Colorado Air Quality by City
Air-quality pages for all 477 Colorado cities in the corpus, from Denver (2,714,768 people) on down. Each page leads with the live AQI, the main pollutant driving it, and a go/no-go for outdoor exercise on the EPA scale.
All cities in Colorado
- Denver2,714,768
- Colorado Springs643,336
- Aurora394,432
- Fort Collins336,364
- Lakewood156,583
- Thornton144,187
- Grand Junction140,777
- Greeley139,842
- Arvada122,634
- Pueblo121,976
- Boulder120,289
- Westminster115,484
- Centennial108,201
- Longmont102,512
- Highlands Ranch102,257
- Lafayette99,552
- Castle Rock79,123
- Loveland78,410
- Broomfield76,304
- Commerce City66,445
- Parker61,783
- Littleton44,710
- Brighton42,059
- Northglenn38,014
- Windsor37,914
- Security-Widefield37,345
- Pueblo West35,681
- Englewood34,129
- Erie33,808
- Dakota Ridge33,753
- Ken Caryl33,233
- Wheat Ridge32,070
- Fountain29,300
- Columbine25,478
- Four Square Mile23,024
- Evans22,396
- Montrose21,044
- Louisville20,786
- Golden20,417
- Cimarron Hills19,817
- Clifton19,518
- Durango19,411
- Johnstown18,883
- Sherrelwood18,692
- Firestone18,049
- Fort Carson18,019
- Cañon City17,122
- Frederick16,651
- Welby16,197
- Black Forest15,738
- Greenwood Village15,420
- Lone Tree14,147
- Federal Heights14,125
- Fruita13,691
- Steamboat Springs13,433
- Castle Pines13,388
- Superior13,305
- Sterling13,172
- Berthoud12,411
- The Pinery11,871
- Wellington11,798
- Monument11,735
- Fort Morgan11,605
- Berkley10,789
- Edwards10,785
- Cherry Creek10,721
- Rifle10,570
- Glenwood Springs10,241
- Severance10,130
- Gunbarrel10,051
- Fairmount9,902
- Alamosa9,879
- Delta9,421
- Roxborough Park9,085
- Craig8,991
- Cortez8,976
- Timnath8,941
- Gypsum8,941
- Woodmoor8,934
- Stonegate8,906
- Fort Lupton8,897
- Milliken8,871
- Redlands8,868
- Lochbuie8,609
- Evergreen8,602
- Derby8,453
- Applewood8,350
- Trinidad8,286
- Twin Lakes8,030
- Fruitvale8,019
- Woodland Park7,949
- Lamar7,611
- Eagle7,442
- La Junta7,140
- Orchard Mesa6,945
- Gunnison6,766
- Aspen6,756
- Air Force Academy6,727
- Carbondale6,637
- Dacono6,530
- Gleneagle6,440
- Cherry Hills Village6,354
- Sheridan6,005
- Avon5,972
- Mead5,919
- Eaton5,867
- Salida5,861
- Estes Park5,844
- Battlement Mesa5,755
- Meridian5,634
- Shaw Heights5,565
- Stratmoor5,412
- Todd Creek5,379
- Brush5,306
- West Pleasant View5,051
- Breckenridge4,959
- Edgewater4,932
- New Castle4,880
- Silverthorne4,815
- Dove Valley4,806
- Manitou Springs4,735
- Vail4,613
- Glendale4,531
- Castle Pines Village4,436
- Basalt4,335
- Sterling Ranch4,213
- Monte Vista4,141
- Penrose4,087
- Lincoln Park3,986
- Florence3,885
- Rocky Ford3,815
- Genesee3,778
- Bennett3,663
- Sierra Ridge3,663
- Silt3,642
- Yuma3,459
- Strasburg3,455
- Ponderosa Park3,453
- Niwot3,447
- Orchard City3,221
- Burlington3,152
- Stepping Stone3,137
- Walsenburg3,072
- La Salle3,061
- Buena Vista3,010
- Snowmass Village2,972
- El Jebel2,941
- Inverness2,934
- Platteville2,928
- Bayfield2,901
- Frisco2,825
- Meridian Village2,699
- Acres Green2,639
- Palmer Lake2,623
- Leadville2,620
- Park Center2,588
- Palisade2,584
- Meeker2,580
- Holly Hills2,572
- Las Animas2,540
- Rangely2,466
- Ault2,425
- Cedaredge2,398
- Holyoke2,382
- Keenesburg2,347
- Coal Creek2,346
- Granby2,270
- Elizabeth2,244
- Mountain Village2,185
- Telluride2,160
- Center2,120
- Wray2,114
- Pagosa Springs2,090
- Hayden2,057
- Columbine Valley2,047
- Hudson2,006
- Idaho Springs1,986
- Lyons1,838
- Kremmling1,807
- Olathe1,793
- Laporte1,771
- Aristocrat Ranchettes1,747
- Byers1,726
- Akron1,722
- Limon1,678
- Paonia1,661
- Nederland1,655
- Del Norte1,653
- Colorado City1,615
- Perry Park1,570
- Wiggins1,564
- Ordway1,528
- Parachute1,422
- Leadville North1,417
- Cascade-Chipita Park1,412
- Blue River1,410
- Fraser1,405
- Ellicott1,404
- Springfield1,384
- Loma1,350
- Dotsero1,306
- Alamosa East1,298
- Deer Trail1,275
- Ignacio1,250
- Ridgway1,237
- Crested Butte1,229
- Hotchkiss1,224
- Keystone1,216
- Pierce1,201
- Julesburg1,181
- Mancos1,174
- Sanford1,142
- Hot Sulphur Springs1,108
- Towaoc1,078
- Fairplay1,067
- Kersey1,064
- Georgetown1,053
- Bow Mar1,047
- Gilcrest1,026
- Aetna Estates1,010
- Minturn993
- Indian Hills986
- Ouray985
- Cheyenne Wells979
- Haxtun978
- Hugo970
- Howard966
- Log Lane Village964
- Poncha Springs959
- Cripple Creek955
- Upper Bear Creek954
- Fowler936
- Manassa932
- Dolores918
- Silver Cliff863
- Watkins847
- Winter Park844
- Floyd Hill841
- Salt Creek832
- Dillon832
- East Pleasant View832
- Allenspark825
- Mount Crested Butte823
- Kittredge812
- La Veta804
- Lazy Acres778
- Williamsburg770
- Beulah Valley751
- Aspen Park742
- Upper Witter Gulch731
- South Fork724
- Stratton716
- Oak Creek700
- Rockvale695
- Eads677
- Kiowa673
- Empire672
- Paragon Estates667
- Holly665
- Foxfield659
- Dove Creek651
- Silverton637
- Flagler635
- Blende623
- Calhan620
- Loghill Village618
- Fleming614
- Mountain View609
- Nucla598
- Naturita589
- Altona587
- Saguache579
- Antonito579
- Walden573
- Grand View Estates567
- Lake City561
- San Luis560
- Olney Springs557
- Pine Brook Hill543
- Coaldale538
- North La Junta535
- La Jara522
- Otis521
- Dinosaur507
- Walsh492
- Sugarloaf474
- Franktown472
- Ovid468
- Tabernash466
- Eldora465
- Sugar City464
- Green Mountain Falls459
- De Beque458
- Chacra457
- St. Ann Highlands453
- Crawford448
- Granada447
- Fort Garland446
- Simla423
- Swink422
- Wiley422
- Westcliffe419
- Rico414
- Mulford413
- Morrison412
- Vineland410
- Aguilar401
- Garden City401
- Cattle Creek396
- Pine Valley392
- Phippsburg390
- Redvale389
- Arboles389
- Victor388
- Romeo387
- Alma385
- Tall Timber382
- Norwood381
- Red Feather Lakes365
- Manzanola361
- Nunn358
- Collbran356
- Brook Forest355
- Copper Mountain353
- Downieville-Lawson-Dumont345
- Avondale338
- Placerville333
- Grand Lake333
- Eckley332
- Gerrard332
- Sunshine330
- Jamestown324
- Eldorado Springs320
- Marble309
- Red Cliff308
- Arriba307
- Idledale297
- Yampa296
- Louviers294
- North Washington294
- Merino286
- Hillrose285
- City of Creede285
- Comanche Creek283
- Morgan Heights281
- Lewis277
- Brookside276
- Kit Carson273
- No Name269
- Iliff268
- Crisman268
- Peetz265
- Rollinsville264
- Boone262
- Catherine255
- Jackson Lake238
- Westcreek237
- Maysville235
- Blanca230
- Crowley219
- Bethune218
- Bark Ranch199
- Sedgwick198
- Lazear196
- Florissant192
- Genoa190
- Vona189
- Cheraw188
- Smeltertown188
- Nathrop187
- Capulin185
- Vilas184
- Seven Hills183
- Midland182
- Mountain Meadows180
- Echo Hills180
- Gold Hill178
- Grover164
- Elbert164
- Gardner162
- Cokedale161
- Goldfield160
- Crook157
- Hooper152
- El Moro151
- Redstone144
- Segundo143
- Pritchett142
- Peyton139
- Seibert138
- Pitkin131
- Larkspur131
- Johnson Village129
- McClave128
- Silver Plume127
- Ramah127
- Hasty125
- Portland125
- Crestone123
- Rye121
- Montezuma120
- Ophir120
- Blue Valley120
- La Junta Gardens112
- Woody Creek109
- Colona108
- Black Hawk106
- Weldona106
- Brick Center105
- Joes105
- Ward103
- Starkville102
- Marvel100
- Rock Creek Park97
- Garfield93
- Idalia90
- Briggsdale88
- Orchard88
- Divide87
- Amherst82
- Jansen81
- Somerset79
- Raymer78
- Kim78
- Alpine75
- Peoria75
- St. Mary's68
- Southern Ute67
- Heeney63
- Branson62
- Atwood62
- Sheridan Lake61
- San Acacio61
- Campo58
- Cope58
- Piedra57
- Bonanza Mountain Estates56
- Moffat54
- Arapahoe53
- Haswell52
- Snyder51
- Stonewall Gap45
- Paoli43
- Cotopaxi41
- Hoehne40
- Sedalia37
- Towner36
- Maybell35
- Matheson34
- Hartman30
- Hidden Lake29
- Guffey29
- Valmont27
- Trail Side27
- Saddle Ridge27
- Valdez26
- Kirk26
- Parshall25
- Weston24
- Bonanza20
- Blue Sky19
- Two Buttes15
- Cathedral13
- Brandon8
- Padroni7
- Sawpit6
- Lakeside4
- Laird4
- Norrie0
- Hartsel0
- Vernon0
- McCoy0
- Lynn0
- Leyner0
- Conejos0
- Fulford0
- Wolcott0