A group of Republican lawmakers has complained that smoke from Canadian wildfires is ruining summer for Americans, just days ...

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

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

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 ...

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

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

A special air quality statement due to wildfire smoke in Medicine Hat and surrounding areas is expected to improve sometime ...

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

The air quality in Montreal on Tuesday morning was ranked the sixth worst in the world for major cities by IQAir.

Summer camps and daycares are being forced to shift their plans amid stifling heat and poor air quality caused by wildfire ...

Special air-quality statements caused by wildfire smoke remain in effect for many areas of the country, and in some places, people are also handling stifling heat and humidity as well as the haze.