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

The Midwest saw some of the worst air quality conditions in the world Thursday, and similar conditions are expected to ...

An air quality alert was reported by the National Weather Service on Friday at 11:55 a.m. EDT in effect until Sunday at ...

An air quality alert was reported by the National Weather Service on Friday at 9:59 a.m. in effect until Saturday at 7 p.m.

Be prepared for hazy conditions and an air quality alert as Canadian wildfire smoke continues to affect the state through ...

Anyone heading there later should be aware that, as far as temperatures go, it will feel about the same as Thursday, but it ...

The state of Minnesota is entering another in a long string of summer days marred by air quality alerts. Poor air quality ...

A thin veil of hazy smoke from Canadian wildfires blanketed the Kansas City sky early Friday, making the air unhealthy from ...

"The air quality is officially dangerous in Chicago," says Brian Urbaszewski, director of environmental health programs at ...

Iowa will be blanketed by hazy skies for the next few days with the air quality index spiking and causing poor conditions for ...

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

As of 9 a.m., six of the 10 cities with the worst air quality in the country are in Wisconsin, according to IQAir, a company ...