Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. Canadian wildfires ...

Air quality concerns continue to expand from the Upper Midwest through the Great Lakes region and into the Northeast and New ...

Most of the air quality alerts pertain to "sensitive groups," including people with heart or lung disease and asthma. However ...

Millions of people across the Upper Midwest and the Northeast are under air quality alerts Monday, as smoke from wildfires in ...

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.

An air quality advisory is in effect for New York City on Monday due to wildfire smoke from Canada, according to officials.

With hundreds of wildfires burning across Canada, smoke has drifted into the northern United States, lowering air quality across roughly a dozen states.

Detroit currently is ranked third worst worldwide for major city air quality today, Aug. 4, because of smoke from Canadian ...

Canada is experiencing a terrible wildfire season with nearly 4,000 wildfires so far this year, close to a record pace.

The worst air quality in recent years occurred in June 2023, when the smoke became so thick it created an orange haze over ...

Smoke from ongoing wildfires in Canada is impacting the air quality in states across the Midwest and Northeast of the U.S.