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學(xué)習(xí)快評丨qibao666888　　中??(zhong)新??(xin)社??(she)北??(bei)京??(jing)3月??(yue)23日??(ri)電?(dian) (記??(ji)者??(zhe) 阮??(ruan)煜??(yu)琳??(lin))23日??(ri)??，北??(bei)京??(jing)、呼??(hu)和??(he)浩??(hao)特??(te)等??(deng)多??(duo)個??(ge)中??(zhong)國??(guo)北??(bei)方??(fang)城??(cheng)市??(shi)出??(chu)現(xiàn)??(xian)沙??(sha)塵??(chen)污??(wu)染??(ran)??。??　　國??(guo)家??(jia)大?(da)氣??(qi)污??(wu)染??(ran)防??(fang)治??(zhi)攻??(gong)關(guān)??(guan)聯(lián)??(lian)合??(he)中??(zhong)心??(xin)密??(mi)切??(qie)關(guān)??(guan)注??(zhu)?，分??(fen)析??(xi)此??(ci)次?(ci)沙??(sha)塵??(chen)天??(tian)氣??(qi)的?(de)影??(ying)響??(xiang)和??(he)發(fā)??(fa)展??(zhan)趨??(qu)勢??(shi)??。??22日??(ri)午??(wu)后??(hou)起??(qi)?，一??(yi)股??(gu)沙??(sha)塵??(chen)氣??(qi)團??(tuan)在??(zai)強??(qiang)西??(xi)北??(bei)風(fēng)??(feng)作??(zuo)用??(yong)下??(xia)逐??(zhu)步??(bu)向??(xiang)東??(dong)南??(nan)方??(fang)向??(xiang)推??(tui)移??(yi)??。受??(shou)其??(qi)影?(ying)響??(xiang)?，內(nèi)??(nei)蒙??(meng)古??(gu)中??(zhong)西??(xi)部??(bu)、寧??(ning)夏??(xia)北??(bei)部??(bu)、陜??(shan)西??(xi)北??(bei)部??(bu)、山??(shan)西??(xi)北??(bei)部?(bu)等??(deng)地??(di)PM10濃??(nong)度??(du)顯??(xian)著??(zhu)上??(shang)升??(sheng)??。截??(jie)至??(zhi)23日??(ri)10時??(shi)?，內(nèi)??(nei)蒙??(meng)古??(gu)巴??(ba)彥??(yan)淖??(nao)爾?(er)、烏??(wu)海??(hai)空?(kong)氣??(qi)質(zhì)??(zhi)量??(liang)達??(da)到??(dao)小??(xiao)時??(shi)嚴(yán)??(yan)重??(zhong)污??(wu)染??(ran)水?(shui)平??(ping)?，其??(qi)他??(ta)受??(shou)影??(ying)響??(xiang)城??(cheng)市??(shi)為??(wei)小??(xiao)時??(shi)輕??(qing)至??(zhi)重??(zhong)度?(du)污??(wu)染??(ran)水??(shui)平??(ping)；北??(bei)京??(jing)市??(shi)PM10濃??(nong)度?(du)從??(cong)23日??(ri)凌??(ling)晨??(chen)起??(qi)顯??(xian)著??(zhu)抬??(tai)升??(sheng)?，峰?(feng)值??(zhi)濃?(nong)度??(du)已??(yi)達??(da)到??(dao)小??(xiao)時??(shi)輕??(qing)度??(du)污??(wu)染??(ran)水??(shui)平??(ping)??。。