Site

State

PM AQI* (ug/m3)

Cornwall

CT

11

Near Road

RI

10

Portland - Deering Oaks

ME

10

Parkway East (Near Road)

PA

10

Brockton

MA

10

Boston-Von Hillern

MA

10

Haverhill

MA

10

Princess Anne

MD

9

Waterbury

CT

9

MILITARY PARK

MI

9