Site	State	PM AQI* (ug/m3)
Nogales Post Office	AZ	28
West Phoenix	AZ	20
Chamizal C41	TX	19
North Valley	NM	16
Jefferson	NM	15
Ascarate Park Southeast C37	TX	15
Durango Complex	AZ	12
Phoenix JLG Supersite	AZ	12
South Phoenix	AZ	12
South Valley	NM	11