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MANAGEMENT

Position:City Rankings

Air Quality Ranking
Air Quality Ranking

Rank key cities, provincial capitals and key provinces, mainly based on the air quality information like blue sky days and average concentration of various pollutants. All data used come from public data sources, such as statistical yearbooks, statistical bulletin and official websites.

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Air Emissions Ranking
Air Emissions Ranking

Rank key cities, provincial capitals and key provinces, mainly based on the emission information of various pollutants, including SO2, NOx, PM and so on. All data used come from public data sources, such as statistical yearbooks, statistical bulletin and official websites.

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Effort Ranking
Effort Ranking

Rank key cities provinces based on the efforts they have done for air pollution control and air quality management, as well as the difficulty they are faced, like pollutants diffusion conditions. All information used come from published sources or research results from relevant institutes.

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