1—8月全国地级及以上城市PM2.5浓度同比下降1.2微克/立方米

Core Insights - The press conference highlighted the progress in ecological and environmental quality in China, emphasizing the connection between high-level environmental protection and high-quality development [1] Environmental Quality Improvement - The concentration of PM2.5 in cities at or above the prefecture level is projected to decrease to 29.3 micrograms per cubic meter by 2024, a reduction of 16.3% compared to 2020 [1] - The proportion of days with good air quality reached 87.2%, an increase of 2.4 percentage points from 2020 [1] - The proportion of surface water with good quality exceeded 90% for the first time, with the Yangtze and Yellow Rivers maintaining Class II water quality for several consecutive years [1] Recent Trends - In the first eight months of this year, the PM2.5 concentration in cities at or above the prefecture level decreased by 1.2 micrograms per cubic meter, representing a 4.6% decline year-on-year [1] - The proportion of days with good air quality increased by 1.7 percentage points year-on-year [1] - The proportion of surface water with good quality improved by 0.7 percentage points year-on-year [1] Public Satisfaction - The public's satisfaction with the ecological environment has remained above 90% for four consecutive years [1]