Site

State

PM AQI* (ug/m3)

Villanueva-135 Dodge Dr

NM

16

South Phoenix

AZ

11

Grand Canyon ozone bench

AZ

11

Chamizal C41

TX

11

Big Bend NP

TX

10

Amarillo Texas A&M C320

TX

10

Ascarate Park Southeast C37

TX

9

Hobbs Jefferson

NM

8

Odessa Gonzales C1014

TX

8

Santa Fe-703 Alta Vista St

NM

8