Site
State
PM AQI* (ug/m3)
Hidden Valley
AZ
25
El Paso UTEP C12
TX
9
Nogales Post Office
Anthony
NM
Ascarate Park Southeast C37
8
Yuma Supersite
7
Lubbock 12th Street
Socorro Hueco C49
Geronimo
Odessa Gonzales C1014