Site

State

PM AQI* (ug/m3)

Maple Falls-Azure Way

WA

20

Sunnyside-S 16th

WA

13

La Pine Rural Fire Dept

OR

13

Toppenish-Yakama Tribe

WA

10

Seattle-10th & Weller

WA

10

Eugene - Highway 99

OR

10

Colbert-Greenbluff

WA

10

Tacoma-L St

WA

10

Kent-James & Central

WA

9

Turner - CJHS

OR

9