Site | State | PM AQI* (ug/m3) |
Anacortes-Bartholomew Rd (US) | WA | 23 |
Marysville-7th Ave | WA | 12 |
Toppenish-Yakama Tribe | WA | 8 |
Eugene - Highway 99 | OR | 8 |
Seattle-South Park | WA | 7 |
Darrington-Fir St | WA | 7 |
Colbert-Greenbluff | WA | 7 |
Colville-E 1st St | WA | 7 |
Omak-Colville Tribe | WA | 6 |
Seattle-Duwamish | WA | 6 |