Experts say people should take precautions such as wearing an N95 mask while outdoors or heading inside and closing the windows.

Smoke from wildfires ravaging northern Manitoba has impacted thousands of people in Winnipeg as poor air quality has forced ...

There's a haze in the sky across a large portion of the Midwest. The smoke coming from more than 210 fires burning in Canada, ...

Exposure to wildfire smoke — especially if it's heavy and over a long period of time — can cause adverse health effects in anybody, regardless of health status or age. But even mild wildfire exposure ...

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

Another large fire exacerbated by climate change is threatening the health of Chicagoans. Government officials issued an air ...

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

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

Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with ...

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

Dry weather and increased outdoor activities pose a risk to the Lower Hudson Valley and other areas with possible threats of wildfires this season.

Swaths of smoke from wildfires that have torched buildings and forced thousands from their homes in Western Canada have ...