Question

what is mean by air pollution ?​

Answer 1

pollution :-

contamination of air by harmful substances like poisonous gases , smoke , particulate matter , etc. is called as air pollution .

Answer 2

Explanation:

Air pollution is a mixture of solid particles and gases in the air. Car emissions, chemicals from factories, dust, pollen and mold spores may be suspended as particles. Ozone, a gas, is a major part of air pollution in cities. When ozone forms air pollution, it's also called smog.