三九養(yǎng)生堂記者 鄧肯·蓋伊 報(bào)道
精彩| 排??(pai)名??(ming)前??(qian)20位??(wei)和??(he)后?(hou)20位??(wei)城??(cheng)市??(shi)名??(ming)單??(dan) 9月??(yue)??，全??(quan)國??(guo)339個(gè)??(ge)地??(di)級??(ji)及??(ji)以??(yi)上??(shang)城??(cheng)市?(shi)平??(ping)均??(jun)空?(kong)氣??(qi)質(zhì)??(zhi)量??(liang)優(yōu)??(you)良??(liang)天??(tian)數(shù)??(shu)比??(bi)例??(li)為??(wei)92.0%??，同??(tong)比??(bi)上??(shang)升??(sheng)10.9個(gè)??(ge)百??(bai)分??(fen)點(diǎn)??(dian)??，較??(jiao)2019年??(nian)同??(tong)期??(qi)上??(shang)升??(sheng)11.5個(gè)??(ge)百??(bai)分??(fen)點(diǎn)??(dian)；平??(ping)均??(jun)重??(zhong)度??(du)及??(ji)以?(yi)上??(shang)污??(wu)染?(ran)天??(tian)數(shù)??(shu)比?(bi)例??(li)為??(wei)0.1%??，同??(tong)比??(bi)下??(xia)降??(jiang)0.1個(gè)??(ge)百??(bai)分?(fen)點(diǎn)??(dian)??，較?(jiao)2019年??(nian)同??(tong)期??(qi)下??(xia)降??(jiang)0.1個(gè)??(ge)百?(bai)分??(fen)點(diǎn)??(dian)；PM2.5平??(ping)均??(jun)濃??(nong)度??(du)為??(wei)19微??(wei)克??(ke)/立??(li)方??(fang)米??(mi)??，同??(tong)比??(bi)下??(xia)降??(jiang)13.6%??，較??(jiao)2019年??(nian)同?(tong)期??(qi)下??(xia)降??(jiang)26.9%；O3平??(ping)均??(jun)濃??(nong)度??(du)為?(wei)137微??(wei)克??(ke)/立?(li)方??(fang)米??(mi)??，同??(tong)比??(bi)下??(xia)降??(jiang)12.2%??，較??(jiao)2019年??(nian)同??(tong)期??(qi)下??(xia)降??(jiang)12.7%；PM10平??(ping)均??(jun)濃??(nong)度??(du)為??(wei)36微??(wei)克??(ke)/立??(li)方??(fang)米??(mi)??，同??(tong)比??(bi)下??(xia)降??(jiang)21.7%；SO2平??(ping)均??(jun)濃??(nong)度??(du)為??(wei)8微?(wei)克??(ke)/立??(li)方??(fang)米??(mi)??，同??(tong)比??(bi)下??(xia)降??(jiang)11.1%；NO2平??(ping)均??(jun)濃??(nong)度??(du)為??(wei)17微??(wei)克??(ke)/立?(li)方??(fang)米??(mi)??，同?(tong)比??(bi)下??(xia)降??(jiang)10.5%；CO平??(ping)均??(jun)濃??(nong)度??(du)為??(wei)0.8毫??(hao)克??(ke)/立??(li)方?(fang)米??(mi)??，同??(tong)比?(bi)持??(chi)平??(ping)??。??
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