Site

State

PM NowCast (ug/m3)

Hermiston - Municipal Airport

OR

44

Seattle-10th & Weller

WA

7

Sunnyside-S 16th

WA

6

Springfield City Hall

OR

5

Ellensburg-Ruby St

WA

5

Seattle-South Park

WA

5

Tacoma-Alexander Ave

WA

5

Colbert-Greenbluff

WA

5

Yakima-4th Ave

WA

5

Omak-Colville Tribe

WA

5

Spokane-Augusta Ave

WA

5