Site	State	PM AQI* (ug/m3)
Hidden Valley	AZ	30
South Valley	NM	26
Ascarate Park Southeast C37	TX	25
Yuma Supersite	AZ	24
North Valley	NM	20
Jefferson	NM	19
Chamizal C41	TX	19
El Paso UTEP C12	TX	18
Del Norte	NM	16
Socorro Hueco C49	TX	16