Hazy and smoky skies from Canadian wildfires jacking up the Air Quality Index to unhealthy levels. The New York Department of ...

Poor air quality fuelled by wildfires burning across the Prairies left a large swath of the country enveloped in a haze again on Saturday, but Environment Canada said ...

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

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

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

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

Air quality alerts and advisories have been issued in multiple states as Canadian wildfire smoke continues to spread.

The Michigan Air Quality Division said as smoke from Canadian wildfires continues to threaten the upper Midwest, "monitors in ...

Canadian wildfire smoke continues to cause hazy conditions across the Granite State, and it's impacting air quality in many areas. The Department of Environmental Services has declared an air quality ...

Massive clouds of pollutants could collide in North Carolina this week and result in poor air quality conditions for millions ...

Chicago had the worst air quality overnight Wednesday into Thursday, the latest American city to feel the impact of wildfire ...