On Tuesday, Oct. 26, 1948, a peculiarly dirty mist settled over Donora. Smog was a fact of industrial life. And in Donora, seated low in the Monongahela River Valley, heavy smog sometimes required streetlamps at midday. But this fog, stalled by a stubborn cold front, grew viscous and increasingly toxic as the week wore on.
Oct 1, 2024 12:10 AM CDT