Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air for at least the third day. Air quality alerts were in effect in Iowa, Minnesota, ...

The union representing Boeing employees who build fighter jets says they have begun a strike after about 3,200 workers at ...

Smoke from widespread Canadian wildfires has spread into the US, particularly affecting the Midwest and Northeast, leading to ...

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 National Weather Service has opted to extend an air quality alert in the Chicago area for another day.

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 ...

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

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