Site	State	PM AQI* (ug/m3)
Ascarate Park Southeast C37	TX	12
Yuma Supersite	AZ	11
El Paso UTEP C12	TX	11
Socorro Hueco C49	TX	11
Chamizal C41	TX	9
Santa Teresa	NM	9
Lubbock 12th Street	TX	9
Anthony	NM	9
Eagle Pass C319	TX	8
Nogales Post Office	AZ	7