Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	29
Sunnyside-S 16th	WA	26
Prineville - Davidson Park	OR	24
Yakima-4th Ave	WA	23
Burns - Washington St.	OR	22
Toppenish-Yakama Tribe	WA	20
Omak-Colville Tribe	WA	20
Mobile-Yakima	WA	19
Pendleton - McKay Creek	OR	18
Medford Welch & Jackson	OR	16