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 ...

Due to the smoky air, an Air Quality Alert has been extended for all of Southeast Michigan through Sunday. As wildfire smoke ...

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

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

Thick smoke from Canadian wildfires has smothered the Midwest, pushing air quality to unhealthy “red” levels in Iowa, ...

S moke from Canadian wildfires has sent a blanket of smoke over the midwestern United States this weekend. The National ...

When wildfires burn, the smoke can travel long distances and degrade air quality far away, which presents risks for those breathing it.

Wildfire smoke from Canada has made for bad air quality over parts of the Upper Midwest. Most of Minnesota had “unhealthy” air quality Saturday. That is according to a U.S.

Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air because of drifting smoke from Canadian wildfires, covering the northern region o ...