According to a ranking by IQ Air, a Swiss air-technology company, Chicago had the worst air quality in the world for a few ...

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

Most of the Chicago area remains under an Air Quality Alert this weekend due to smoke from Canadian wildfires.

Damaging winds, large hail and a few tornadoes will also be possible with these storms.Elsewhere, wildfire smoke from Canada ...

When wildfires burn, the smoke can travel long distances and degrade air quality far away, which presents risks for those breathing it.

While the haze slightly lifted Saturday morning, air quality levels are expected to worsen across the Chicago area over the ...

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 ...