Site

State

PM AQI* (ug/m3)

Hobbs Jefferson

NM

8

El Paso UTEP C12

TX

7

Yuma Supersite

AZ

7

Nogales Post Office

AZ

7

Socorro Hueco C49

TX

7

Douglas Red Cross

AZ

6

Odessa Gonzales C1014

TX

6

Amarillo Texas A&M C320

TX

6

Anthony

NM

5

Eagle Pass C319

TX

5