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

An air quality map shows conditions improving in the U.S. on 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.

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 Canadian wildfires is beginning to worsen air quality in the eastern U.S. as several Midwestern states battle ...

An air quality advisory is in effect until 12 a.m., Saturday, June 7, as Michigan continues to see effects of Canadian ...

With 174 active wildfires burning across Canada, several U.S. states are under air quality alerts due to the traveling smoke ...

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

While both dust and smoke are similar, it's also important to point out their differences. Here's how to tell what's causing the haze in your skies.

The Maine Department of Environmental Protection warns that unhealthy conditions may persist through the weekend.