POLLUTION IN OHIO

POLLUTION IN OHIO

A look at the total days with elevated smog pollution, by county or metropolitan area in 2015:

Cincinnati88

Youngstown-Warren- Boardman71

Cleveland-Elyria68

Columbus61

Canton-Massillon55

Huntington-Ashland53

Dayton50

Springfield44

Steubenville- Weirton, W. Va.44

Toledo43

Wheeling, W. Va.43

Ashtabula42

Noble County41

Marietta33

Washington Court House33

Lima32

Mount Vernon32

Wilmington32

Akron22

Source: Environment America Research & Policy Center; Frontier Group