Site

State

PM NowCast (ug/m3)

Portland - SE Lafayette

OR

40

Madras - Westside School

OR

39

Portland Near Road

OR

38

Vancouver-NE 84th Ave

WA

36

Prineville - Davidson Park

OR

34

Hillsboro - Hare Field

OR

32

Yakima-4th Ave

WA

31

Ellensburg-Ruby St

WA

29

Sisters Forest Service

OR

29

Eugene - Amazon Park

OR

29