Site
State
PM AQI* (ug/m3)
Ascarate Park Southeast C37
TX
25
Hidden Valley
AZ
8
Santa Fe-1693 Cerro Gordo Rd
NM
7
Yuma Supersite
Diablo
6
Phoenix JLG Supersite
South Phoenix
El Paso UTEP C12
Jefferson
Geronimo
5