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

Environment Canada is warning of poor air quality and extreme heat in Toronto on Monday as southern Ontario braces for a week ...

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

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

Environment Canada is warning of poor air quality and extreme heat in Toronto on Monday as southern Ontario braces for a week ...

Expect deteriorating air quality across parts of Ontario heading into the new workweek as upper-level winds blow wildfire smoke into the region. Some of the smoke could mix down to the surface, ...

While some organizations have published clear air quality thresholds or contingency protocols for wildfire smoke, FIFA's ...