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

A heat wave combined with wildfire smoke is hitting the city. But a health expert warns one is worse than the other.

This major city was ranked the 2nd most polluted city by IQAir on Monday due to wildfire smoke from the Prairies. Michael ...

Smoke from wildfires in Manitoba, a Western province facing its worst fire season in 30 years, has created hazardous air ...

A study in Ontario found continued exposure to fine particulate matter is linked to higher levels of diffuse myocardial ...

Air quality across Minnesota was pretty bad this past weekend. It was so bad that it was ranked as some of the worst in the ...

Toronto was the second worst in a global ranking on Monday. The city had the second-worst air quality in the world as of Monday morning, according to IQAir, a free, real-time air quality monitoring ...

Parts of the Greater Toronto Area (GTA) are under an air quality warning on Monday alongside an ongoing heat warning in the ...

We found indoor-air conversations now headline health briefings. Wildfire maps show 3.1 million acres burned in Alaska and ...

Byrnihat looks like many other towns in India’s picturesque northeastern states of Assam and Meghalaya. But while it is ...