Site | State | PM AQI* (ug/m3) |
Clarkston-13th St | WA | 7 |
Baker City - Forest Service | OR | 7 |
Seattle-South Park | WA | 7 |
John Day Dayton St | OR | 7 |
Tacoma-Alexander Ave | WA | 7 |
Enterprise - US Forest Service | OR | 6 |
Colville-E 1st St | WA | 6 |
Inchelium | WA | 6 |
Sunnyside-S 16th | WA | 6 |
Klamath Falls - Peterson Sc... | OR | 6 |