Why is Yibin so polluted?

1. Unreasonable industrial structure: In Yibin's industrial structure, traditional industries such as alcohol, electricity, textiles and machinery account for a large proportion, resulting in a large total emission, which is one of the difficulties in atmospheric control.

2. Traffic pollution: With the increasing number of motor vehicles, the impact of motor vehicle exhaust on the ambient air quality in the central city is becoming increasingly obvious. In 20 19, the number of motor vehicles in Yibin was about 930,000, among which 470,000 vehicles passed through the central city.

3. Geographical and climatic conditions: Yibin has a special geographical climate, which is not conducive to the diffusion of atmospheric pollutants.