Site
State
PM AQI* (ug/m3)
Hidden Valley
AZ
26
Ascarate Park Southeast C37
TX
22
Socorro Hueco C49
14
Yuma Supersite
13
Odessa Gonzales C1014
11
Santa Teresa
NM
Anthony
10
Chamizal C41
Hobbs Jefferson
El Paso UTEP C12
9