Site

State

PM NowCast (ug/m3)

Klamath Falls - Peterson Sc...

OR

17

Maple Falls-Azure Way

WA

16

Omak-Colville Tribe

WA

14

Marysville-7th Ave

WA

14

Spokane-Monroe St.

WA

14

Spokane-Augusta Ave

WA

12

Beaverton - Highland Park S...

OR

12

Seattle-Duwamish

WA

12

Portland Near Road

OR

10

Sunnyside-S 16th

WA

10