The heat warning issued last Friday for the Ottawa-Gatineau region should last until Thursday night, according to Environment ...

Wednesday’s forecast calls for sunny skies, a high of 33 Celsius, a humidex value of 40 and a UV index of 9, or very high.

Wildfire season is upon us once again, and smoke is reducing air quality through swaths of the country. Environment Canada ...

Windsor-Essex, Chatham-Kent and Sarnia-Lambton can all expect elevated air pollution levels again Tuesday. Environment and ...

Wildfire season is upon us, and smoke is reducing air quality through swaths of the country. Environment Canada suggests ...

As extreme heat continues to cast over the city of Toronto, Environment Canada is warning of poor air quality on Monday.

In Canada, the Air Quality Health Index (AQHI) is a scale developed to help people understand what the current air quality means for your health. It is an initiative among Environment Canada, Health ...

West Central is remaining under a Special Air Quality Statement as we move through Wednesday morning, but the current high-risk conditions are expected to abate by this evening with a change in ...

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

The Air Quality Health Index is expected to be as high as seven, or high risk, according to Environment Canada.