Site | State | PM AQI* (ug/m3) |
Omak-Colville Tribe | WA | 10 |
John Day Dayton St | OR | 8 |
Wellpinit-Spokane Tribe | WA | 8 |
Mill City | OR | 7 |
Pomeroy-Pataha St | WA | 6 |
Eugene - Highway 99 | OR | 5 |
Seattle-South Park | WA | 5 |
Medford Welch & Jackson | OR | 5 |
Maple Falls-Azure Way | WA | 5 |
Colbert-Greenbluff | WA | 5 |