Site | State | PM AQI* (ug/m3) |
Maple Falls-Azure Way | WA | 58 |
Tacoma-L St | WA | 38 |
Darrington-Fir St | WA | 38 |
Klamath Falls - Peterson Sc... | OR | 28 |
Tacoma-S 36th St | WA | 26 |
Madras - Westside School | OR | 24 |
Kent-James & Central | WA | 23 |
Hillsboro - Hare Field | OR | 23 |
Lakeview - Center & M | OR | 21 |
Pendleton - McKay Creek | OR | 20 |