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原標(biāo)題：学长快停下别揉了还在上课

學(xué)習(xí)快評(píng)丨qibao666888　　專?(zhuan)家?(jia)分??(fen)析??(xi)?，近??(jin)期??(qi)沙??(sha)塵??(chen)天??(tian)氣??(qi)比?(bi)較?(jiao)頻??(pin)繁?(fan)有?(you)兩??(liang)方?(fang)面??(mian)原??(yuan)因??(yin)??。??一??(yi)是??(shi)蒙??(meng)古??(gu)國??(guo)和??(he)中??(zhong)國??(guo)北??(bei)方?(fang)地??(di)區(qū)??(qu)氣??(qi)溫??(wen)偏??(pian)高??(gao)?，導(dǎo)??(dao)致??(zhi)地??(di)表??(biao)積?(ji)雪??(xue)覆??(fu)蓋??(gai)范??(fan)圍??(wei)縮??(suo)小??(xiao)、含??(han)水??(shui)率??(lv)下??(xia)降?(jiang)?，這??(zhe)是??(shi)有?(you)利??(li)于??(yu)沙??(sha)塵?(chen)發(fā)??(fa)生??(sheng)的??(de)熱??(re)力?(li)因??(yin)素??(su)??。二??(er)是??(shi)近?(jin)期??(qi)冷??(leng)空??(kong)氣??(qi)活??(huo)動(dòng)??(dong)頻?(pin)繁?(fan)?，22日??(ri)北??(bei)方??(fang)地??(di)區(qū)??(qu)風(fēng)??(feng)力??(li)明??(ming)顯?(xian)增??(zeng)強(qiáng)??(qiang)?，內(nèi)??(nei)蒙??(meng)古??(gu)普??(pu)遍??(bian)達(dá)??(da)到??(dao)6級(jí)??(ji)及?(ji)以??(yi)上??(shang)?，局??(ju)地??(di)超??(chao)過??(guo)8級(jí)??(ji)?，這??(zhe)是??(shi)誘??(you)發(fā)??(fa)沙??(sha)源??(yuan)地??(di)起??(qi)沙??(sha)的??(de)動(dòng)??(dong)力??(li)因??(yin)素??(su)???！　??(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(tuán)??(tuan)在??(zai)強(qiáng)?(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(shí)??(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(dá)??(da)到??(dao)小??(xiao)時(shí)??(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(shí)??(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(dá)??(da)到??(dao)小??(xiao)時(shí)??(shi)輕??(qing)度??(du)污??(wu)染??(ran)水??(shui)平??(ping)??。。