The Air Quality Health Index was first created to show possible health and environmental impacts to vegetation, visibility ...

Recapping some of the most talked-about news this week from the nation and around the world – in case you missed it.

Wildfires burning in Canada’s oil-producing region are prompting investors to examine the potential impact to midstream ...

More than 200 wildfires continued to burn across Canada as of Friday, June 6, prompting nationwide air quality alerts as smoke drifts into the U.S. In Manitoba, over 20 fires, including several that ...

Smoke from Canadian wildfires continues to descend into the U.S., creating poor air quality that can cause health issues.

Michigan's air, which has been tainted for several days by wafting smoke from Canadian wildfires, is expected to improve over ...

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...

Experts warn that early snowmelt, combined with high evaporative rates, could significantly dry out vegetation and soils, setting the stage for intense wildfires. Many western basins are experiencing ...

Wildfires forced another 1,000 people to flee their homes in Manitoba, one of two Canadian provinces under a state of ...

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

A haze of Canadian wildfire smoke can be seen over Grand Rapids, Mich. on June 5, 2025. The air quality index was above 151, ...