Site	State	PM AQI* (ug/m3)
Hidden Valley	AZ	16
Socorro Hueco C49	TX	10
Geronimo	AZ	9
Ascarate Park Southeast C37	TX	8
Yuma Supersite	AZ	8
El Paso UTEP C12	TX	7
North Valley	NM	7
Nogales Post Office	AZ	7
Thirty Third	AZ	7
Rose Elementary	AZ	7