Site	State	PM AQI* (ug/m3)
Ascarate Park Southeast C37	TX	12
South Valley	NM	11
Anthony	NM	10
Nogales Post Office	AZ	10
South Phoenix	AZ	10
El Paso UTEP C12	TX	10
Socorro Hueco C49	TX	10
Jefferson	NM	9
Chamizal C41	TX	9
Yuma Supersite	AZ	8