Site	State	PM AQI* (ug/m3)
Nogales Post Office	AZ	29
Thirty Third	AZ	28
West Phoenix	AZ	24
South Phoenix	AZ	21
Phoenix JLG Supersite	AZ	20
Chamizal C41	TX	16
Durango Complex	AZ	15
El Paso UTEP C12	TX	13
Ascarate Park Southeast C37	TX	13
North Phoenix	AZ	12