Site

State

PM AQI* (ug/m3)

BROADWAY (South)

IL

17

Groton Fort Griswold

CT

15

Lawrenceville

PA

15

Columbus NR - Smoky Row

OH

14

Parkway East (Near Road)

PA

14

Liberty (SAHS)

PA

14

East St. Louis

IL

13

East High School

OH

13

Springfield Ag

IL

13

GC_MAD

IL

12