Air Quality Data
AQI Scale
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Monitor Readings for Wednesday, August 15, 2018
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 62 74
Buckeye 59 64 44 41 0.3 3
Cave Creek 68 93
Central Phoenix 56 54 104 75 0.2 2
Diablo 10.7 45 0.63 7
Durango 70 58 7.4 31
Dysart 66 87 57 52
Falcon Field 64 80
Fountain Hills 59 64
Glendale 65 84 65 56 8.2 34
Higley 59 53
Humboldt Mountain 72 105
Mesa 69 97 96 71 11 46 0.38 4
North Phoenix 71 101 74 60 8.8 37
Phoenix Supersite 64 80 90 68 11 46 0.32 4
Pinnacle Peak 66 87
South Phoenix 61 71 73 60 7.1 30 0.11 1
South Scottsdale 52 48 130 88
Tempe 59 64 89 68 8.4 35
West 43rd 98 72
West Chandler 60 67 83 65 0.2 2
West Phoenix 60 67 61 54 8.6 36 0.21 2
Zuni Hills 50 46
Pima County Monitors
22nd & Craycroft 54 50
Ajo 6 6
Children's Park Site 58 61 3.2 13
Coachline 61 71 2.7 11
Fairgrounds 49 45
Green Valley 53 49 8 7 3.1 13
Geronimo 12 11 4.5 19
Orange Grove 11 10 2.2 9
Rillito 19 18
Rose Elementary 54 50 5.5 23
Saguaro Monument 49 45
South Tucson 14 13
Tangerine 60 67
Pinal County Monitors
Apache Junction 60 67 35 32
Casa Grande Airport 60 67
Casa Grande Downtown 74 60 9.5 40
Combs 51 47
Eloy 22 20
Hidden Valley 61 54
Maricopa 46 43
Pinal Air Park 59 64 14 13
Pinal County Housing 34 31
Queen Valley 65 84
Stanfield 131 89
Cochise County Monitors
Chiricahua NM 50 46
Douglas 19 18 6 25
Paul Spur 7 6
Coconino County Monitors
Flagstaff 51 47
Grand Canyon 55 51
Gila County Monitors
Hayden 15 14
Miami 18 17
Payson 16 15
Tonto Nat'l Monument 66 87
La Paz County Monitors
Alamo Lake 52 48 11 10 4.7 20
Mohave County Monitors
Bullhead City 42 39
Navajo County Monitors
Petrified Forest 57 58
Santa Cruz County Monitors
Nogales 17 16 5.9 25
Yavapai County Monitors
Prescott 57 58
Yuma County Monitors
Yuma 39 36 29 27 7.8 33
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Tuesday, August 14, 2018
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 60 67
Buckeye 43 40 52 48 0.3 3
Cave Creek 48 44
Central Phoenix 47 44 56 51 0.2 2
Diablo 12.2 51 0.51 6
Durango 29 27 7.5 31
Dysart 50 46 30 28
Falcon Field 60 67
Fountain Hills 55 51
Glendale 46 43 18 17 4.5 19
Higley 27 25
Humboldt Mountain 57 58
Mesa 60 67 36 33 6.8 28 0.38 4
North Phoenix 52 48 15 14 5.2 22
Phoenix Supersite 49 45 21 19 5.3 22 0.25 3
Pinnacle Peak 52 48
South Phoenix 49 45 40 37 6.3 26 0.15 2
South Scottsdale 47 44 87 67
Tempe 49 45 98 72 11.4 48
West 43rd 62 54
West Chandler 54 50 34 31 0.2 2
West Phoenix 47 44 19 18 6.3 26 0.2 2
Zuni Hills 32 30
Pima County Monitors
22nd & Craycroft 48 44
Ajo 12 11
Children's Park Site 48 44 4.5 19
Coachline 43 40 5.3 22
Fairgrounds 50 46
Green Valley 48 44 18 17 5.8 24
Geronimo 25 23 6.5 27
Orange Grove 25 23 2.9 12
Rillito 38 35
Rose Elementary 45 42 7.1 30
Saguaro Monument 53 49
South Tucson 27 25
Tangerine 50 46
Pinal County Monitors
Apache Junction 59 64 21 19
Casa Grande Airport 50 46
Casa Grande Downtown 42 39 8.1 34
Combs 65 56
Eloy 46 43
Hidden Valley 97 72
Maricopa 82 64
Pinal Air Park 46 43 27 25
Pinal County Housing 26 24
Queen Valley 66 87
Stanfield 115 81
Cochise County Monitors
Chiricahua NM 55 51
Douglas - - 6.7 28
Paul Spur 19 18
Coconino County Monitors
Flagstaff 46 43
Grand Canyon 57 58
Gila County Monitors
Hayden 33 31
Miami 22 20
Payson 15 14
Tonto Nat'l Monument 57 58
La Paz County Monitors
Alamo Lake 52 48 29 27 6.8 28
Mohave County Monitors
Bullhead City 33 31
Navajo County Monitors
Petrified Forest 59 64
Santa Cruz County Monitors
Nogales 27 25 7.6 32
Yavapai County Monitors
Prescott 51 47
Yuma County Monitors
Yuma 35 32 19 18 6.1 25
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Monday, August 13, 2018
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 70 100
Buckeye 55 51 40 37 0.3 3
Cave Creek 57 58
Central Phoenix 57 58 42 39 0.22 3
Diablo 6.9 29 0.48 5
Durango 28 26 7.2 30
Dysart 59 64 45 42
Falcon Field 67 90
Fountain Hills 67 90
Glendale 54 50 30 28 7.9 33
Higley 32 30
Humboldt Mountain 60 67
Mesa 67 90 19 18 6.8 28 0.36 4
North Phoenix 62 74 27 25 8 33
Phoenix Supersite 59 64 36 33 8.6 36 0.31 4
Pinnacle Peak 62 74
South Phoenix 60 67 26 24 6.4 27 0.15 2
South Scottsdale 52 48 31 29
Tempe 57 58 19 18 6.3 26
West 43rd 47 44
West Chandler 62 74 26 24 0.22 3
West Phoenix 57 58 30 28 8.4 35 0.31 4
Zuni Hills 42 39
Pima County Monitors
22nd & Craycroft 59 64
Ajo 16 15
Children's Park Site 59 64 5.1 21
Coachline 56 54 5.6 23
Fairgrounds 59 64
Green Valley 58 61 17 16 4.8 20
Geronimo 28 26 6.6 28
Orange Grove 28 26 3.4 14
Rillito 56 51
Rose Elementary 56 54 7.7 32
Saguaro Monument 64 80
South Tucson 32 30
Tangerine 58 61
Pinal County Monitors
Apache Junction 66 87 34 31
Casa Grande Airport 62 74
Casa Grande Downtown 33 31 9.2 38
Combs 30 28
Eloy 48 44
Hidden Valley 42 39
Maricopa 29 27
Pinal Air Park 59 64 36 33
Pinal County Housing 44 41
Queen Valley 75 115
Stanfield 57 52
Cochise County Monitors
Chiricahua NM 58 61
Douglas - - 7.7 32
Paul Spur 12 11
Coconino County Monitors
Flagstaff 54 50
Grand Canyon 60 67
Gila County Monitors
Hayden 31 29
Miami 30 28
Payson 11 10
Tonto Nat'l Monument 73 108
La Paz County Monitors
Alamo Lake 56 54 26 24 9.2 38
Mohave County Monitors
Bullhead City 55 51
Navajo County Monitors
Petrified Forest 61 71
Santa Cruz County Monitors
Nogales 25 23 6.1 25
Yavapai County Monitors
Prescott 57 58
Yuma County Monitors
Yuma 35 32 59 53 9 38
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Sunday, August 12, 2018
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 63 77
Buckeye 54 50 79 63 0.27 3
Cave Creek 55 51
Central Phoenix 58 61 71 59 0.16 2
Diablo 9.7 40 0.4 5
Durango 52 48 7.4 31
Dysart 58 61 40 37
Falcon Field 67 90
Fountain Hills 62 74
Glendale 54 50 24 22 5.2 22
Higley 40 37
Humboldt Mountain 58 61
Mesa 71 101 21 19 6.5 27 0.23 3
North Phoenix 65 84 24 22 6 25
Phoenix Supersite 66 87 56 51 7.7 32 0.24 3
Pinnacle Peak 57 58
South Phoenix 62 74 86 66 7.4 31 0.12 1
South Scottsdale 62 74 95 71
Tempe 62 74 40 37 5.2 22
West 43rd 168 107
West Chandler 61 71 50 46 0.17 2
West Phoenix 61 71 40 37 6.9 29 0.23 3
Zuni Hills 34 31
Pima County Monitors
22nd & Craycroft 64 80
Ajo 30 28
Children's Park Site 64 80 2.5 10
Coachline 62 74 2.5 10
Fairgrounds 66 87
Green Valley 64 80 9 8 1.1 5
Geronimo 7 6 3.7 15
Orange Grove 8 7 1.6 7
Rillito 31 29
Rose Elementary 62 74 4.6 19
Saguaro Monument 66 87
South Tucson 9 8
Tangerine 61 71
Pinal County Monitors
Apache Junction 60 67 14 13
Casa Grande Airport 57 58
Casa Grande Downtown 76 61 11.4 48
Combs 41 38
Eloy 64 55
Hidden Valley 320 183
Maricopa 351 199
Pinal Air Park 61 71 25 23
Pinal County Housing - -
Queen Valley 62 74
Stanfield 566 462
Cochise County Monitors
Chiricahua NM 58 61
Douglas - - 5.5 23
Paul Spur 7 6
Coconino County Monitors
Flagstaff 53 49
Grand Canyon 60 67
Gila County Monitors
Hayden 15 14
Miami 12 11
Payson 11 10
Tonto Nat'l Monument 60 67
La Paz County Monitors
Alamo Lake 60 67 - - - -
Mohave County Monitors
Bullhead City 14 13
Navajo County Monitors
Petrified Forest 60 67
Santa Cruz County Monitors
Nogales 15 14 4.6 19
Yavapai County Monitors
Prescott 56 54
Yuma County Monitors
Yuma 47 44 23 21 6 25
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Saturday, August 11, 2018
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 64 80
Buckeye 70 100 17 16 0.3 3
Cave Creek 71 101
Central Phoenix 75 115 18 17 0.3 3
Diablo 7.4 31 0.47 5
Durango 10 9 5.3 22
Dysart 77 122 16 15
Falcon Field 72 105
Fountain Hills 64 80
Glendale 67 90 10 9 6.1 25
Higley 16 15
Humboldt Mountain 75 115
Mesa 81 136 10 9 6.9 29 0.22 3
North Phoenix 69 97 6 6 4.9 20
Phoenix Supersite 75 115 13 12 5.3 22 0.38 4
Pinnacle Peak 61 71
South Phoenix 78 126 13 12 7.2 30 0.17 2
South Scottsdale 70 100 14 13
Tempe 71 101 9 8 6.2 26
West 43rd 20 19
West Chandler 72 105 14 13 0.2 2
West Phoenix 77 122 12 11 6.1 25 0.28 3
Zuni Hills 15 14
Pima County Monitors
22nd & Craycroft 60 67
Ajo 29 27
Children's Park Site 62 74 3.9 16
Coachline 62 74 3.6 15
Fairgrounds 57 58
Green Valley 53 49 6 6 2.5 10
Geronimo 11 10 5.5 23
Orange Grove 11 10 3.3 14
Rillito 24 22
Rose Elementary 56 54 4.8 20
Saguaro Monument 60 67
South Tucson 12 11
Tangerine 59 64
Pinal County Monitors
Apache Junction 65 84 12 11
Casa Grande Airport 71 101
Casa Grande Downtown 26 24 7.3 30
Combs 14 13
Eloy 23 21
Hidden Valley 136 91
Maricopa 22 20
Pinal Air Park 61 71 17 16
Pinal County Housing - -
Queen Valley 68 93
Stanfield 58 52
Cochise County Monitors
Chiricahua NM 54 50
Douglas - - 4.4 18
Paul Spur 6 6
Coconino County Monitors
Flagstaff 58 61
Grand Canyon 57 58
Gila County Monitors
Hayden 12 11
Miami 7 6
Payson 7 6
Tonto Nat'l Monument 68 93
La Paz County Monitors
Alamo Lake 63 77 29 27 5.5 23
Mohave County Monitors
Bullhead City 71 59
Navajo County Monitors
Petrified Forest 57 58
Santa Cruz County Monitors
Nogales 20 19 6.5 27
Yavapai County Monitors
Prescott 59 64
Yuma County Monitors
Yuma 63 77 47 44 8.8 37
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Friday, August 10, 2018
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 70 100
Buckeye 64 80 44 41 0.3 3
Cave Creek 59 64
Central Phoenix 60 67 54 50 0.23 3
Diablo 10.3 43 0.66 8
Durango 23 21 7.7 32
Dysart 65 84 42 39
Falcon Field 72 105
Fountain Hills 71 101
Glendale 63 77 24 22 7.4 31
Higley 23 21
Humboldt Mountain 61 71
Mesa 76 119 20 19 11 46 0.36 4
North Phoenix 69 97 15 14 7.4 31
Phoenix Supersite 67 90 23 21 9.1 38 0.33 4
Pinnacle Peak 65 84
South Phoenix 66 87 26 24 7.8 33 0.15 2
South Scottsdale 59 64 71 59
Tempe 64 80 24 22 9.8 41
West 43rd 81 64
West Chandler 69 97 21 19 0.25 3
West Phoenix 65 84 24 22 9.7 40 0.3 3
Zuni Hills 31 29
Pima County Monitors
22nd & Craycroft 50 46
Ajo 26 24
Children's Park Site 51 47 3.1 13
Coachline 54 50 3.2 13
Fairgrounds 54 50
Green Valley 51 47 8 7 0.9 4
Geronimo 10 9 4.2 18
Orange Grove 12 11 3 13
Rillito 25 23
Rose Elementary 48 44 4.7 20
Saguaro Monument 56 54
South Tucson 11 10
Tangerine 53 49
Pinal County Monitors
Apache Junction 68 93 17 16
Casa Grande Airport 69 97
Casa Grande Downtown 68 57 14.6 56
Combs 22 20
Eloy 88 67
Hidden Valley 301 174
Maricopa - -213
Pinal Air Park 59 64 12 11
Pinal County Housing 217 132
Queen Valley 76 119
Stanfield 145 96
Cochise County Monitors
Chiricahua NM 44 41
Douglas - - 3.3 14
Paul Spur 3 3
Coconino County Monitors
Flagstaff 57 58
Grand Canyon 58 61
Gila County Monitors
Hayden 17 16
Miami 14 13
Payson 21 19
Tonto Nat'l Monument 74 112
La Paz County Monitors
Alamo Lake 52 48 63 55 10 42
Mohave County Monitors
Bullhead City 29 27
Navajo County Monitors
Petrified Forest 62 74
Santa Cruz County Monitors
Nogales 18 17 4.5 19
Yavapai County Monitors
Prescott 58 61
Yuma County Monitors
Yuma 40 37 28 26 6.6 28
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Thursday, August 9, 2018
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 69 97
Buckeye 46 43 90 68 0.3 3
Cave Creek 62 74
Central Phoenix 61 71 94 70 0.21 2
Diablo 12 50 0.5 6
Durango 55 51 8.7 36
Dysart 59 64 109 78
Falcon Field 75 115
Fountain Hills 69 97
Glendale 52 48 83 65 12.6 52
Higley 101 74
Humboldt Mountain 67 90
Mesa 75 115 68 57 12 50 0.27 3
North Phoenix 68 93 73 60 12.8 52
Phoenix Supersite 66 87 87 67 12.4 52 0.27 3
Pinnacle Peak 67 90
South Phoenix 61 71 58 52 7.8 33 0.12 1
South Scottsdale 63 77 94 70
Tempe 63 77 69 58 10.3 43
West 43rd 97 72
West Chandler 61 71 85 66 0.18 2
West Phoenix 61 71 66 56 11.2 47 0.26 3
Zuni Hills 122 84
Pima County Monitors
22nd & Craycroft 52 48
Ajo 18 17
Children's Park Site 56 54 2.7 11
Coachline 49 45 1.9 8
Fairgrounds 50 46
Green Valley 50 46 2 2 0.3 1
Geronimo 10 9 3 13
Orange Grove 11 10 2 8
Rillito 36 33
Rose Elementary 52 48 2.3 10
Saguaro Monument 52 48
South Tucson 9 8
Tangerine 53 49
Pinal County Monitors
Apache Junction 70 100 52 48
Casa Grande Airport 57 58
Casa Grande Downtown 253 150 39.6 111
Combs 109 78
Eloy 164 105
Hidden Valley 299 173
Maricopa 89 68
Pinal Air Park 52 48 31 29
Pinal County Housing 181 114
Queen Valley 70 100
Stanfield 355 201
Cochise County Monitors
Chiricahua NM 45 42
Douglas 10 9 4 17
Paul Spur 2 2
Coconino County Monitors
Flagstaff 55 51
Grand Canyon 54 50
Gila County Monitors
Hayden 17 16
Miami 16 15
Payson 29 27
Tonto Nat'l Monument 68 93
La Paz County Monitors
Alamo Lake 56 54 25 23 7.2 30
Mohave County Monitors
Bullhead City 67 57
Navajo County Monitors
Petrified Forest 59 64
Santa Cruz County Monitors
Nogales 16 15 4.5 19
Yavapai County Monitors
Prescott 58 61
Yuma County Monitors
Yuma 36 33 49 45 9.5 40
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


Main Office
1110 W.Washington Street
Phoenix, AZ 85007
P: 602.771.2300
azdeq.gov