Site	State	PM AQI* (ug/m3)
Chamizal C41	TX	19
Nogales Post Office	AZ	16
Durango Complex	AZ	13
Yuma Supersite	AZ	13
West Phoenix	AZ	13
South Phoenix	AZ	13
Hidden Valley	AZ	12
Ascarate Park Southeast C37	TX	12
Tempe	AZ	11
Geronimo	AZ	10