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北京市PM2.5平均浓度实现四连降 百余项生态工程同时推进

2017-06-14 17:06:00   千龙网

今年3月、4月、5月,PM2.5月均浓度均达到近五年来的同期最低。2013年至2016年,PM2.5平均浓度更是连续4年同比下降,北京市空气质量持续改善。

这份答卷背后,是全市上下共同努力的结果。4年来,市财政累计投入660亿元,带动社会资金共同推进完成各项治污减排工程。昨天,市政府新闻办举行“砥砺奋进的五年”系列发布会,聚焦北京市推进生态文明建设成就,市环保局、市城市管理委、市交通委、市住建委、市水务局等介绍了相关情况。

提升空气质量四项污染指标齐下降

蓝天、白云、晚霞,夏日的京城,频现美景,常常刷屏“朋友圈”。据统计,前5个月,全市PM2.5累计浓度为70微克/立方米(扣除沙尘影响),比2013年同期下降了32%。其中,3月、4月、5月的PM2.5浓度分别为63、53、46微克/立方米,均为近五年同期最低;空气质量达标天数88天。

市环保局局长方力介绍,2013年以来,北京市制定并实施了《北京市2013年至2017年清洁空气行动计划》,依据PM2.5来源解析,聚焦压减燃煤、控车减油、治污减排、清洁降尘等重点领域,全面推进大气污染科学治理、综合治理,使得空气质量持续改善。这4年来,市财政累计投入660亿元,带动社会资金,共同推动完成各项治污减排工程。

到2016年,全市PM2.5年均浓度降至73微克/立方米,较2012年下降了23.7%。同时,其他三项污染物PM10、二氧化硫和二氧化氮较2012年分别下降15.2%、64.3%和8.2%。

今年是落实国家“大气十条”和北京市五年清洁空气行动计划的收官之年,北京市将围绕完成700个村“散煤改清洁能源”、实施4000蒸吨工业和供暖燃煤锅炉的清洁能源改造、重点管控重型柴油车、深化区域大气污染协作机制等十大重点专项措施,促进空气质量继续改善。

推进环境建设也重身边背街小巷

“江山如画”“家园如归”。五年来,利用APEC会议、“九三”阅兵、“一带一路”高峰论坛、疏解非首都功能等机遇,北京推进环境建设。

“江山”指的是代表国家形象和首都品质的重点区域,力争做成精品。而被誉为“神州第一街”的长安街就是典型代表。

长安街及其延长线,特点是“庄严、沉稳、厚重、大气”。市城管委主任孙新军介绍,为了提升长安街的环境,工作人员对沿线建筑立面、园林绿化、景观照明、广告牌匾、交通护栏等“城市家具”进行了套系设计,“整容”“美容”多措并举。预计到今年年底,长安街及其延长线将完成全部整治提升工作,届时,这条“神州第一街”将以崭新的气质重新亮相。

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