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

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

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

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

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

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

Wildfire smoke from Manitoba, Canada, will blow across two dozen states through Saturday, reducing air quality and creating hazy skies.

The ongoing Canadian wildfires have reportedly blanketed a third of the United States, affecting millions, with the National ...

Health specialists were put on leave, and a report on how to protect 20 million workers from wildfire smoke has stalled ...

Smoke poured over the Canadian border into eastern Alaska this weekend, bringing poor air quality to communities from ...

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.

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.