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 ...

Canada is having another bad wildfire season, and more than 27,000 people in three provinces have been forced to evacuate.

Parts of central Pennsylvania are under a code orange air quality alert, but the Midwest is seeing bigger air quality ...

Many fires burning across Canada, forcing evacuations and threatening air quality in the United States, cannot simply be put out, authorities and experts say.

Wildfires scorching several Canadian provinces have driven at least 33,400 people from their homes, with smoke now reaching ...

Air quality alerts have been issued for parts of northern Manitoba and Saskatchewan as well as Michigan and Indiana ...

Smoke from Canadian wildfires carried another day of poor air quality south of the border, where conditions in parts of Minnesota, Wisconsin and Michigan were rated 'very unhealthy' Tuesday.

Smoke from Canadian wildfires began to worsen air quality in the eastern U.S. on Wednesday as several Midwestern states ...