Site

State

PM AQI* (ug/m3)

John Day Dayton St

OR

11

Yakima-4th Ave

WA

10

Grants Pass - Parkside School

OR

9

Omak-Colville Tribe

WA

9

Cottage Grove City Shops

OR

9

Burns - Washington St.

OR

9

Klamath Falls - Peterson Sc...

OR

9

Lyons

OR

8

Marysville-7th Ave

WA

8

Cave Junction Forest Service

OR

8