A special air quality statement is in effect for most of Manitoba as wildfire smoke leads to poor air quality and reduced ...

California's largest blaze this year explodes in size as hot weather raises wildfire risk statewide Megalodon Sharks Were ...

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.

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.

The Madre Fire, now the largest wildfire in California this year, expanded to 79,630 acres by Saturday, July 5, prompting ...

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

There is an air quality advisory for Saturday due to wildfire smoke in parts of Ontario. Environment Canada says wildfire ...

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

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

Canada's environment ministers back tougher air quality standards, citing wildfire smoke and rising health risks from fine ...

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.