Elsewhere, wildfire smoke from Canada continues to blanket the Midwest, prompting alerts for millions for dangerous breathing ...

A smaller snowpack in Canada has left forests primed to burn, starting wildfire season earlier than normal in recent years.

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the Midwest and worsening air quality, ...

Wildfire smoke from Canada is blanketing the skies in the Midwest, leaving millions with dangerous breathing conditions.

Off and on through this summer, and especially in the past few days, Milwaukee's air quality measurements have deteriorated ...

Chicago air quality remains in the top five worst in the world Friday with an Air Quality Alert in place from Canadian ...

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

Every air quality monitor in Minnesota is reporting red or unhealthy conditions for everyone, an official said.

There is an air quality alert for all of Southeast Michigan until midnight Saturday, the Michigan Department of Environment, ...

The elevated levels of fine particulate matter resulting from wildfire smoke could present significant health risks.

The highest concentration of low-level smoke will remain confined to northeastern Ontario, western Quebec, and into the Ottawa Valley through Saturday evening. These areas can expect degraded air ...