Site	State	PM AQI* (ug/m3)
Irmo	SC	28
Mission C43	TX	27
Steubenville	OH	21
Cicero2	IL	21
Maple Falls-Azure Way	WA	21
Mammoth Lakes	CA	20
Marshall	MN	20
Liberty (SAHS)	PA	20
Anderson	CA	20
Ascarate Park Southeast C37	TX	19