Site

State

PM AQI* (ug/m3)

Vallecitos-1594 CR-247

NM

274

Hidden Valley

AZ

34

Ascarate Park Southeast C37

TX

25

South Valley

NM

22

Anthony

NM

21

Jefferson

NM

20

Socorro Hueco C49

TX

20

El Paso UTEP C12

TX

18

North Valley

NM

18

Chamizal C41

TX

18