Site

State

PM AQI* (ug/m3)

North Valley

NM

16

South Valley

NM

14

Jefferson

NM

14

South Phoenix

AZ

13

Nogales Post Office

AZ

13

Taos Fire Station

NM

11

Geronimo

AZ

9

Del Norte

NM

9

Ascarate Park Southeast C37

TX

9

Chamizal C41

TX

9