Continued drifting of wildfire smoke from Canada and Alaska has prompted Bay Area air regulators to extend an air quality ...

Forecasters warn that hazy, grayish-blue skies could persist for many weeks as fires continue to burn, though most smoke will ...

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.

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

Dry conditions in Canada start a chain of events that exacerbates wildfires, injects plumes of smoke in the air and affects air quality in Milwaukee.

While much of the Yukon is under an air quality statement due to wildfire smoke, Environment and Climate Change Canada said ...

Right now, wildfires are raging across over 7 million acres of boreal forest in Western Canada, a continuous blanket of ...

Smoke rises from wildfire WE024 in Manitoba, Canada, May 27, 2025. Manitoba Government/Handout/Reuters A potentially dire situation was unfolding Friday in Flin Flon, a community of about 5,000 ...

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

As thicker surface smoke moved away from Wisconsin during the first weekend of June to improve air quality. However, there will be more smoke on the way.

Smoke from Canadian wildfires is engulfing much of the eastern and central United States and and is expected to continue for days.

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