Site	State	PM AQI* (ug/m3)
Hidden Valley	AZ	27
Ascarate Park Southeast C37	TX	23
Grand Canyon ozone bench	AZ	20
Yuma Supersite	AZ	16
Nogales Post Office	AZ	15
South Valley	NM	14
South Phoenix	AZ	14
North Valley	NM	14
El Paso UTEP C12	TX	13
Santa Teresa	NM	13