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环保部:将推动臭氧与PM2.5协同控制

2017-08-22 16:27:13   国际在线

国际在线报道(记者 杨琼):针对京津冀区域今年上半年空气污染物浓度不降反升,中国环境保护部官员22日回应,主要是由于1、2月份发生多次空气重污染过程。而今年3-6月份PM2.5浓度实现历史同期最低。针对臭氧污染的问题,这位官员透露,中国已将臭氧污染防治纳入大气污染防治工作议事日程。

中国环境监测总站发布的信息显示,2017年,中国臭氧超标率明显增加,峰值浓度出现明显抬升。环境保护部宣传教育司巡视员刘友宾在例行记者会上表示,控制臭氧污染需要按照一定比例协同削减NOx(氮氧化物)和VOCs(挥发性有机物)排放,结合各地污染状况、产业特征、经济社会发展水平采取差异化控制策略。目前,中国已将臭氧污染防治纳入大气污染防治工作议事日程,有望在2020年前初步遏制VOCs排放和臭氧污染上升趋势。刘友宾说:“我们在继续将pm2.5作为大气污染治理首要任务的同时,将以加强NOx和VOCs排放控制为重点,扎实推进臭氧和pm2.5协同控制,积极削减臭氧生成的前体物NOx和VOCs,加快重点行业的污染治理。加快制定农药、涂料、医药、无组织逸散的排放标准,进一步研究臭氧的形成机理,以及重点区域NOx和VOCs的最佳协同减排比例。”

近期,环保部公布了今年上半年空气质量情况。上半年,京津冀区域13个城市PM2.5浓度为72微克/立方米,同比上升14.3%。对于京津冀地区PM2.5和PM10浓度不降反升的情况,刘友宾表示,主要是今年1、2月份发生多次空气重污染过程,拉低了上半年优良天数的比例。而3-6月份,PM2.5连续四个月实现历史同期最低,平均浓度通过下降25%。目前,环保部已经制定了《京津冀及周边地区2017-2018年秋冬季大气污染综合治理攻坚行动方案》,攻坚行动将聚焦重点区域、重点行业,督促地方及时做好信息公开,实行“量化问责”,做好秋冬季大气污染防治工作。刘友宾说:“实践证明,《大气污染防治行动计划》关于大气污染防治的各项部署是正确的。同时,我们也要看到,当前大气环境质量离公众的期待仍有较大差距,违法排污问题任然严重,特别是大气污染防治强化督查行动以来,各地发现的大量散乱污企业,打好蓝天保卫战。”

今年4月,环保部启动京津冀及周边地区大气污染防治强化督查。这个长达一年的督查行动被称为是“史上最大规模”。刘友宾表示,目前,已完成9个轮次的督查轮换。通过持续高压执法,进一步传导治污压力,企业达标排放率明显提高,“散乱污”企业清理整顿取得初步成效,环境恶化的状况得到有效遏制。

与此同时,中央环保督察已实现对全国31个省市区的全覆盖。环保部政策法规司司长别涛表示,目前,已经形成了一种强有力的对环境违法行为高压势态。别涛说:“一个是反对部分地方,在平时疏于监管,使违法企业长期存在,污染环境。第二个反对部分地方,平时不作为,到了环保督察检查巡查的时候,采取简单、粗暴的方法,片面处理发展与环保的关系,这是严重的不负责任,也是滥作为。对违法企业应该坚持零容忍,严格执法,公平执法。对环保守法企业,应该公正对待,依法保护合法经营权。”

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