Smoke billowing from wildfires is leading to poor air quality and reducing visibility throughout Manitoba this ...

How to stay safe from air pollution. PM2.5 is a mixture of chemicals that change based on what’s burning, Anenberg said. It’s possible some of the wildfire plume may contain toxic compounds ...

Intense wildfires in Canada’s western provinces continued blazing Wednesday, sending smoke southward and triggering air quality alerts throughout the United States. More than 400 wildfires are ...

MILES PARKS, HOST: Something like 500 wildfires continue to burn across Canada, and it's affecting the air we breathe. Earlier this week, the air quality in Toronto was among the worst in the world.

Toronto and the GTA are under a heat wave and poor air quality warning issued by Environment Canada on July 14, 2025, due to ...

Canadian wildfire smoke lingers in Michigan. Officials issued an air quality advisory in southeast Michigan for July 15.

The Michigan Department of Environment, Great Lakes, and Energy issued southeast Michigan's sixth air quality advisory of the ...

Heat in Canada and changing climate contribute to fires and air pollution. Wildfires burning in Canada have prompted hazardous air pollution conditions in the U.S. this week, as smoke moves South ...

Smoke from more than 450 wildfires burning in Canada caused “unhealthy” to “very unhealthy” air quality conditions in parts of the Midwestern United States this week as the South faces ...

Cook County is under a heat watch through Thursday evening. Temperatures could feel like 105-110 degrees Wednesday.

SAN FRANCISCO (KRON) — Wildfire smoke billowing from several fires in Canada is expected to impact air quality in the San Francisco Bay Area this week, officials announced Monday. An air quality ...