Site | State | PM AQI* (ug/m3) |
Portola | CA | 29 |
Marysville-7th Ave | WA | 26 |
Tacoma-L St | WA | 23 |
Portland - SE Lafayette | OR | 23 |
Greeley Hospital | CO | 23 |
Anderson-Eastside Elem. Sch | IN | 23 |
Pinehurst | ID | 20 |
Klamath Falls - Peterson Sc... | OR | 19 |
Tacoma-S 36th St | WA | 17 |
Seattle-Duwamish | WA | 17 |