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生态环境部通报8月和1-8月全国地表水、环境空气质量状况

2021-09-16 来源:中国足彩网

2021-09-16 来源:中国足彩网
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  shengtaihuanjingbujinrixiangmeititongbaole2020nian8yuehe1-8yuequanguodibiaoshui、huanjingkongqizhiliangzhuangkuang。

  一、地表水
  (一)总体情况

中国足彩网  2020nian8yue,1940geguojiadibiaoshuikaoheduanmianzhong,shuizhiyouliang(ⅰ-ⅲlei)duanmianbiliwei71.3%,tongbishangsheng0.9gebaifendian;lieⅴleiduanmianbiliwei3.2%,tongbixiajiang2.7gebaifendian。zhuyaowuranzhibiaoweizonglin、huaxuexuyanglianghegaomengsuanyanzhishu。

图1  2020年8月全国地表水水质类别比例

中国足彩网  2020nian1-8yue,1940geguojiadibiaoshuikaoheduanmianzhong,shuizhiyouliang(ⅰ-ⅲlei)duanmianbiliwei81.0%,tongbishangsheng6.0gebaifendian;lieⅴleiduanmianbiliwei0.9%,tongbixiajiang3.1gebaifendian。zhuyaowuranzhibiaoweihuaxuexuyangliang、zonglinhegaomengsuanyanzhishu。

图2  2020年1-8月全国地表水水质类别比例

  (二)主要江河水质状况

  2020nian8yue,zhangjiang、huanghe、zhujiang、songhuajiang、huaihe、haihe、liaohedengqidaliuyujixibeizhuhe、xinanzhuhehezheminpianheliuⅰ-ⅲleishuizhiduanmianbiliwei74.6%,tongbishangsheng1.3gebaifendian;lieⅴleiwei2.6%,tongbixiajiang2.8gebaifendian。zhuyaowuranzhibiaoweihuaxuexuyangliang、zonglinhegaomengsuanyanzhishu。qizhong,xibei、xinanzhuhehezhangjiangliuyushuizhiweiyou,zheminpianheliuhezhujiangliuyushuizhilianghao,huanghe、songhuajiang、liaohe、haihehehuaiheliuyuweiqingduwuran。

图3  2020年8月七大流域和西南、西北诸河及浙闽片河流水质类别比例

中国足彩网  2020nian1-8yue,zhangjiang、huanghe、zhujiang、songhuajiang、huaihe、haihe、liaohedengqidaliuyujixibeizhuhe、xinanzhuhehezheminpianheliuⅰ-ⅲleishuizhiduanmianbiliwei84.9%,tongbishangsheng6.7gebaifendian;lieⅴleiwei0.6%,tongbixiajiang3.6gebaifendian。zhuyaowuranzhibiaoweihuaxuexuyangliang、gaomengsuanyanzhishuhewurishenghuaxuyangliang。qizhong,xibeizhuhe、zhangjiangliuyu、zheminpianheliu、xinanzhuhehezhujiangliuyushuizhiweiyou,huanghehesonghuajiangliuyushuizhilianghao,huaihe、liaohehehaiheliuyuweiqingduwuran。

图4  2020年1-8月七大流域和西南、西北诸河及浙闽片河流水质类别比例

  (三)重要湖(库)水质状况及营养状态

中国足彩网  2020nian8yue,jiancede112gezhongdianhu(ku)zhong,ⅰ-ⅲleishuizhihukugeshuzhanbiwei69.6%,tongbishangsheng5.1gebaifendian;lieⅴleishuizhihukugeshuzhanbiwei8.0%,tongbixiajiang0.4gebaifendian。zhuyaowuranzhibiaoweizonglin、huaxuexuyanglianghegaomengsuanyanzhishu。jianceyingyangzhuangtaide104gezhongdianhu(ku)zhong,7gehu(ku)chengzhongdufuyingyangzhuangtai,zhan6.7%;24gehu(ku)chengqingdufuyingyangzhuangtai,zhan23.1%;qiyuhu(ku)weichengxianfuyingyanghua。qizhong,taihuweiqingduwuran、qingdufuyingyang,zhuyaowuranzhibiaoweizonglin;chaohushuizhilianghao、qingdufuyingyang;dianchiweizhongduwuran、zhongdufuyingyang,zhuyaowuranzhibiaoweihuaxuexuyangliang、zonglinhegaomengsuanyanzhishu;erhaishuizhilianghao、zhongyingyang;danjiangkoushuikushuizhiweiyou、zhongyingyang;baiyangdianweizhongduwuran、qingdufuyingyang,zhuyaowuranzhibiaoweihuaxuexuyangliang、zonglinhegaomengsuanyanzhishu。yuquniantongqixiangbi,dianchishuizhiyousuoxiajiang,taihushuizhiyousuohaozhuan,chaohushuizhimingxianhaozhuan,erhai、danjiangkoushuikuhebaiyangdianshuizhiwumingxianbianhua;baiyangdianyingyangzhuangtaiyousuohaozhuan,taihu、chaohu、dianchi、erhaihedanjiangkoushuikuyingyangzhuangtaijunwumingxianbianhua。

中国足彩网  2020nian1-8yue,jiancede112gezhongdianhu(ku)zhong,ⅰ-ⅲleishuizhihukugeshuzhanbiwei73.2%,tongbishangsheng4.1gebaifendian;lieⅴleishuizhihukugeshuzhanbiwei5.4%,tongbixiajiang1.9gebaifendian。zhuyaowuranzhibiaoweizonglin、huaxuexuyanglianghegaomengsuanyanzhishu。jianceyingyangzhuangtaide109gezhongdianhu(ku)zhong,1gehu(ku)chengzhongdufuyingyangzhuangtai,zhan0.9%;6gehu(ku)chengzhongdufuyingyangzhuangtai,zhan5.5%;25gehu(ku)chengqingdufuyingyangzhuangtai,zhan22.9%;qiyuhu(ku)weichengxianfuyingyanghua。qizhong,taihuweiqingduwuran、qingdufuyingyang,zhuyaowuranzhibiaoweizonglin;chaohushuizhilianghao、qingdufuyingyang;dianchiweizhongduwuran、zhongdufuyingyang,zhuyaowuranzhibiaoweihuaxuexuyangliang、zonglinhegaomengsuanyanzhishu;erhaihedanjiangkoushuikushuizhiweiyou、zhongyingyang;baiyangdianweiqingduwuran、qingdufuyingyang,zhuyaowuranzhibiaoweihuaxuexuyangliang、zonglinhegaomengsuanyanzhishu。yuquniantongqixiangbi,dianchishuizhiyousuoxiajiang,chaohuheerhaishuizhiyousuohaozhuan,taihu、danjiangkoushuikuhebaiyangdianshuizhiwumingxianbianhua;dianchiyingyangzhuangtaiyousuoxiajiang,taihu、chaohu、erhai、danjiangkoushuikuhebaiyangdianjunwumingxianbianhua。

  (四)地级及以上城市国家地表水考核断面排名

  canjiapaimingdequanguodijijiyishangchengshi,fugai2050geguokongduanmian(qizhong1940geweiguojiadibiaoshuikaoheduanmian,110geweiruhaikongzhiduanmian)。2020nian8yue,quanguodijijiyishangchengshizhong,laibin、liuzhouheyunfudeng30gechengshiguojiadibiaoshuikaoheduanmianshuihuanjingzhiliangxiangduijiaohao(congdi1mingzhidi30ming),heze、cangzhouheshangqiudeng30gechengshiguojiadibiaoshuikaoheduanmianshuihuanjingzhiliangxiangduijiaocha(congdaoshudi1mingzhidaoshudi30ming);2020nian1-8yue,quanguodijijiyishangchengshizhong,zhangye、liuzhouhejinchangdeng30gechengshiguojiadibiaoshuikaoheduanmianshuihuanjingzhiliangxiangduijiaohao(congdi1mingzhidi30ming),tongchuan、cangzhouhexingtaideng30gechengshiguojiadibiaoshuikaoheduanmianshuihuanjingzhiliangxiangduijiaocha(congdaoshudi1mingzhidaoshudi30ming)。xiangxijianfubiao1~fubiao4。

  二、环境空气

  8月,全国337个地级及以上城市平均优良天数比例为93.0%,同比上升5.9个百分点;PM2.5浓度为17微克/立方米,同比下降15.0%;PM10浓度为34微克/立方米,同比下降15.0%;O3浓度为138微克/立方米,同比下降8.6%;SO2浓度为8微克/立方米,同比持平;NO2浓度为17微克/立方米,同比下降10.5%;CO浓度为0.8毫克/立方米,同比下降11.1%。

  1-8月,全国337个地级及以上城市平均优良天数比例为86.7%,同比上升5.0个百分点;PM2.5浓度为31微克/立方米,同比下降11.4%;PM10浓度为53微克/立方米,同比下降13.1%;O3浓度为142微克/立方米,同比下降4.1%;SO2浓度为10微克/立方米,同比下降9.1%;NO2浓度为22微克/立方米,同比下降12.0%;CO浓度为1.3毫克/立方米,同比下降7.1%。

图5  2020年1-8月全国337个地级及以上城市各级别天数比例

图6  2020年1-8月全国337个地级及以上城市六项指标浓度及同比变化

  8月,京津冀及周边地区“2+26”城市平均优良天数比例为75.3%,同比下降1.7个百分点;PM2.5浓度为28微克/立方米,同比上升3.7%。1-8月,平均优良天数比例为61.4%,同比上升11.5个百分点;PM2.5中国足彩网浓度为49微克/立方米,同比下降14.0%。

  北京市8月优良天数比例为80.6%,同比持平;PM2.5浓度为29微克/立方米,同比上升26.1%。1-8月,优良天数比例为69.7%,同比上升8.0个百分点;PM2.5中国足彩网浓度为41微克/立方米,同比下降2.4%。

  长三角地区41个城市8月平均优良天数比例为90.3%,同比上升12.1个百分点;PM2.5浓度为19微克/立方米,同比下降9.5%。1-8月,平均优良天数比例为86.1%,同比上升10.9个百分点;PM2.5浓度为32微克/立方米,同比下降20.0%。

  汾渭平原11个城市8月平均优良天数比例为85.3%,同比上升13.2个百分点;PM2.5浓度为22微克/立方米,同比下降15.4%。1-8月,平均优良天数比例为69.1%,同比上升12.1个百分点;PM2.5中国足彩网浓度为46微克/立方米,同比下降16.4%。

  8yue,168gezhongdianchengshizhong,tangshan、handanheziboshidengchengshikongqizhiliangxiangduijiaocha(congdaoshudi1mingzhibingliedaoshudi20ming);haikou、huangshanhezhoushanshidengchengshikongqizhiliangxiangduijiaohao(congdi1mingzhibingliedi20ming,jianfubiao5)。

  1-8yue,168gezhongdianchengshizhong,tangshan、shijiazhuanghetaiyuanshidengchengshikongqizhiliangxiangduijiaocha(congdaoshudi1mingzhibingliedaoshudi20ming);haikou、lasa、zhuhaishidengchengshikongqizhiliangxiangduijiaohao(congdi1mingzhidi20ming,jianfubiao6)。

  fubiao1

2020年8月国家地表水考核断面水环境

质量状况排名前30位城市及所在水体


  fubiao2

2020年8月国家地表水考核断面水环境

质量状况排名后30位城市及所在水体


  fubiao3

2020年1-8月国家地表水考核断面水环境

质量状况排名前30位城市及所在水体


  fubiao4

2020年1-8月国家地表水考核断面水环境

质量状况排名后30位城市及所在水体


  fubiao5

2020年8月168个重点城市环境空气

排名前20位和后20位城市名单


  fubiao6

2020年1-8月168个重点城市环境空气

排名前20位和后20位城市名单


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