Here's how Canadian wildfires are worsening air quality across the U.S.
![A person jogs through a Brooklyn park on a hazy morning resulting from Canadian wildfires on June 6 in New York City.](https://media.npr.org/assets/img/2023/06/06/gettyimages-1496393300_wide-f08297d314cff76171e41a4a0a12bd5c8d2ef4db.jpg?s=600)
The National Weather Service said air quality has "plummeted" across the Northeast. A disaster preparedness expert says people should take the warnings seriously.
(Image credit: Spencer Platt/Getty Images)
![](https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=1180508544)