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.

The smoke floating over the border shared between America and Canada is now impacting air quality in states as far south as ...

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada ...

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.  Air ...

Certain trees, such as pines, are much more likely to burst into flames than others due to their sap and needles, McBean ...

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The north-central part of the Prairies remains under a series of air-quality warnings. Environment Canada says wildfire smoke is contributing to the region's very poor air quality and could cause ...

People with chronic lung conditions and diseases should take their symptoms seriously when there are air quality alerts like ...

People forced to breathe air polluted with large amounts of wildfire smoke visit hospital emergency rooms more often for ...

The air quality warning for the Greater Toronto Area has been lifted after being in place over the long weekend, Environment Canada says.

Updates on conditions, resources and assistance will be made available continuously throughout this evolving situation. For the most up to date information, please visit and follow the Government of ...

Burlington has the worst air quality in the country on Monday compared with other Canadian cities according to the World Air ...