Site	State	PM AQI* (ug/m3)
Irmo	SC	27
Mammoth Lakes	CA	26
Ascarate Park Southeast C37	TX	25
Maple Falls-Azure Way	WA	24
Yakima-4th Ave	WA	22
Toppenish-Yakama Tribe	WA	19
Fort Lee Near Road	NJ	19
Portola	CA	18
Libby Courthouse	MT	18
Sunnyside-S 16th	WA	18