1948 Donora smog - Wikipedia, the free encyclopediaThe 1948 Donora smog was a historic air inversion resulting in a wall of smog that killed 20 people and sickened 7,000 more in Donora, Pennsylvania, a mill town …
The Donora Fluoride FogThe anniversary of the worst recorded industrial air pollution accident in US history - which occurred 50 years ago this October in Donora, Pennsylvania -will go ...