Site | State | PM AQI* (ug/m3) |
Seattle-South Park | WA | 7 |
Sunnyside-S 16th | WA | 6 |
Clarkston-13th St | WA | 6 |
Gresham Centennial HS | OR | 5 |
Mill City | OR | 5 |
Medford Welch & Jackson | OR | 5 |
Baker City - Forest Service | OR | 5 |
Portland McDaniel High School | OR | 5 |
Enterprise - US Forest Service | OR | 5 |
La Grande Hall & N Sts | OR | 4 |