Site | State | PM AQI* (ug/m3) |
John Day Dayton St | OR | 10 |
Maple Falls-Azure Way | WA | 10 |
Twisp-Glover St | WA | 9 |
Salem - State Hospital | OR | 8 |
Toppenish-Yakama Tribe | WA | 7 |
Yakima-4th Ave | WA | 7 |
Sunnyside-S 16th | WA | 7 |
Seattle-10th & Weller | WA | 7 |
Seattle-South Park | WA | 6 |
Burns - Washington St. | OR | 6 |