It was so thick it brought road, air and rail transport to a virtual standstill. The smoke-like pollution was so toxic it was even reported to have choked cows to death in the fields. To keep warm, the people of London were burning large quantities of coal in their homes. A fog so thick and polluted it left thousands dead wreaked havoc on London in 1952. According to MetLink, "The weather in November and early December 1952 had been very cold, with heavy snowfalls across the region. and it took the 1952 fog for Britain to not only make a change toward cleaner air but to change the perception of fog in the public mindset. The Great Smog, which blanketed the British capital for five days in December 1952, is estimated by some experts to have killed more than 12,000 people and hospitalized 150,000. Realistically, it’s now believed that between 10,000 and 12,000 people died as a result of the London fog. The mucky pollutants were left to hang in the air, where condensed water clung to them and created an acid fog.Īnd it's not like the chilly December weather was doing them any favors. At the time, the London smog deaths were estimated to be around 4,000, though 100,000 more were thought to be made ill with respiratory diseases. When mist formed in the layer of cold air, the sun couldn't reach the ground to begin the evaporation process. All the smoke and pollution from houses, industry, you name it - it was all trapped near the ground. The event was of great significance in the history of public health, resulting in the. While normally warm air near the ground rises up through the cold air above it, the air in London near the ground ended up becoming cooler than the air above it - a thermal inversion. This year marks the 70th anniversary of the Great Smog of London, which occurred between 5-9 December 1952. But by nightfall, the smog had thickened to a heavy, sulfurous smelling fog. A London man helps a double-decker find its way through the December 1952 Great Smog, which paralyzed the city for five days and is estimated to have caused the deaths of more than 12,000 people. 5, 1952, when a rather more typical smog hung in the air during the day.
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