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

Much of Central Canada, Manitoba and Saskatchewan were placed under special air quality statements or warnings on Monday due ...

With various air quality indexes available, and as wildfire smoke becomes an increasing health risk, here’s what often goes ...

Environment Canada urges residents to limit their time outdoors. But even when inside, most buildings can only reduce ...

Much of Central Canada, Manitoba and Saskatchewan were placed under special air quality statements or warnings on Monday due to smoke from wildfires.

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

The poor air quality that has blanketed swaths of central and Western Canada is not only infiltrating the lungs, but also ...

While some organizations have published clear air quality thresholds or contingency protocols for wildfire smoke, FIFA’s plans remain unclear less than a year out from the 2026 World Cup.

Special air quality weather advisories due to wildfire smoke remain in effect in many parts of the country, and in some places, including Montreal, the heat is also present. Much of central Canada, ...

Environment Canada identifies the people at particular risk as seniors, infants, folks who work up a sweat outdoors, and ...