Industry

Household boilers,

Transport.

The share of each of these sources in General, air pollution varies greatly depending on location. It is now widely acknowledged that the most heavily pollute the air industrial production. Sources of pollution - power plants, which together with the smoke released into the air of sulphur and carbon dioxide; metallurgical enterprises, especially non-ferrous metals, which are released into the air nitrogen oxides, hydrogen sulfide, chlorine, fluorine, ammonia, phosphorus compounds, particles and compounds mercury and arsenic; chemical and cement plants. Harmful gases into the air from combustion of fuel for industrial purposes, heating of dwellings, transport, incineration and recycling of domestic and industrial waste.