北京PM2.5浓度四年再降近两成

Core Points - Beijing has achieved significant improvements in air quality, with PM2.5 levels decreasing from 38 µg/m³ in 2020 to 30.5 µg/m³ in 2024, marking a 19.7% reduction over four years [1][3] - The city recorded 290 days of good air quality in 2024, the highest in history, with only 2 days of heavy pollution, a reduction of 8 days compared to 2020 [3][4] - The ecological environment has improved, with the ecological environment quality index (EI) reaching 71.4 in 2024, indicating a stable and good ecological status [4] Air Quality and Water Environment - PM2.5 levels have consistently met national secondary air quality standards for four consecutive years, earning recognition from the UN Environment Programme as a "Beijing Miracle" [3][7] - Water quality has also improved significantly, with 87.2% of rivers classified as I-III grade, an increase of 23.4 percentage points since 2020 [3][5] - Sensitive species such as mayflies and stoneflies have been observed in local rivers, indicating a healthier aquatic ecosystem [3][5] Energy Consumption and Carbon Emission - The energy consumption per unit of GDP in Beijing has decreased to 0.163 tons of standard coal, making it the most efficient in the country [7][8] - Renewable energy consumption has increased to 17% of total energy use, a 6.6 percentage point increase since 2020, with renewable energy generation capacity growing by 42% [7][8] - The city aims to transition from energy consumption control to carbon emission control in the upcoming "15th Five-Year Plan" [9][10] Industrial and Transportation Developments - The industrial sector has seen a 30.8% reduction in energy consumption per unit of added value compared to 2020, exceeding the planned target [8][9] - Over 80% of vehicles in Beijing meet the National V emission standards, with 1.2 million new energy vehicles promoted [9][10] - The city has achieved a significant reduction in coal consumption, dropping from 2,180 million tons in 2012 to 320,000 tons in 2024, with coal accounting for only 0.3% of total energy consumption [9][10] Policy Support and Future Plans - Beijing plans to allocate over 80 million yuan in support for 52 projects aimed at promoting green and low-carbon development [10][11] - The city will continue to focus on air pollution prevention, green low-carbon transformation, and optimizing energy structure in the "15th Five-Year Plan" [11]