Air Pollution Facts 2024 Wikipedia. Air pollution consists of chemicals or particles in the air that can harm the health of humans, animals and plants. Air pollution is a mix of particles and gases that can reach harmful concentrations both outside and indoors.

Air pollution is a major environmental threat and one of the main cases of death among all risk factors, ranking just below hypertension, tobacco smoking and high glucose. Air pollution consists of chemicals or particles in the air that can harm the health of humans, animals and plants.