Site | State | PM AQI* (ug/m3) |
Hillsboro - Hare Field | OR | 18 |
Portland Near Road | OR | 18 |
Vancouver-NE 84th Ave | WA | 16 |
Lyons | OR | 16 |
Grants Pass - Parkside School | OR | 16 |
Portland - SE Lafayette | OR | 15 |
John Day Dayton St | OR | 15 |
Cave Junction Forest Service | OR | 14 |
Marysville-7th Ave | WA | 14 |
Lakeview - Center & M | OR | 14 |