Air Quality Data
AQI Scale
Jump to: Apr 18th | Apr 17th | Apr 16th | Apr 15th | Apr 14th | Apr 13th | Apr 12th | Top
Monitor Readings for Wednesday, April 18, 2018
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 71 101
Buckeye 72 105 40 37 0.3 3
Cave Creek 75 115
Central Phoenix 64 80 36 33 0.52 6
Diablo 6.6 28 0.75 9
Durango 50 46 7.7 32
Dysart 75 115 35 32
Falcon Field 68 93
Fountain Hills 67 90
Glendale 70 100 23 21 6.7 28
Higley 41 38
Humboldt Mountain 78 126
Mesa 67 90 23 21 5.2 22 0.31 4
North Phoenix 66 87 22 20 5.2 22
Phoenix Supersite 65 84 35 32 6.4 27 0.33 4
Pinnacle Peak 73 108
South Phoenix 70 100 37 34 7.7 32 0.55 6
South Scottsdale 59 64 33 31
Tempe 61 71 32 30 6.4 27
West 43rd 63 55
West Chandler 65 84 34 31 0.41 5
West Phoenix 70 100 30 28 6.1 25 0.82 9
Zuni Hills 30 28
Pima County Monitors
22nd & Craycroft 62 74
Ajo 14 13
Children's Park Site 61 71 8.4 35
Coachline 61 71 6.8 28
Fairgrounds 65 84
Green Valley 65 84 24 22 5.1 21
Geronimo 47 44 8.6 36
Orange Grove 38 35 10 42
Rillito 70 58
Rose Elementary 60 67 7.7 32
Saguaro Monument 67 90
South Tucson 42 39
Tangerine 63 77
Pinal County Monitors
Apache Junction 63 77 28 26
Casa Grande Airport 65 84
Casa Grande Downtown 43 40 6.4 27
Combs 56 51
Eloy 47 44
Hidden Valley 142 94
Maricopa 45 42
Pinal Air Park 64 80 39 36
Pinal County Housing 47 44
Queen Valley 69 97
Stanfield 100 73
Cochise County Monitors
Chiricahua NM 55 51
Douglas 41 38 7.6 32
Paul Spur 39 36
Coconino County Monitors
Flagstaff 66 87
Grand Canyon 73 108
Gila County Monitors
Hayden 40 37
Miami 32 30
Payson 17 16
Tonto Nat'l Monument 68 93
La Paz County Monitors
Alamo Lake 72 105 9 8 2.3 10
Mohave County Monitors
Bullhead City 7 6
Navajo County Monitors
Petrified Forest 63 77
Santa Cruz County Monitors
Nogales 53 49 13.1 53
Yavapai County Monitors
Prescott 72 105
Yuma County Monitors
Yuma 62 74 32 30 6.3 26
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


Jump to: Apr 18th | Apr 17th | Apr 16th | Apr 15th | Apr 14th | Apr 13th | Apr 12th | Top
Monitor Readings for Tuesday, April 17, 2018
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 71 101
Buckeye 59 64 64 55 0.28 3
Cave Creek 67 90
Central Phoenix 61 71 70 58 0.5 6
Diablo 8.5 35 0.72 8
Durango 69 58 8.2 34
Dysart 61 71 48 44
Falcon Field 67 90
Fountain Hills 66 87
Glendale 60 67 38 35 6.6 28
Higley 68 57
Humboldt Mountain 70 100
Mesa 64 80 42 39 6.7 28 0.38 4
North Phoenix 63 77 36 33 7.5 31
Phoenix Supersite 59 64 61 54 8.6 36 0.27 3
Pinnacle Peak 70 100
South Phoenix 66 87 64 55 8.3 35 0.5 6
South Scottsdale 57 58 58 52
Tempe 58 61 45 42 6.6 28
West 43rd 85 66
West Chandler 65 84 60 53 0.22 3
West Phoenix 62 74 50 46 7.7 32 0.24 3
Zuni Hills 44 41
Pima County Monitors
22nd & Craycroft 53 49
Ajo 87 67
Children's Park Site 54 50 12.2 51
Coachline 55 51 13.2 53
Fairgrounds 54 50
Green Valley 52 48 22 20 5.6 23
Geronimo 69 58 12.3 51
Orange Grove 70 58 13.4 54
Rillito 83 65
Rose Elementary 52 48 12.5 52
Saguaro Monument 57 58
South Tucson 66 56
Tangerine 58 61
Pinal County Monitors
Apache Junction 65 84 53 49
Casa Grande Airport 61 71
Casa Grande Downtown 91 69 14.5 56
Combs 96 71
Eloy 88 67
Hidden Valley 84 65
Maricopa 103 75
Pinal Air Park 57 58 79 63
Pinal County Housing 88 67
Queen Valley 69 97
Stanfield 148 97
Cochise County Monitors
Chiricahua NM 58 61
Douglas 55 51 9.5 40
Paul Spur 32 30
Coconino County Monitors
Flagstaff 78 126
Grand Canyon 57 58
Gila County Monitors
Hayden 82 64
Miami 64 55
Payson 40 37
Tonto Nat'l Monument 75 115
La Paz County Monitors
Alamo Lake 58 61 21 19 4 17
Mohave County Monitors
Bullhead City 9 8
Navajo County Monitors
Petrified Forest 69 97
Santa Cruz County Monitors
Nogales 41 38 9.5 40
Yavapai County Monitors
Prescott 63 77
Yuma County Monitors
Yuma 53 49 83 65 11.5 48
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


Jump to: Apr 18th | Apr 17th | Apr 16th | Apr 15th | Apr 14th | Apr 13th | Apr 12th | Top
Monitor Readings for Monday, April 16, 2018
Monitor Site Ozone PM10 PM2.5 Carbon Monoxide
ppb AQI µg/m3 AQI µg/m3 AQI ppm AQI
Maricopa County Monitors
Blue Point 57 58
Buckeye 51 47 57 52 0.35 4
Cave Creek 55 51
Central Phoenix 51 47 44 41 0.56 6
Diablo 8.7 36 0.7 8
Durango 69 58 12.9 53
Dysart 52 48 35 32
Falcon Field 53 49
Fountain Hills 52 48
Glendale 49 45 28 26 8 33
Higley 50 46
Humboldt Mountain 60 67
Mesa 49 45 28 26 8.7 36 0.34 4
North Phoenix 50 46 25 23 8.3 35
Phoenix Supersite 48 44 35 32 8.4 35 0.19 2
Pinnacle Peak 55 51
South Phoenix 56 54 39 36 9.1 38 0.58 7
South Scottsdale 45 42 35 32
Tempe 43 40 50 46 8.8 37
West 43rd 76 61
West Chandler 48 44 40 37 0.37 4
West Phoenix 52 48 37 34 9.3 39 0.61 7
Zuni Hills 34 31
Pima County Monitors
22nd & Craycroft 58 61
Ajo 38 35
Children's Park Site 59 64 7.3 30
Coachline 59 64 7.5 31
Fairgrounds 60 67
Green Valley 55 51 22 20 6.3 26
Geronimo 47 44 8.6 36
Orange Grove 37 34 9.5 40
Rillito 66 56
Rose Elementary 58 61 7.7 32
Saguaro Monument 61 71
South Tucson 45 42
Tangerine 60 67
Pinal County Monitors
Apache Junction 51 47 32 30
Casa Grande Airport 56 54
Casa Grande Downtown 91 69 15.7 59
Combs 70 58
Eloy 99 73
Hidden Valley 91 69
Maricopa 46 43
Pinal Air Park 59 64 48 44
Pinal County Housing 134 90
Queen Valley 58 61
Stanfield 95 71
Cochise County Monitors
Chiricahua NM 61 71
Douglas 51 47 9.5 40
Paul Spur 25 23
Coconino County Monitors
Flagstaff 62 74
Grand Canyon 61 71
Gila County Monitors
Hayden 60 53
Miami 52 48
Payson 22 20
Tonto Nat'l Monument 63 77
La Paz County Monitors
Alamo Lake 59 64 41 38 9.9 41
Mohave County Monitors
Bullhead City 74 60
Navajo County Monitors
Petrified Forest 64 80
Santa Cruz County Monitors
Nogales 43 40 9.9 41
Yavapai County Monitors
Prescott 56 54
Yuma County Monitors
Yuma 50 46 163 105 23.5 75
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


Jump to: Apr 18th | Apr 17th | Apr 16th | Apr 15th | Apr 14th | Apr 13th | Apr 12th | Top
Monitor Readings for Sunday, April 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 61 71
Buckeye 55 51 37 34 0.3 3
Cave Creek 62 74
Central Phoenix 57 58 34 31 0.95 11
Diablo 9.2 38 0.62 7
Durango 33 31 9.2 38
Dysart 61 71 25 23
Falcon Field 60 67
Fountain Hills 60 67
Glendale 58 61 25 23 8.4 35
Higley 30 28
Humboldt Mountain 63 77
Mesa 61 71 18 17 6.6 28 0.42 5
North Phoenix 62 74 20 19 7.5 31
Phoenix Supersite 58 61 27 25 7.8 33 0.44 5
Pinnacle Peak 63 77
South Phoenix 62 74 35 32 8.5 35 0.77 9
South Scottsdale 55 51 25 23
Tempe 55 51 24 22 7.2 30
West 43rd 38 35
West Chandler 59 64 29 27 0.47 5
West Phoenix 62 74 32 30 8.9 37 1.1 13
Zuni Hills 24 22
Pima County Monitors
22nd & Craycroft 58 61
Ajo 12 11
Children's Park Site 60 67 4.9 20
Coachline 59 64 6.7 28
Fairgrounds 59 64
Green Valley 56 54 11 10 2.6 11
Geronimo 31 29 7 29
Orange Grove 22 20 6.9 29
Rillito 36 33
Rose Elementary 57 58 5.1 21
Saguaro Monument 60 67
South Tucson 28 26
Tangerine 62 74
Pinal County Monitors
Apache Junction 55 51 22 20
Casa Grande Airport 57 58
Casa Grande Downtown 36 33 14 55
Combs 31 29
Eloy 64 55
Hidden Valley 147 97
Maricopa 35 32
Pinal Air Park 59 64 32 30
Pinal County Housing 51 47
Queen Valley 58 61
Stanfield 49 45
Cochise County Monitors
Chiricahua NM 57 58
Douglas 27 25 7 29
Paul Spur 17 16
Coconino County Monitors
Flagstaff 56 54
Grand Canyon 58 61
Gila County Monitors
Hayden 29 27
Miami 21 19
Payson 18 17
Tonto Nat'l Monument 8 7
La Paz County Monitors
Alamo Lake 57 58 11 10 4.6 19
Mohave County Monitors
Bullhead City 21 19
Navajo County Monitors
Petrified Forest 56 54
Santa Cruz County Monitors
Nogales 36 33 7.6 32
Yavapai County Monitors
Prescott 53 49
Yuma County Monitors
Yuma 63 77 35 32 10.4 43
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


Jump to: Apr 18th | Apr 17th | Apr 16th | Apr 15th | Apr 14th | Apr 13th | Apr 12th | Top
Monitor Readings for Saturday, April 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 59 64
Buckeye 57 58 34 31 0.3 3
Cave Creek 58 61
Central Phoenix 57 58 21 19 0.67 8
Diablo 3.9 16 0.65 7
Durango 23 21 5.1 21
Dysart 58 61 20 19
Falcon Field 58 61
Fountain Hills 57 58
Glendale 55 51 16 15 3.5 15
Higley 24 22
Humboldt Mountain 58 61
Mesa 58 61 11 10 3.1 13 0.38 4
North Phoenix 59 64 11 10 3.9 16
Phoenix Supersite 55 51 19 18 2.9 12 0.38 4
Pinnacle Peak 59 64
South Phoenix 61 71 21 19 5.2 22 0.61 7
South Scottsdale 52 48 18 17
Tempe 54 50 22 20 3.3 14
West 43rd 27 25
West Chandler 58 61 20 19 0.41 5
West Phoenix 60 67 19 18 4.4 18 0.72 8
Zuni Hills 24 22
Pima County Monitors
22nd & Craycroft 53 49
Ajo 16 15
Children's Park Site 53 49 4.1 17
Coachline 55 51 4 17
Fairgrounds 55 51
Green Valley 53 49 16 15 1.5 6
Geronimo 26 24 5.9 25
Orange Grove 20 19 4.2 18
Rillito 30 28
Rose Elementary 54 50 4.2 18
Saguaro Monument 55 51
South Tucson 24 22
Tangerine 56 54
Pinal County Monitors
Apache Junction 54 50 16 15
Casa Grande Airport 57 58
Casa Grande Downtown 31 29 7.2 30
Combs 38 35
Eloy 35 32
Hidden Valley 28 26
Maricopa 24 22
Pinal Air Park 55 51 29 27
Pinal County Housing 46 43
Queen Valley 58 61
Stanfield 83 65
Cochise County Monitors
Chiricahua NM 55 51
Douglas 18 17 2.5 10
Paul Spur 20 19
Coconino County Monitors
Flagstaff 58 61
Grand Canyon 52 48
Gila County Monitors
Hayden 18 17
Miami 10 9
Payson 10 9
Tonto Nat'l Monument 60 67
La Paz County Monitors
Alamo Lake 55 51 9 8 3.3 14
Mohave County Monitors
Bullhead City 10 9
Navajo County Monitors
Petrified Forest 53 49
Santa Cruz County Monitors
Nogales 18 17 3.3 14
Yavapai County Monitors
Prescott 51 47
Yuma County Monitors
Yuma 55 51 27 25 6.6 28
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


Jump to: Apr 18th | Apr 17th | Apr 16th | Apr 15th | Apr 14th | Apr 13th | Apr 12th | Top
Monitor Readings for Friday, April 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 55 51
Buckeye 50 46 47 44 0.23 3
Cave Creek 56 54
Central Phoenix 50 46 31 29 0.26 3
Diablo 3.4 14 0.26 3
Durango 32 30 2.4 10
Dysart 53 49 22 20
Falcon Field 55 51
Fountain Hills 54 50
Glendale 51 47 14 13 2.4 10
Higley 29 27
Humboldt Mountain 54 50
Mesa 53 49 16 15 2.4 10 0.2 2
North Phoenix 56 54 16 15 2 8
Phoenix Supersite 51 47 29 27 2.5 10 0.04
Pinnacle Peak 55 51
South Phoenix 54 50 30 28 1.6 7 0.27 3
South Scottsdale 47 44 20 19
Tempe 47 44 17 16 2.6 11
West 43rd 44 41
West Chandler 53 49 29 27 0.2 2
West Phoenix 54 50 23 21 3.5 15 0.23 3
Zuni Hills 17 16
Pima County Monitors
22nd & Craycroft 53 49
Ajo 53 49
Children's Park Site 53 49 9.3 39
Coachline 53 49 10.9 45
Fairgrounds 56 54
Green Valley 53 49 44 41 7 29
Geronimo 74 60 10.1 42
Orange Grove 64 55 10.9 45
Rillito 84 65
Rose Elementary 53 49 11.2 47
Saguaro Monument 56 54
South Tucson 62 54
Tangerine 55 51
Pinal County Monitors
Apache Junction 51 47 20 19
Casa Grande Airport 50 46
Casa Grande Downtown 60 53 9.9 41
Combs 127 87
Eloy 59 53
Hidden Valley 48 44
Maricopa 52 48
Pinal Air Park 53 49 59 53
Pinal County Housing 69 58
Queen Valley 54 50
Stanfield 127 87
Cochise County Monitors
Chiricahua NM 55 51
Douglas 45 42 6.7 28
Paul Spur 33 31
Coconino County Monitors
Flagstaff 49 45
Grand Canyon 54 50
Gila County Monitors
Hayden 37 34
Miami 16 15
Payson 8 7
Tonto Nat'l Monument 55 51
La Paz County Monitors
Alamo Lake 52 48 10 9 3.1 13
Mohave County Monitors
Bullhead City 7 6
Navajo County Monitors
Petrified Forest 49 45
Santa Cruz County Monitors
Nogales 31 29 5 21
Yavapai County Monitors
Prescott 48 44
Yuma County Monitors
Yuma 50 46 57 52 7.6 32
Preliminary Data
Pollutant data is not measured at this monitor
Pollutant data is missing or invalid


Jump to: Apr 18th | Apr 17th | Apr 16th | Apr 15th | Apr 14th | Apr 13th | Apr 12th | Top
Monitor Readings for Thursday, April 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 61 71
Buckeye 56 54 161 104 0.22 3
Cave Creek 59 64
Central Phoenix 56 54 146 96 0.4 5
Diablo 11.6 48 0.53 6
Durango 177 112 13.1 53
Dysart 59 64 93 70
Falcon Field 58 61
Fountain Hills 58 61
Glendale 56 54 77 62 9.2 38
Higley 189 118
Humboldt Mountain 60 67
Mesa 56 54 72 59 10.3 43 0.22 3
North Phoenix 59 64 61 54 9.3 39
Phoenix Supersite 54 50 115 81 12.3 51 0.04
Pinnacle Peak 60 67
South Phoenix 58 61 160 103 13.8 55 0.27 3
South Scottsdale 51 47 91 69
Tempe 52 48 111 79 10.4 43
West 43rd 386 245
West Chandler 58 61 171 109 0.17 2
West Phoenix 59 64 114 80 10.2 43 0.26 3
Zuni Hills 107 77
Pima County Monitors
22nd & Craycroft 56 54
Ajo 67 57
Children's Park Site 56 54 8.8 37
Coachline 56 54 9.8 41
Fairgrounds 56 54
Green Valley 51 47 23 21 3.3 14
Geronimo 107 77 11.2 47
Orange Grove 66 56 9 38
Rillito 216 131
Rose Elementary 58 61 10 42
Saguaro Monument 58 61
South Tucson 94 70
Tangerine 59 64
Pinal County Monitors
Apache Junction 56 54 119 83
Casa Grande Airport 58 61
Casa Grande Downtown 451 334 42.5 118
Combs 377 233
Eloy 494 387
Hidden Valley 244 145
Maricopa 448 330
Pinal Air Park 50 46 141 94
Pinal County Housing 780
Queen Valley 59 64
Stanfield 1789
Cochise County Monitors
Chiricahua NM 53 49
Douglas 90 68 9.4 39
Paul Spur 52 48
Coconino County Monitors
Flagstaff 62 74
Grand Canyon 66 87
Gila County Monitors
Hayden 245 146
Miami 159 103
Payson 50 46
Tonto Nat'l Monument 63 77
La Paz County Monitors
Alamo Lake 62 74 45 42 8.5 35
Mohave County Monitors
Bullhead City 27 25
Navajo County Monitors
Petrified Forest 59 64
Santa Cruz County Monitors
Nogales 43 40 5.2 22
Yavapai County Monitors
Prescott 55 51
Yuma County Monitors
Yuma 60 67 231 139 34.3 98
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