Question

What are the sources of air pollution in
metropolitan cities in India? Explain with
examples.

Answer 1

Answer:

Vehicle exhaust is up to 30%

Biomass burning is up to 20%

Soil and road dust is up to 20%

Industries is up to 15%

Open waste burning is up to 15%

Diesel generators is up to 10%

Power plants is up to 5%

Outside the urban airshed is up to 30%

Answer 2

Answer:

Air pollution is the presence of substances in the atmosphere that are harmful to the health of humans and other living beings or cause damage to the climate or to materials. There are different types of air pollutants, such as gases, particulates, and biological molecules. Air pollution may cause diseases, allergies, and even death to humans; it may also cause harm to other living organisms such as animals and food crops and may damage the natural or built environment. Both human activity and natural processes can generate air pollution.

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