Like much of the U.S., Chicago was under a thick hazy blanket of wildfire smoke, creating dangerous conditions for anyone who ...

Canada's second-worst wildfire season on record has already burned 7.8 million hectares and could continue for weeks, federal ...

Republican lawmakers are blaming Canada for not preventing and containing wildfires, whose smoke has fouled the air in ...

Heavy clouds of smoke billowing from wildfires filled the sky over mountains and hills in northern and western Spain on ...

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast into Tuesday. At least 738 wildfires are currently burning in Canada, with at ...

Smoke produced by hundreds of wildfires burning across Canada has drifted thousands of miles and nearly circled the entire ...

The mayor of Port Alberni on Vancouver Island says about 50 residents evacuated from their homes due to a nearby wildfire will soon have an update on when they will be able to return.

Air quality alerts are in effect in the Philadelphia area, fueled by smoke from wildfires that are burning thousands of miles ...

Canada wildfire smoke brings unhealthy air to large swaths of the Midwest Air quality alerts were in effect in Iowa, Minnesota, Wisconsin and Michigan.

Air quality remains poor in parts of Canada as wildfire smoke travels along the jet stream — with Europe now in its path.

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the U.S. Midwest and worsening air quality there. On August 1 conditions are particularly bad in Minnesota ...