Question

what were the factors responsible for high pollution level in calcutta?

Answer 1

Answer:

An analysis of different sources of air pollution in Kolkata has revealed that motor vehicles are the leading contributor to air pollution (51.4%) which is followed by industry (24.5%) and dust particles (21.1%), respectively.

Every year pollution levels in Kolkata rise rapidly in winters due to low wind speed, low temperature, and inversion trap pollution. In winters, particulate levels can be as high as four times the standards.

Answer 2

Answer:

Every year pollution level in Kolkata rise rapidly in winter due to low wind speed, low temperature, and inversion trap pollution. In winter, particulate levels can be as high as four times the standards..