Site	State	PM AQI* (ug/m3)
Hidden Valley	AZ	27
Anthony	NM	24
Ascarate Park Southeast C37	TX	24
Thirty Third	AZ	21
El Paso UTEP C12	TX	18
Nogales Post Office	AZ	18
Chamizal C41	TX	17
West Phoenix	AZ	17
Durango Complex	AZ	16
Santa Teresa	NM	16