Site | State | PM AQI* (ug/m3) |
Custer-Loomis (SO-AQS) | WA | 13 |
Maple Falls-Azure Way | WA | 13 |
Sweet Home - Fire Department | OR | 13 |
Marysville-7th Ave | WA | 12 |
Seattle-Duwamish | WA | 11 |
Colville-E 1st St | WA | 11 |
Inchelium | WA | 11 |
Roseburg - Garden Valley Blvd. | OR | 11 |
Shelton-W Franklin | WA | 10 |
Klamath Falls - Peterson Sc... | OR | 10 |