Cities with the Cleanest Air in Oregon.
Cities in Oregon with the most good AQI days per year.
58 cities ranked · See the national list
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| # | City | Good AQI Days |
|---|---|---|
| 1 | St. Helens | 338 days/yr |
| 2 | Bend | 326 days/yr |
| 3 | Redmond | 326 days/yr |
| 4 | Lake Oswego | 318 days/yr |
| 5 | Oregon City | 318 days/yr |
| 6 | Wilsonville | 318 days/yr |
| 7 | West Linn | 318 days/yr |
| 8 | Happy Valley | 318 days/yr |
| 9 | Milwaukie | 318 days/yr |
| 10 | Canby | 318 days/yr |
| 11 | Oak Grove | 318 days/yr |
| 12 | Oatfield | 318 days/yr |
| 13 | Sandy | 318 days/yr |
| 14 | Gladstone | 318 days/yr |
| 15 | Damascus | 318 days/yr |
| 16 | Molalla | 318 days/yr |
| 17 | The Dalles | 315 days/yr |
| 18 | Baker City | 304 days/yr |
| 19 | La Grande | 298 days/yr |
| 20 | Salem | 292 days/yr |
| 21 | Albany | 292 days/yr |
| 22 | Keizer | 292 days/yr |
| 23 | Woodburn | 292 days/yr |
| 24 | Hayesville | 292 days/yr |
| 25 | Lebanon | 292 days/yr |
| 26 | Four Corners | 292 days/yr |
| 27 | Silverton | 292 days/yr |
| 28 | Hillsboro | 289 days/yr |
| 29 | Beaverton | 289 days/yr |
| 30 | Tigard | 289 days/yr |
| 31 | Aloha | 289 days/yr |
| 32 | Bethany | 289 days/yr |
| 33 | Tualatin | 289 days/yr |
| 34 | Forest Grove | 289 days/yr |
| 35 | Sherwood | 289 days/yr |
| 36 | Cedar Mill | 289 days/yr |
| 37 | Cornelius | 289 days/yr |
| 38 | Oak Hills | 289 days/yr |
| 39 | Portland | 283 days/yr |
| 40 | Gresham | 283 days/yr |
| 41 | Troutdale | 283 days/yr |
| 42 | Fairview | 283 days/yr |
| 43 | Prineville | 266 days/yr |
| 44 | Hermiston | 260 days/yr |
| 45 | Pendleton | 260 days/yr |
| 46 | Coos Bay | 260 days/yr |
| 47 | North Bend | 260 days/yr |
| 48 | Grants Pass | 249 days/yr |
| 49 | Medford | 242 days/yr |
| 50 | Ashland | 242 days/yr |
| 51 | Central Point | 242 days/yr |
| 52 | White City | 242 days/yr |
| 53 | Klamath Falls | 235 days/yr |
| 54 | Altamont | 235 days/yr |
| 55 | Eugene | 206 days/yr |
| 56 | Springfield | 206 days/yr |
| 57 | Cottage Grove | 206 days/yr |
| 58 | Santa Clara | 206 days/yr |
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