Site	State	PM AQI* (ug/m3)
Chamizal C41	TX	34
Nogales Post Office	AZ	33
South Valley	NM	29
North Valley	NM	24
West Phoenix	AZ	24
Ascarate Park Southeast C37	TX	21
South Phoenix	AZ	20
Durango Complex	AZ	20
Anthony	NM	19
Glendale Community College	AZ	17