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京津冀统一重污染预警分级标准

2016-11-22 04:01:40   新京报

从2012年起至今,北京已先后发布了4个版本的重污染应急预案,减排措施越来越严,减排力度越来越大,精细程度也越来越高。但这是否意味着重污染来临时,只要启动了应急预案,就能消除重污染呢?

对此,北京市环保局应急处处长王斌表示,实施重污染应急预案的目的,首先是先保护公众的健康,提醒公众进行健康防护。王斌说,可以看到,在重污染应急措施中,第一类的措施首先是“健康防护引导措施”,包括橙色预警时“中小学、幼儿园停止户外课程和活动”,红色预警时“中小学、幼儿园采取弹性教学或停课等防护措施”都在这一类措施中。

“同时,尽最大努力去减缓污染物的积累,也是实施重污染应急预案的初衷之一。”王斌说,包括橙红两色预警下,机动车限行、工业企业停限产等举措,目的就是让污染物的积累速度放缓,峰值浓度降低,起到“削峰降速”的目的。

“但这并不是说,预警发布了,减排措施启动了,污染就马上降下来,就蓝天白云了。”王斌表示,消除重污染,需要的是常态化的减排措施,持之以恒。尽管这个过程可能很漫长,但这才是“治本之策”。

限行后公交运力如何保障?

限行使得交通畅通,地面公交运力较平时增70%,轨道交通将延长高峰运营时间

根据预案,重污染红色预警启动后,国Ⅰ、国Ⅱ车全市禁行,国Ⅲ以上车辆实施单双号。这意味着,将有更多的人通过公共交通出行,运力上如何保障?

市交通委新闻发言人容军表示,根据以往采取单双号限行措施后的情况来看,实施单双号后,每天采取自驾车出行的比例会减少30%-50%,地面公交客流会增加50万人左右。而由于采取了单双号限行措施,道路交通会畅通很多,所以地面公交的准点率、周转速度有明显提升,运力比平时会增长70%,在此基础上,再增加1.6万车次,基本可以满足乘客的需求。

容军表示,此次,考虑到应急预案修订后,进一步加严了对高排放车辆的控制措施(近40万辆国Ⅰ、国Ⅱ车全市禁行),所以进一步调整运营调度方案,根据每天的需要可以增加2.1万车次。

“轨道交通方面,我们将延长高峰运营时间,根据需要加开临列。”容军表示,在重点部位,还将加派人员值守,遇高峰客流及时果断疏导,并采取限流措施,确保运营秩序和乘客安全。

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