Site

State

PM AQI* (ug/m3)

Santa Fe-1 El Alto

NM

28

Santa Fe-705 Alta Vista St

NM

14

Geronimo

AZ

13

Nogales Post Office

AZ

12

Hidden Valley

AZ

11

Green Valley

AZ

11

Casa Grande Downtown

AZ

11

Rose Elementary

AZ

10

Santa Teresa

NM

10

Children's Park Site

AZ

10