The fluctuating layer of smoke in our atmosphere meant that the expected blue skies in the evening and morning have taken on ...

Environment Canada's air quality index has reported moderate to high risk since Saturday morning in Calgary, as many parts of ...

Canadian Grand Prix is expected to go ahead as planned despite thick wildfire smoke spreading across Montreal.

Cooler weather and light rain are reportedly aiding firefighting efforts in certain areas across Canada's Prairie provinces. However, as Dan Spector reports, many regions in the country continue to ...

Wildfire smoke is choking Wisconsin for a third straight spring. The hazy, dirty air from Canada — “some of the highest ...

Air quality has improved in much of Quebec and Ontario, but wildfire smoke continues to affect parts of the Prairies, northern Ontario, and eastern Quebec.

Air quality alerts were lifted in parts of Canada after wildfire smoke plagued the region. Manitoba and Saskatchewan ...

Despite expected rain Sunday night, Canadian wildfire smoke will continue to impact Michigan on Monday, officials say.

Environment Canada says air quality has improved across most of Quebec and Ontario as changes in wind and rain ease the ...

After showers on Monday and Tuesday, sunshine and warmer temperatures are expected as the city gets set to open some outdoor ...

Los Angeles is grappling with intense protests sparked by President Trump's deployment of the National Guard amid immigration ...

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