The festival kicked off Thursday, when Chicago had the worst air quality in the world for a few hours. But haze didn't choke ...

Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern US, sending air quality across the Midwest and northeast US and Toronto to unhealthy levels.

The heat returns Wednesday with highs in the upper 80s to near 90 degrees. Skies are expected to be mostly sunny to partly ...

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.

The Great Plains could also see possible flooding from severe storms on Sunday. A flash flooding risk of a level 2 out of 4 ...

Smoke from the more than 700 wildfires burning in Canada is continuing to blanket parts of the Midwest for a final day.

Minneapolis faced hazardous air quality, ranking second-worst globally due to Canadian wildfire smoke. Air quality alerts ...

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

While we’ll see plenty of sunshine and beautiful temperatures on Sunday, a layer of haze will linger across Chicagoland as an ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air.

Smoke from Canadian wildfires has plunged Midwest air quality to unhealthy “red” levels, with Minneapolis among the world’s ...

Chicago's Air Quality Alert continues due to Canadian wildfire smoke, with health advisories for sensitive groups amidst ...