Air Quality Data
AQI Scale
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Monitor Readings for Thursday, November 23, 2017
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 35 32
Buckeye 35 32 56 51 0.35 4
Cave Creek 39 36
Central Phoenix 34 31 47 44 1.33 15
Diablo 8.3 35 0.97 11
Durango 70 58 20 68
Dysart 40 37 27 25
Falcon Field 38 35
Fountain Hills 35 32
Glendale 36 33 35 32 11.9 50
Higley 48 44
Humboldt Mountain 39 36
Mesa 43 40 25 23 8.2 34 0.57 6
North Phoenix 37 34 28 26 9.9 41
Phoenix Supersite 33 31 45 42 15.9 59 1.4 16
Pinnacle Peak 41 38
South Phoenix 37 34 69 58 25 78 1.5 17
South Scottsdale 34 31 27 25
Tempe 30 28 26 24 9.3 39
West 43rd 65 56
West Chandler 38 35 47 44 1.05 12
West Phoenix 32 30 64 55 19.5 67 2.26 26
Zuni Hills 24 22
Pima County Monitors
22nd & Craycroft 41 38
Ajo 28 26
Children's Park Site 40 37 7.2 30
Coachline 39 36 7.6 32
Fairgrounds 40 37
Green Valley 41 38 22 20 7.1 30
Geronimo 52 48 10.7 45
Rillito 46 43
Rose Elementary 37 34 8.4 35
Saguaro Monument 43 40
Tangerine 43 40
Pinal County Monitors
Apache Junction 36 33 27 25
Casa Grande Airport 34 31
Casa Grande Downtown 60 53 11.7 49
Combs 46 43
Hidden Valley 78 62
Maricopa 58 52
Pinal Air Park 40 37 44 41
Pinal County Housing 77 62
Queen Valley 40 37
Stanfield 78 62
Cochise County Monitors
Chiricahua NM 39 36
Douglas 38 35 5.9 25
Paul Spur 26 24
Coconino County Monitors
Flagstaff 27 25
Grand Canyon 31 29
Gila County Monitors
Hayden 34 31
Miami 24 22
Payson 17 16
Tonto Nat'l Monument 33 31
La Paz County Monitors
Alamo Lake 34 31 10 9 4.3 18
Mohave County Monitors
Bullhead City 11 10
Navajo County Monitors
Petrified Forest 31 29
Santa Cruz County Monitors
Nogales 98 72 14.8 57
Yavapai County Monitors
Prescott 32 30
Yuma County Monitors
Yuma 34 31 22 20 5 21
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Wednesday, November 22, 2017
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 40 37
Buckeye 35 32 119 83 0.45 5
Cave Creek 39 36
Central Phoenix 36 33 72 59 1.36 15
Diablo 16.3 60 1.05 12
Durango 135 91 21.5 71
Dysart 37 34 63 55
Falcon Field 35 32
Fountain Hills 38 35
Glendale 33 31 37 34 8.7 36
Higley 86 66
Humboldt Mountain 42 39
Mesa 40 37 65 56 16.2 60 0.82 9
North Phoenix 36 33 43 40 10.5 44
Phoenix Supersite 35 32 71 59 14 55 1.41 16
Pinnacle Peak 42 39
South Phoenix 38 35 85 66 15.5 58 1.41 16
South Scottsdale 36 33 56 51
Tempe 30 28 49 45 11.1 46
West 43rd 126 86
West Chandler 34 31 107 77 0.85 10
West Phoenix 34 31 52 48 9 38 1.77 20
Zuni Hills 48 44
Pima County Monitors
22nd & Craycroft 41 38
Ajo 31 29
Children's Park Site 39 36 9.2 38
Coachline 40 37 8.5 35
Fairgrounds 42 39
Green Valley 40 37 31 29 9.6 40
Geronimo 68 57 11.1 46
Rillito 66 56
Rose Elementary 38 35 10.5 44
Saguaro Monument 44 41
Tangerine 42 39
Pinal County Monitors
Apache Junction 37 34 42 39
Casa Grande Airport 38 35
Casa Grande Downtown 100 73 20.6 69
Combs 91 69
Hidden Valley 111 79
Maricopa 104 75
Pinal Air Park 40 37 53 49
Pinal County Housing 90 68
Queen Valley 44 41
Stanfield 110 78
Cochise County Monitors
Chiricahua NM 41 38
Douglas 44 41 5 21
Paul Spur 39 36
Coconino County Monitors
Flagstaff 30 28
Grand Canyon 34 31
Gila County Monitors
Hayden 56 51
Miami 51 47
Payson 20 19
Tonto Nat'l Monument 42 39
La Paz County Monitors
Alamo Lake 37 34 11 10 4.5 19
Mohave County Monitors
Bullhead City 7 6
Navajo County Monitors
Petrified Forest 33 31
Santa Cruz County Monitors
Nogales 61 54 10.3 43
Yavapai County Monitors
Prescott 57 58
Yuma County Monitors
Yuma 32 30 31 29 4.1 17
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Tuesday, November 21, 2017
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 38 35
Buckeye 29 27 105 76 0.37 4
Cave Creek 38 35
Central Phoenix 22 20 76 61 1.2 14
Diablo 15.5 58 0.98 11
Durango 138 92 24.2 76
Dysart 30 28 43 40
Falcon Field 34 31
Fountain Hills 34 31
Glendale 24 22 40 37 10 42
Higley 76 61
Humboldt Mountain 42 39
Mesa 31 29 46 43 12.8 52 0.78 9
North Phoenix 28 26 33 31 8.6 36
Phoenix Supersite 27 25 63 55 16.2 60 1.29 15
Pinnacle Peak 39 36
South Phoenix 27 25 81 64 16.6 60 1.21 14
South Scottsdale 28 26 42 39
Tempe 20 19 51 47 11.7 49
West 43rd 125 86
West Chandler 28 26 95 71 0.87 10
West Phoenix 27 25 54 50 8.3 35 1.76 20
Zuni Hills 46 43
Pima County Monitors
22nd & Craycroft 34 31
Ajo 31 29
Children's Park Site 31 29 9.5 40
Coachline 31 29 12 50
Fairgrounds 42 39
Green Valley 42 39 27 25 10.1 42
Geronimo 72 59 13.5 54
Rillito 77 62
Rose Elementary 35 32 9.5 40
Saguaro Monument 44 41
Tangerine 39 36
Pinal County Monitors
Apache Junction 31 29 33 31
Casa Grande Airport 34 31
Casa Grande Downtown 90 68 26.4 81
Combs 77 62
Hidden Valley 116 81
Maricopa 77 62
Pinal Air Park 39 36 55 51
Pinal County Housing 111 79
Queen Valley 42 39
Stanfield 99 73
Cochise County Monitors
Chiricahua NM 44 41
Douglas 41 38 5 21
Paul Spur 34 31
Coconino County Monitors
Flagstaff 32 30
Grand Canyon 37 34
Gila County Monitors
Hayden 44 41
Miami 35 32
Payson 30 28
Tonto Nat'l Monument 38 35
La Paz County Monitors
Alamo Lake 39 36 12 11 5.5 23
Mohave County Monitors
Bullhead City 9 8
Navajo County Monitors
Petrified Forest 36 33
Santa Cruz County Monitors
Nogales 50 46 9.7 40
Yavapai County Monitors
Prescott 60 67
Yuma County Monitors
Yuma 38 35 30 28 3.2 13
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Monday, November 20, 2017
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 39 36
Buckeye 30 28 89 68 0.3 3
Cave Creek 40 37
Central Phoenix 34 31 55 51 1.26 14
Diablo 9.8 41 0.93 11
Durango 113 80 20.4 68
Dysart 34 31 37 34
Falcon Field 37 34
Fountain Hills 38 35
Glendale 27 25 26 24 6.2 26
Higley 73 60
Humboldt Mountain 46 43
Mesa 41 38 27 25 9.2 38 0.66 8
North Phoenix 33 31 31 29 9.5 40
Phoenix Supersite 29 27 61 54 15.5 58 1.34 15
Pinnacle Peak 44 41
South Phoenix 36 33 53 49 11.9 50 1.05 12
South Scottsdale 31 29 37 34
Tempe 31 29 28 26 8.7 36
West 43rd 112 79
West Chandler 31 29 56 51 1.01 11
West Phoenix 27 25 64 55 14.2 55 1.65 19
Zuni Hills 56 51
Pima County Monitors
22nd & Craycroft 38 35
Ajo - -
Children's Park Site 36 33 6.5 27
Coachline 37 34 11.3 47
Fairgrounds 42 39
Green Valley 41 38 20 19 7.5 31
Geronimo 56 51 8.6 36
Rillito 61 54
Rose Elementary 40 37 6.6 28
Saguaro Monument 43 40
Tangerine 43 40
Pinal County Monitors
Apache Junction 36 33 31 29
Casa Grande Airport 38 35
Casa Grande Downtown 67 57 13 53
Combs 69 58
Hidden Valley 152 99
Maricopa 62 54
Pinal Air Park 39 36 42 39
Pinal County Housing 95 71
Queen Valley 43 40
Stanfield 119 83
Cochise County Monitors
Chiricahua NM 43 40
Douglas 55 51 6.5 27
Paul Spur 41 38
Coconino County Monitors
Flagstaff 45 42
Grand Canyon 46 43
Gila County Monitors
Hayden 47 44
Miami 40 37
Payson 32 30
Tonto Nat'l Monument 39 36
La Paz County Monitors
Alamo Lake 40 37 9 8 4.7 20
Mohave County Monitors
Bullhead City 13 12
Navajo County Monitors
Petrified Forest 43 40
Santa Cruz County Monitors
Nogales 64 55 12.1 51
Yavapai County Monitors
Prescott 71 101
Yuma County Monitors
Yuma 37 34 24 22 4.7 20
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Sunday, November 19, 2017
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 44 41
Buckeye 41 38 51 47 0.22 3
Cave Creek 43 40
Central Phoenix 41 38 43 40 1.4 16
Diablo 7.7 32 0.61 7
Durango 41 38 11.9 50
Dysart 46 43 20 19
Falcon Field 42 39
Fountain Hills 41 38
Glendale 40 37 19 18 7.7 32
Higley 39 36
Humboldt Mountain 46 43
Mesa 46 43 14 13 4.6 19 0.28 3
North Phoenix 44 41 17 16 5.8 24
Phoenix Supersite 40 37 41 38 17.4 62 1.42 16
Pinnacle Peak 45 42
South Phoenix 39 36 48 44 14 55 1.11 13
South Scottsdale 40 37 25 23
Tempe 37 34 31 29 9.6 40
West 43rd 42 39
West Chandler 44 41 25 23 0.72 8
West Phoenix 42 39 42 39 11.1 46 1.43 16
Zuni Hills 27 25
Pima County Monitors
22nd & Craycroft 41 38
Ajo - -
Children's Park Site 40 37 6.7 28
Coachline 42 39 7.2 30
Fairgrounds 41 38
Green Valley 41 38 20 19 5.8 24
Geronimo 35 32 6.6 28
Rillito 60 53
Rose Elementary 40 37 6 25
Saguaro Monument 43 40
Tangerine 41 38
Pinal County Monitors
Apache Junction 39 36 16 15
Casa Grande Airport 41 38
Casa Grande Downtown 56 51 12.4 52
Combs 34 31
Hidden Valley 47 44
Maricopa 22 20
Pinal Air Park 40 37 39 36
Pinal County Housing 74 60
Queen Valley 46 43
Stanfield - -
Cochise County Monitors
Chiricahua NM 43 40
Douglas 24 22 2.6 11
Paul Spur 29 27
Coconino County Monitors
Flagstaff 38 35
Grand Canyon 46 43
Gila County Monitors
Hayden 22 20
Miami 26 24
Payson 24 22
Tonto Nat'l Monument 44 41
La Paz County Monitors
Alamo Lake 41 38 13 12 4.8 20
Mohave County Monitors
Bullhead City 3 3
Navajo County Monitors
Petrified Forest 37 34
Santa Cruz County Monitors
Nogales 51 47 9.7 40
Yavapai County Monitors
Prescott 56 54
Yuma County Monitors
Yuma 42 39 22 20 4.9 20
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Saturday, November 18, 2017
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 42 39
Buckeye 44 41 58 52 0.31 4
Cave Creek 44 41
Central Phoenix 39 36 48 44 1.06 12
Diablo 9.9 41 0.82 9
Durango 54 50 11.1 46
Dysart 44 41 33 31
Falcon Field 40 37
Fountain Hills 40 37
Glendale 40 37 26 24 4.8 20
Higley 48 44
Humboldt Mountain 48 44
Mesa 43 40 21 19 6.7 28 0.27 3
North Phoenix 44 41 23 21 10 42
Phoenix Supersite 42 39 37 34 12.4 52 1.06 12
Pinnacle Peak 44 41
South Phoenix 40 37 50 46 12.4 52 0.81 9
South Scottsdale 36 33 27 25
Tempe 34 31 26 24 8.8 37
West 43rd 56 51
West Chandler 41 38 85 66 0.43 5
West Phoenix 44 41 42 39 9.1 38 0.75 9
Zuni Hills 47 44
Pima County Monitors
22nd & Craycroft 37 34
Ajo 13 12
Children's Park Site 35 32 6.3 26
Coachline 36 33 7 29
Fairgrounds 39 36
Green Valley 40 37 14 13 7 29
Geronimo 36 33 6.6 28
Rillito 46 43
Rose Elementary 37 34 6.5 27
Saguaro Monument 39 36
Tangerine 40 37
Pinal County Monitors
Apache Junction 40 37 14 13
Casa Grande Airport 40 37
Casa Grande Downtown 44 41 11.9 50
Combs 44 41
Hidden Valley 43 40
Maricopa 36 33
Pinal Air Park 40 37 32 30
Pinal County Housing 47 44
Queen Valley 46 43
Stanfield 65 56
Cochise County Monitors
Chiricahua NM 43 40
Douglas 20 19 2.9 12
Paul Spur 11 10
Coconino County Monitors
Flagstaff 46 43
Grand Canyon 46 43
Gila County Monitors
Hayden 28 26
Miami 15 14
Payson 11 10
Tonto Nat'l Monument 44 41
La Paz County Monitors
Alamo Lake 47 44 14 13 4.7 20
Mohave County Monitors
Bullhead City 27 25
Navajo County Monitors
Petrified Forest 46 43
Santa Cruz County Monitors
Nogales 35 32 7.6 32
Yavapai County Monitors
Prescott 63 77
Yuma County Monitors
Yuma 43 40 57 52 7.1 30
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Friday, November 17, 2017
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 31 29
Buckeye 24 22 85 66 0.36 4
Cave Creek 33 31
Central Phoenix 18 17 52 48 1.28 15
Diablo 13.7 54 1.06 12
Durango 107 77 19.3 66
Dysart 21 19 53 49
Falcon Field 28 26
Fountain Hills 30 28
Glendale 16 15 37 34 5.5 23
Higley 55 51
Humboldt Mountain 40 37
Mesa 27 25 43 40 11.7 49 0.4 5
North Phoenix 27 25 35 32 10.3 43
Phoenix Supersite 20 19 48 44 11.4 48 0.93 11
Pinnacle Peak 34 31
South Phoenix 14 13 82 64 19 66 1.36 15
South Scottsdale 24 22 40 37
Tempe 17 16 35 32 8.5 35
West 43rd 113 80
West Chandler 25 23 62 54 0.61 7
West Phoenix 18 17 62 54 14.4 56 1.23 14
Zuni Hills 56 51
Pima County Monitors
22nd & Craycroft 35 32
Ajo 11 10
Children's Park Site 34 31 7.1 30
Coachline 28 26 9.4 39
Fairgrounds 37 34
Green Valley 35 32 10 9 6.5 27
Geronimo 47 44 7.2 30
Rillito 67 57
Rose Elementary 32 30 7.9 33
Saguaro Monument 39 36
Tangerine 36 33
Pinal County Monitors
Apache Junction 30 28 24 22
Casa Grande Airport 31 29
Casa Grande Downtown 67 57 17.2 62
Combs 74 60
Hidden Valley 174 110
Maricopa 68 57
Pinal Air Park 34 31 43 40
Pinal County Housing 66 56
Queen Valley 38 35
Stanfield 79 63
Cochise County Monitors
Chiricahua NM 36 33
Douglas 49 45 7.1 30
Paul Spur 21 19
Coconino County Monitors
Flagstaff 32 30
Grand Canyon 42 39
Gila County Monitors
Hayden 44 41
Miami 29 27
Payson 28 26
Tonto Nat'l Monument 34 31
La Paz County Monitors
Alamo Lake 32 30 16 15 6.5 27
Mohave County Monitors
Bullhead City 39 36
Navajo County Monitors
Petrified Forest 35 32
Santa Cruz County Monitors
Nogales 60 53 11.1 46
Yavapai County Monitors
Prescott 53 49
Yuma County Monitors
Yuma 27 25 40 37 8.3 35
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