Site

State

PM NowCast (ug/m3)

Sunnyside-S 16th

WA

8

Tacoma-L St

WA

7

Spokane-Augusta Ave

WA

7

Clarkston-13th St

WA

6

Spokane-E Broadway Ave (US)

WA

6

Seattle-South Park

WA

6

The Dalles - Cherry Heights

OR

6

Seattle-10th & Weller

WA

6

Tukwila_Allentown

WA

5

Portland Near Road

OR

5

Colbert-Greenbluff

WA

5