Site

State

PM AQI* (ug/m3)

Datil-881 Railroad Canyon Rd

NM

34

Liberty (SAHS)

PA

29

Ascarate Park Southeast C37

TX

28

WATSON

KY

24

Indpls-W.18th St

IN

24

Parkway East (Near Road)

PA

22

SPRINGHILL

TN

21

LOCKELAND

TN

21

Indpls-Washington Park

IN

21

Indpls - I-70 E

IN

20