Site | State | PM AQI* (ug/m3) |
Baker City - Forest Service | OR | 19 |
Seattle-10th & Weller | WA | 14 |
Seattle-Duwamish | WA | 13 |
Tacoma-S 36th St | WA | 12 |
Portland - SE Lafayette | OR | 11 |
Marysville-7th Ave | WA | 11 |
Tacoma-L St | WA | 10 |
Sunnyside-S 16th | WA | 10 |
Spokane-E Broadway Ave (US) | WA | 10 |
Seattle-Beacon Hill | WA | 9 |