You may know of smog as the haze seen on hot, sticky days above a big city. You may also have witnessed it in a beautiful sunset (you can thank smog for those bright oranges and deep reds). But did you know that it can choke a city and bring it to its knees in a matter of days? That’s what happened in Donora, Pennsylvania, back in 1948.
We bring you that story and pack in some of the science behind particulate air pollution in a short piece we recently produced for Distillations, a podcast by the Chemical Heritage Foundation in Philadelphia, PA.
Check out the episode here!