County) 24 22 Phoenix Supersite 20 19 Stanfield (Pinal County) 19 18 West Forty Third 32 30 West Phoenix 24 22

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 5.9 19 Dysart 4.5 15 Estrella Mountain Park 5.9 19 Phoenix Supersite 5.9 19 Vehicle Emissions Lab 4.1 13 West Phoenix 5.0 16

POLLUTION MONITOR READINGS FOR FRIDAY, JULY 28, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 50 39 Blue Point 38 30 Buckeye 30 23 Casa Grande (Pinal County) 37 29 Cave Creek 49 38 Central Phoenix 44 34 Dysart N/A N/A N/A Falcon Field 45 35 Fountain Hills 53 41 Glendale N/A N/A N/A Humboldt Mountain 55 43 Maricopa (Pinal County) 31 24 North Phoenix 45 35 Phoenix Supersite 38 30 Pinal Air Park (Pinal County) 44 34 Pinnacle Peak 53 41 Queen Creek (Pinal County) 42 33 Queen Valley (Pinal County) 48 38 Rio Verde 54 42 South Phoenix 30 23 South Scottsdale 42 33 Tempe 45 35 Tonto Nat’l Mon. (Gila County) 45 35 West Chandler 46 36 West Phoenix 43 34 Yuma (Yuma County) 22 17

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.3 03 Greenwood 0.4 05 Phoenix Supersite 0.4 05 West Indian School 0.3 03 West Phoenix 0.0 00

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 16 15 Central Phoenix 21 19 Durango 20 19 Greenwood 26 24 Higley 21 19 Maricopa (Pinal County) 45 42 Phoenix Supersite 18 17 Stanfield (Pinal County) 19 18 West Forty Third 27 25 West Phoenix 20 19

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 5.3 17 Dysart 3.3 11 Estrella Mountain Park 5.5 18 Phoenix Supersite 8.3 27 Vehicle Emissions Lab 3.9 13 West Phoenix 4.7 17

POLLUTION MONITOR READINGS FOR SATURDAY, JULY 29, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 45 35 Blue Point 34 27 Buckeye 29 23 Casa Grande (Pinal County) 36 28 Cave Creek 43 34 Central Phoenix 38 30 Dysart N/A N/A N/A Falcon Field 38 30 Fountain Hills 47 37 Glendale N/A N/A N/A Humboldt Mountain 48 38 Maricopa (Pinal County) 28 22 North Phoenix 39 30 Phoenix Supersite 33 26 Pinal Air Park (Pinal County) 36 28 Pinnacle Peak 43 34 Queen Creek (Pinal County) 35 27 Queen Valley (Pinal County) 39 30 Rio Verde 49 38 South Phoenix 24 19 South Scottsdale 37 29 Tempe 38 30 Tonto Nat’l Mon. (Gila County) 50 39 West Chandler 40 31 West Phoenix 36 28 Yuma (Yuma County) 20 16

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.3 03 Greenwood 0.3 03 Phoenix Supersite 0.4 05 West Indian School 0.3 03 West Phoenix 0.1 01

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 16 15 Central Phoenix 20 19 Durango 18 17 Greenwood 19 18 Higley 24 22 Maricopa (Pinal County) 23 21 Phoenix Supersite 17 16 Stanfield (Pinal County) 20 19 West Forty Third 21 19 West Phoenix 21 19

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 4.8 16 Dysart 3.4 11 Estrella Mountain Park 5.2 17 Phoenix Supersite 9.3 30 Vehicle Emissions Lab 4.8 16 West Phoenix 4.9 16

POLLUTION MONITOR READINGS FOR SUNDAY, JULY 30, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 43 34 Blue Point 31 24 Buckeye 30 23 Casa Grande (Pinal County) 33 26 Cave Creek 39 30 Central Phoenix 37 29 Dysart 30 23 Falcon Field 40 31 Fountain Hills 45 35 Glendale N/A N/A N/A Humboldt Mountain 45 35 Maricopa (Pinal County) 30 23 North Phoenix 38 30 Phoenix Supersite 32 25 Pinal Air Park (Pinal County) 24 19 Pinnacle Peak 42 33 Queen Creek (Pinal County) 34 27 Queen Valley (Pinal County) 37 29 Rio Verde 43 34 South Phoenix 25 20 South Scottsdale 37 29 Tempe 42 33 Tonto Nat’l Mon. (Gila County) 42 33 West Chandler 41 32 West Phoenix 35 27 Yuma (Yuma County) 28 22

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.2 02 Greenwood 0.2 02 Phoenix Supersite 0.4 05 West Indian School 0.2 02 West Phoenix 0.1 01

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 16 15 Central Phoenix 14 13 Durango 19 18 Greenwood 16 15 Higley 15 14 Maricopa (Pinal County) 32 30 Phoenix Supersite 15 14 Stanfield (Pinal County) 26 24 West Forty Third 17 16 West Phoenix 16 15

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 3.9 13 Dysart 4.0 13 Estrella Mountain Park 5.6 18 Phoenix Supersite 8.7 28 Vehicle Emissions Lab N/A N/A N/A West Phoenix 4.8 16

POLLUTION MONITOR READINGS FOR MONDAY, JULY 31, 2006 O3 (OZONE)

SITE NAME MAX 8-HR VALUE (PPB) MAX AQI AQI COLOR CODE Apache Junction (Pinal County) 40 31 Blue Point 35 27 Buckeye 25 20 Casa Grande (Pinal County) 30 23 Cave Creek 45 35 Central Phoenix 40 31 Dysart 29 23 Falcon Field 37 29 Fountain Hills 50 39 Glendale 32 25 Humboldt Mountain 52 41 Maricopa (Pinal County) 25 20 North Phoenix 43 34 Phoenix Supersite 34 27 Pinal Air Park (Pinal County) 30 23 Pinnacle Peak 53 41 Queen Creek (Pinal County) N/A N/A N/A Queen Valley (Pinal County) 37 29 Rio Verde 51 40 South Phoenix 25 20 South Scottsdale 46 36 Tempe 45 35 Tonto Nat’l Mon. (Gila County) 40 31 West Chandler 38 30 West Phoenix 36 28 Yuma (Yuma County) 37 29

CO (CARBON MONOXIDE) SITE NAME MAX 8-HR VALUE (PPM) MAX AQI AQI COLOR CODE Central Phoenix 0.3 03 Greenwood 0.2 02 Phoenix Supersite 0.4 05 West Indian School 0.1 01 West Phoenix 0.1 01

PM-10 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Buckeye 16 15 Central Phoenix 22 20 Durango 24 22 Greenwood 19 18 Higley 35 32 Maricopa (Pinal County) 39 36 Phoenix Supersite 18 17 Stanfield (Pinal County) 26 24 West Forty Third 32 30 West Phoenix 19 18

PM-2.5 (PARTICLES) SITE NAME MAX 24-HR VALUE (ug/m3) MAX AQI AQI COLOR CODE Durango 4.5 15 Dysart 3.5 11 Estrella Mountain Park 4.6 15 Phoenix Supersite 9.6 31 Vehicle Emissions Lab N/A N/A N/A West Phoenix 4.6 15