Site | State | PM AQI* (ug/m3) |
Twisp-Ewell St | WA | 7 |
Port Angeles-E 5th St | WA | 5 |
Seattle-South Park | WA | 4 |
Maple Falls-Azure Way | WA | 4 |
Clarkston-13th St | WA | 4 |
Colbert-Greenbluff | WA | 4 |
Seattle-10th & Weller | WA | 4 |
Medford Welch & Jackson | OR | 4 |
Enterprise - US Forest Service | OR | 4 |
Anacortes-202 Ave (SO-AQS) | WA | 3 |