Site	State	PM AQI* (ug/m3)
Durango Complex	AZ	29
Chamizal C41	TX	25
Tempe	AZ	21
North Valley	NM	20
West Phoenix	AZ	19
Ascarate Park Southeast C37	TX	17
South Phoenix	AZ	17
Nogales Post Office	AZ	16
South Valley	NM	15
North Phoenix	AZ	15