Poor air quality fuelled by wildfires burning across the Prairies left a large swath of the country enveloped in a haze again ...

Active children, the elderly and people with asthma and COPD are more likely to suffer an increase in the number and severity ...

To reduce pollution and protect public health, it is recommended to avoid gas stations during air-quality alerts or refueling ...

Wildfires have forced a further 1,000 people to flee their homes in the Canadian province of Manitoba, which is under a state ...

Wildfires burning in Canada’s oil-producing region are prompting investors to examine the potential impact to midstream ...

Michigan's air, which has been tainted for several days by wafting smoke from Canadian wildfires, is expected to improve over ...

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...

Experts warn that early snowmelt, combined with high evaporative rates, could significantly dry out vegetation and soils, setting the stage for intense wildfires. Many western basins are experiencing ...

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

Social media posts highlighting government statistics reporting most blazes in Manitoba province were "human caused" imply ...