World leaders may face smoke warnings when they gather next week in Alberta as wildfires burned out of control across much of Canada and caused the country's second-worst fire season in decades. The Kananaskis area of the Canadian Rocky Mountains,

If you enjoy seeing a deep blue sky on a warm summer day, you may be disappointed in what weather forecasters are predicting. Wildfires that are burning out of control in Canada this week are sending plumes of thick smoke into the atmosphere over many areas of the Northeast,

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

More than 200 wildfires are blazing across Canada, forcing 27,000 people to evacuate and creating hazardous air quality all over the U.S.

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

Smoke from raging wildfires in Canada is worsening air quality in some U.S. states. But will Greater Cincinnati be affected? Here's what we know.

The fires’ consequences are not just being felt locally, but internationally. Smoke from the wildfires has drifted across the Atlantic Ocean, turning skies above the United Kingdom orange. The fires’ smoke may also be uniquely toxic due to the country’s heavily mined forests.

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

So far this year, wildfires in Canada have burned over 8 million acres, more than the country typically sees in a year. The massive fires are contributing to heavy smoke that is now spreading across the United States Northern Tier.