Site | State | PM AQI* (ug/m3) |
Seattle-South Park | WA | 5 |
Portland Near Road | OR | 5 |
Anacortes-202 Ave (SO-AQS) | WA | 5 |
Seattle-Duwamish | WA | 4 |
Seattle-10th & Weller | WA | 4 |
Vancouver-NE 84th Ave | WA | 4 |
John Day Dayton St | OR | 4 |
Port Townsend-San Juan | WA | 4 |
Marysville-7th Ave | WA | 4 |
Spokane-E Broadway Ave (US) | WA | 4 |