Air quality in Colorado
Air quality index (AQI⁺) and PM2.5 air pollution in Colorado • 19:35, Sep 30
Live most polluted city ranking
Real-time Colorado most polluted city ranking
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Which is the most polluted city in Colorado?
- Burlington56
- Commerce City50
- Larimer43
- Dove Creek41
- Mancos40
- Erie39
- Cedaredge37
- Eaton37
- Bethune36
- Towaoc35
- Idaho Springs34
- Manitou Springs33
- Woodmoor33
- Florence32
- Golden32
- Cortez31
- Fort Morgan31
- Jefferson30
- Delta29
- Kremmling29
- Rifle29
- Thornton29
- Watkins29
- Douglas28
- Gleneagle28
- Greeley28
- Lamar28
- Springfield28
- Buena Vista27
- Fort Carson27
- Fruita27
- Julesburg27
- Lake27
- Loveland27
- Orchard Mesa27
- Ordway27
- Pueblo West27
- Wiley27
- Clifton26
- Del Norte26
- Holyoke26
- La Plata26
- Wray26
- Centennial25
- El Paso25
- Fraser25
- Fruitvale25
- Palisade25
- Westminster25
- Winter Park25
- Black Forest24
- Brookside24
- Cheyenne Wells24
- Edgewater24
- Evergreen24
- La Junta24
- Pueblo County24
- Redlands24
- Timnath24
- Valmont24
- Westcliffe24
- Arvada23
- Aurora23
- Castle Rock23
- Denver23
- Englewood23
- Grand Junction23
- Hermosa23
- Highlands Ranch23
- Indian Hills23
- Mesa23
- Nederland23
- Parachute23
- Salida23
- San Luis23
- Trinidad23
- Windsor23
- Aguilar22
- Avon22
- Breckenridge22
- Castle Pines22
- Fairplay22
- Holly Hills22
- Hugo22
- Lafayette22
- Lakewood22
- Longmont22
- Montrose22
- Platteville22
- Prowers22
- Saguache County22
- Summit22
- Vail22
- Welby22
- Wellington22
- Wolcott22
- Yuma22
- Akron21
- Archuleta21
- Aspen21
- Basalt21
- Bennett21
- Berthoud21
- Boulder County21
- Broomfield21
- Byers21
- Colorado City21
- Colorado Springs21
- Dolores21
- Eads21
- Elbert County21
- Gunbarrel21
- Hudson21
- Keenesburg21
- Lake City21
- Limon21
- Lochbuie21
- Lyons21
- Ouray County21
- Paonia21
- Parker21
- Strasburg21
- Walden21
- Wheat Ridge21
- Aristocrat Ranchettes20
- Bayfield20
- Brighton20
- Brush20
- Cattle Creek20
- Conejos20
- Eldorado Springs20
- Fairmount20
- Fort Collins20
- Fort Lupton20
- Frisco20
- Genesee20
- Gilcrest20
- Granby20
- Gunnison20
- Kersey20
- La Salle20
- Las Animas20
- New Castle20
- Silverton20
- Steamboat Springs20
- Superior20
- Crook19
- Dacono19
- Durango19
- Evans19
- Firestone19
- Greenwood Village19
- Gypsum19
- Ignacio19
- Kiowa19
- Milliken19
- Montezuma County19
- Oak Creek19
- Silverthorne19
- Sterling19
- Todd Creek19
- Twin Lakes19
- Weld19
- Ault18
- Cañon City18
- Cascade-Chipita Park18
- Cherry Creek18
- Derby18
- Dove Valley18
- Eagle18
- Ellicott18
- Federal Heights18
- Frederick18
- Inverness18
- Mead18
- Meridian Village18
- Niwot18
- Northglenn18
- Rangely18
- Rocky Ford18
- Severance18
- Sherrelwood18
- Stonegate18
- The Pinery18
- Acres Green17
- Alamosa East17
- Berkley17
- Carbondale17
- Fowler17
- Glenwood Springs17
- Hayden17
- Lone Tree17
- Meridian17
- Ponderosa Park17
- Shaw Heights17
- Snowmass Village17
- Castle Pines Village16
- Cimarron Hills16
- Craig16
- Crested Butte16
- Fountain16
- Laporte16
- Littleton16
- Loma16
- Monte Vista16
- Orchard City16
- Security-Widefield16
- Sheridan16
- Walsenburg16
- Collbran15
- Mountain Village15
- Stratmoor15
- Air Force Academy14
- Alamosa14
- Applewood14
- Battlement Mesa14
- Beulah Valley14
- Center14
- Columbine14
- Ken Caryl14
- Louviers14
- Monument14
- Olathe14
- Palmer Lake14
- Penrose14
- Perry Park14
- Telluride14
- West Pleasant View14
- Lincoln Park13
- Silt13
- Aspen Park12
- Central12
- Coal Creek12
- Cripple Creek12
- El Jebel12
- Florissant12
- Garfield12
- Georgetown12
- Kittredge12
- Leadville North12
- Mineral12
- Minturn12
- Mount Crested Butte12
- Park12
- Rio Blanco12
- Routt12
- Upper Bear Creek12
- Glen Eden11
- Hot Sulphur Springs10
- Cherry Hills Village7
- Columbine Valley6
- Glendale2
- Dakota Ridge0
- Teller0