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

Parts of Canada are seeing some of their most unhealthy air yet, and the smoke is likely to move over the United States again ...

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

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

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

Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with ...

An air quality index of 300 or higher is considered hazardous, and the record-breaking smoke AQI in Grand Portage reached 800 ...

An air quality advisory is in effect until 12 a.m., Saturday, June 7, as Michigan continues to see effects of Canadian ...

A combination of Canadian wildfire smoke and Saharan dust is expected to impact Georgia this week. Here's what to expect.

Try to avoid going outdoors." Leigh noted the long-term implications of wildfire smoke impacting communities each summer is ...

More than 200 wildfires are blazing across Canada, forcing 27,000 people to evacuate and creating hazardous air quality all ...

An upper-level low pressure system will draw south another thick plume of smoke from Canada. This will create another round ...