Site	State	PM AQI* (ug/m3)
El Paso UTEP C12	TX	21
Hidden Valley	AZ	20
Geronimo	AZ	15
Nogales Post Office	AZ	15
Durango Complex	AZ	15
Anthony	NM	14
Casa Grande Downtown	AZ	14
Grand Canyon ozone bench	AZ	13
Orange Grove	AZ	13
West Phoenix	AZ	13