Site

State

PM AQI* (ug/m3)

John Day Dayton St

OR

19

Colville-E 1st St

WA

17

Cave Junction Forest Service

OR

15

Omak-Colville Tribe

WA

13

Burns - Washington St.

OR

13

Oakridge - Willamette Activ...

OR

12

Medford Welch & Jackson

OR

11

Sweet Home - Fire Department

OR

11

Prineville - Davidson Park

OR

10

Cottage Grove City Shops

OR

10