Air quality alerts were in effect in Iowa, Minnesota, Wisconsin and Michigan, as well as eastern Nebraska and parts of ...

National Weather Service officials issued an air quality alert set to expire at midnight Saturday for the Chicago and ...

Saturday offers generous sunshine mixed with puffy fair weather clouds, comfortable temperatures and low humidity. An Air ...

It appeared that, as of Friday, Chicago-area residents wouldn't get a reprieve from poor air quality in the near future.

Illinois, Michigan, Wisconsin and Minnesota are under air quality alerts for unhealthy conditions as Canadian wildfire smoke ...

Smoke has continued to cloud Illinois' air for a second straight day, but the poor air quality isn't because of a fire in the ...

National Weather Service officials called an air quality alert in effect until midnight as well as a beach hazard warning.

An Illinois Air Pollution Action Day is declared when weather conditions are such that widespread ozone and or particulate ...