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

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 gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

Mapped: Canada’s wildfires are impacting air quality in these US communities - Dangerous wildfire smoke has tinged skies over ...

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

Although the majority of wildfires are occurring in western Canada, smoke from these fires has been drifting eastward, ...

Most of the evacuated residents were from Manitoba. Residents in Alberta and Saskatchewan were also relocated.

Elsewhere in the area, air quality was deemed moderate rather than good. The air quality advisory was issued ...

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

Through parts of Minnesota and into Wisconsin, the air quality is deemed unhealthy for people and animals sensitive to ...

Air quality alerts have also been posted for the Interstate 95 corridor in the Northeast between Philadelphia, New York City ...