Site	State	PM AQI* (ug/m3)
South Valley	NM	23
North Valley	NM	22
Jefferson	NM	21
Hidden Valley	AZ	18
Tramway	NM	18
Del Norte	NM	18
Nogales Post Office	AZ	17
Grand Canyon ozone bench	AZ	17
Yuma Supersite	AZ	15
Ascarate Park Southeast C37	TX	15