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

As Canada’s wildfire smoke creeps down into the U.S., it’s also transforming. Chemical reactions between gases and sunlight create ozone, which further exacerbates lung conditions like asthma.

Wildfires have been raging along the West Coast and in Canada for most of the spring and summer. For some U.S. residents, ...

P lenty of research shows that respiratory distress and heart attacks spike in the event of smoke exposure; acute impacts of ...

In June 2023, a surreal glowing orange haze descended on New York City and across other East Coast locations as winds concentrated and redirected smoke from Canada wildfires.The smoke eventually ...

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts says climate change means U.S. residents better get used to it.

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

Wildfires are already burning in parts of Canada, and as they do, many communities are already facing the familiar thick haze as smoke drifts in.

Smoke, starring Taron Egerton, has premiered on Apple TV+, kicking off the series with two episodes available to stream. The ...

Canada is on track to see the worst wildfire season since 2023, with millions of hectares of land scorched and thousands ...

As Canada’s wildfire smoke creeps down into the U.S., it’s also transforming. Chemical reactions between gases and sunlight create ozone, which further exacerbates lung conditions like asthma.