Site | State | PM AQI* (ug/m3) |
Burns - Washington St. | OR | 20 |
Salem - State Hospital | OR | 19 |
Madras - Westside School | OR | 18 |
Yacolt-Yacolt Rd | WA | 16 |
John Day Dayton St | OR | 16 |
Yakima-4th Ave | WA | 16 |
Tacoma-L St | WA | 16 |
Maple Falls-Azure Way | WA | 16 |
Hillsboro - Hare Field | OR | 15 |
Medford Welch & Jackson | OR | 14 |