Site

State

PM AQI* (ug/m3)

JERSEYVL

IL

25

HOUSTON

IL

22

MOUNDSVILLE

WV

22

DETROIT-SW

MI

17

Charleroi

PA

17

Johnstown

PA

16

Larwill

IN

16

Steubenville

OH

16

South Bend-Shields Dr

IN

16

Strongstown

PA

15