Site

State

PM AQI* (ug/m3)

Ascarate Park Southeast C37

TX

18

South Phoenix

AZ

14

Santa Fe-703 Alta Vista St

NM

14

Grand Canyon ozone bench

AZ

12

Alamo Lake

AZ

12

Socorro Hueco C49

TX

11

Amarillo Texas A&M C320

TX

10

Green Valley

AZ

9

Tempe

AZ

9

Villanueva-135 Dodge Dr

NM

9