Bob Oravec Warns Canadian Wildfires Air Quality Will Last a Week

Canadian wildfires air quality worsened Friday as smoke from Canada and Minnesota blanketed Washington, D.C. and spread unhealthy air through Saturday. Canadian wildfires air quality turned hazardous Friday as smoke from Canada and Minnesota pushed deeper into the U.S., blanketing Washington, D.C. and leaving millions in the Great Lakes, Northeast and mid-Atlantic under unhealthy air. Bob Oravec of the National Weather Service said the smoky conditions would not clear quickly.