Canada Wildfire – Footage Compilation: Extreme Haze and Health Warnings Across U.S. East

Ongoing Canadian wildfires have prompted air quality alerts across the Northeast, with New York City topping the list of the world’s worst air pollution. USA Today reports that more than 400 wildfires are burning across Canada, with smoke and unhealthy air quality levels blanketing much of the Great Lakes region and parts of the Northeastern United States.

Wildfire Smoke Destroys Ozone

Smoke aerosols from large wildfires are the perfect reaction surface for chlorine chemicals, speeding their transformation from ozone-friendly forms to reactive ones.