As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts across the U.S.

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states from Wisconsin to Maine.

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada continues to waft into the United States, creating hazy, gray skies over major ...

The first map is maintained by the Canadian Interagency Forest Fire Centre (CIFFC). The interactive map displays the active fires that are currently raging in Canada.

Smoke from hundreds of wildfires in Canada has choked the skies over dozens of northern U.S. states in the Great Lakes and Northeast regions.

Since 2023 more than 25 million hectares of Canadian land have been burned by wildfires, causing massive smoke plumes to flow ...

The elevated levels of fine particulate matter resulting from wildfire smoke could present significant health risks.

Canada wildfire smoke is impacting air quality across a dozen U.S. states, primarily in the Northeast and Great Lakes regions. Air quality is expected to remain poor through Wednesday, Aug. 6 ...

As of Monday, Aug. 4, there are 59 uncontrolled wildfires and 108 controlled wildfires across Canada, the country's National Wildland Fire Situation Report said on its website.