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四川盆地重污染天气17日起将自北向南逐步改善

所属分类:时效热点    发布时间:2019-12-15   作者:
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  ZHONGXINWANGCHENGDOU12YUE12RIDIAN (JIZHE ZHANGLANG)12RI,CHENGDOUSHIDAQIBANZHAOKAI2019NIANDISIJIDUDAQIWURANFANGZHIGONGZUOXINWENTONGQIHUI。HUISHANGTONGBAOLEJINQIKONGQIZHILIANGQINGKUANG,BINGJIESHAOLE2019-2020NIANDONGJIZHANYIGONGZUOQINGKUANGJIZHONGWURANTIANQIYINGJIGUANKONGGONGZUOQINGKUANG。

彩经网  HUISHANG,CHENGDOUSHIQIXIANGTAI、CHENGDOUSHIHUANJINGBAOHUKEXUEYANJIUYUANFENBIEDUIJINQIQIXIANGTIAOJIANHEKONGQIZHILIANGQINGKUANGJINXINGLEYUCEFENXI。YUCEXIANSHI,MUQIANCHENGDOUSHIRENGCHUYUGAOYAJIKONGZHI,JINGWENTIANQIWEICHI,12YUE13RIZHI14RIYOURUOQIXIANGTIAOJIANBODONG,DANDUIWURANGUOCHENGBINGWUGAIBIAN,YUJICICIWURANGUOCHENGRENGJIANGCHIXU。17RIQI,SHOUBEIFANGLENGKONGQIYINGXIANG,ZHENGGEPENDIKONGQIZHILIANGJIANGZIBEIXIANGNANZHUBUGAISHAN。

彩经网  CHENGDOUSHIDAQIBANFUZHURENKUANGLIANGYISHOUXIANTONGBAOLECHENGDOUSHIKONGQIZHILIANGQINGKUANG。JUJIESHAO,JIEZHI12YUE10RI,CHENGDOUSHIKONGQIZHILIANGYOULIANGTIANSHU278TIAN,YOULIANGTIANSHUBILICHAOGUO80%,KONGQIZHILIANGGAISHANLIANGHAO。RANER,12YUESHANGXUNYILAI,SHOUBULIQIXIANGTIAOJIANYINGXIANG,QUANGUODABUFENCHENGSHIDOUZAOYULEYANZHONGDEWURANGUOCHENG,SICHUANPENDIYEBULIWAI,BAOKUOCHENGDOUZAINEIDE14GESHENGNEICHENGSHICHUXIANLEQUYUXINGWURANGUOCHENG。YOUYUCHIXUDEJINGWENTIANQI,CHENGDOUSHIDONGJIDAQIWURANFANGZHIXINGSHIJIAOWEIYANJUN。

  据旷良义介绍,12月以来,市生态环境局会同气象部门加密会商分析频次,及时预测预判中短期及短时天气趋势。4日,根据四川省生态环境监测总站与省气象台联合会商,6日—11日将出现一次区域性污染过程,成都市按照生态环境厅的统一部署,于6日零时动了成都市重污染天气黄色预警;同时结合空气质量会商预判结果,在11日零时升级为橙色预警。省内其他城市也分别启动了黄色预警,并在10日前后升级了预警级别。

彩经网  KUANGLIANGYIJIESHAO,YUJINGQIDONGYILAI,CHENGDOUSHIGEJIGEBUMENGESIQIZHI,RENZHENZUZHILUOSHIGEXIANGYINGJIGUANKONGCUOSHI,12YUE6RI—10RILEIJICHUDONG38.5WANYURENCI;CHENGDOUSHIDAQIBANZUZHI8GEXIANCHANGZUFENFUGEQU(SHI)XIANHEZHONGDIANQUYU,DUIZHONGDIANGONGYEQIYE、JIANZHUSHIGONGGONGDIDENGWURANYUANGUANKONGQINGKUANGJINXINGXIANCHANGDUCHA,12YUE6RIZHI11RIGONGDUCHADIANWEI326GE,FAXIANWENTI96GE。

  XIAYIBU,CHENGDOUSHIDAQIBANJIANGHUITONGSHIJIXIANGGUANBUMENQIANGHUAYINGJIGUANKONG,YANKONGWURANYUANPAIFANG,*DAXIANDU“XUEFENGJIANGSU”;8GEXIANCHANGDUCHAZUJIANGCHIXUYONGHAOTUJIJIANCHA、ANCHA、YECHADENGSHOUDUAN,DUIGONGYEQIYE、GONGDIYANGCHENHEJIDONGCHEGUANKONGQINGKUANGJINXINGZHONGDIANJIANCHA,DUIDUCHAZHONGFAXIANDEHUANJINGWEIFAWENTIYILVYANSUCHACHU,DUIDIANXINGANLIYUYIPUGUANG。

  同时,从近期成都市污染特征分析,机动车尾气排放影响成为主导,占污染物的30%以上,特别是早高峰车流量贡献的一氧化氮等二次颗粒物转化前体物,导致氮氧化速率迅速增大,二次颗粒物迅速攀升。(完)

【编辑:房家梁】

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