Site | State | PM AQI* (ug/m3) |
Omak-Colville Tribe | WA | 20 |
Colville-E 1st St | WA | 15 |
Burns - Washington St. | OR | 14 |
Clarkston-13th St | WA | 14 |
John Day Dayton St | OR | 13 |
Sunnyside-S 16th | WA | 13 |
Twisp-Glover St | WA | 11 |
Seattle-Duwamish | WA | 11 |
Cave Junction Forest Service | OR | 11 |
Winthrop-Chewuch Rd | WA | 11 |