Site

State

PM AQI* (ug/m3)

Socorro Hueco C49

TX

15

El Paso UTEP C12

TX

14

Jefferson

NM

13

Yuma Supersite

AZ

13

Ascarate Park Southeast C37

TX

13

South Valley

NM

12

Lubbock 12th Street

TX

12

Chamizal C41

TX

11

Amarillo Texas A&M C320

TX

10

Anthony

NM

10