Site

State

PM AQI* (ug/m3)

Thirty Third

AZ

26

Durango Complex

AZ

23

Ascarate Park Southeast C37

TX

21

West Phoenix

AZ

19

Phoenix JLG Supersite

AZ

16

Socorro Hueco C49

TX

16

Hobbs Jefferson

NM

15

South Phoenix

AZ

15

Nogales Post Office

AZ

14

Anthony

NM

14