Site	State	PM AQI* (ug/m3)
Ascarate Park Southeast C37	TX	12
Nogales Post Office	AZ	12
Hidden Valley	AZ	11
West Phoenix	AZ	10
Phoenix JLG Supersite	AZ	10
Yuma Supersite	AZ	9
Durango Complex	AZ	9
North Phoenix	AZ	8
Anthony	NM	8
Hobbs Jefferson	NM	7