Smoke from wildfires blazing across Canada is once again wafting over huge portions of the Midwest and worsening air quality, ...

The poor air quality continues to prevail in Illinois as Canadian wildfire smoke migrates south into the U.S. As a result, ...

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

Wildfire smoke from Canada is blanketing the skies in the Midwest, leaving millions with dangerous breathing conditions.

Wildfire smoke from Canada turned Chicago into one of the world’s most polluted metro areas as the Lollapalooza music ...

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 ...

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day until midnight Saturday do to wildfire ...

Wildfires in Canada are driving smoky, dirty air into the Midwest. Trent Ford, the State Climatologist at the University of ...

An Illinois Air Pollution Action Day is issued when widespread ozone or particulate levels are expected to be at or above ...

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

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.