Site

State

PM NowCast (ug/m3)

Clarkston-13th St

WA

19

Winthrop-Chewuch Rd

WA

17

Salem - State Hospital

OR

14

Prineville - Davidson Park

OR

13

John Day Dayton St

OR

13

Burns - Washington St.

OR

13

Leavenworth-Evans St

WA

12

Medford Welch & Jackson

OR

12

Colville-E 1st St

WA

11

Portland - SE Lafayette

OR

11