Site	State	PM AQI* (ug/m3)
Nogales Post Office	AZ	29
West Phoenix	AZ	25
North Valley	NM	22
Durango Complex	AZ	20
Jefferson	NM	18
Phoenix JLG Supersite	AZ	17
South Valley	NM	15
South Phoenix	AZ	15
Ascarate Park Southeast C37	TX	11
Geronimo	AZ	10