Site	State	PM AQI* (ug/m3)
Ascarate Park Southeast C37	TX	23
Hidden Valley	AZ	21
Socorro Hueco C49	TX	16
Nogales Post Office	AZ	14
Phoenix JLG Supersite	AZ	14
West Phoenix	AZ	13
North Valley	NM	12
South Phoenix	AZ	11
Orange Grove	AZ	11
Geronimo	AZ	10