Site | State | PM AQI* (ug/m3) |
John Day Dayton St | OR | 21 |
Omak-Colville Tribe | WA | 16 |
Brewster Mobile | WA | 14 |
Ontario May Roberts Element... | OR | 12 |
Colville-E 1st St | WA | 10 |
Maple Falls-Azure Way | WA | 9 |
Baker City - Forest Service | OR | 9 |
Twisp-Ewell St | WA | 7 |
Enterprise - US Forest Service | OR | 7 |
Sunnyside-S 16th | WA | 7 |