Site

State

PM AQI* (ug/m3)

South Phoenix

AZ

20

Odessa Gonzales C1014

TX

19

Ascarate Park Southeast C37

TX

18

Hobbs Jefferson

NM

18

Tempe

AZ

17

Hidden Valley

AZ

16

Anthony

NM

16

South Valley

NM

15

Socorro Hueco C49

TX

15

Durango Complex

AZ

14