Millions across the U.S., particularly in the Upper Midwest and Northeast, are under air quality alerts due to wildfire smoke drifting from Canada. Virginia has also been affected, with smoke reaching parts of the state, including the Roanoke Valley.
As of Wednesday morning, Roanoke’s air quality is rated moderate on the U.S. Air Quality Index. While considered acceptable, some people, specifically those sensitive to air pollution, may still face health risks…