IQ Air s Air Quality Index in the US currently ranks Chicago, Detroit, and Washington, D.C. as the three cities in the world with the poorest air quality. This alarming development highlights the severity of the situation caused by the influx of Canadian wildfire smoke.
U.S. National Weather Service offices across the U.S. interior began issuing alerts Friday and continued to advise residents about lingering smoke through the weekend.
U.S. National Weather Service offices across the U.S. interior began issuing alerts Friday and continued to advise residents about lingering smoke through the weekend.