Site | State | PM AQI* (ug/m3) |
Seattle-Duwamish | WA | 9 |
Seattle-10th & Weller | WA | 9 |
Burns - Washington St. | OR | 9 |
Toppenish-Yakama Tribe | WA | 8 |
Seattle-South Park | WA | 7 |
Salem - State Hospital | OR | 7 |
Tacoma-Alexander Ave | WA | 7 |
Vancouver-NE 84th Ave | WA | 7 |
Tacoma-L St | WA | 6 |
Sunnyside-S 16th | WA | 6 |