Site

State

PM NowCast (ug/m3)

Maple Falls-Azure Way

WA

26

Eugene - Amazon Park

OR

22

Spokane-E Broadway Ave (US)

WA

21

Spokane-Augusta Ave

WA

21

Marysville-7th Ave

WA

19

Burns - Washington St.

OR

18

Lyons

OR

18

Spokane-Monroe St.

WA

18

Clarkston-13th St

WA

18

John Day Dayton St

OR

17