Site

State

PM AQI* (ug/m3)

CHI_COM

IL

16

Larwill

IN

15

Liberty (SAHS)

PA

15

GC_MAD

IL

14

Beaver Falls

PA

13

Cicero2

IL

13

HOUGHTON LAKE

MI

12

Lancaster

PA

12

Taft

OH

12

Chester

PA

12

York

PA

12