Site

State

PM AQI* (ug/m3)

Sunnyside-S 16th

WA

32

John Day Dayton St

OR

22

Yakima-4th Ave

WA

20

Toppenish-Yakama Tribe

WA

20

Mesa-Pepoit Way (temp SO)

WA

16

Kennewick-Metaline

WA

14

Walla Walla-12th St

WA

13

Ellensburg-Ruby St

WA

12

Spokane-E Broadway Ave

WA

12

Newport-Calispel

WA

10