Site	State	PM AQI* (ug/m3)
Toppenish-Yakama Tribe	WA	38
Yakima-4th Ave	WA	37
Sunnyside-S 16th	WA	30
White Swan-Yakama Tribe	WA	23
Twisp-Glover St	WA	17
Maple Falls-Azure Way	WA	17
Oakridge - Willamette Activ...	OR	16
Spokane-E Broadway Ave (US)	WA	14
Wenatchee-Fifth St	WA	14
Ellensburg-Ruby St	WA	14