More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...

Hazy skies from fires are reminiscent of 2023 when Chicago was the second-most-polluted major city in the country.

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

Wildfires scorching several Canadian provinces have driven at least 33,400 people from their homes, with smoke now reaching ...

Many fires burning across Canada, forcing evacuations and threatening air quality in the United States, cannot simply be put ...

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

Canada’s wildfire season is off to an intense start. A NASA satellite has recorded thousands of hot spots across the country ...

Wildfire smoke was helping raise ozone to hazardous levels. No alerts have been issued, but the air quality may approach ...

In 2023, as Canada suffered through its worst-ever wildfire season, the federal government was looking at creating a national ...

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

Smoke from wildfires raging in Canada has drifted into the United States, affecting air quality as far south as Florida.

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