Site | State | PM NowCast (ug/m3) |
Seattle-10th & Weller | WA | 6 |
Seattle-South Park | WA | 5 |
Tacoma-S 36th St | WA | 4 |
Kent-James & Central | WA | 4 |
Marysville-7th Ave | WA | 4 |
Mt Vernon-S 2nd St | WA | 3 |
Maple Falls-Azure Way | WA | 3 |
Port Angeles-E 5th St | WA | 3 |
Lake Forest Park-Town Center | WA | 3 |
Portland Near Road | OR | 3 |
Port Townsend-San Juan | WA | 3 |
Bremerton-Spruce Ave | WA | 3 |
Ontario May Roberts Element... | OR | 3 |
Auburn 29th St | WA | 3 |