Site

State

PM NowCast (ug/m3)

Seattle-10th & Weller

WA

9

Eugene - Highway 99

OR

7

Springfield City Hall

OR

6

Tacoma-L St

WA

6

Eugene - Wilkes Dr.

OR

6

Seattle-South Park

WA

6

Eugene - Amazon Park

OR

6

Tacoma-Alexander Ave

WA

5

Medford Welch & Jackson

OR

5

Spokane-E Broadway Ave (US)

WA

5