Canadian Wildfires Push U.S. Air Quality To Dangerous Levels

An aerial view of wildfire of Tatkin Lake in British Columbia, Canada on July 10, 2023. (BC WILDFIRE SERVICE/ANADOLU AGENCY VIA GETTY IMAGES)

Smoke from Canadian wildfires infiltrated major U.S. cities once again, worsening air quality for millions of Americans. 

Detroit, Chicago and Washington, D.C., were three of the 15 cities with the worst air quality cities in the world on Monday, according to IQAir’s rankings.