Site | State | PM AQI* (ug/m3) |
Marysville-7th Ave | WA | 7 |
Seattle-South Park | WA | 6 |
Custer-Loomis (SO-AQS) | WA | 6 |
Colville-E 1st St | WA | 5 |
Omak-Colville Tribe | WA | 5 |
Spokane-E Broadway Ave (US) | WA | 4 |
Eugene - Wilkes Dr. | OR | 4 |
Tacoma-S 36th St | WA | 4 |
Tukwila_Allentown | WA | 4 |
Portland Near Road | OR | 4 |