Air pollution is a pressing environmental issue that affects millions of people worldwide. It refers to the presence of harmful substances in the atmosphere, which can originate from both natural and human-made sources. As urbanization and industrial activities increase, so does the concentration of pollutants in the air we breathe.

AIR POLLUTION Air pollution is the presence of substances in the atmosphere that are harmful to humans and other living beings, or cause damage to the environment. Air pollution can be chemical, physical or biological. Air pollution can have a disproportionate impact on vulnerable groups, such as:   Children: Their developing