北京前11月PM2.5平均浓度达有监测记录以来历史同期最优

Group 1 - The average concentration of PM2.5 in Beijing from January to November was 26.5 micrograms per cubic meter, a year-on-year decrease of 16.7%, marking the best historical level for the same period since monitoring began [1] - The number of good air quality days reached 282, an increase of 23 days compared to the previous year [1] - The implementation of the "0.1 microgram" action plan has led to significant results in structural emission reduction, promoting the electrification of vehicles, green upgrades for enterprises, and refined urban management [1] Group 2 - The number of new energy vehicles in Beijing exceeded 1.28 million, with over 50% of new cars being electric, and the electrification rate of non-road mobile machinery increased to over 40% [1] - A total of 1,090 new green enterprises were established this year, raising the proportion of green enterprises to 37.5% [1] - The city has exceeded its targets for clean heating renovations and improved the pollution control levels of 1,401 catering units, completing annual tasks ahead of schedule [1] Group 3 - The average dust load on city roads decreased by 18.6% year-on-year, reflecting enhanced dust control measures [2] - The introduction of fully enclosed construction techniques for foundation pits has resulted in 13 new installations this year, bringing the total to 25 [2] - Efforts to strengthen waste gas collection and treatment at 17 large-scale livestock farms have successfully exceeded ammonia reduction targets [2] Group 4 - Beijing will focus on the characteristics of pollution during the autumn and winter seasons, enhancing air quality forecasting and targeted actions in key areas to ensure the completion of the "14th Five-Year" planning goals and the Blue Sky Defense War action plan by 2025 [2]