Site | State | PM AQI* (ug/m3) |
Ellensburg-Ruby St | WA | 5 |
Bellingham Pacifc | WA | 5 |
Spokane-E Broadway Ave (US) | WA | 5 |
Seattle-South Park | WA | 5 |
Seattle-Duwamish | WA | 5 |
Port Townsend-San Juan | WA | 4 |
Maple Falls-Azure Way | WA | 4 |
Anacortes-202 Ave (SO-AQS) | WA | 4 |
Custer-Loomis (SO-AQS) | WA | 4 |
Port Angeles-E 5th St | WA | 4 |