The days are getting longer and warmer. Tuesday’s high in Montreal will be 25 C, with a UV index of 7, or high. By afternoon, ...

Ozone is a gas comprised of three oxygen (O3) atoms. It is unstable and reacts easily to other gases. In its natural state, it is a component in several levels of the atmosphere. At high altitudes ...

I flew with Chrono Aviation B737-200 Classic from Montreal to the Canadian Arctic, experiencing unique flight operations and ...

“These are devastating,” he says of the wildfires plaguing northern Saskatchewan, noting he recalls when a beautiful forest ...

Wildfires in Alberta continued to grow over the weekend despite a drop in temperatures and rain in some areas.

Delhi Airport is the only Indian airport to be among top 10 hub airports in the Asia-Pacific and Middle East region, ...

Wildfires in Canadian provinces of Manitoba and Saskatchewan are creating smoke visible in Michigan. How to use the air ...

Wildfires in Canadian provinces of Manitoba, Alberta, Ontario and Saskatchewan are creating smoke visible in Michigan. Here's what to know.

A measure called the Air Quality Index gauges just how bad the air has become in a particular place. Readings of 100 or higher usually serve as a warning to people who have respiratory conditions ...

Air quality in some parts of the United States is being compromised as smoke from dozens of wildfires in Canada travels south, pushed by winds high in the atmosphere. The Environmental ...

Here’s how to decode the Air Quality Index. What is the Air Quality Index? The term “code red” comes from the U.S. Environmental Protection Agency’s color-coded Air Quality Index (AQI ...