Site | State | PM AQI* (ug/m3) |
Marysville-7th Ave | WA | 10 |
Seattle-10th & Weller | WA | 9 |
Seattle-Duwamish | WA | 8 |
Tacoma-S 36th St | WA | 8 |
Seattle-South Park | WA | 8 |
Darrington-Fir St | WA | 8 |
Sunnyside-S 16th | WA | 7 |
Bremerton-Spruce Ave | WA | 7 |
Portland Near Road | OR | 7 |
Kent-James & Central | WA | 7 |