Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern US, sending air quality across the Midwest and northeast US and Toronto to unhealthy levels.

Smoke from Canadian wildfires has triggered air quality alerts across several US states, including Vermont, New York, ...

As result of severe wildfires in Canada, Minnesota is facing the longest air quality alert on record since the Minnesota ...

Smoke from the more than 700 wildfires burning in Canada is continuing to blanket parts of the Midwest for a final day.

Dr. Dorothy Curran says fine particles in wildfire smoke especially affect sensitive groups, like kids with asthma or Chronic Obstructive Pulmonary Disease (COPD).

Minneapolis faced hazardous air quality, ranking second-worst globally due to Canadian wildfire smoke. Air quality alerts ...

Wildfire smoke from Canada has prompted air quality alerts across several states in the US. Air quality alerts were issued in Iowa, Minnesota, Wisconsin and Michigan, Nebraska, Indiana and Illinois.

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air.

As if ongoing rains and flooding weren't bad enough, several U.S. states must now battle fires, some of which haven't even originated in the U.S. According to ABC News, a series of recent wildfires in ...

Blazes across several Canadian provinces and territories pose health risks to Canadians and their southern neighbours.

After some improvement in terms of air quality Friday, conditions were once again expected to worsen in West Michigan by Saturday.

A Genesee County lottery club took a trip to Michigan's Upper Peninsula and returned home millionaires after winning $2 ...