Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	33
Eugene - Amazon Park	OR	31
Eugene - Wilkes Dr.	OR	29
Eugene - Highway 99	OR	28
Spokane-Augusta Ave	WA	26
Yakima-4th Ave	WA	25
Spokane-E Broadway Ave (US)	WA	25
Toppenish-Yakama Tribe	WA	25
Sunnyside-S 16th	WA	24
Tacoma-L St	WA	23