Thick smoke from wildfires that are burning out of control in Canada will be drifting down to New Jersey, New York and other eastern states during the next few days and could push its way down to ground level,

A set of cargo trains in Canada, possibly carrying hazardous materials, was suddenly halted in Ontario after they became trapped in wildfires in the area

Wildfires in Canada are pouring thick clouds of smoke into the US and will usher in unhealthy air quality for millions of people in Northeast and Midwest.

Heavy smoke from several large wildfires blazing in Canada and Minnesota is expected to engulf large swaths of the Midwest and Northeast U.S. this week, exposing millions of people to dangerous air pollution.

Dangerous air quality is forecast for millions of Americans Wednesday.

Update: The air quality forecast for Wednesday in most of Upstate New York is “unhealthy for sensitive individuals,” including people with lung and heart problems. Syracuse, N.Y. — A light haze of wildfire smoke is already drifting across Upstate New York,

Dramatic footage has captured a train surrounded by an advancing wildfire near Armstrong in Northern Ontario, Canada, as hundreds of active blazes continue to burn across the country.

Several large wildfires continue to burn across parts of Ontario sending large plumes of smoke into the Midwest and Northeast.

Wildfires produced massive plumes of smoke near Great Bear Lake in the Northwest Territories, Canada, between July 7 and July 9. Timelapse satellite imagery posted to X by the Cooperative Institute

The heat expected in the Boston area wasn't nearly as oppressive as it could have been because of wildfire smoke from Canada. WBZ-TV's Mike Sullivan reports.