Wildfire smoke blowing across the U.S. is more toxic than we thought

Wildfires are threatening homes on the West Coast and in Canada, but their smoke is polluting air as far away as New York. From his uptown Manhattan home in Morningside Heights, Samir Kumar can usually see skyscrapers downtown. But this week, as smoke from wildfires raging in the western United States and Canada rode the jet stream to the East Coast, the city skyline was blurred out.
Read more: https://www.nationalgeographic.com/environment/article/wildfire-smoke-blowing-across-country-more-toxic-than-we-thought?source=Snapzu