Site	State	PM AQI* (ug/m3)
Socorro Hueco C49	TX	15
Hidden Valley	AZ	14
Ascarate Park Southeast C37	TX	12
Geronimo	AZ	10
El Paso UTEP C12	TX	10
Anthony	NM	9
Children's Park Site	AZ	9
Yuma Supersite	AZ	9
Thirty Third	AZ	8
Eagle Pass C319	TX	7