Referring to the purpose of investigating 12 pollution-intensive industries in Isfahan, the manager of Isfahan's air pollution control project, Mohammadreza Talaee said, "the project objective was to prepare a list of air pollution sources in 15 municipal districts as well as 12 large industrial sites in city's outskirts in order to manage air quality of Isfahan."

Iran (IMNA) - The main air pollution sources are classified into two categories; mobile and stationary sources. A stationary source in air quality terminology is any fixed emitter of air pollutants, such as fossil fuel burning power plants, petroleum refineries, petrochemical plants, food processing plants and other heavy industrial sources. Air pollutants can spread far beyond the city by wind blow and contaminate the urban areas.

Mobile source air pollution includes any air pollution emitted by motor vehicles, airplanes, locomotives, and other engines and equipment that can be moved from one location to another.

In this regards, about five thousand business castes have been examined by experts to classify the most polluting ones.

Pollution worsens in Isfahan during winter, when cold air and a lack of wind traps hazardous particles close to the ground, a phenomenon known as thermal inversion.

Isfahan Province is one of the main industrial hubs in Iran; so, this central city requires early action for curbing air pollution.

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