Site	State	PM AQI* (ug/m3)
Nogales Post Office	AZ	11
Odessa Gonzales C1014	TX	10
Ascarate Park Southeast C37	TX	10
South Phoenix	AZ	9
Eagle Pass C319	TX	9
Hobbs Jefferson	NM	8
Socorro Hueco C49	TX	7
Geronimo	AZ	7
North Valley	NM	7
Big Bend NP	TX	7