亮眼数据绘就2025年生态环保“美丽画卷” 以“含绿量”提升发展“含金量”

Core Insights - The ecological status assessment report highlights significant improvements in key regions of China, indicating effective ecological protection and restoration efforts [1][3] Group 1: Ecological Improvements - The Yellow River basin has established a governance system that promotes collaboration between central and local authorities, leading to improved ecosystem quality and a vegetation "green line" extending approximately 300 kilometers to the northwest [3] - The ecological quality of the Yangtze River Economic Belt's tributaries is improving year by year, with a notable recovery trend in over 50% of the important ecological spaces in the Qinling region [3] - Desertification in typical areas has decreased, with a 12.9% reduction in sandification in the Yellow River "bent" region [3] Group 2: Air Quality Enhancements - The average PM2.5 concentration across 339 cities is 28.0 micrograms per cubic meter, a year-on-year decrease of 4.4%, while PM10 concentration is 48 micrograms per cubic meter, down 2.0% [5] - The proportion of days with good air quality, excluding days with abnormal dust levels, is 89.3%, an increase of 1.9 percentage points year-on-year [7] - In the Beijing-Tianjin-Hebei region, the average PM2.5 concentration is 37.3 micrograms per cubic meter, down 11.6%, with a good air quality day ratio of 73.8%, up 5.5 percentage points [11] Group 3: Water Quality Improvements - The proportion of water quality monitoring sites with good water quality (Class I-III) is 91.4%, an increase of 1.0 percentage point year-on-year, with a 0.6% proportion of poor quality sites [12] - In major river basins, the proportion of good water quality sites is 93.0%, up 0.6 percentage points, while the proportion of poor quality sites is 0.4%, up 0.1 percentage points [12] - Among 209 monitored key lakes and reservoirs, 78.5% have good water quality, an increase of 1.4 percentage points, while the proportion of poor quality lakes has decreased by 1.0 percentage point to 3.3% [12] Group 4: Pollution Prevention Achievements - During the 14th Five-Year Plan period, significant progress has been made in pollution prevention, including the completion of ultra-low emissions transformation for 940 million tons of crude steel production capacity [13] - The clean heating rate in northern regions has reached 83%, and the remediation completion rates for important rivers and lakes are 95% and 99%, respectively [13] - The construction of "waste-free cities" is being progressively advanced, and actions for managing new pollutants are being implemented [13]