Site

State

PM NowCast (ug/m3)

John Day Dayton St

OR

40

Burns - Washington St.

OR

38

Omak-Colville Tribe

WA

31

Port Angeles-E 5th St

WA

25

Leavenworth-Evans St

WA

23

Hillsboro - Hare Field

OR

22

Prineville - Davidson Park

OR

21

Winthrop-Chewuch Rd

WA

18

Portland - SE Lafayette

OR

18

Ashland Fire Dept

OR

17