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 ...

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

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

Air quality will deteriorate across 12 states through Saturday, mainly in the Upper Midwest, as wildfire smoke pours into 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 ...

Dr. Steve Arnold, a pulmonologist at Decatur Memorial Hospital, says for the last few days the air quality index has been bad ...

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