Site | State | PM AQI* (ug/m3) |
Winthrop-Chewuch Rd | WA | 13 |
Port Angeles-E 5th St | WA | 12 |
CTCLUSI Radar Hill-OR | OR | 12 |
Maple Falls-Azure Way | WA | 11 |
Provolt - Seed Orchard | OR | 10 |
John Day Dayton St | OR | 9 |
Omak-Colville Tribe | WA | 9 |
Coos Bay Marshfield HS | OR | 8 |
Grants Pass - Parkside School | OR | 8 |
Medford Welch & Jackson | OR | 8 |