Site

State

PM NowCast (ug/m3)

Tacoma-S 36th St

WA

14

Sunnyside-S 16th

WA

13

Portland - Spangler Road

OR

11

Portland Near Road

OR

10

Forest Grove Pacific Univer...

OR

10

Toppenish-Yakama Tribe

WA

10

Hillsboro - Hare Field

OR

9

Seattle-Duwamish

WA

9

Yakima-4th Ave

WA

9

Medford Welch & Jackson

OR

8