An air quality alert is in effect until midnight Thursday for the Chicago area as Canadian wildfires continue.

Smoke coming in from Canadian wildfires settled over Chicago, causing unhealthy air quality conditions for at-risk groups.

Smoke from Canadian wildfires continues to plague the Upper Midwest and Great Lakes region, with multiple states under air ...

Another large fire exacerbated by climate change is threatening the health of Chicagoans. Government officials issued an air ...

An Air Pollution Action Day was called Wednesday morning for the Chicago area and is in effect until midnight, weather ...

The ongoing Canadian wildfires have reportedly blanketed a third of the United States, affecting millions, with the National ...

Central Ohio's air quality index has lowered to moderate after smoke from Canadian wildfires has spread to some U.S. states.

An Air Quality Alert is in effect as Canadian wildfire smoke has been blown in behind a slow-moving rain system and cold ...

An air quality alert has been extended for the Chicago area as "unhealthy" levels are expected to continue into the start of ...

An air quality alert remains in effect for the entire Chicago area, with another "Air Pollution Action Day" alert declared as ...

Nearly two dozens wildfires were burning in the Canadian province of Manitoba, which is just north of Minnesota and North ...