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Air quality in Arizona
Air quality index (AQI) and PM2.5 air pollution in Arizona
LIVE AQI CITY RANKING
Real-time Arizona
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  San Tan Valley | 86 |
| 2 | Maricopa | 75 |
| 3 | Casa Grande | 73 |
| 4 | Stanfield | 73 |
| 5 | Douglas | 62 |
| 6 | Fort McDowell | 60 |
| 7 | Buckeye | 59 |
| 8 | Mountainaire | 58 |
| 9 | Sun City | 58 |
| 10 | Marana | 56 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
84 Contributors
See all
LIVE AQI CITY RANKING
Real-time Arizona
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Mohave | 22 |
| 2 | Chino Valley | 23 |
| 3 | Fort Defiance | 24 |
| 4 | New River | 25 |
| 5 | Wenden | 25 |
| 6 | Sahuarita | 26 |
| 7 | Tempe | 26 |
| 8 | Prescott | 27 |
| 9 | Chandler | 28 |
| 10 | Prescott Valley | 28 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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News
The latest air quality news and resources.
Arizona air quality data attribution
84Contributors
- Arizona Department of Environment Quality (ADEQ)
57 stations
- Maricopa County Air Monitoring Division
21 stations
- USA National Park Service
4 stations
3 Government Contributors
- Blackstone Community Member
1 station
- Warpaint
1 station
- Stitchface
1 station
- Adrian
1 station
- thecravathian
1 station
- IQAir Community Member
1 station
- Chris
1 station
- rich
1 station
- George Goley
1 station
9 Individual Contributors
72 Anonymous contributors72 stations
72 Anonymous Contributors
Which is the most polluted city in Arizona?
- San Tan Valley 86
- Maricopa 75
- Casa Grande 73
- Stanfield 73
- Douglas 62
- Fort McDowell 60
- Buckeye 59
- Mountainaire 58
- Sun City 58
- Marana 56
- Colorado City 55
- Surprise 55
- Bullhead City 53
- Carefree 53
- Cave Creek 53
- Fountain Hills 53
- Miami 53
- Paradise Valley 53
- Rio Verde 53
- Anthem 52
- Big Park 52
- Black Canyon City 52
- Casa Blanca 52
- Cordes Lakes 52
- Cornville 52
- Gold Canyon 52
- Guadalupe 52
- Lake Montezuma 52
- Laveen 52
- Pine 52
- Queen Creek 52
- Roosevelt 52
- Sacaton 52
- Star Valley 52
- Sun Lakes 52
- Sun Valley 52
- Tempe Junction 52
- Tonto Basin 52
- Village of Oak Creek (Big Park) 52
- West Sedona 52
- Blackwater 51
- Clarkdale 51
- Coolidge 51
- Dewey-Humboldt 51
- Grand Canyon Village 51
- Hidden Valley 51
- Mayer 51
- Spring Valley 51
- St Johns 51
- Verde Village 51
- Youngtown 51
- Arizona City 50
- Lake Havasu City 50
- Nogales 50
- Tolleson 50
- Ajo 49
- Desert Hills 49
- Eloy 49
- Florence 49
- Gold Camp 49
- Kingman 49
- Queen Valley 49
- Avondale 48
- Bagdad 48
- Golden Valley 48
- Litchfield Park 48
- New Kingman-Butler 48
- Sells 48
- Sun City West 48
- Valle Vista 48
- Williamson 48
- Citrus Park 47
- Goodyear 47
- Paulden 47
- Peoria 47
- Avra Valley 46
- Dolan Springs 46
- Kachina Village 46
- Rio Rico 46
- Arivaca Junction 45
- Congress 45
- Golden Shores 45
- Picture Rocks 45
- Tubac 45
- Claypool 44
- Cottonwood 44
- Hayden 44
- Meadview 44
- Three Points 44
- Tortolita 44
- Tucson Estates 44
- Valencia West 44
- Catalina 43
- Central Heights-Midland City 43
- Cibecue 43
- Drexel Heights 43
- Flowing Wells 43
- Globe 43
- Kearny 43
- Oro Valley 43
- Saddle Brooke 43
- San Carlos 43
- Six Shooter Canyon 43
- Wickenburg 43
- Bisbee 42
- East Sahuarita 42
- Ehrenberg 42
- Gila Bend 42
- Naco 42
- Parks 42
- Sierra Vista Southeast 42
- South Tucson 42
- Summit 42
- Williams 42
- El Mirage 41
- Huachuca City 41
- Pirtleville 41
- Whetstone 41
- Heber-Overgaard 40
- Tanque Verde 40
- Tombstone 40
- Vail 40
- Oracle 39
- Peridot 39
- Scottsdale 39
- Yavapai 39
- Yuma 39
- Benson 38
- Bylas 38
- Cactus Flat 38
- Cienega Springs 38
- Clifton 38
- Linden 38
- Mammoth 38
- Mescal 38
- Morenci 38
- Parker 38
- Pima 38
- Safford 38
- Saint David 38
- San Manuel 38
- Swift Trail Junction 38
- Thatcher 38
- Canyon Day 37
- Lake of the Woods 37
- North Fork 37
- Payson 37
- Pinetop-Lakeside 37
- Show Low 37
- Whiteriver 37
- Willcox 37
- Avenue B and C 36
- Donovan Estates 36
- Mohave Valley 36
- Taylor 36
- Tucson 36
- White Mountain Lake 36
- Camp Verde 35
- Willow Valley 35
- Holbrook 34
- Mesa 34
- San Luis 34
- Somerton 34
- Apache Junction 33
- Casas Adobes 33
- Corona de Tucson 33
- Glendale 33
- Houck 33
- Peach Springs 33
- Phoenix 33
- Saint Michaels 33
- Sedona 33
- Window Rock 33
- Catalina Foothills 31
- Eagar 31
- Ganado 31
- Chinle 30
- Dilkon 30
- First Mesa 30
- Joseph City 30
- Springerville 30
- Tsaile 30
- Flagstaff 29
- Gilbert 29
- Green Valley 29
- Lukachukai 29
- Many Farms 29
- Quartzsite 29
- Snowflake 29
- Superior 29
- Centennial Park 28
- Chandler 28
- Kaibito 28
- Prescott Valley 28
- Sierra Vista 28
- Winslow 28
- Coconino 27
- Fortuna Foothills 27
- Prescott 27
- Saint Johns 27
- Tuba City 27
- Fredonia 26
- Grand Canyon 26
- Kayenta 26
- Sahuarita 26
- Salome 26
- Tempe 26
- New River 25
- Page 25
- Wellton 25
- Wenden 25
- Fort Defiance 24
- LeChee 24
- Chino Valley 23
- Beaver Dam 22
- Mohave 22
- Scenic 22
AQI US, Metric