三九養(yǎng)生堂記者 鄧肯·蓋伊 報道
精彩| 1—9月??(yue)??,全??(quan)國??(guo)339個??(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)84.2%??,同??(tong)比??(bi)下??(xia)降??(jiang)1.5個??(ge)百?(bai)分??(fen)點??(dian)??,較??(jiao)2019年??(nian)同??(tong)期??(qi)上??(shang)升??(sheng)2.7個??(ge)百??(bai)分??(fen)點?(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)1.8%??,同??(tong)比??(bi)上??(shang)升?(sheng)0.9個??(ge)百??(bai)分??(fen)點??(dian)??,較??(jiao)2019年?(nian)同?(tong)期??(qi)持?(chi)平?(ping);PM2.5平?(ping)均??(jun)濃??(nong)度??(du)為??(wei)28微??(wei)克??(ke)/立??(li)方??(fang)米??(mi)??,同??(tong)比??(bi)上??(shang)升??(sheng)3.7%??,較??(jiao)2019年??(nian)同??(tong)期??(qi)下??(xia)降??(jiang)17.6%;O3平??(ping)均??(jun)濃??(nong)度??(du)為??(wei)148微??(wei)克??(ke)/立??(li)方??(fang)米??(mi)??,同??(tong)比??(bi)下??(xia)降??(jiang)0.7%??,較??(jiao)2019年?(nian)同??(tong)期??(qi)下??(xia)降??(jiang)2.6%;PM10平??(ping)均??(jun)濃??(nong)度??(du)為??(wei)51微??(wei)克??(ke)/立??(li)方??(fang)米??(mi)??,同??(tong)比??(bi)上??(shang)升??(sheng)6.2%;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)持??(chi)平??(ping);NO2平??(ping)均??(jun)濃??(nong)度??(du)為??(wei)20微??(wei)克??(ke)/立??(li)方??(fang)米??(mi)??,同??(tong)比??(bi)上??(shang)升??(sheng)5.3%;CO平??(ping)均??(jun)濃??(nong)度??(du)為??(wei)1.0毫??(hao)克??(ke)/立??(li)方??(fang)米??(mi)??,同??(tong)比??(bi)持??(chi)平??(ping)??。?? 附??(fu)表??(biao) 2
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