Canadian Wildfire Smoke Turns Air Hazardous in the US Midwest. Officials Say Stay Inside
NEW YORK (AP) — Heavy, pungent smoke from Canadian wildfires darkened skies in the U.S. on Thursday, from the Great Lakes to parts of the East Coast, reducing visibility for commuters and prompting warnings about air quality that made outdoor activities dangerous. Detroit’s air quality was among the worst in the world for major cities,