Site

State

PM AQI* (ug/m3)

Tacoma-S 36th St

WA

6

Toppenish-Yakama Tribe

WA

6

Tukwila_Allentown

WA

6

Seattle-South Park

WA

6

Eugene - Highway 99

OR

6

Springfield City Hall

OR

5

Sunnyside-S 16th

WA

5

Kent-James & Central

WA

5

Omak-Colville Tribe

WA

5

Gresham Centennial HS

OR

5