A special air quality statement is in effect for most of Manitoba as wildfire smoke leads to poor air quality and reduced ...

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

Smoke from wildfires still raging in Canada is degrading air quality across the northern U.S., turning skies a murky orange ...

The Department of Natural Resources and Environmental Control warns of air that is unsafe for sensitive groups on July 5.

There is an air quality advisory for Saturday due to wildfire smoke in parts of Ontario. Environment Canada says wildfire ...

Continued drifting of wildfire smoke from Canada and Alaska has prompted Bay Area air regulators to extend an air quality ...

The U.S. has one of the world’s most advanced systems to monitor air pollutants. Can it keep up with a changing climate?

YELLOWKNIFE — Canada’s environment ministers have endorsed stronger air quality standards for fine particulate matter, while ...

Much of southern Ontario was under an air quality statement on Thursday and Friday that lifted early Saturday morning.

The Bay Area Air District on yesterday morning issued an air quality advisory due to possible wildfire smoke from Canada and ...

Smoke from the Dryden Creek Wildfire rises just north of Squamish, British Columbia, Canada, on Wednesday. LIMA — Ohioans should monitor the air quality index daily this summer, as wildfires in ...

Wildfires have been raging along the West Coast and in Canada for most of the spring and summer. For some U.S. residents, ...