Site

State

PM AQI* (ug/m3)

John Day Dayton St

OR

9

Cave Junction Forest Service

OR

8

Medford Welch & Jackson

OR

7

Ashland Fire Dept

OR

7

Lyons

OR

7

Klamath Falls - Peterson Sc...

OR

6

Colville-E 1st St

WA

6

Seattle-South Park

WA

6

Oakridge - Willamette Activ...

OR

6

Portland Near Road

OR

5