The good news is the air won't be as difficult to breathe on Aug. 1. The bad news is the Canadian wildfire smoke is still ...

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

Last week, Canadian wildfire smoke blanketed Wisconsin and caused the Air Quality Index to reach the unhealthy level for ...

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 ...

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

An air quality alert was issued by the National Weather Service in Mount Holly at 3:45 p.m. on Monday, July 28.

"The New Jersey Department of Environmental Protection has issued a code orange air quality alert Tuesday for Ocean County ...

The Canadian wildfire smoke that covered northwest Wisconsin July 24 has moved south and is causing air quality problems in ...

Canadian wildfire smoke has triggered air quality advisories across Wisconsin, Minnesota, and Michigan. In Wisconsin, ...

The Air Quality Alert has been extended for both Wisconsin and Illinois through Friday, lasting until Noon for southern Wisconsin and Friday night for northern Illinois. Significant impacts from ...

Friday morning, Chicago's air quality showed a PM 2.5 of 157. Typically, anything above 100 is considered to be hazardous to at least some groups, and anything over 150 is considered to be “unhealthy, ...

Several wildfires burning across the northwestern Canadian provinces are again sending vast amounts of smoke into the upper Midwest and northeastern US, swamping the area with unhealthy air quality – ...