An air quality advisory is expected to remain in effect until noon June 6 as Michigan continues to see effects of Canadian ...

In the upper Midwest of the United States, Michigan, Wisconsin and Minnesota have issued air quality warnings as smoke from ...

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

Wildfires forced another 1,000 people to flee their homes in Manitoba, one of two Canadian provinces under a state of ...

Hedge funds boosted their bullish stance on US crude by the most in five months as wildfires endangered Canadian flows and ...

Experts warn that early snowmelt, combined with high evaporative rates, could significantly dry out vegetation and soils, setting the stage for intense wildfires. Many western basins are experiencing ...

Smoke will likely be an ongoing health hazard across North America for the next few months. Here's what to expect.

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

An air quality map shows conditions improving in the U.S. Friday as smoke from the Canadian wildfires subsides.

Exposure to wildfire smoke drifting across the country has been linked to increased risks of heart, lung and brain problems Share your thoughts and join the conversation in the comments.

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