Site | State | PM AQI* (ug/m3) |
Seattle-Duwamish | WA | 7 |
Marysville-7th Ave | WA | 5 |
Seattle-South Park | WA | 5 |
Colville-E 1st St | WA | 5 |
Portland Near Road | OR | 4 |
Raymond-4th St | WA | 4 |
Colbert-Greenbluff | WA | 4 |
Tacoma-S 36th St | WA | 4 |
Eugene - Wilkes Dr. | OR | 4 |
Seattle-10th & Weller | WA | 4 |