Canadian wildfires, along with high temperatures, are partly to blame for hazy skies and foul air. But passing storms may ...

Central Ohio's air quality index has lowered to moderate after smoke from Canadian wildfires has spread to some U.S. states.

Smoke that was visible on satellite over Wisconsin and Illinois on Monday is expected to drift into Ohio Tuesday, bringing a ...

Parts of the Upper Midwest were under air quality alerts on Tuesday. The New York City region is expected to be at risk on ...

A recurring atmospheric phenomenon that doesn't always reach North America is expected to dust SC skies this week.

(Reuters) -Smoke from wildfires burning in three Canadian provinces covered about a third of the U.S. on Wednesday, ...

Canadian wildfire smoke has entered the Upper Midwest and poses significant health impacts in the hardest-hit areas.

Active children, the elderly and people with asthma and COPD are more likely to suffer an increase in the number and severity ...

Active children, the elderly and people with asthma and COPD are more likely to suffer an increase in the number and severity ...

Central Ohio is under an air quality alert Saturday due to smoke from Canadian wildfires. The Mid-Ohio Regional Planning ...

The U.S. Environmental Protection Agency warns that wildfire smoke contains dangerous pollutants in the form of fine ...

In Ohio, the smoke isn’t expected to have a strong impact on air quality since it will remain mostly confined to the upper levels of the atmosphere. As of Tuesday morning, the PM2.5 level ...