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學習快評丨qibao666888　　預??(yu)計??(ji)今??(jin)天??(tian)白??(bai)天??(tian)??，京??(jing)城??(cheng)將??(jiang)持??(chi)續??(xu)受??(shou)到?(dao)外??(wai)來??(lai)沙??(sha)塵??(chen)天??(tian)氣??(qi)影??(ying)響??(xiang)??，PM10以??(yi)3級??(ji)輕?(qing)度??(du)污??(wu)染??(ran)為?(wei)主??(zhu)；傍??(bang)晚??(wan)至??(zhi)前??(qian)半??(ban)夜??(ye)??，預??(yu)計??(ji)外??(wai)來??(lai)沙??(sha)塵??(chen)傳?(chuan)輸??(shu)影??(ying)響??(xiang)加??(jia)大??(da)??，本?(ben)市??(shi)PM10濃??(nong)度??(du)明??(ming)顯??(xian)上??(shang)升??(sheng)??，預?(yu)計??(ji)可??(ke)達??(da)到??(dao)3-4級?(ji)輕?(qing)中??(zhong)度??(du)污??(wu)染??(ran)水??(shui)平??(ping)??，峰??(feng)值??(zhi)時??(shi)段??(duan)可??(ke)達??(da)到??(dao)4-5級??(ji)中??(zhong)重??(zhong)度??(du)污??(wu)染?(ran)??。??24日??(ri)凌??(ling)晨?(chen)至??(zhi)上??(shang)午??(wu)??，轉?(zhuan)冷??(leng)高??(gao)壓?(ya)偏??(pian)北??(bei)風??(feng)??，預??(yu)計??(ji)沙祝(sha)塵??(chen)影??(ying)響??(xiang)有??(you)所??(suo)減??(jian)弱??(ruo)??，PM10濃??(nong)度??(du)預?(yu)計??(ji)可??(ke)逐??(zhu)步??(bu)降??(jiang)至??(zhi)2級??(ji)良??(liang)水??(shui)平??(ping)；24日??(ri)下??(xia)午?(wu)至??(zhi)夜??(ye)間??(jian)??，京??(jing)津??(jin)冀??(ji)區??(qu)域??(yu)地??(di)面??(mian)轉??(zhuan)持??(chi)續??(xu)偏??(pian)東??(dong)南??(nan)風?(feng)??，存??(cun)在??(zai)沙??(sha)塵?(chen)污??(wu)染?(ran)回??(hui)流??(liu)風??(feng)險??(xian)??，預??(yu)計??(ji)PM10可??(ke)達??(da)到祝(dao)2-3級??(ji)良??(liang)至??(zhi)輕??(qing)度??(du)污??(wu)染??(ran)水??(shui)平??(ping)??。　　北??(bei)京??(jing)市??(shi)生?(sheng)態??(tai)環??(huan)境??(jing)監??(jian)測??(ce)中??(zhong)心??(xin)介?(jie)紹??(shao)??，受?(shou)強??(qiang)低??(di)壓??(ya)氣??(qi)旋??(xuan)系??(xi)統?(tong)影??(ying)響??(xiang)??，23日??(ri)白??(bai)天??(tian)??，我??(wo)國?(guo)西??(xi)北??(bei)地??(di)區??(qu)出?(chu)現??(xian)大??(da)范??(fan)圍??(wei)沙??(sha)塵?(chen)天??(tian)氣??(qi)??，上??(shang)午?(wu)內??(nei)蒙??(meng)古??(gu)中??(zhong)部??(bu)地?(di)區??(qu)部??(bu)分??(fen)城??(cheng)市??(shi)PM10小??(xiao)時??(shi)濃??(nong)度??(du)達??(da)到??(dao)500微??(wei)克??(ke)/立??(li)方??(fang)米??(mi)左??(zuo)右??(you)??，為??(wei)嚴??(yan)重??(zhong)污??(wu)染??(ran)水?(shui)平??(ping)；山??(shan)西??(xi)河??(he)北??(bei)北?(bei)部??(bu)PM10小??(xiao)時?(shi)濃??(nong)度??(du)處??(chu)于??(yu)3級??(ji)輕??(qing)度??(du)污??(wu)染??(ran)水??(shui)平??(ping)??。??受??(shou)外??(wai)來??(lai)沙??(sha)塵??(chen)傳??(chuan)輸??(shu)影??(ying)響??(xiang)??，北??(bei)京??(jing)PM10濃??(nong)度??(du)持?(chi)續??(xu)上??(shang)升?(sheng)??，10時??(shi)PM10濃??(nong)度??(du)達??(da)到??(dao)152微??(wei)克??(ke)/立??(li)方?(fang)米??(mi)??，為?(wei)3級??(ji)輕??(qing)度??(du)污??(wu)染??(ran)水??(shui)平??(ping)??。。