Question

In 1952 over 4,000 people died due to a 5-day temperature plunge which trapped acid aerosols in the atmosphere in what major European city

Answer 1

I think it in Loudon, England, I remember I heard a story about London that some kind of poisonous air last for almost a week killing a lot of people there, also the government of England say that this is the worst air polluting in history of its country.