Site

State

PM AQI* (ug/m3)

Fall River

MA

20

Groton Fort Griswold

CT

16

New Haven - Criscuolo Park

CT

13

Pocomoke City

MD

11

Lafayette-Greenbush St

IN

11

HOUGHTON LAKE

MI

11

Jersey City FH

NJ

11

Portland - Deering Oaks

ME

10

Newark Firehouse

NJ

10

Brockton

MA

10