Site

State

PM NowCast (ug/m3)

Eugene - Highway 99

OR

40

Eugene - Amazon Park

OR

36

Tacoma-L St

WA

29

Oakridge - Willamette Activ...

OR

28

Roseburg - Garden Valley Blvd.

OR

26

Eugene - Wilkes Dr.

OR

26

Maple Falls-Azure Way

WA

24

Cottage Grove City Shops

OR

24

Spokane-E Broadway Ave (US)

WA

22

Darrington-Fir St

WA

21