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What is Air Pollution

Air pollution occurs when gases, dust particles, fumes (smoke) or odour are introduced into the atmosphere in a way that makes it harmful to humans, animals and plants. This is because the air becomes dirty (contaminated or unclean).

The Earth is surrounded by a blanket of air (made up of various gases) called the atmosphere. The atmosphere helps protect the Earth and allow life to exist. Without it, we would be burned by the intense heat of the sun during the day or frozen by the very low temperatures at night.

Anything additional gas, particles or odours that are introduced into the air (either by nature or human activity) to destroy this natural balance can be called air pollution.