Site | State | PM AQI* (ug/m3) |
Sunnyside-S 16th | WA | 8 |
Seattle-10th & Weller | WA | 7 |
Seattle-South Park | WA | 6 |
Omak-Colville Tribe | WA | 6 |
Medford Welch & Jackson | OR | 5 |
Auburn 29th St | WA | 5 |
Colbert-Greenbluff | WA | 4 |
Lake Forest Park-Town Center | WA | 4 |
Marysville-7th Ave | WA | 4 |
Seattle-Duwamish | WA | 4 |