Site

State

PM AQI* (ug/m3)

John Day Dayton St

OR

14

La Pine Rural Fire Dept

OR

12

Maple Falls-Azure Way

WA

9

Omak-Colville Tribe

WA

8

Silverton

OR

8

Colbert-Greenbluff

WA

8

Burns - Washington St.

OR

7

Oakridge - Willamette Activ...

OR

6

Klamath Falls - Peterson Sc...

OR

6

Enterprise - US Forest Service

OR

6