Site

State

PM AQI* (ug/m3)

John Day Dayton St

OR

18

Cave Junction Forest Service

OR

13

Spokane-Augusta Ave

WA

13

Colville-E 1st St

WA

12

Lyons

OR

11

Sweet Home - Fire Department

OR

11

Oakridge - Willamette Activ...

OR

10

Grants Pass - Parkside School

OR

9

Baker City - Forest Service

OR

9

Tacoma-L St

WA

9