Site

State

PM AQI* (ug/m3)

John Day Dayton St

OR

16

Yakima-4th Ave

WA

13

Klamath Falls - Peterson Sc...

OR

13

Lyons

OR

11

Seattle-Duwamish

WA

11

Baker City - Forest Service

OR

11

Chiloquin

OR

10

Omak-Colville Tribe

WA

9

Cave Junction Forest Service

OR

9

Tacoma-S 36th St

WA

8