Site

State

PM AQI* (ug/m3)

Lancaster DW

PA

28

Altoona

PA

14

Charleroi

PA

14

ODOT Ironton

OH

14

CARY

IL

14

GC_MAD

IL

13

Cincinnati Near Road

OH

12

Johnstown

PA

12

Clinton, Chancy Park

IA

12

CHARLESTON

WV

11