The Wisconsin Department of Natural Resources (DNR) is recommending Wisconsinites reduce their time outdoors Thursday, July ...

Wildfire smoke carries large amounts of particulates and gases. These can act as ozone precursors, causing air to exceed the ...

It’s not uncommon for nasty winter and summer weather to disrupt flight schedules and other operations at Canada’s biggest and busiest airport, but officials at Toronto Pearson Airport in Mississauga ...

"A lot of the prairies within Canada, the prairie provinces, entered the fire season already starting out in a drought, and ...

Canadian oil and gas producer Cenovus Energy posted a fall in second-quarter profit on Thursday, hurt by lower upstream ...

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, ...

Smoke impacts began in northern Wisconsin Tuesday morning and will spread south through the state by July 31. Air quality may briefly improve on July 31 before smoke returns to northern areas on Aug.

The DNR also said Tuesday that Fire Control program staff have been mobilized across the western U.S. and Canada to combat ...

The Air Quality Advisory is in place through at least midday on Saturday. Poor air quality will be an issue on Saturday and perhaps into Sunday as well. Hazy sun on Saturday and a little warmer with ...

Smoke has continued to cloud Illinois' air for a second straight day, but the poor air quality isn't because of a fire in the ...

As wildfires continue to impact communities across Saskatchewan, LifeLabs is pleased to deepen its commitment to relief efforts, contributing an additional $5,000. This latest contribution brings the ...

OTTAWA — Canada's economy contracted for a second straight month in May even as some sectors held up in the face of U.S.