Experts say people should take precautions such as wearing an N95 mask while outdoors or heading inside and closing the windows.

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, ...

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...

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

Massive clouds of pollutants could collide in North Carolina this week and result in poor air quality conditions for millions ...

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

According to AirNow, an EPA and government-run website, the air quality is still good in central Virginia, but ...

Living in the Midwest means being affected by the Canadian wildfires that occur just about every year. Here is what to know ...

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

Wildfire smoke from Canada continues to settle into the St. Louis region, as vibrant sunsets and hazy skies are expected for the next few days.

Smoke that was visible on satellite over Wisconsin and Illinois on Monday is expected to drift into Ohio Tuesday, bringing a ...

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