Site

State

PM NowCast (ug/m3)

Spokane-Augusta Ave

WA

9

Sunnyside-S 16th

WA

9

Spokane-E Broadway Ave (US)

WA

8

Kennewick-Metaline

WA

7

Ellensburg-Ruby St

WA

7

Maple Falls-Azure Way

WA

6

Portland Near Road

OR

6

Seattle-South Park

WA

6

Portland - SE Lafayette

OR

5

Clarkston-13th St

WA

5

North Bend-North Bend Way (SO)

WA

5