Wildfire smoke is driving terrible air quality in major cities as new plumes arrive from Canada

By Meteorologists Dakota Smith, Brandon Miller, CNN (CNN) — Thick, choking plumes of smoke from Canadas wildfires are pouring into major cities across the Midwest, Northeast and Mid-Atlantic, bringing dangerous air quality to more than 100 million people. The polluted air will last through at least Saturday in some areas as new waves of smoke