Site | State | PM AQI* (ug/m3) |
Omak-Colville Tribe | WA | 6 |
Seattle-South Park | WA | 6 |
Portland Near Road | OR | 5 |
Portland - SE Lafayette | OR | 5 |
Seattle-Duwamish | WA | 5 |
John Day Dayton St | OR | 5 |
Portland Cully Helensview S... | OR | 5 |
Marysville-7th Ave | WA | 5 |
Mt Vernon-S 2nd St | WA | 5 |
Colbert-Greenbluff | WA | 5 |