Site

State

PM AQI* (ug/m3)

Worcester

MA

15

Boston-Von Hillern

MA

15

Steubenville

OH

15

Lancaster DW

PA

14

Near Road

RI

14

TRINITY ST MARKS

MI

14

Columbus NR - Smoky Row

OH

14

MILITARY PARK

MI

14

Parkway East (Near Road)

PA

13

East High School

OH

13