Site

State

PM AQI* (ug/m3)

DEARBORN

MI

23

Liberty (SAHS)

PA

20

Parkway East (Near Road)

PA

15

Johnstown

PA

15

Kittanning

PA

14

DETROIT-SW

MI

14

Laird Eng Bldg

OH

14

Beaver Falls

PA

13

East HS

OH

13

Lawrenceville

PA

12