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

Smoke from wildfires in eastern Ontario is settling in amid the ongoing heat warning, prompting Environment Canada to issue a ...

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

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

The Michigan Department of Environment, Great Lakes, and Energy issued an Air Quality Advisory for five West Michigan ...

The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan ...

Ottawa's air quality is low-risk on Saturday, an ideal day for outdoor activities. Author of the article: By Lynn Saxberg. Published Jun 10, 2023. Last updated Jun 10, 2023. 3 minute read.

Air quality improves in Ottawa The air quality has improved in Ottawa, but experts warn smoky conditions could return throughout the summer. CTV’s Jeremie Charron reports. People in the Ottawa ...

The National Weather Service reported an air quality alert at 11:54 a.m. EDT on Sunday in effect until Tuesday at midnight ...

Environment Canada says the air in the Ottawa region is relatively clear, but forest fire smoke is expected to bring it back to a moderate risk level over the weekend.

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