Site | State | PM AQI* (ug/m3) |
John Day Dayton St | OR | 25 |
Maple Falls-Azure Way | WA | 17 |
Portland - SE Lafayette | OR | 13 |
Chehalis-Market Blvd | WA | 12 |
Sunnyside-S 16th | WA | 12 |
Portland Lane Middle School | OR | 10 |
Hillsboro - Hare Field | OR | 10 |
Forest Grove Pacific Univer... | OR | 10 |
Portland Near Road | OR | 10 |
Port Angeles-E 5th St | WA | 10 |