MIchigan's air quality will be unhealthy for some groups Saturday. Check the air quality index map to see if it's good or bad ...

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

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

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

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 ...

Toronto anticipates poor air quality this summer due to ongoing wildfires. Ontario faces a significant increase in fire ...

Many communities in the province remained under an air quality warning on Tuesday while special air quality statements were issued for others.

A heat warning remains in effect for Sunday across much of Ontario, including the southern regions, with Environment Canada ...

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

Toronto was the fourth most polluted major city in the world on Friday night as wildfire smoke hung over the city, according to a global tracker.

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