Site	State	PM AQI* (ug/m3)
Nogales Post Office	AZ	23
Ascarate Park Southeast C37	TX	15
Chamizal C41	TX	14
Socorro Hueco C49	TX	14
South Phoenix	AZ	13
West Phoenix	AZ	13
South Valley	NM	12
Durango Complex	AZ	12
North Valley	NM	10
Jefferson	NM	9