Air Quality Data
AQI Scale
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Monitor Readings for Thursday, December 6, 2018
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 27 25
Buckeye 18 17 21 19 0.36 4
Cave Creek 32 30
Central Phoenix 8 7 34 31 0.76 9
Diablo 15.5 58 0.82 9
Durango 31 29 12.9 53
Dysart 25 23 17 16
Falcon Field 29 27
Fountain Hills 28 26
Glendale 14 13 17 16 9.2 38
Higley 25 23
Humboldt Mountain 39 36
Mesa 23 21 19 18 8.9 37 0.37 4
North Phoenix 14 13 15 14 8.4 35
Phoenix Supersite 5 5 27 25 12.2 51 0.6 7
Pinnacle Peak 28 26
South Phoenix 2 2 27 25 14.4 56 0.58 7
South Scottsdale 10 9 24 22
Tempe 4 4 23 21 11.9 50
West 43rd 40 37
West Chandler 16 15 23 21 0.61 7
West Phoenix 6 6 25 23 12 50 0.63 7
Zuni Hills 13 12
Pima County Monitors
22nd & Craycroft 32 30
Ajo 6 6
Children's Park Site 30 28 3 13
Coachline 29 27 4.7 20
Fairgrounds 34 31
Green Valley 33 31 9 8 5.5 23
Geronimo 22 20 7.1 30
Orange Grove 17 16 3.8 16
Rillito 35 32
Rose Elementary 31 29 4.5 19
Saguaro Monument 36 33
South Tucson 22 20
Tangerine 34 31
Pinal County Monitors
Apache Junction 26 24 13 12
Casa Grande Airport 20 19
Casa Grande Downtown 27 25 6.7 28
Combs 38 35
Eloy 25 23
Hidden Valley 33 31
Maricopa 25 23
Pinal Air Park 30 28 18 17
Pinal County Housing 26 24
Queen Valley 36 33
Stanfield 31 29
Cochise County Monitors
Chiricahua NM - -
Douglas 24 22 4.1 17
Paul Spur 14 13
Coconino County Monitors
Flagstaff 34 31
Grand Canyon 35 32
Gila County Monitors
Hayden 18 17
Miami 15 14
Payson 17 16
Tonto Nat'l Monument 32 30
La Paz County Monitors
Alamo Lake 36 33 7 6 3.6 15
Mohave County Monitors
Bullhead City 5 5
Navajo County Monitors
Petrified Forest 32 30
Santa Cruz County Monitors
Nogales 21 19 5 21
Yavapai County Monitors
Prescott 32 30
Yuma County Monitors
Yuma 21 19 18 17 8.2 34
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Wednesday, December 5, 2018
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 28 26 40 37 0.3 3
Cave Creek 40 37
Central Phoenix 26 24 36 33 1.47 17
Diablo 7 29 0.48 5
Durango 41 38 14.1 55
Dysart 32 30 22 20
Falcon Field 36 33
Fountain Hills 37 34
Glendale 21 19 17 16 6.8 28
Higley 35 32
Humboldt Mountain 44 41
Mesa 34 31 13 12 5 21 0.48 5
North Phoenix 30 28 15 14 5.7 24
Phoenix Supersite 25 23 39 36 11.5 48 1.08 12
Pinnacle Peak 40 37
South Phoenix 27 25 21 19 7.4 31 0.47 5
South Scottsdale 27 25 21 19
Tempe 27 25 13 12 5.1 21
West 43rd 61 54
West Chandler 28 26 23 21 0.7 8
West Phoenix 24 22 43 40 15.8 59 1.68 19
Zuni Hills 15 14
Pima County Monitors
22nd & Craycroft 30 28
Ajo 11 10
Children's Park Site 24 22 4.7 20
Coachline 24 22 8 33
Fairgrounds 33 31
Green Valley 39 36 11 10 4.4 18
Geronimo 34 31 8 33
Orange Grove 32 30 6.7 28
Rillito 39 36
Rose Elementary 25 23 5.6 23
Saguaro Monument 39 36
South Tucson 32 30
Tangerine 29 27
Pinal County Monitors
Apache Junction 31 29 13 12
Casa Grande Airport 34 31
Casa Grande Downtown 27 25 6.3 26
Combs 56 51
Eloy 37 34
Hidden Valley 33 31
Maricopa 36 33
Pinal Air Park 29 27 21 19
Pinal County Housing 29 27
Queen Valley 42 39
Stanfield 28 26
Cochise County Monitors
Chiricahua NM 1 1
Douglas 39 36 7.3 30
Paul Spur 12 11
Coconino County Monitors
Flagstaff 38 35
Grand Canyon 40 37
Gila County Monitors
Hayden 15 14
Miami 12 11
Payson 31 29
Tonto Nat'l Monument 38 35
La Paz County Monitors
Alamo Lake 35 32 5 5 1.6 7
Mohave County Monitors
Bullhead City 1 1
Navajo County Monitors
Petrified Forest 36 33
Santa Cruz County Monitors
Nogales 61 54 19.6 67
Yavapai County Monitors
Prescott 42 39
Yuma County Monitors
Yuma 36 33 28 26 6.4 27
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Tuesday, December 4, 2018
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 37 34
Buckeye 22 20 27 25 0.41 5
Cave Creek 33 31
Central Phoenix 20 19 48 44 1.58 18
Diablo 7.4 31 0.62 7
Durango 57 52 19.3 66
Dysart 31 29 17 16
Falcon Field 37 34
Fountain Hills 36 33
Glendale 24 22 16 15 7.9 33
Higley 20 19
Humboldt Mountain 45 42
Mesa 36 33 6 6 3.5 15 0.17 2
North Phoenix 25 23 18 17 7.7 32
Phoenix Supersite 20 19 25 23 11.5 48 1.39 16
Pinnacle Peak 37 34
South Phoenix 21 19 33 31 14.1 55 1.05 12
South Scottsdale 24 22 19 18
Tempe 25 23 16 15 6.8 28
West 43rd 74 60
West Chandler 29 27 15 14 0.71 8
West Phoenix 18 17 43 40 18.1 64 1.78 20
Zuni Hills 10 9
Pima County Monitors
22nd & Craycroft 26 24
Ajo 12 11
Children's Park Site 18 17 6.5 27
Coachline 21 19 9.1 38
Fairgrounds 39 36
Green Valley 37 34 12 11 4.5 19
Geronimo 32 30 9.9 41
Orange Grove 30 28 9 38
Rillito 36 33
Rose Elementary 21 19 8.5 35
Saguaro Monument 37 34
South Tucson 35 32
Tangerine 24 22
Pinal County Monitors
Apache Junction 33 31 6 6
Casa Grande Airport 28 26
Casa Grande Downtown 27 25 8.4 35
Combs 24 22
Eloy 32 30
Hidden Valley 27 25
Maricopa 26 24
Pinal Air Park 23 21 21 19
Pinal County Housing 45 42
Queen Valley 44 41
Stanfield 28 26
Cochise County Monitors
Chiricahua NM 22 20
Douglas 24 22 4.3 18
Paul Spur 15 14
Coconino County Monitors
Flagstaff 32 30
Grand Canyon 40 37
Gila County Monitors
Hayden 12 11
Miami 14 13
Payson 17 16
Tonto Nat'l Monument 35 32
La Paz County Monitors
Alamo Lake 35 32 4 4 2.6 11
Mohave County Monitors
Bullhead City 4 4
Navajo County Monitors
Petrified Forest 39 36
Santa Cruz County Monitors
Nogales 55 51 18.2 64
Yavapai County Monitors
Prescott 36 33
Yuma County Monitors
Yuma 31 29 23 21 4.2 18
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Monday, December 3, 2018
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 36 33
Buckeye 33 31 20 19 0.28 3
Cave Creek 39 36
Central Phoenix 31 29 31 29 1.18 13
Diablo 13 53 0.71 8
Durango 41 38 16.4 60
Dysart 37 34 15 14
Falcon Field 36 33
Fountain Hills 35 32
Glendale 30 28 16 15 10.2 43
Higley 20 19
Humboldt Mountain 44 41
Mesa 40 37 12 11 6.7 28 0.32 4
North Phoenix 34 31 13 12 7.2 30
Phoenix Supersite 30 28 28 26 14.1 55 0.76 9
Pinnacle Peak 40 37
South Phoenix 23 21 36 33 16.4 60 0.81 9
South Scottsdale 28 26 17 16
Tempe 27 25 18 17 9.4 39
West 43rd 54 50
West Chandler 37 34 21 19 0.71 8
West Phoenix 27 25 35 32 16.3 60 1.28 15
Zuni Hills 7 6
Pima County Monitors
22nd & Craycroft 37 34
Ajo 10 9
Children's Park Site 35 32 6.7 28
Coachline 32 30 7.4 31
Fairgrounds 40 37
Green Valley 42 39 9 8 4.9 20
Geronimo 25 23 8.4 35
Orange Grove 17 16 5.2 22
Rillito 28 26
Rose Elementary 33 31 6 25
Saguaro Monument 43 40
South Tucson 28 26
Tangerine 40 37
Pinal County Monitors
Apache Junction 33 31 8 7
Casa Grande Airport 37 34
Casa Grande Downtown 20 19 7.5 31
Combs 19 18
Eloy 29 27
Hidden Valley 32 30
Maricopa 19 18
Pinal Air Park 40 37 12 11
Pinal County Housing 25 23
Queen Valley 41 38
Stanfield 20 19
Cochise County Monitors
Chiricahua NM 44 41
Douglas 25 23 7.6 32
Paul Spur 11 10
Coconino County Monitors
Flagstaff 40 37
Grand Canyon 43 40
Gila County Monitors
Hayden 13 12
Miami 12 11
Payson 26 24
Tonto Nat'l Monument 38 35
La Paz County Monitors
Alamo Lake 41 38 3 3 3.2 13
Mohave County Monitors
Bullhead City 1 1
Navajo County Monitors
Petrified Forest 40 37
Santa Cruz County Monitors
Nogales 31 29 10.6 44
Yavapai County Monitors
Prescott 39 36
Yuma County Monitors
Yuma 39 36 24 22 4.2 18
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Sunday, December 2, 2018
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 39 36 22 20 0.21 2
Cave Creek 40 37
Central Phoenix 39 36 34 31 0.62 7
Diablo 9.4 39 0.75 9
Durango 23 21 8.5 35
Dysart 41 38 23 21
Falcon Field 39 36
Fountain Hills 39 36
Glendale 37 34 23 21 9.4 39
Higley 22 20
Humboldt Mountain - -
Mesa 40 37 24 22 10.9 45 0.53 6
North Phoenix 40 37 21 19 9.5 40
Phoenix Supersite 39 36 29 27 12 50 0.86 10
Pinnacle Peak 39 36
South Phoenix 39 36 31 29 14.9 57 0.85 10
South Scottsdale 32 30 23 21
Tempe 32 30 20 19 9.5 40
West 43rd 34 31
West Chandler 42 39 32 30 0.77 9
West Phoenix 41 38 26 24 9.7 40 1.03 12
Zuni Hills 18 17
Pima County Monitors
22nd & Craycroft 41 38
Ajo 11 10
Children's Park Site 40 37 3.7 15
Coachline 42 39 5.4 23
Fairgrounds 41 38
Green Valley 41 38 7 6 5.2 22
Geronimo 12 11 6.7 28
Orange Grove 12 11 4 17
Rillito 19 18
Rose Elementary 39 36 5 21
Saguaro Monument 42 39
South Tucson 13 12
Tangerine 41 38
Pinal County Monitors
Apache Junction 24 22 - -
Casa Grande Airport 6 6
Casa Grande Downtown - - - -
Combs - -
Eloy - -
Hidden Valley - -
Maricopa - -
Pinal Air Park 9 8 - -
Pinal County Housing - -
Queen Valley 42 39
Stanfield - -
Cochise County Monitors
Chiricahua NM 41 38
Douglas 16 15 6.3 26
Paul Spur 8 7
Coconino County Monitors
Flagstaff 44 41
Grand Canyon 44 41
Gila County Monitors
Hayden 17 16
Miami 18 17
Payson 16 15
Tonto Nat'l Monument 43 40
La Paz County Monitors
Alamo Lake 44 41 7 6 4.1 17
Mohave County Monitors
Bullhead City 7 6
Navajo County Monitors
Petrified Forest 43 40
Santa Cruz County Monitors
Nogales 16 15 5.7 24
Yavapai County Monitors
Prescott 41 38
Yuma County Monitors
Yuma 44 41 55 51 7.9 33
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


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Monitor Readings for Saturday, December 1, 2018
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 34 31
Buckeye 32 30 22 20 0.31 4
Cave Creek 38 35
Central Phoenix 31 29 28 26 0.43 5
Diablo 10.7 45 0.63 7
Durango 23 21 10.4 43
Dysart 36 33 25 23
Falcon Field 35 32
Fountain Hills 35 32
Glendale 31 29 26 24 14.1 55
Higley 25 23
Humboldt Mountain - -
Mesa 35 32 18 17 7.7 32 0.26 3
North Phoenix 33 31 25 23 13.9 55
Phoenix Supersite 22 20 - - - - 0.51 6
Pinnacle Peak 35 32
South Phoenix 31 29 30 28 15.5 58 0.71 8
South Scottsdale 26 24 22 20
Tempe 27 25 18 17 8 33
West 43rd 38 35
West Chandler 35 32 24 22 0.53 6
West Phoenix 32 30 27 25 12.5 52 0.81 9
Zuni Hills 21 19
Pima County Monitors
22nd & Craycroft 35 32
Ajo - -
Children's Park Site 34 31 4.7 20
Coachline 34 31 7.5 31
Fairgrounds 39 36
Green Valley 39 36 6 6 4.2 18
Geronimo 18 17 7.8 33
Orange Grove 16 15 6.8 28
Rillito - -
Rose Elementary 33 31 5.5 23
Saguaro Monument 40 37
South Tucson 17 16
Tangerine 35 32
Pinal County Monitors
Apache Junction 34 31 16 15
Casa Grande Airport 35 32
Casa Grande Downtown 15 14 6.1 25
Combs 16 15
Eloy 16 15
Hidden Valley 21 19
Maricopa 19 18
Pinal Air Park 36 33 10 9
Pinal County Housing - -
Queen Valley 32 30
Stanfield 16 15
Cochise County Monitors
Chiricahua NM 41 38
Douglas - - - -
Paul Spur - -
Coconino County Monitors
Flagstaff 41 38
Grand Canyon 40 37
Gila County Monitors
Hayden - -
Miami - -
Payson - -
Tonto Nat'l Monument 41 38
La Paz County Monitors
Alamo Lake 21 19 - - - -
Mohave County Monitors
Bullhead City - -
Navajo County Monitors
Petrified Forest 41 38
Santa Cruz County Monitors
Nogales - - - -
Yavapai County Monitors
Prescott 40 37
Yuma County Monitors
Yuma 40 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, November 30, 2018
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 36 33
Buckeye 36 33 17 16 0.25 3
Cave Creek 34 31
Central Phoenix 33 31 20 19 0.61 7
Diablo 7.1 30 0.61 7
Durango 16 15 5.9 25
Dysart 35 32 22 20
Falcon Field 33 31
Fountain Hills 33 31
Glendale 34 31 14 13 5.7 24
Higley 18 17
Humboldt Mountain - -
Mesa 36 33 12 11 6.1 25 0.47 5
North Phoenix 33 31 10 9 4.3 18
Phoenix Supersite 32 30 15 14 6 25 0.42 5
Pinnacle Peak 34 31
South Phoenix 33 31 17 16 8.1 34 0.73 8
South Scottsdale 29 27 16 15
Tempe 27 25 11 10 5 21
West 43rd 25 23
West Chandler 35 32 17 16 0.61 7
West Phoenix 32 30 17 16 7.3 30 1.05 12
Zuni Hills 16 15
Pima County Monitors
22nd & Craycroft 34 31
Ajo 13 12
Children's Park Site 33 31 2.2 9
Coachline 35 32 4.4 18
Fairgrounds 37 34
Green Valley 38 35 5 5 3.1 13
Geronimo 11 10 5.2 22
Orange Grove 10 9 3.3 14
Rillito 19 18
Rose Elementary 35 32 3.9 16
Saguaro Monument 35 32
South Tucson 11 10
Tangerine 34 31
Pinal County Monitors
Apache Junction 29 27 11 10
Casa Grande Airport 36 33
Casa Grande Downtown 16 15 5.7 24
Combs 17 16
Eloy 14 13
Hidden Valley 9 8
Maricopa 15 14
Pinal Air Park 36 33 9 8
Pinal County Housing 12 11
Queen Valley 41 38
Stanfield 13 12
Cochise County Monitors
Chiricahua NM 39 36
Douglas 22 20 0.3 1
Paul Spur 6 6
Coconino County Monitors
Flagstaff 36 33
Grand Canyon 38 35
Gila County Monitors
Hayden 14 13
Miami 8 7
Payson 5 5
Tonto Nat'l Monument 40 37
La Paz County Monitors
Alamo Lake 42 39 15 14 3.5 15
Mohave County Monitors
Bullhead City 20 19
Navajo County Monitors
Petrified Forest 40 37
Santa Cruz County Monitors
Nogales 11 10 2.7 11
Yavapai County Monitors
Prescott 37 34
Yuma County Monitors
Yuma 40 37 46 43 9 38
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