Site | State | PM AQI* (ug/m3) |
Omak-Colville Tribe | WA | 24 |
John Day Dayton St | OR | 21 |
Maple Falls-Azure Way | WA | 20 |
Sunnyside-S 16th | WA | 17 |
Marysville-7th Ave | WA | 14 |
Burns - Washington St. | OR | 13 |
Toppenish-Yakama Tribe | WA | 12 |
Colville-E 1st St | WA | 12 |
Seattle-South Park | WA | 12 |
Darrington-Fir St | WA | 12 |