What does air pollution mainly include?

Air pollutants can be mainly divided into two categories, namely natural pollutants and man-made pollutants, and man-made pollutants are often pollutants that cause public hazards, mainly from fuel combustion and large industrial and mining enterprises.

Particulate matter: refers to liquid and solid substances in the atmosphere, also known as dust.

Sulfur oxide: it is the general term for sulfur oxides, including sulfur dioxide, sulfur trioxide, sulfur trioxide, sulfur monoxide, etc.

Oxides of carbon: mainly including carbon dioxide and carbon monoxide.

Nitrogen oxides: The general term for nitrogen oxides, including nitrous oxide, nitric oxide, nitrogen dioxide and nitrogen trioxide.

Hydrocarbons: Compounds formed by carbon and hydrogen, such as methane, ethane and other hydrocarbon gases.

Other harmful substances: such as heavy metals, fluorine-containing gases and chlorine-containing gases.