Site

State

PM AQI* (ug/m3)

RUTLAND

VT

23

Albany

NY

20

Cleveland Near Road

OH

20

Burlington

VT

20

Waterbury

CT

20

Harrisburg

PA

19

Madawaska PSB

ME

19

Erie

PA

18

Portland - Deering Oaks

ME

18

Carlisle

PA

18