The London Smog Disaster The Tragic Tale of the London Smog: A Toxic Legacy The early 20th century painted London in a haze—literally. Thick, yellow smog regularly rolled through the city, but nothing compared to the Great Smog of 1952. For several days that December, the city was suffocated under a toxic cloud so dense that visibility dropped to a few feet. This wasn’t just “fog.”It was a dangerous cocktail of coal smoke, sulfur dioxide, and traces of toxic heavy metals like
