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.

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

The Canadian wildfires are expected to track east and south, expanding in Michigan as Sunday goes on and additional smoke is ...

The Michigan Department of Environment, Great Lakes, and Energy expects particle pollution to reach the Unhealthy for ...

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

Risk designations can change regularly in the same community, Environment Canada says, so it's important to keep checking the air quality forecast.

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

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

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 ...

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

Western winds have pushed smoke plumes from Prairie wildfires toward Quebec and Ontario, including Toronto and the GTA ...