Site

State

PM AQI* (ug/m3)

Yuma Supersite

AZ

30

Santa Fe Airport

NM

30

Amarillo Texas A&M C320

TX

20

Santa Fe-703 Alta Vista St

NM

20

Alamo Lake

AZ

17

Las Vegas-21 B Dr

NM

16

Hidden Valley

AZ

14

Sapello-1033 NM-518

NM

13

South Phoenix

AZ

13

Phoenix JLG Supersite

AZ

13