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How a Strange Toxic Fog Stifled an Entire American City, Killing Twenty People

Summary by Slate.fr
Stuck in an industrial valley in Pennsylvania, the municipality of Donora saw factory smoke fall back on the inhabitants after a thermal reversal in late October 1948.
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Slate.frSlate.fr

How a Strange Toxic Fog Stifled an Entire American City, Killing Twenty People

Stuck in an industrial valley in Pennsylvania, the municipality of Donora saw factory smoke fall back on the inhabitants after a thermal reversal in late October 1948.

·France
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Slate.fr broke the news in France on Saturday, April 25, 2026.
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