Site

State

PM NowCast (ug/m3)

Omak-Colville Tribe

WA

44

John Day Dayton St

OR

38

Burns - Washington St.

OR

34

Prineville - Davidson Park

OR

23

Portland - SE Lafayette

OR

22

Leavenworth-Evans St

WA

22

Hillsboro - Hare Field

OR

22

Winthrop-Chewuch Rd

WA

18

Vancouver-NE 84th Ave

WA

15

Shady Cove - Shady Cove School

OR

15

Portland Near Road

OR

15

Marysville-7th Ave

WA

15