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1月份京津冀及周边PM2.5浓度上升近50%

来源: 南方日报网络版     时间: 2019年12月16日 21:18:55
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(  新)(京)(报)(快)(讯)((记)(者)(王)(硕)()据)(环)(保)(部)(21日)(晚)(间)(公)(布)(的)(信)(息)(,2017年)(1月)(,京)(津)(冀)(区)(域)(13个)(城)(市)(PM2.5浓)(度)(128微)(克)(/立)(方)(米)(,同)(比)(上)(升)(43.8%,北)(京)(PM2.5浓)(度)(116微)(克)(/立)(方)(米)(,同)(比)(上)(升)(70.6%。为)(何)(京)(津)(冀)(及)(周)(边)(区)(域)(1月)(份)(的)(空)(气)(质)(量)(出)(现)(如)(此)(大)(幅)(度)(的)(下)(滑)(?
  对)(此)(,环)(保)(部)(副)(部)(长)(赵)(英)(民)(解)(释)(,主)(要)(有)(四)(个)(方)(面)(原)(因)(。一)(是)(京)(津)(冀)(区)(域)(工)(业)(产)(品)(产)(量)(在)(增)(加)(,空)(气)(改)(善)(压)(力)(大)(。他)(说)(,从)(去)(年)(下)(半)(年)(开)(始)(,京)(津)(冀)(区)(域)(的)(钢)(铁)(、电)(解)(铝)(等)(产)(品)(的)(产)(量)(出)(现)(上)(涨)(,部)(分)(企)(业)(春)(节)(期)(间)(加)(班)(加)(点)(生)(产)(。通)(过)(国)(家)(电)(网)(用)(电)(量)(分)(析)(,很)(多)(企)(业)(春)(节)(期)(间)(用)(电)(量)(没)(有)(下)(降)(。此)(外)(,环)(保)(部)(高)(架)(源)(在)(线)(监)(控)(显)(示)(,今)(年)(以)(来)(,京)(津)(冀)(区)(域)(污)(染)(传)(输)(通)(道)(上)(“2+26”城)(市)(重)(点)(工)(业)(源)(氮)(氧)(化)(物)(比)(去)(年)(上)(升)(50%以)(上)(,二)(氧)(化)(硫)(排)(放)(总)(量)(也)(有)(升)(高)(。这)(些)(数)(据)(从)(不)(同)(角)(度)(印)(证)(,京)(津)(冀)(区)(域)(工)(业)(排)(放)(在)(增)(加)(。
  第)(二)(个)(方)(面)(的)(原)(因)(,京)(津)(冀)(农)(村)(散)(煤)(有)(上)(升)(趋)(势)(,散)(煤)(替)(代)(需)(要)(加)(速)(。赵)(英)(民)(表)(示)(,环)(保)(部)(最)(近)(会)(同)(发)(改)(委)(等)(部)(门)(入)(户)(调)(查)(发)(现)(,随)(着)(农)(村)(生)(活)(水)(平)(提)(高)(,农)(村)(燃)(煤)(使)(用)(量)(发)(生)(变)(化)(。过)(去)(以)(小)(煤)(炉)(为)(主)(,只)(在)(卧)(室)(取)(暖)(,现)(在)(多)(数)(改)(成)(土)(锅)(炉)(,取)(暖)(面)(积)(扩)(大)(,用)(煤)(量)(过)(去)(每)(户)(不)(足)(1吨)(,现)(在)(基)(本)(都)(在)(2吨)(以)(上)(,成)(倍)(上)(升)(。此)(外)(,抽)(查)(发)(现)(,居)(民)(散)(烧)(的)(燃)(煤)(中)(,约)(1/4的)(燃)(煤)(质)(量)(较)(差)(。
  第)(三)(个)(原)(因)(,今)(年)(春)(节)(在)(1月)(,有)(些)(城)(市)(受)(烟)(花)(爆)(竹)(影)(响)(PM2.5快)(速)(上)(升)(。监)(测)(显)(示)(,除)(夕)(夜)(18点)(,全)(国)(只)(有)(19个)(城)(市)(重)(度)(及)(以)(上)(污)(染)(,但)(是)(到)(了)(初)(一)(凌)(晨)(2点)(,重)(度)(以)(上)(污)(染)(城)(市)(增)(至)(183个)(。
  此)(外)(,今)(年)(1月)(,气)(象)(条)(件)(仍)(然)(维)(持)(2016年)(秋)(冬)(以)(来)(的)(不)(利)(情)(况)(,气)(候)(异)(常)(。赵)(英)(民)(表)(示)(,2016年)(秋)(冬)(以)(来)(,北)(半)(球)(的)(国)(家)(,包)(括)(部)(分)(初)(步)(解)(决)(了)(空)(气)(污)(染)(问)(题)(的)(发)(达)(国)(家)(也)(遭)(遇)(了)(重)(污)(染)(。我)(国)(北)(方)(冷)(空)(气)(不)(活)(跃)(,强)(度)(弱)(,风)(速)(小)(,温)(度)(偏)(高)(。而)(今)(年)(1月)(,京)(津)(冀)(区)(域)(小)(风)(频)(率)(同)(比)(又)(上)(升)(12.8%,高)(湿)(频)(率)(上)(升)(了)(18.5%,平)(均)(温)(度)(上)(升)(了)(3.1℃,京)(津)(冀)(区)(域)(先)(后)(出)(现)(了)(5次)(污)(染)(过)(程)(,进)(一)(步)(拉)(高)(了)(1月)(的)(污)(染)(物)(浓)(度)(。
  链)(接)(:
  1月)(74城)(市)(空)(气)(质)(量)(相)(对)(较)(差)(排)(名)(后)(10位)(城)(市)(:石)(家)(庄)(、邢)(台)(、邯)(郸)(、保)(定)(、乌)(鲁)(木)(齐)(、西)(安)(、太)(原)(、衡)(水)(、郑)(州)(和)(唐)(山)(市)(
  空)(气)(质)(量)(相)(对)(较)(好)(的)(前)(10位)(城)(市)(:海)(口)(、舟)(山)(、拉)(萨)(、昆)(明)(、丽)(水)(、福)(州)(、台)(州)(、厦)(门)(、深)(圳)(和)(惠)(州)(市)(
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