Site | State | PM AQI* (ug/m3) |
John Day Dayton St | OR | 6 |
Marysville-7th Ave | WA | 6 |
Seattle-South Park | WA | 4 |
Seattle-Duwamish | WA | 4 |
Maple Falls-Azure Way | WA | 4 |
Colville-E 1st St | WA | 4 |
Twisp-Glover St | WA | 4 |
Port Angeles-E 5th St | WA | 4 |
Taholah-Quinault Tribe | WA | 4 |
Shady Cove - Shady Cove School | OR | 3 |