Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

26

Jefferson

NM

19

Ascarate Park Southeast C37

TX

18

Chamizal C41

TX

17

El Paso UTEP C12

TX

17

Socorro Hueco C49

TX

14

Anthony

NM

14

North Valley

NM

14

Geronimo

AZ

13

Eastwood

AZ

13