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Fog is a visible aerosol consisting of tiny water droplets or ice crystals suspended in the air at or near the Earth's surface. [1] [2] Fog can be considered a type of low-lying cloud usually resembling stratus and is heavily influenced by nearby bodies of water, topography, and wind conditions.
The Great Smog of London, or Great Smog of 1952, 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.
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The thick, smoky fog enveloped London between 4 and 7 December 1962. [3] [4] Visibility was reduced to a level that lighted objects could only be seen as far as 50 feet away, while the smog caused the cancellation of flights at Heathrow Airport as well as the closure of the airport itself. [4]
Piccadilly Circus during the Great Smog of London, 1952. Pea soup fog (also known as a pea souper, black fog or killer fog) is a very thick and often yellowish, greenish or blackish fog caused by air pollution that contains soot particulates and the poisonous gas sulphur dioxide.
The Great Smog of 1952 in London. Early in December 1952, a cold fog descended upon London. Because of the cold, Londoners began to burn more coal than usual. The resulting air pollution was trapped by the inversion layer formed by the dense mass of cold air.
Smog, or smoke fog, is a type of intense air pollution. The word "smog" was coined in the early 20th century, and is a portmanteau of the words smoke and fog [ 1 ] to refer to smoky fog due to its opacity, and odour. [ 2 ]
Fog is a visible mass consisting of cloud water droplets or ice crystals suspended in the air at or near the Earth's surface. Fog or FOG may also refer to: Poetry and books