PM2.5年均浓度首次“破30” 北京空气质量多项指标创监测以来最优

Core Viewpoint - In 2025, Beijing achieved significant improvements in air quality, with PM2.5 annual average concentration dropping to 27.0 micrograms per cubic meter, marking a historic low and a milestone in air pollution control efforts [2][6][12] Group 1: Air Quality Improvements - The annual average concentration of PM2.5 in Beijing for 2025 is 27.0 micrograms per cubic meter, a year-on-year decrease of 11.5%, and the first time it has fallen below 30 micrograms [2][4] - Other major pollutants also saw improvements, with PM10, NO2, and O3 concentrations at 48, 22, and 159 micrograms per cubic meter respectively, showing year-on-year declines of 11.1%, 8.3%, and 7.0% [2] - The air quality was classified as good for 311 days in 2025, an increase of 21 days from the previous year, resulting in a good air quality rate of 85.2% [4][10] Group 2: Long-term Trends - Since 2013, PM2.5 levels have shown a long-term improvement trend, decreasing from 89.5 micrograms per cubic meter to 27.0 micrograms per cubic meter, a reduction of 69.8% [6][8] - Heavy pollution days dropped dramatically from 58 days in 2013 to just 1 day in 2025, a decrease of 98.3% [8][10] Group 3: Policy and Implementation - The achievement of improved air quality is attributed to comprehensive efforts in pollution control, including the promotion of new energy vehicles, with over 60% of new cars being electric by 2025 [12][14] - The city has implemented strict management measures, including enhanced dust control and green construction practices, leading to a significant reduction in road dust levels [12][14] - Collaborative efforts with neighboring regions have also played a crucial role in improving air quality through coordinated pollution control measures [14]