Site | State | PM AQI* (ug/m3) |
Portland - SE Lafayette | OR | 16 |
Marysville-7th Ave | WA | 14 |
Tacoma-S 36th St | WA | 13 |
Maple Falls-Azure Way | WA | 13 |
John Day Dayton St | OR | 13 |
Omak-Colville Tribe | WA | 13 |
Portland Lane Middle School | OR | 12 |
Chehalis-Market Blvd | WA | 11 |
Portland Cully Helensview S... | OR | 10 |
Portland SE 12th and Salmon | OR | 10 |