Milwaukee has the 2nd worst air quality in the U.S. on June 5, per NYT. An air quality advisory across the state has also ...

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

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

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

More than 25,000 residents in three provinces have been evacuated as dozens of wildfires remained active Sunday and ...

Air quality in some parts of the United States is worsening as smoke from dozens of wildfires in Canada travels south, pushed ...

Air quality alerts and advisories have been issued in multiple states as Canadian wildfire smoke continues to spread.

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

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

As fires continue to rage in Canada, Lower Hudson Valley residents may notice hazy skies and orange-tinted clouds on top of ...

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

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.