Site	State	PM AQI* (ug/m3)
Hidden Valley	AZ	23
Durango Complex	AZ	17
Nogales Post Office	AZ	13
Chamizal C41	TX	12
Orange Grove	AZ	11
Ascarate Park Southeast C37	TX	11
West Phoenix	AZ	11
Geronimo	AZ	10
South Phoenix	AZ	10
El Paso UTEP C12	TX	9