Site

State

PM NowCast (ug/m3)

Springfield City Hall

OR

6

Eugene - Highway 99

OR

6

Seattle-10th & Weller

WA

6

Eugene - Amazon Park

OR

6

Spokane-E Broadway Ave (US)

WA

6

Roseburg - Garden Valley Blvd.

OR

5

Seattle-South Park

WA

5

Grants Pass - Parkside School

OR

5

Tacoma-L St

WA

5

Eugene - Wilkes Dr.

OR

4