How it unfolded.
The five-minute version
What actually happened.
The Great Smog was a severe air pollution event that affected London, England, in December 1952. A period of unusually cold weather, combined with an anticyclone and windless conditions, collected airborne pollutants—mostly arising from the use of coal—to form a thick layer of smog over the city. It lasted from Friday, 5 December to Tuesday, 9 December 1952, then dispersed quickly when the weather changed.
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Captured in time.
Captured before it changed
The web as it looked, the day it happened.
Wayback Machine snapshots of the pages people actually loaded that day. Click any card to open the archive at full size.
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Sources & citations.
Sources
Where this came from.
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By providerWikipedia1
Wikipedia
1 source- 1.Great Smog of London
en.wikipedia.org