Wildfire smoke degrades air quality in swaths of Ontario, with Toronto ranking among the worst in the world on Monday.

Smoke from wildfires in Manitoba, a Western province facing its worst fire season in 30 years, has created hazardous air ...

The amount of land burned this year is on pace to be the most since 1994, as 100 blazes roared on Friday across the central ...

There are also many major fires burning in Canada since May. So far this year 13.8 million acres have burned across the ...

Officials are giving an update on Manitoba's wildfire situation Thursday afternoon, as the province continues to cope with ...

The Manitoba government says close to 13,000 people are out of their homes due to wildfires, but hundreds are finding space ...

While recent rain has helped crews as they battle wildfires across Manitoba, provincial officials say they’re prepared to ...

The haze can reflect and interfere with sunlight, which could disrupt photosynthesis. How that affects yields depends on the ...

Scattering sunlight, disrupting bees, damaging plant tissue - farmers can’t always offset the effects of smoky days ...

The weather agency has issued a special air quality statement for much of Manitoba, noting that air quality and visibility due to wildfire smoke can fluctuate over short distances.

Public spaces including soccer fields and indoor arenas are being converted into makeshift shelters, expecting many arrivals ...

Six Republican members of Congress – four of them from Minnesota – have called on Canada to impose 'better forest management.