Site

State

PM AQI* (ug/m3)

Sapello-1033 NM-518

NM

57

Yuma Supersite

AZ

20

Hidden Valley

AZ

20

Rose Elementary

AZ

13

South Phoenix

AZ

13

Amarillo Texas A&M C320

TX

13

Socorro Hueco C49

TX

13

Wagon Mound

NM

12

Lubbock 12th Street

TX

12

Las Vegas-21 B Dr

NM

12