Site	State	PM AQI* (ug/m3)
Hidden Valley	AZ	21
El Paso UTEP C12	TX	10
Thirty Third	AZ	9
Yuma Supersite	AZ	8
Socorro Hueco C49	TX	8
Geronimo	AZ	8
Durango Complex	AZ	7
South Valley	NM	7
Ascarate Park Southeast C37	TX	7
West Phoenix	AZ	6