Chicago, Detroit suffer under blanket of Canadian smoke

By Melina Walling, Melissa Winder and Trisha Ahmed | Associated Press CHICAGO — Drifting smoke from the ongoing wildfires across Canada is creating curtains of haze and raising air quality concerns throughout the Great Lakes region and in parts of the central and eastern United States. The Environmental Protection Agency’s AirNow.gov site showed parts of Illinois, lower Michigan and southern Wisconsin had the worst air quality in the U.S. on Tuesday afternoon, and Chicago, Detroit and Milwaukee had air quality categorized as “very unhealthy.” In Minnesota, a record 23rd air...