Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

Parts of Canada are seeing some of their most unhealthy air yet, and the smoke is likely to move over the United States again ...

An air quality advisory is in effect until 12 a.m., Saturday, June 7, as Michigan continues to see effects of Canadian ...

A Chicago Air Quality Alert has been extended through Friday as smoke from Canada wildfires has pushed the AQI into unhealthy ...

Smoke from Canadian wildfires is engulfing much of the eastern and central United States and and is expected to continue for ...

An air quality index of 300 or higher is considered hazardous, and the record-breaking smoke AQI in Grand Portage reached 800 ...

Smoke from raging wildfires in Canada is worsening air quality in some U.S. states. But will Greater Cincinnati be affected?

Online map tools and resources let you track the Canadian wildfires and monitor poor air-quality conditions, which are ...

States across the border issued air advisories about particulate pollution that are expected to last for several days.

The country's legacy of mining means that toxic metals could be carried along plumes of smoke, endangering people in its path ...

New York DEC and DOH have issued an Air Quality Health Advisory for fine particulate matter on June 7, 2025, due to wildfire ...

Canada is having another bad wildfire season, and more than 27,000 people in three provinces have been forced to evacuate.