Site

State

PM NowCast (ug/m3)

Maple Falls-Azure Way

WA

22

Burns - Washington St.

OR

19

Ellensburg-Ruby St

WA

18

Clarkston-13th St

WA

18

Twisp-Glover St

WA

18

Port Angeles-E 5th St

WA

17

Leavenworth-Evans St

WA

16

Winthrop-Chewuch Rd

WA

15

Marysville-7th Ave

WA

15

Shelton-W Franklin

WA

15