As wildfires continue to rage in western Canada, the Environmental Protection Agency issued its first alert of the year for ...

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

Wildfires are still raging in Canada, where there have been dozens of active fires, and over 33,000 people have been forced ...

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

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 ...

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

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

Illinois environmental officials are warning residents about air quality concerns as wildfire smoke from Canada persists in ...

The Chicago area is under an air quality alert until due to the Canadian wildfire smoke. Environmental officials said the pollutants from the smoke will be sticking around the area through at least ...

The Illinois Environmental Protection Agency declared an "Air Pollution Action Day" for the greater Chicago area, with special attention to those most vulnerable, including children, the elderly and ...

Smoke from Canadian wildfires triggered an air quality alert Thursday across northeast Illinois, meaning conditions are ...