Site | State | PM AQI* (ug/m3) |
John Day Dayton St | OR | 9 |
Maple Falls-Azure Way | WA | 6 |
Seattle-South Park | WA | 4 |
Omak-Colville Tribe | WA | 4 |
Baker City - Forest Service | OR | 4 |
Darrington-Fir St | WA | 4 |
Colbert-Greenbluff | WA | 4 |
Anacortes-202 Ave (SO-AQS) | WA | 3 |
Portland SE 12th and Salmon | OR | 3 |
Port Angeles-E 5th St | WA | 3 |