Site	State	PM AQI* (ug/m3)
Ascarate Park Southeast C37	TX	36
Hidden Valley	AZ	11
El Paso UTEP C12	TX	11
Yuma Supersite	AZ	10
Geronimo	AZ	9
Socorro Hueco C49	TX	8
Santa Teresa	NM	8
Thirty Third	AZ	7
Nogales Post Office	AZ	7
West Phoenix	AZ	6