Site | State | PM AQI* (ug/m3) |
Portola | CA | 25 |
John Day Dayton St | OR | 24 |
Willits Justice Building | CA | 23 |
Charleroi | PA | 22 |
Portland - SE Lafayette | OR | 20 |
Portland Cully Helensview S... | OR | 19 |
Columbus Airport | GA | 18 |
Portland SE 12th and Salmon | OR | 16 |
Marysville-7th Ave | WA | 16 |
Seeley Elementary School | MT | 16 |