Site | State | PM AQI* (ug/m3) |
Maple Falls-Azure Way | WA | 8 |
Custer-Loomis (SO-AQS) | WA | 7 |
Marysville-7th Ave | WA | 6 |
Seattle-Duwamish | WA | 6 |
Seattle-South Park | WA | 6 |
Seattle-10th & Weller | WA | 6 |
Anacortes-202 Ave (SO-AQS) | WA | 5 |
CTCLUSI Radar Hill-OR | OR | 5 |
Bellingham Pacifc | WA | 4 |
Auburn M St SE | WA | 4 |