Site	State	PM AQI* (ug/m3)
Nogales Post Office	AZ	24
Chamizal C41	TX	23
South Phoenix	AZ	22
West Phoenix	AZ	19
Durango Complex	AZ	16
Ascarate Park Southeast C37	TX	15
North Valley	NM	15
South Valley	NM	13
Jefferson	NM	13
Hidden Valley	AZ	12