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Chicago Sun-Times
Chicago Sun-Times
National
Indira Khera | WBEZ

Elevated air pollution, ozone found in Chicago near Lake Michigan, expressways

A thick haze of smog seen looming over the Chicago skyline in 2015. (Nam Y. Huh / AP)

Research by Northwestern University scientists has identified air pollution hot spots around Chicago, shedding light on pollution’s disproportionate impact in different parts of the city.

They found that neighborhoods near Chicago expressways and Lake Michigan have a higher concentration of air pollution.

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