An air quality advisory for Long Island is the result of smoke from Canada wildfires, New York State officials say.

Smoke traveling from wildfires in Canada, North Dakota and Minnesota triggered an air quality warning in northern Wisconsin.

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

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

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

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

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

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

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

Wind pushed more smoke from Alberta and B.C.’s wildfires to Calgary Wednesday, leading to an air quality warning for the city and a large portion of the province.

Canada Post has issued a red service alert for Chateh, Peerless Lake, Red Earth Creek and Trout Lake, pausing deliveries due ...

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