Smoke from Canadian wildfires started making air quality worse in the eastern U.S. on Wednesday as several Midwestern states ...

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

Tens of thousands of residents have evacuated across Canada as the wildfire smoke makes its way south to the United States.

To check your state's air quality, visit AirNow's website, and plug in your zip code, city or state. Here's what to know as of Wednesday, June 4. Parts of Wisconsin, Iowa, Illinois, Indiana and ...

More than 25,000 residents in three provinces have been evacuated as dozens of wildfires remained active Sunday and ...

More than 25,000 residents in three provinces have been evacuated as dozens of wildfires remained active Sunday and ...

An air quality map shows conditions across the United States on Wednesday as Canadian wildfire smoke is forecast to continue ...

Nearly two dozens wildfires were burning in the Canadian province of Manitoba, which is just north of Minnesota and North ...

Smoke from Canadian wildfires has carried another day of poor air quality south of the border to the American Midwest.

The Iowa Department of Natural Resources has announced an air quality alert across Iowa that will be in effect until 6 a.m., Thursday, June 5. During this time, Iowa DNR expects the air to contain an ...

The American Lung Association's annual air quality report shows that some of the most polluted air is in the areas around Las ...

Assembly of Manitoba Chiefs Grand Chief Kyra Wilson termed it to be one of the largest evacuations in the province since the ...