The National Weather Service issued an air quality alert for the city on Thursday and kept extending it through Sunday night. There was no alert Monday.

Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...

Smoke from more than 700 active wildfires in Canada is once again clouding skies and pushing air quality into dangerous ...

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

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.

Suspenden el MLB Speedway Classic entre Bravos de Atlanta y Rojos de Cincinnati por lluvia y se jugará el domingo.

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.