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

Following a period of heavy wildfire smoke in Ontario, daily ED visits for asthma-related causes rose and stayed up for ...

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

In northern Ontario, air quality warnings have been issued by Environment Canada in connection to forest fires, but the ...

Smoke will likely be an ongoing health hazard across North America for the next few months. Here's what to expect. ... particularly in northern Ontario and the western provinces.

Climatologists are telling us that the central and eastern U.S. states are in for a long, hot and smoky summer because of ...

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

Ontario is not on track to hit a key climate change target with less than five years to go, civil servants have told the ...

Police closed a stretch of an Ontario highway on Monday after a fire and smoke caused low visibility for drivers.

Ontario’s FireRanger program is understaffed and over budget, increasing the risk that each new wildfire may break ...

ArcelorMittal Dofasco says the orange smoke seen over east Hamilton Tuesday evening was caused by a malfunction at the plant.