Site

State

PM AQI* (ug/m3)

CCNY

NY

31

Fort Lee Near Road

NJ

23

LYNN

MA

22

Portland - Deering Oaks

ME

21

ChelmsfordNR

MA

21

Worcester

MA

20

Elizabeth Trailer

NJ

20

Arendtsville

PA

20

Bridgeport

CT

20

Bklyn - PS 314

NY

20