Smoke from more than 100 wildfires blazing in Canada is expected to spread to impact air quality in more U.S. state.

Smoke from Canadian wildfires began to worsen air quality in the eastern U.S. on Wednesday as several Midwestern states ...

A series of wildfires burning across central Canada sent smoke billowing into the U.S. over the weekend, with few signs that ...

Smoke from Canadian wildfires is making its way to Massachusetts, causing hazy skies and air quality concerns over the next ...

The ongoing Canadian wildfires have reportedly blanketed a third of the United States, affecting millions, with the National ...

As wildfires burn out of control in Canada, smoke is stretching cross the border into the United States, with some states ...

Smoke from Canadian wildfires spread over a third of the US, with poor air quality in parts of New York, New England, and the ...

Parts of Montana, North Dakota, South Dakota, Minnesota, Iowa and Illinois had swaths of air quality warnings ranging ... air pollution and increased health concerns.

smoke is stretching cross the border into the United States, with some states including North Dakota, Michigan and Illinois telling residents to pay attention to air quality and Minnesota issuing ...