X @The Wall Street Journal

Wildfire smoke from Canada is shrouding the Northeast and the Midwest, harming the air quality during a summer heat wave.Winds swept smoke from the north, where the Canadian government reported more than 100 uncontrolled wildfires. Swaths of the Northeast and Midwest were under air quality alerts that might continue into Thursday, according to the National Weather Service.“Expect we’ll once again see widespread reduced visibility, perhaps even lower than what we’re seeing so far,” the National Weather Servi ...