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

The ongoing Canadian wildfires have reportedly blanketed a third of the United States, affecting millions, with the National ...

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

You may notice a bit of a haze in the air this week. In part, it’s coming from central Canadian wildfire smoke. We’re keeping ...

Online map tools and resources let you track the Canadian wildfires and monitor poor air-quality conditions, which are ...

Canadian wildfires are raising air quality concerns in several states, including the Dakotas, Minnesota and Wisconsin.

Smoke from raging wildfires in Canada is worsening air quality in some U.S. states. But will Greater Cincinnati be affected?

This early-season smoke is a stark reminder that fire season is no longer confined to the West or wild areas, and more ...

Dust isn't the only threat out there, especially for those with respiratory problems. Smoke from Canadian wildfires is moving ...

There's a haze in the sky across a large portion of the Midwest. The smoke coming from more than 210 fires burning in Canada, ...

Chicago had the worst air quality overnight Wednesday into Thursday, the latest American city to feel the impact of wildfire ...

Smoke from Canadian wildfires could contribute to hazy skies and a "dim" sun for several states later this week.