Hazardous wildfire smoke chokes millions in US, Canada

AI Summary

Massive wildfires in Ontario, Canada have caused hazardous smoke to spread across parts of the US and Canada, affecting air quality in cities such as New York, Chicago, Detroit, Minneapolis, and Toronto. Health warnings and evacuations have been issued to protect millions of residents.

Canadian wildfires in Ontario have triggered mass evacuations and sent hazardous smoke across parts of the US and Canada, causing unhealthy air quality, health warnings, and precautionary measures in cities including New York, Chicago, Detroit, Minneapolis, and Toronto.