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Industrial

Great Smog of London

5 – 9 December 1952 London · United Kingdom

Great Smog of London
Image: N T Stobbs · CC BY-SA 2.0, via Wikimedia Commons
12,000Deaths
Not quantifiedDisplaced / homeless
Not quantifiedEstimated cost

An anticyclone traps the smoke from coal stoves and power stations over London. For five days a yellowish, acidic fog cuts visibility to a few metres.

Consequences

Human consequences

Hospitals are overwhelmed with respiratory patients; buses run behind guides walking ahead with torches.

Environmental consequences

Particulates and sulphur dioxide reach extreme concentrations.

Economic consequences

Transport is paralysed and activity almost stops for several days.

Political consequences

It leads to the Clean Air Act of 1956, one of the first major laws against air pollution.

Further reading

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In the rankings : The worst industrial and nuclear disasters No. 1

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