Chicago records worst air quality in the world from Canada wildfires June 27, 2023June 28, 2023 · Breaking News · By ReportWire Chicago records worst air quality in the world from Canada wildfires – CBS News Watch CBS News Smoke from Canadian wildfires continues to impact cities in the U.S. Chicago on Tuesday had the worst air quality in the world, according to the NOAA. Be the first to know Get browser notifications for breaking news, live events, and exclusive reporting. Not Now Turn On Source link