Air quality alerts were issued across the Northeast and Midwest US on August 5 due to elevated PM2.5 levels from Canadian ...

Smoky conditions are expected throughout the day with a high near 30 C in the Greater Toronto Area and across southern Ontario.

A stretch of northern Ontario remains under a special air quality statement amid smoke from wildfires burning in parts of the country.

A smoky haze coloured the sunset in Cornwall on Sunday, August 4, as the city remained under a Special Air Quality Statement issued by Environment and Climate Change Canada. The warning, first posted ...

Environment Canada has lifted special air quality statements for southwestern Ontario as Prairie wildfire smoke dissipates.

Canada is battling more than 700 active wildfires across the country, roughly two-thirds of which are burning out of control, ...

Forecasters say weak winds have left Canadian wildfire smoke to linger over the U.S. Stronger winds are expected to bring relief later in the week.

Air quality remains poor in parts of Canada as wildfire smoke travels along the jet stream — with Europe now in its path.

Smoke from nearly 200 uncontrolled wildfires in Canada is triggering widespread air quality alerts across the Upper Midwest ...

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