<P> The Great Smog of London , or Great Smog of 1952 , was a severe air - pollution event that affected the British capital of London in early December 1952 . A period of 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 and then dispersed quickly when the weather changed . </P>
<P> The Great Smog of London , or Great Smog of 1952 , was a severe air - pollution event that affected the British capital of London in early December 1952 . A period of 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 and then dispersed quickly when the weather changed . </P>
what factors led to the deadly smog in london in 1952
what factors led to the deadly smog in london in 1952
A period of cold weather , combined with an anticyclone and windless conditions collected airborne pollutants
A period of cold weather , combined with an anticyclone and windless conditions collected airborne pollutants