Site	State	PM AQI* (ug/m3)
Nogales Post Office	AZ	20
Durango Complex	AZ	15
Chamizal C41	TX	14
Ascarate Park Southeast C37	TX	14
Hidden Valley	AZ	13
South Valley	NM	12
West Phoenix	AZ	11
South Phoenix	AZ	11
Socorro Hueco C49	TX	10
Casa Grande Downtown	AZ	9