Ohioans should monitor the air quality index daily this summer, as wildfires in Canada send smoke down to the Midwest and ...

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

An air quality advisory for Long Island is the result of smoke from Canada wildfires, New York State officials say.

Parts of Canada are seeing some of their most unhealthy air yet, and the smoke is likely to move over the United States again ...

Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with ...

Rain continues in much of northern Alberta, clearing wildfire smoke and helping firefighting efforts across the province.

Plumes of smoke continue blanketing large swaths of the U.S. and parts of Europe, which presents risks for those breathing it. The Midwest, Northeast and Great Lakes regions of the U.S. have "very ...

If you're seeing smoke in the Harford County area, officials say don't worry. The smoke is due to the wildfires in New Jersey ...

The raging fires on Thursday are also expected to degrade air quality in parts of the Great Plains and Midwest. In New York, ...

Smoke traveling from wildfires in Canada, North Dakota and Minnesota triggered an air quality warning in northern Wisconsin.

Smoke from wildfires raging in Canada has drifted into the United States, affecting air quality as far south as Florida.

Maps show where new plumes of smoke will cause hazy skies through the end of the week. Low-level smoke is forecast to spread ...