Site

State

PM AQI* (ug/m3)

Hurst Road

AK

75

A Street

AK

38

Portola

CA

32

Madras - Westside School

OR

24

San Antonio Old Hwy90 C677

TX

24

Seeley Elementary School

MT

24

Unit0269

CO

23

NCore

AK

22

Mission C43

TX

22

Prineville - Davidson Park

OR

21