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China

The Beautiful and Sustainable Cities Index - Water Quality

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State-controlled Section Class I-III Percentage

  1. Blue City Water Quality Index Ranking

  2. Water Quality Index Ranking

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城市地表水环境质量表现基于城市水质指数(CWQI),使用生态环境部门发布的国家地表水水质监测断面数据计算,仅供参考。计算方法参照《城市地表环境质量排名技术规定(试行)》,数值越高代表水环境质量越好。

Year
  1. 2025
  2. 2024
Month
  1. Month
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. 6
  8. 7
  9. 8
  10. 9
  11. 10
  12. 11
  13. 12

蔚蓝城市水环境指数使用IPE收集的国家和地方地表水水质监测断面水质评价数据,经过加权赋分计算,再根据分数段划定等级,数值越高代表水环境质量越好。

Centralized Drinking Water Source Meeting Standard Rate

Note: The ranking of Ground Water Quality Ranking is based on CWQI, calculated using the national surface water quality monitoring section data released by the Departments of Ecology and Environment. The data is for reference only.
The calculation method is based on the Technical Regulations for Urban Surface Environmental Quality Ranking (Trial). The lower the data, the better the water environmental quality.
City Water Quality uses the water quality assessment data of national and local surface water quality monitoring sections collected by IPE. The grade is determined after score weighting. The lower the score, the better the water environment quality.

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