Health remains a top concern for those living near the burn scars of the Los Angeles wildfires that erupted in January. Now, ...

Wildfire smoke degrades air quality in swaths of Ontario, with Toronto ranking among the worst in the world on Monday.

Canadian wildfire smoke lingers in Michigan. Officials issued an air quality advisory in southeast Michigan for July 15.

The Port of Oakland joins the BWBS initiative to protect whales and reduce air pollution by slowing ship speeds.