Local Data Search
A total of 561 results found. Show Results on Map.
| Rank | Air Quality Index ▼ | City / Population |
| 1. | 53.1 | Vail, CO / 5,280 |
| 2. | 52.9 | Buffalo Creek, CO |
| 2. | 52.9 | Roxborough Park, CO / 9,273 |
| 2. | 52.9 | Perry Park, CO / 1,634 |
| 2. | 52.9 | Fulford, CO / 2 |
| 6. | 52.8 | Sedalia, CO / 101 |
| 6. | 52.8 | Louviers, CO / 157 |
| 8. | 52.5 | The Pinery, CO / 11,087 |
| 8. | 52.5 | Stonegate, CO / 8,755 |
| 8. | 52.5 | Parker, CO / 47,515 |
| 8. | 52.5 | Ponderosa Park, CO / 3,018 |
| 8. | 52.5 | Highlands Ranch, CO / 101,350 |
| 8. | 52.5 | Lone Tree, CO / 12,328 |
| 8. | 52.5 | Columbine Valley, CO / 1,258 |
| 8. | 52.5 | Franktown, CO / 192 |
| 8. | 52.5 | Acres Green, CO / 3,035 |
| 8. | 52.5 | Littleton, CO / 43,710 |
| 8. | 52.5 | Castle Rock, CO / 51,802 |
| 8. | 52.5 | Grand View Estates, CO / 553 |
| 8. | 52.5 | Elizabeth, CO / 1,270 |
| 8. | 52.5 | Castle Pines, CO / 10,626 |
| 8. | 52.5 | Meridian, CO / 2,713 |
| 8. | 52.5 | Castle Pines North, CO / 10,360 |
| 24. | 52.4 | Carbondale, CO / 6,464 |
| 24. | 52.4 | Catherine, CO / 237 |
| 24. | 52.4 | Cattle Creek, CO / 853 |
| 24. | 52.4 | El Jebel, CO / 3,450 |
| 24. | 52.4 | Mulford, CO / 199 |
| 24. | 52.4 | Basalt, CO / 3,891 |
| 30. | 52.1 | Dove Valley, CO / 5,401 |
| 30. | 52.1 | Inverness, CO / 1,968 |
| 30. | 52.1 | Centennial, CO / 104,213 |
| 30. | 52.1 | Battlement Mesa, CO / 4,540 |
| 30. | 52.1 | Greenwood Village, CO / 14,546 |
| 30. | 52.1 | Parachute, CO / 1,172 |
| 36. | 51.5 | Gypsum, CO / 6,587 |
| 36. | 51.5 | Superior, CO / 12,716 |
| 36. | 51.5 | Avon, CO / 6,384 |
| 39. | 51.4 | Louisville, CO / 19,171 |
| 39. | 51.4 | Lafayette, CO / 25,812 |
| 41. | 51.3 | Glen Haven, CO |
| 41. | 51.3 | Eagle, CO / 6,511 |
| 41. | 51.3 | Wolcott, CO / 15 |
| 41. | 51.3 | Black Hawk, CO / 130 |
| 41. | 51.3 | Downieville-Lawson-Dumont, CO / 430 |
| 41. | 51.3 | Edwards, CO / 9,385 |
| 41. | 51.3 | Bellvue, CO |
| 41. | 51.3 | Drake, CO |
| 41. | 51.3 | Central City, CO / 681 |
| 41. | 51.3 | Silverthorne, CO / 4,009 |
| 41. | 51.3 | Idaho Springs, CO / 1,971 |
| 41. | 51.3 | Georgetown, CO / 1,069 |
| 41. | 51.3 | Empire, CO / 306 |
| 54. | 51.0 | Rifle, CO / 9,397 |
| 55. | 50.9 | Coal Creek, CO / 1,939 |
| 55. | 50.9 | Eldorado Springs, CO / 540 |
| 57. | 50.8 | Rangely, CO / 2,205 |
| 57. | 50.8 | Kirk, CO / 77 |
| 59. | 50.7 | New Castle, CO / 4,538 |
| 59. | 50.7 | No Name, CO / 192 |
| 59. | 50.7 | Glenwood Springs, CO / 9,668 |
| 59. | 50.7 | Chacra, CO / 476 |
| 59. | 50.7 | Dotsero, CO / 967 |
| 59. | 50.7 | Dumont, CO |
| 65. | 50.5 | Estes Park, CO / 6,022 |
| 65. | 50.5 | Coalmont, CO |
| 65. | 50.5 | Walden, CO / 527 |
| 65. | 50.5 | Cowdrey, CO |
| 65. | 50.5 | Rand, CO |
| 70. | 50.5 | Burns, CO |
| 70. | 50.5 | Bond, CO |
| 72. | 50.4 | Silt, CO / 2,946 |
| 73. | 50.3 | Collbran, CO / 604 |
| 73. | 50.3 | Hidden Lake, CO / 31 |
| 73. | 50.3 | Heeney, CO / 16 |
| 73. | 50.3 | De Beque, CO / 377 |
| 73. | 50.3 | Fraser, CO / 1,042 |
| 73. | 50.3 | Parshall, CO / 15 |
| 73. | 50.3 | Tabernash, CO / 290 |
| 73. | 50.3 | Kremmling, CO / 1,957 |
| 73. | 50.3 | Molina, CO |
| 73. | 50.3 | Granby, CO / 2,009 |
| 73. | 50.3 | Hot Sulphur Springs, CO / 718 |
| 73. | 50.3 | Grand Lake, CO / 321 |
| 73. | 50.3 | Cedaredge, CO / 2,429 |
| 73. | 50.3 | Ward, CO / 107 |
| 73. | 50.3 | Allenspark, CO / 632 |
| 88. | 50.2 | Steamboat Springs, CO / 12,044 |
| 89. | 50.1 | Eckert, CO |
| 89. | 50.1 | Orchard City, CO / 3,072 |
| 89. | 50.1 | Delta, CO / 8,801 |
| 89. | 50.1 | Cory, CO |
| 89. | 50.1 | Austin, CO |
| 89. | 50.1 | Mesa, CO |
| 95. | 50.0 | Lazear, CO |
| 95. | 50.0 | Mc Coy, CO |
| 95. | 50.0 | Mccoy, CO / 16 |
| 95. | 50.0 | Oak Creek, CO / 856 |
| 95. | 50.0 | Toponas, CO |
| 95. | 50.0 | Yampa, CO / 370 |
| 95. | 50.0 | Phippsburg, CO / 204 |
| 95. | 50.0 | Gateway, CO |
| 95. | 50.0 | Glade Park, CO |
| 104. | 49.9 | Lyons, CO / 2,225 |
| 104. | 49.9 | Golden, CO / 19,759 |
| 104. | 49.9 | Nucla, CO / 630 |
| 104. | 49.9 | Applewood, CO / 7,467 |
| 104. | 49.9 | West Pleasant View, CO / 3,598 |
| 104. | 49.9 | Olathe, CO / 1,591 |
| 104. | 49.9 | East Pleasant View, CO / 333 |
| 111. | 49.8 | Whitewater, CO |
| 111. | 49.8 | Grand Junction, CO / 59,731 |
| 111. | 49.8 | Saint Marys, CO / 113 |
| 111. | 49.8 | Erie, CO / 19,305 |
| 111. | 49.8 | Fruita, CO / 12,702 |
| 111. | 49.8 | Redlands, CO / 9,546 |
| 111. | 49.8 | Orchard Mesa, CO / 6,272 |
| 111. | 49.8 | Fruitvale, CO / 8,422 |
| 111. | 49.8 | Palisade, CO / 2,635 |
| 111. | 49.8 | Loma, CO / 1,442 |
| 111. | 49.8 | Mack, CO |
| 111. | 49.8 | Clifton, CO / 20,262 |
| 123. | 49.7 | Bedrock, CO |
| 123. | 49.7 | Paradox, CO |
| 125. | 49.6 | Pinecliffe, CO |
| 125. | 49.6 | Rollinsville, CO / 64 |
| 125. | 49.6 | Paragon Estates, CO / 768 |
| 128. | 49.5 | Naturita, CO / 399 |
| 128. | 49.5 | Bark Ranch, CO / 336 |
| 128. | 49.5 | Mead, CO / 3,781 |
| 131. | 49.5 | Fairmount, CO / 8,093 |
| 131. | 49.5 | Foxfield, CO / 678 |
| 133. | 49.4 | Longmont, CO / 88,547 |
| 133. | 49.4 | Firestone, CO / 10,908 |
| 133. | 49.4 | Leyner, CO / 31 |
| 133. | 49.4 | Niwot, CO / 4,732 |
| 133. | 49.4 | Frederick, CO / 9,636 |
| 133. | 49.4 | Hygiene, CO |
| 133. | 49.4 | Lake George, CO |
| 140. | 49.3 | Dinosaur, CO / 396 |
| 140. | 49.3 | Sawpit, CO / 36 |
| 140. | 49.3 | Almont, CO |
| 140. | 49.3 | Placerville, CO |
| 140. | 49.3 | Sargents, CO |
| 145. | 49.2 | Broomfield, CO / 59,027 |
| 145. | 49.2 | Como, CO |
| 145. | 49.2 | Ohio City, CO |
| 145. | 49.2 | Parlin, CO |
| 145. | 49.2 | Conifer, CO |
| 145. | 49.2 | Pine, CO |
| 151. | 49.1 | Cherry Creek, CO / 12,113 |
| 151. | 49.1 | Ken Caryl, CO / 32,944 |
| 153. | 49.0 | Saint Ann Highlands, CO / 363 |
| 153. | 49.0 | Glendale CDP, CO / 111 |
| 153. | 49.0 | Meeker, CO / 2,562 |
| 153. | 49.0 | Lazy Acres, CO / 996 |
| 153. | 49.0 | Gold Hill, CO / 237 |
| 153. | 49.0 | Altona, CO / 544 |
| 153. | 49.0 | Pine Brook Hill, CO / 1,214 |
| 153. | 49.0 | Bonanza Mountain Estates, CO / 123 |
| 153. | 49.0 | Valmont, CO / 124 |
| 153. | 49.0 | Gunbarrel, CO / 8,933 |
| 153. | 49.0 | Sequndo, CO / 129 |
| 153. | 49.0 | Boulder, CO / 102,002 |
| 153. | 49.0 | Mountain Meadows, CO / 173 |
| 153. | 49.0 | Sugarloaf, CO / 235 |
| 153. | 49.0 | Sunshine, CO / 182 |
| 153. | 49.0 | Columbine, CO / 24,724 |
| 153. | 49.0 | Tall Timber, CO / 193 |
| 153. | 49.0 | Crisman, CO / 278 |
| 153. | 49.0 | Eldora, CO / 124 |
| 153. | 49.0 | Nederland, CO / 1,417 |
| 173. | 48.8 | Breckenridge, CO / 4,604 |
| 173. | 48.8 | Floyd Hill, CO / 1,209 |
| 173. | 48.8 | Red Cliff, CO / 268 |
| 173. | 48.8 | Montezuma, CO / 57 |
| 173. | 48.8 | Norwood, CO / 536 |
| 173. | 48.8 | Keystone, CO / 1,243 |
| 173. | 48.8 | Copper Mountain, CO / 268 |
| 173. | 48.8 | Minturn, CO / 1,041 |
| 173. | 48.8 | Frisco, CO / 2,782 |
| 173. | 48.8 | Silver Plume, CO / 233 |
| 173. | 48.8 | Dillon, CO / 926 |
| 184. | 48.7 | Dove Creek, CO / 690 |
| 184. | 48.7 | Genesee, CO / 3,745 |
| 184. | 48.7 | Redvale, CO / 268 |
| 187. | 48.5 | Egnar, CO |
| 187. | 48.5 | Fairplay, CO / 929 |
| 187. | 48.5 | Granite, CO |
| 190. | 48.5 | Pitkin, CO / 65 |
| 191. | 48.4 | Winter Park, CO / 554 |
| 191. | 48.4 | Hartsel, CO |
| 191. | 48.4 | Johnson Village, CO / 276 |
| 191. | 48.4 | Larkspur, CO / 204 |
| 191. | 48.4 | Nathrop, CO |
| 191. | 48.4 | Buena Vista, CO / 2,675 |
| 197. | 48.3 | Hugo, CO / 654 |
| 198. | 48.2 | Stratmoor, CO / 7,209 |
| 198. | 48.2 | Silver Cliff, CO / 841 |
| 198. | 48.2 | Penrose, CO / 3,293 |
| 198. | 48.2 | Trinidad, CO / 8,657 |
| 198. | 48.2 | North La Junta, CO / 394 |
| 198. | 48.2 | Swink, CO / 775 |
| 198. | 48.2 | La Veta, CO / 867 |
| 198. | 48.2 | Simla, CO / 568 |
| 198. | 48.2 | Lincoln Park, CO / 3,294 |
| 198. | 48.2 | Las Animas, CO / 1,943 |
| 198. | 48.2 | La Junta Gardens, CO / 22 |
| 198. | 48.2 | Salida, CO / 5,329 |
| 198. | 48.2 | Smeltertown, CO / 122 |
| 198. | 48.2 | Westcreek, CO / 150 |
| 198. | 48.2 | Westcliffe, CO / 552 |
| 198. | 48.2 | Salt Creek, CO / 800 |
| 198. | 48.2 | Yoder, CO |
| 198. | 48.2 | Rye, CO / 221 |
| 198. | 48.2 | Palmer Lake, CO / 2,507 |
| 198. | 48.2 | Rocky Ford, CO / 3,925 |
| 198. | 48.2 | Walsenburg, CO / 2,959 |
| 198. | 48.2 | Pueblo, CO / 107,706 |
| 198. | 48.2 | Manzanola, CO / 385 |
| 198. | 48.2 | Lynn, CO / 12 |
| 198. | 48.2 | Pritchett, CO / 156 |
| 198. | 48.2 | Manitou Springs, CO / 5,175 |
| 198. | 48.2 | Olney Springs, CO / 527 |
| 198. | 48.2 | Monument, CO / 6,226 |
| 198. | 48.2 | Poncha Springs, CO / 1,190 |
| 198. | 48.2 | Pueblo West, CO / 30,655 |
| 198. | 48.2 | Ramah, CO / 91 |
| 198. | 48.2 | Maysville, CO / 55 |
| 198. | 48.2 | Rockvale, CO / 454 |
| 198. | 48.2 | Rock Creek Park, CO / 58 |
| 198. | 48.2 | Peyton, CO / 329 |
| 198. | 48.2 | Security-Widefield, CO / 33,566 |
| 198. | 48.2 | Vineland, CO / 121 |
| 198. | 48.2 | Midland, CO / 295 |
| 198. | 48.2 | Ordway, CO / 1,159 |
| 198. | 48.2 | Sugar City, CO / 485 |
| 198. | 48.2 | Victor, CO / 382 |
| 198. | 48.2 | La Junta, CO / 7,040 |
| 198. | 48.2 | Colorado City, CO / 1,801 |
| 198. | 48.2 | El Moro, CO / 367 |
| 198. | 48.2 | Gardner, CO |
| 198. | 48.2 | Fort Lyon, CO |
| 198. | 48.2 | Calhan, CO / 800 |
| 198. | 48.2 | Florence, CO / 3,875 |
| 198. | 48.2 | Model, CO |
| 198. | 48.2 | Monarch, CO |
| 198. | 48.2 | Fort Carson, CO / 14,766 |
| 198. | 48.2 | Fountain, CO / 26,881 |
| 198. | 48.2 | Fowler, CO / 1,184 |
| 198. | 48.2 | Garfield, CO / 12 |
| 198. | 48.2 | Brookside, CO / 268 |
| 198. | 48.2 | Boone, CO / 351 |
| 198. | 48.2 | Bonanza, CO / 9 |
| 198. | 48.2 | Gleneagle, CO / 6,870 |
| 198. | 48.2 | Goldfield, CO / 23 |
| 198. | 48.2 | Ellicott, CO / 771 |
| 198. | 48.2 | Elbert, CO / 174 |
| 198. | 48.2 | Canon City, CO / 16,410 |
| 198. | 48.2 | Colorado Springs, CO / 433,547 |
| 198. | 48.2 | Branson, CO / 38 |
| 198. | 48.2 | Coaldale, CO / 296 |
| 198. | 48.2 | Cotopaxi, CO / 7 |
| 198. | 48.2 | Karval, CO |
| 198. | 48.2 | Coal Creek town, CO / 311 |
| 198. | 48.2 | Crestone, CO / 148 |
| 198. | 48.2 | Cripple Creek, CO / 1,427 |
| 198. | 48.2 | Crowley, CO / 405 |
| 198. | 48.2 | Matheson, CO |
| 198. | 48.2 | Hillside, CO |
| 198. | 48.2 | Cimarron Hills, CO / 16,698 |
| 198. | 48.2 | Mc Clave, CO |
| 198. | 48.2 | Cheraw, CO / 202 |
| 198. | 48.2 | Cascade-Chipita Park, CO / 1,588 |
| 198. | 48.2 | Eads, CO / 545 |
| 198. | 48.2 | Blende, CO / 739 |
| 198. | 48.2 | Aguilar, CO / 563 |
| 198. | 48.2 | Jansen, CO / 158 |
| 198. | 48.2 | Woodmoor, CO / 8,155 |
| 198. | 48.2 | Divide, CO / 98 |
| 198. | 48.2 | Trinchera, CO |
| 198. | 48.2 | U S A F Academy, CO |
| 198. | 48.2 | Villa Grove, CO |
| 198. | 48.2 | Woodland Park, CO / 7,187 |
| 198. | 48.2 | Wetmore, CO |
| 198. | 48.2 | Williamsburg, CO / 647 |
| 198. | 48.2 | Kim, CO / 64 |
| 198. | 48.2 | Kiowa, CO / 915 |
| 198. | 48.2 | Wild Horse, CO |
| 198. | 48.2 | Kit Carson, CO / 317 |
| 198. | 48.2 | Guffey, CO / 65 |
| 198. | 48.2 | Wiley, CO / 359 |
| 198. | 48.2 | Air Force Academy, CO / 6,046 |
| 198. | 48.2 | Arlington, CO |
| 198. | 48.2 | Haswell, CO / 64 |
| 198. | 48.2 | Hasty, CO / 145 |
| 198. | 48.2 | Beulah, CO |
| 198. | 48.2 | Hoehne, CO / 119 |
| 198. | 48.2 | Florissant, CO / 53 |
| 198. | 48.2 | Beulah Valley, CO / 800 |
| 198. | 48.2 | Black Forest, CO / 12,959 |
| 198. | 48.2 | Avondale, CO / 739 |
| 198. | 48.2 | Green Mountain Falls, CO / 687 |
| 198. | 48.2 | Rush, CO |
| 198. | 48.2 | Howard, CO / 1,057 |
| 198. | 48.2 | Cascade, CO |
| 307. | 48.1 | Maybell, CO / 65 |
| 307. | 48.1 | Genoa, CO / 87 |
| 307. | 48.1 | Flagler, CO / 539 |
| 307. | 48.1 | Bethune, CO / 315 |
| 307. | 48.1 | Stratton, CO / 630 |
| 307. | 48.1 | Seibert, CO / 178 |
| 307. | 48.1 | Agate, CO |
| 307. | 48.1 | Limon, CO / 1,688 |
| 307. | 48.1 | Arriba, CO / 186 |
| 307. | 48.1 | Vona, CO / 58 |
| 317. | 48.0 | Crested Butte, CO / 1,451 |
| 318. | 47.9 | Livermore, CO |
| 318. | 47.9 | Red Feather Lakes, CO / 203 |
| 320. | 47.8 | Hudson, CO / 2,475 |
| 320. | 47.8 | Montrose, CO / 19,018 |
| 322. | 47.7 | Jamestown, CO / 266 |
| 323. | 47.6 | Masonville, CO |
| 323. | 47.6 | Laporte, CO / 2,878 |
| 323. | 47.6 | Hayden, CO / 1,788 |
| 326. | 47.5 | Bailey, CO |
| 326. | 47.5 | Hooper, CO / 79 |
| 326. | 47.5 | Blanca, CO / 464 |
| 326. | 47.5 | Mosca, CO |
| 326. | 47.5 | Twin Lakes CDP, CO / 153 |
| 326. | 47.5 | Shawnee, CO |
| 326. | 47.5 | Somerset, CO |
| 326. | 47.5 | Mancos, CO / 1,461 |
| 326. | 47.5 | Saguache, CO / 583 |
| 326. | 47.5 | Mesa Verde National Park, CO |
| 326. | 47.5 | Leadville North, CO / 1,600 |
| 326. | 47.5 | Leadville, CO / 2,590 |
| 326. | 47.5 | Alma, CO / 348 |
| 326. | 47.5 | Grant, CO |
| 326. | 47.5 | Jefferson, CO |
| 341. | 47.5 | Berkley, CO / 11,706 |
| 341. | 47.5 | Lakeside, CO / 4 |
| 341. | 47.5 | Pleasant View, CO |
| 341. | 47.5 | Yellow Jacket, CO |
| 341. | 47.5 | Lewis, CO / 451 |
| 341. | 47.5 | Arvada, CO / 109,800 |
| 341. | 47.5 | Wheat Ridge, CO / 30,655 |
| 341. | 47.5 | Cahone, CO |
| 341. | 47.5 | Cortez, CO / 8,515 |
| 341. | 47.5 | Dolores, CO / 987 |
| 341. | 47.5 | Edgewater, CO / 5,217 |
| 341. | 47.5 | Towaoc, CO / 985 |
| 341. | 47.5 | Mountain View, CO / 564 |
| 354. | 47.4 | Keenesburg, CO / 1,401 |
| 354. | 47.4 | Aristocrat Ranchettes, CO / 1,492 |
| 354. | 47.4 | Platteville, CO / 2,548 |
| 354. | 47.4 | Clark, CO |
| 358. | 47.3 | Dacono, CO / 4,355 |
| 359. | 47.1 | Thornton, CO / 124,707 |
| 359. | 47.1 | Westminster, CO / 109,296 |
| 359. | 47.1 | Hamilton, CO |
| 359. | 47.1 | Upper Bear Creek, CO / 1,040 |
| 359. | 47.1 | Meredith, CO |
| 359. | 47.1 | Shaw Heights, CO / 4,749 |
| 359. | 47.1 | Climax, CO |
| 359. | 47.1 | Eastlake, CO |
| 359. | 47.1 | Woody Creek, CO / 390 |
| 359. | 47.1 | Sherrelwood, CO / 19,275 |
| 359. | 47.1 | Northglenn, CO / 37,075 |
| 359. | 47.1 | Federal Heights, CO / 11,835 |
| 359. | 47.1 | Hotchkiss, CO / 1,011 |
| 359. | 47.1 | Kittredge, CO / 1,314 |
| 359. | 47.1 | Blue River, CO / 645 |
| 359. | 47.1 | Norrie, CO / 7 |
| 359. | 47.1 | Evergreen, CO / 8,690 |
| 359. | 47.1 | Aspen, CO / 6,700 |
| 359. | 47.1 | Idledale, CO / 267 |
| 378. | 46.9 | Cheyenne Wells, CO / 980 |
| 379. | 46.8 | Vilas, CO / 212 |
| 379. | 46.8 | Dakota Ridge, CO / 33,583 |
| 379. | 46.8 | Springfield, CO / 1,354 |
| 379. | 46.8 | Two Buttes, CO / 72 |
| 379. | 46.8 | Campo, CO / 39 |
| 379. | 46.8 | Brandon, CO / 32 |
| 379. | 46.8 | Aspen Park, CO / 780 |
| 379. | 46.8 | Lamar, CO / 7,810 |
| 387. | 46.7 | Craig, CO / 9,092 |
| 388. | 46.6 | Evans, CO / 19,535 |
| 388. | 46.6 | La Salle, CO / 2,559 |
| 388. | 46.6 | Gilcrest, CO / 982 |
| 388. | 46.6 | Milliken, CO / 5,837 |
| 388. | 46.6 | Berthoud, CO / 5,323 |
| 393. | 46.5 | Joes, CO / 60 |
| 393. | 46.5 | Otis, CO / 423 |
| 393. | 46.5 | Wiggins, CO / 962 |
| 393. | 46.5 | Laird, CO / 51 |
| 393. | 46.5 | Log Lane Village, CO / 894 |
| 393. | 46.5 | Saddle Ridge, CO / 40 |
| 393. | 46.5 | Morgan Heights, CO / 430 |
| 393. | 46.5 | Trail Side, CO / 59 |
| 393. | 46.5 | Vernon, CO / 13 |
| 393. | 46.5 | Wray, CO / 2,554 |
| 393. | 46.5 | Yuma, CO / 3,563 |
| 393. | 46.5 | Akron, CO / 1,906 |
| 393. | 46.5 | Roggen, CO |
| 393. | 46.5 | Brush, CO / 5,493 |
| 393. | 46.5 | Blue Sky, CO / 24 |
| 393. | 46.5 | Eckley, CO / 314 |
| 393. | 46.5 | Woodrow, CO |
| 393. | 46.5 | Cope, CO |
| 393. | 46.5 | Snyder, CO / 129 |
| 393. | 46.5 | Idalia, CO / 69 |
| 393. | 46.5 | Fort Morgan, CO / 11,397 |
| 393. | 46.5 | Hillrose, CO / 255 |
| 415. | 46.5 | Greeley, CO / 95,677 |
| 415. | 46.5 | Fort Garland, CO / 495 |
| 415. | 46.5 | Johnstown, CO / 11,639 |
| 415. | 46.5 | Valdez, CO / 22 |
| 415. | 46.5 | Cokedale, CO / 145 |
| 415. | 46.5 | Deer Trail, CO / 386 |
| 415. | 46.5 | Boncarbo, CO |
| 415. | 46.5 | Fort Lupton, CO / 7,595 |
| 415. | 46.5 | Moffat, CO / 134 |
| 415. | 46.5 | Starkville, CO / 39 |
| 415. | 46.5 | Segundo, CO / 125 |
| 415. | 46.5 | Peoria, CO / 70 |
| 427. | 46.4 | Gunnison, CO / 5,927 |
| 427. | 46.4 | Amherst, CO / 35 |
| 427. | 46.4 | Lakewood, CO / 145,880 |
| 427. | 46.4 | Englewood, CO / 31,298 |
| 427. | 46.4 | Slater, CO |
| 427. | 46.4 | San Luis, CO / 709 |
| 427. | 46.4 | Morrison, CO / 400 |
| 427. | 46.4 | Indian Hills, CO / 1,181 |
| 427. | 46.4 | Cherry Hills Village, CO / 6,234 |
| 436. | 46.3 | Byers, CO / 1,361 |
| 436. | 46.3 | Strasburg, CO / 2,999 |
| 438. | 46.2 | Redstone, CO / 10 |
| 438. | 46.2 | Chama, CO |
| 438. | 46.2 | Lindon, CO |
| 438. | 46.2 | Weldona, CO / 97 |
| 438. | 46.2 | Marble, CO / 104 |
| 438. | 46.2 | Snowmass, CO |
| 438. | 46.2 | Snowmass Village, CO / 2,852 |
| 438. | 46.2 | Mount Crested Butte, CO / 799 |
| 446. | 46.0 | Ovid, CO / 330 |
| 446. | 46.0 | Crook, CO / 108 |
| 446. | 46.0 | Paoli, CO / 50 |
| 446. | 46.0 | Holyoke, CO / 2,339 |
| 446. | 46.0 | Fleming, CO / 548 |
| 446. | 46.0 | Peetz, CO / 236 |
| 446. | 46.0 | Fort Collins, CO / 149,627 |
| 446. | 46.0 | Haxtun, CO / 899 |
| 446. | 46.0 | Atwood, CO / 206 |
| 446. | 46.0 | Julesburg, CO / 1,176 |
| 446. | 46.0 | Merino, CO / 243 |
| 446. | 46.0 | Sedgwick, CO / 184 |
| 446. | 46.0 | Windsor, CO / 19,865 |
| 446. | 46.0 | Loveland, CO / 70,093 |
| 446. | 46.0 | Timnath, CO / 1,210 |
| 461. | 45.9 | Burlington, CO / 4,084 |
| 462. | 45.8 | Sheridan, CO / 5,819 |
| 462. | 45.8 | Orchard, CO / 88 |
| 462. | 45.8 | Jackson Lake, CO / 168 |
| 462. | 45.8 | Todd Creek, CO / 3,673 |
| 466. | 45.7 | Center, CO / 2,077 |
| 466. | 45.7 | Alamosa East, CO / 1,671 |
| 466. | 45.7 | Brick Center, CO / 37 |
| 466. | 45.7 | Anton, CO |
| 466. | 45.7 | Weston, CO / 73 |
| 466. | 45.7 | Comanche Creek, CO / 366 |
| 466. | 45.7 | Stonewall Gap, CO / 81 |
| 473. | 45.6 | Severance, CO / 3,352 |
| 473. | 45.6 | Lucerne, CO |
| 473. | 45.6 | Stoneham, CO |
| 473. | 45.6 | Carr, CO |
| 473. | 45.6 | Hereford, CO |
| 473. | 45.6 | Galeton, CO |
| 473. | 45.6 | Raymer, CO / 91 |
| 473. | 45.6 | Ault, CO / 1,558 |
| 473. | 45.6 | Pierce, CO / 914 |
| 473. | 45.6 | Gill, CO |
| 473. | 45.6 | New Raymer, CO |
| 473. | 45.6 | Eaton, CO / 4,570 |
| 473. | 45.6 | Grover, CO / 79 |
| 473. | 45.6 | Padroni, CO / 133 |
| 473. | 45.6 | Wellington, CO / 6,634 |
| 473. | 45.6 | Sterling, CO / 14,709 |
| 473. | 45.6 | Iliff, CO / 239 |
| 473. | 45.6 | Briggsdale, CO |
| 473. | 45.6 | Nunn, CO / 491 |
| 473. | 45.6 | Kersey, CO / 1,533 |
| 473. | 45.6 | Garden City, CO / 223 |
| 494. | 45.5 | Bow Mar, CO / 1,062 |
| 495. | 45.4 | Crawford, CO / 310 |
| 495. | 45.4 | Paonia, CO / 1,351 |
| 497. | 45.3 | Bennett, CO / 1,898 |
| 497. | 45.3 | Cimarron, CO |
| 497. | 45.3 | Colona, CO / 14 |
| 497. | 45.3 | Powderhorn, CO |
| 497. | 45.3 | Loghill Village, CO / 373 |
| 502. | 45.0 | Lochbuie, CO / 5,127 |
| 502. | 45.0 | Alamosa, CO / 9,427 |
| 502. | 45.0 | Aetna Estates, CO / 1,031 |
| 505. | 44.9 | Rico, CO / 187 |
| 506. | 44.8 | Pagosa Springs, CO / 1,835 |
| 506. | 44.8 | Sanford, CO / 865 |
| 506. | 44.8 | Monte Vista, CO / 4,394 |
| 506. | 44.8 | Conejos, CO / 114 |
| 506. | 44.8 | Chromo, CO |
| 506. | 44.8 | Homelake, CO |
| 506. | 44.8 | Antonito, CO / 774 |
| 506. | 44.8 | Manassa, CO / 1,031 |
| 506. | 44.8 | Capulin, CO / 73 |
| 506. | 44.8 | Romeo, CO / 335 |
| 506. | 44.8 | La Jara, CO / 835 |
| 517. | 44.7 | San Acacio, CO / 11 |
| 517. | 44.7 | Lake City, CO / 366 |
| 517. | 44.7 | Telluride, CO / 1,856 |
| 517. | 44.7 | Alpine, CO / 137 |
| 517. | 44.7 | Bayfield, CO / 2,435 |
| 517. | 44.7 | Ridgway, CO / 990 |
| 517. | 44.7 | Mountain Village, CO / 1,291 |
| 517. | 44.7 | Cathedral, CO / 16 |
| 517. | 44.7 | Ophir, CO / 173 |
| 517. | 44.7 | Ouray, CO / 796 |
| 517. | 44.7 | Silverton, CO / 609 |
| 517. | 44.7 | Creede, CO / 412 |
| 517. | 44.7 | Gerrard, CO / 138 |
| 517. | 44.7 | Glendale, CO / 4,564 |
| 517. | 44.7 | South Fork, CO / 675 |
| 517. | 44.7 | Del Norte, CO / 1,987 |
| 517. | 44.7 | Piedra, CO / 59 |
| 517. | 44.7 | City Of Creede, CO / 188 |
| 517. | 44.7 | Portland, CO / 192 |
| 536. | 44.5 | Commerce City, CO / 48,792 |
| 536. | 44.5 | Derby, CO / 8,638 |
| 536. | 44.5 | Dupont, CO |
| 536. | 44.5 | Watkins, CO / 653 |
| 536. | 44.5 | Brighton, CO / 35,004 |
| 536. | 44.5 | Twin Lakes, CO / 6,332 |
| 536. | 44.5 | Arboles, CO / 263 |
| 536. | 44.5 | Henderson, CO |
| 536. | 44.5 | Welby, CO / 16,273 |
| 545. | 44.4 | Holly Hills, CO / 2,584 |
| 545. | 44.4 | Hesperus, CO |
| 545. | 44.4 | Marvel, CO |
| 548. | 44.1 | Southern Ute, CO / 156 |
| 548. | 44.1 | Ignacio, CO / 832 |
| 550. | 44.0 | North Washington, CO / 303 |
| 551. | 43.9 | Durango, CO / 17,268 |
| 552. | 43.5 | Aurora, CO / 339,480 |
| 553. | 43.4 | Denver, CO / 633,777 |
| 554. | 43.3 | Jaroso, CO |
| 555. | 43.0 | Hartman, CO / 63 |
| 555. | 43.0 | Towner, CO / 60 |
| 555. | 43.0 | Granada, CO / 543 |
| 555. | 43.0 | Sheridan Lake, CO / 81 |
| 555. | 43.0 | Holly, CO / 845 |
| 560. | 42.8 | Arapahoe, CO |
| 561. | 42.5 | Walsh, CO / 703 |
Please note that we only rank locations with 'Air Quality Index' data. The rank above might not be a complete list. Locations without 'Air Quality Index' data are not listed.