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.

The Chicago area has experienced several days of pleasant temperatures, but the mercury will be trending upward again in ...

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

Blazes across several Canadian provinces and territories pose health risks to Canadians and their southern neighbours.

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

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada. People are advised to limit outdoor exposure.

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 has triggered air quality alerts across several US states, including Vermont, New York, ...

Smoke from Canadian wildfires has triggered days of unhealthy air quality across the US Midwest, with Minnesota and nearby states under prolonged pollution alerts.