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

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 ...

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

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

Canadian wildfires continue to burn and the smoke from those fires is still floating aloft in the atmosphere.We've had some ...

Smoke from wildfires raging in Canada has drifted into the United States, affecting air quality as far south as Florida and creating a "very unhealthy" situation in parts of Minnesota on June 3 ...

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.

At such a critical moment in US history ... We believe quality journalism should be available to everyone, paid for by those who can afford it. Smoke from wildfires still raging in Canada is ...