The haze is likely to ease in the East this weekend but linger in the Upper Midwest, where some cities recorded extremely high pollution indexes on Thursday. Source: New York Times Top Stories · Summarized by HeadlinesBriefing Related articlesWhat to Know About Canada Wildfire Smoke and Air Quality in U.S. CitiesMaps Show Where Wildfire Smoke Will Darken Skies on ThursdayWildfires Rage in Ontario as Smoke Affects Toronto’s Air QualityWeekend Weather Is a Summer Stew of Heat, Humidity and HazeWhat the US and Canada Can Expect from the Wildfire Smoke This WeekendMore from New York Times Top StoriesHow Bally Bagayoko, a 53-Year-Old Mayor, Became the Face of France’s Youth ProtestsUncertainty Over Pope’s Health Fuels Familiar Debate Over Vatican’s CandorSchool Shooting in Bend, Ore., Has Heroes and Pain, But Few AnswersTrump Signs Order Exempting Russia From Sanctions LawIlhan Omar’s Sister’s Phone Was Seized Before Search of Lawmaker’s HomeLatest in Public MarketsLagarde Says Sustainable Finances Key for Economic Stability · Bloomberg MarketsJapan’s Takaichi to Attend APEC in China if Parliament Allows · Bloomberg MarketsFairfax’s Watsa Bets On IDBI Payoff As India Booms, Report Says · Bloomberg MarketsIndia Halts Sugar Diversion to Ethanol After El Nino Hurts Crops · Bloomberg MarketsActivists highlight a Big Yellow warning sign for the London market · Financial Times CompaniesRelated briefingsMarkets 24-Hour BriefingMarkets 8-Hour BriefingHomePublic MarketsWildfire Smoke Hazards Millions in Midwest, East CoastSectionsHomePublic MarketsPrivate MarketsTech & GamesMobileDeveloperF1Sports