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

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

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

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 ...

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

Mississippi can expect hazy skies, lower air quality when double whammy of Saharan dust and smoke from wildfires in Canada ...

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.

Active children, the elderly and people with asthma and COPD are more likely to suffer an increase in the number and severity ...

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