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| 生態環境(jing)部發布2024年1月下(xia)半(ban)月全(quan)國空氣質量(liang)預報會商結果 |
| 發(fa)表時間：2024-01-19 14:59:49 作者：admin |
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2024年1月15日，中國(guo)(guo)(guo)環境監測(ce)(ce)總站(zhan)聯(lian)(lian)合(he)中央氣(qi)(qi)象臺、國(guo)(guo)(guo)家大(da)氣(qi)(qi)污染防治(zhi)攻關(guan)聯(lian)(lian)合(he)中心、東(dong)北(bei)、華南、西(xi)南、西(xi)北(bei)、長三角(jiao)區域空(kong)氣(qi)(qi)質(zhi)量預(yu)測(ce)(ce)預(yu)報中心和北(bei)京(jing)市(shi)生態(tai)環境監測(ce)(ce)中心，開展(zhan)1月下半(ban)月(16—31日)全國(guo)(guo)(guo)空(kong)氣(qi)(qi)質(zhi)量預(yu)報會(hui)商。
1月下半(ban)月，東北(bei)(bei)、西南(nan)區(qu)域大(da)部(bu)(bu)(bu)、華南(nan)南(nan)部(bu)(bu)(bu)空氣(qi)質量以優(you)良(liang)為主，全國其他(ta)地區(qu)以良(liang)至輕度污(wu)染(ran)為主。其中(zhong)(zhong)(zhong)，京津冀區(qu)域中(zhong)(zhong)(zhong)南(nan)部(bu)(bu)(bu)、長(chang)三角(jiao)中(zhong)(zhong)(zhong)北(bei)(bei)部(bu)(bu)(bu)、汾渭平原(yuan)、遼(liao)寧(ning)中(zhong)(zhong)(zhong)西部(bu)(bu)(bu)、吉林中(zhong)(zhong)(zhong)西部(bu)(bu)(bu)、黑龍(long)江南(nan)部(bu)(bu)(bu)和東部(bu)(bu)(bu)個別城市、四川南(nan)部(bu)(bu)(bu)及(ji)東北(bei)(bei)部(bu)(bu)(bu)部(bu)(bu)(bu)分城市、陜西關中(zhong)(zhong)(zhong)地區(qu)、寧(ning)夏中(zhong)(zhong)(zhong)北(bei)(bei)部(bu)(bu)(bu)可(ke)能出(chu)現中(zhong)(zhong)(zhong)度及(ji)以上污(wu)染(ran)。受沙塵(chen)天氣(qi)影響，新疆南(nan)疆部(bu)(bu)(bu)分城市可(ke)能出(chu)現中(zhong)(zhong)(zhong)度及(ji)以上污(wu)染(ran)。
京津冀(ji)及周邊(bian)區(qu)(qu)(qu)(qu)域(yu)(yu)：1月下半月，區(qu)(qu)(qu)(qu)域(yu)(yu)北(bei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)空氣質量以優(you)良為(wei)主(zhu)(zhu)，中(zhong)(zhong)(zhong)(zhong)南(nan)(nan)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)以良至(zhi)輕度(du)(du)(du)污(wu)(wu)(wu)染(ran)(ran)為(wei)主(zhu)(zhu)。其中(zhong)(zhong)(zhong)(zhong)，16日(ri)(ri)，區(qu)(qu)(qu)(qu)域(yu)(yu)北(bei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)以優(you)良為(wei)主(zhu)(zhu)，中(zhong)(zhong)(zhong)(zhong)南(nan)(nan)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)以良至(zhi)輕度(du)(du)(du)污(wu)(wu)(wu)染(ran)(ran)為(wei)主(zhu)(zhu)；17日(ri)(ri)，區(qu)(qu)(qu)(qu)域(yu)(yu)北(bei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)和(he)(he)(he)山(shan)東(dong)東(dong)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)以良至(zhi)輕度(du)(du)(du)污(wu)(wu)(wu)染(ran)(ran)為(wei)主(zhu)(zhu)，京津冀(ji)中(zhong)(zhong)(zhong)(zhong)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)、山(shan)東(dong)西部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)和(he)(he)(he)河南(nan)(nan)南(nan)(nan)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)以輕至(zhi)中(zhong)(zhong)(zhong)(zhong)度(du)(du)(du)污(wu)(wu)(wu)染(ran)(ran)為(wei)主(zhu)(zhu)，河北(bei)中(zhong)(zhong)(zhong)(zhong)南(nan)(nan)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)和(he)(he)(he)河南(nan)(nan)北(bei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)以中(zhong)(zhong)(zhong)(zhong)至(zhi)重度(du)(du)(du)污(wu)(wu)(wu)染(ran)(ran)為(wei)主(zhu)(zhu)；18日(ri)(ri)，區(qu)(qu)(qu)(qu)域(yu)(yu)大部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)以良為(wei)主(zhu)(zhu)，河南(nan)(nan)大部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)以中(zhong)(zhong)(zhong)(zhong)至(zhi)重度(du)(du)(du)污(wu)(wu)(wu)染(ran)(ran)為(wei)主(zhu)(zhu)，局(ju)地可能(neng)出(chu)現(xian)短時嚴重污(wu)(wu)(wu)染(ran)(ran)；19—20日(ri)(ri)，受東(dong)北(bei)冷(leng)空氣影響，區(qu)(qu)(qu)(qu)域(yu)(yu)大部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)以優(you)良為(wei)主(zhu)(zhu)，河北(bei)中(zhong)(zhong)(zhong)(zhong)南(nan)(nan)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)、山(shan)東(dong)西部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)和(he)(he)(he)河南(nan)(nan)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)分(fen)城市(shi)可能(neng)出(chu)現(xian)輕度(du)(du)(du)污(wu)(wu)(wu)染(ran)(ran)；21—25日(ri)(ri)，區(qu)(qu)(qu)(qu)域(yu)(yu)大部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)優(you)良，后(hou)期污(wu)(wu)(wu)染(ran)(ran)逐步累積，河北(bei)中(zhong)(zhong)(zhong)(zhong)南(nan)(nan)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)、山(shan)東(dong)西部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)、河南(nan)(nan)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)分(fen)城市(shi)可能(neng)出(chu)現(xian)輕度(du)(du)(du)污(wu)(wu)(wu)染(ran)(ran)；26—28日(ri)(ri)，大氣擴散條件(jian)轉差(cha)，可能(neng)出(chu)現(xian)輕至(zhi)中(zhong)(zhong)(zhong)(zhong)度(du)(du)(du)污(wu)(wu)(wu)染(ran)(ran)過程。首要(yao)污(wu)(wu)(wu)染(ran)(ran)物為(wei)PM2.5或PM10。
北京(jing)市(shi)：1月下半月，空氣質(zhi)(zhi)量(liang)以(yi)優(you)良(liang)為(wei)主。其中，16—17日(ri)(ri)(ri)，可(ke)能出(chu)現一次輕度污染(ran)(ran)過程；18—19日(ri)(ri)(ri)，擴(kuo)散條(tiao)件(jian)略(lve)有改善，空氣質(zhi)(zhi)量(liang)以(yi)良(liang)為(wei)主；20—22日(ri)(ri)(ri)，空氣質(zhi)(zhi)量(liang)為(wei)優(you)良(liang)；23—24日(ri)(ri)(ri)，空氣質(zhi)(zhi)量(liang)為(wei)良(liang)；26—28日(ri)(ri)(ri)，擴(kuo)散條(tiao)件(jian)轉差，可(ke)能出(chu)現輕度及以(yi)上(shang)污染(ran)(ran)過程。首要污染(ran)(ran)物(wu)為(wei)PM2.5。
長三角區域(yu)：1月下半月，區域(yu)大(da)部空氣(qi)質量以(yi)(yi)良至輕(qing)度(du)(du)污染(ran)為主(zhu)(zhu)(zhu)，局地可能(neng)出現(xian)(xian)短時(shi)中度(du)(du)污染(ran)。其中，16—21日，空氣(qi)質量整(zheng)體(ti)以(yi)(yi)良為主(zhu)(zhu)(zhu)；22—26日，空氣(qi)質量整(zheng)體(ti)以(yi)(yi)良至輕(qing)度(du)(du)污染(ran)為主(zhu)(zhu)(zhu)，中北部可能(neng)出現(xian)(xian)短時(shi)中度(du)(du)污染(ran)；27—30日，空氣(qi)質量整(zheng)體(ti)以(yi)(yi)良為主(zhu)(zhu)(zhu)。首要污染(ran)物為PM2.5、PM10或NO2。
汾渭(wei)平(ping)原：1月下半月，區(qu)域(yu)大部(bu)空(kong)(kong)氣(qi)質(zhi)(zhi)量以(yi)良(liang)至(zhi)輕(qing)度污(wu)(wu)染(ran)(ran)為主(zhu)，局(ju)地部(bu)分時段可(ke)能(neng)出現中(zhong)至(zhi)重度污(wu)(wu)染(ran)(ran)。其(qi)中(zhong)，17—20日(ri)(ri)，空(kong)(kong)氣(qi)質(zhi)(zhi)量以(yi)中(zhong)至(zhi)重度污(wu)(wu)染(ran)(ran)為主(zhu)；21—23日(ri)(ri)、27—28日(ri)(ri)，區(qu)域(yu)大部(bu)空(kong)(kong)氣(qi)質(zhi)(zhi)量以(yi)良(liang)至(zhi)輕(qing)度污(wu)(wu)染(ran)(ran)為主(zhu)；24—26日(ri)(ri)、29—31日(ri)(ri)，區(qu)域(yu)大部(bu)空(kong)(kong)氣(qi)質(zhi)(zhi)量以(yi)輕(qing)度污(wu)(wu)染(ran)(ran)為主(zhu)，其(qi)中(zhong)25—26日(ri)(ri)可(ke)能(neng)出現中(zhong)度污(wu)(wu)染(ran)(ran)。首要污(wu)(wu)染(ran)(ran)物為PM2.5或PM10。
東(dong)(dong)北(bei)區域：1月下半月，區域大部(bu)(bu)(bu)(bu)空氣質量以優良(liang)(liang)為(wei)(wei)主(zhu)，黑龍(long)(long)江(jiang)(jiang)南(nan)(nan)部(bu)(bu)(bu)(bu)和(he)東(dong)(dong)部(bu)(bu)(bu)(bu)以良(liang)(liang)至輕度污(wu)(wu)(wu)染(ran)為(wei)(wei)主(zhu)，16—21日(ri)(ri)(ri)(ri)、24—27日(ri)(ri)(ri)(ri)可(ke)(ke)(ke)能出(chu)現(xian)兩(liang)次輕度及以上污(wu)(wu)(wu)染(ran)過(guo)程。其中(zhong)(zhong)，16—18日(ri)(ri)(ri)(ri)，黑龍(long)(long)江(jiang)(jiang)南(nan)(nan)部(bu)(bu)(bu)(bu)和(he)東(dong)(dong)部(bu)(bu)(bu)(bu)、吉(ji)林大部(bu)(bu)(bu)(bu)、內蒙(meng)古東(dong)(dong)部(bu)(bu)(bu)(bu)局(ju)地、遼寧大部(bu)(bu)(bu)(bu)以良(liang)(liang)至輕度污(wu)(wu)(wu)染(ran)為(wei)(wei)主(zhu)，17日(ri)(ri)(ri)(ri)遼寧西部(bu)(bu)(bu)(bu)沿(yan)海城市(shi)、18日(ri)(ri)(ri)(ri)黑龍(long)(long)江(jiang)(jiang)南(nan)(nan)部(bu)(bu)(bu)(bu)和(he)東(dong)(dong)部(bu)(bu)(bu)(bu)部(bu)(bu)(bu)(bu)分城市(shi)可(ke)(ke)(ke)能出(chu)現(xian)中(zhong)(zhong)度污(wu)(wu)(wu)染(ran)；19—21日(ri)(ri)(ri)(ri)，黑龍(long)(long)江(jiang)(jiang)南(nan)(nan)部(bu)(bu)(bu)(bu)和(he)東(dong)(dong)部(bu)(bu)(bu)(bu)、吉(ji)林中(zhong)(zhong)西部(bu)(bu)(bu)(bu)、內蒙(meng)古東(dong)(dong)部(bu)(bu)(bu)(bu)局(ju)地以良(liang)(liang)至輕度污(wu)(wu)(wu)染(ran)為(wei)(wei)主(zhu)，黑龍(long)(long)江(jiang)(jiang)南(nan)(nan)部(bu)(bu)(bu)(bu)和(he)東(dong)(dong)部(bu)(bu)(bu)(bu)部(bu)(bu)(bu)(bu)分城市(shi)可(ke)(ke)(ke)能出(chu)現(xian)中(zhong)(zhong)度及以上污(wu)(wu)(wu)染(ran)；24—27日(ri)(ri)(ri)(ri)，除黑龍(long)(long)江(jiang)(jiang)北(bei)部(bu)(bu)(bu)(bu)外，區域大部(bu)(bu)(bu)(bu)可(ke)(ke)(ke)能出(chu)現(xian)輕度污(wu)(wu)(wu)染(ran)過(guo)程，其中(zhong)(zhong)黑龍(long)(long)江(jiang)(jiang)西南(nan)(nan)部(bu)(bu)(bu)(bu)、吉(ji)林中(zhong)(zhong)西部(bu)(bu)(bu)(bu)、遼寧中(zhong)(zhong)西部(bu)(bu)(bu)(bu)局(ju)地可(ke)(ke)(ke)能出(chu)現(xian)中(zhong)(zhong)度及以上污(wu)(wu)(wu)染(ran)。首(shou)要污(wu)(wu)(wu)染(ran)物(wu)為(wei)(wei)PM2.5或(huo)PM10。
華南區域(yu)(yu)：1月下半月，區域(yu)(yu)空氣質量總體以(yi)(yi)優良(liang)為(wei)主(zhu)，廣(guang)東部分區域(yu)(yu)可(ke)能(neng)出現(xian)輕(qing)度(du)(du)污(wu)染(ran)(ran)，湖(hu)南、湖(hu)北部分區域(yu)(yu)可(ke)能(neng)出現(xian)輕(qing)至(zhi)(zhi)中(zhong)(zhong)(zhong)(zhong)度(du)(du)污(wu)染(ran)(ran)。其中(zhong)(zhong)(zhong)(zhong)，16日(ri)(ri)(ri)，湖(hu)南大部以(yi)(yi)輕(qing)至(zhi)(zhi)中(zhong)(zhong)(zhong)(zhong)度(du)(du)污(wu)染(ran)(ran)為(wei)主(zhu)；17日(ri)(ri)(ri)，湖(hu)南中(zhong)(zhong)(zhong)(zhong)南部、廣(guang)東中(zhong)(zhong)(zhong)(zhong)部以(yi)(yi)良(liang)至(zhi)(zhi)輕(qing)度(du)(du)污(wu)染(ran)(ran)為(wei)主(zhu)；19日(ri)(ri)(ri)，廣(guang)東中(zhong)(zhong)(zhong)(zhong)部以(yi)(yi)良(liang)至(zhi)(zhi)輕(qing)度(du)(du)污(wu)染(ran)(ran)為(wei)主(zhu)；23—30日(ri)(ri)(ri)，湖(hu)南、湖(hu)北大部以(yi)(yi)良(liang)至(zhi)(zhi)輕(qing)度(du)(du)污(wu)染(ran)(ran)為(wei)主(zhu)，其中(zhong)(zhong)(zhong)(zhong)湖(hu)北中(zhong)(zhong)(zhong)(zhong)東部27—29日(ri)(ri)(ri)以(yi)(yi)輕(qing)至(zhi)(zhi)中(zhong)(zhong)(zhong)(zhong)度(du)(du)污(wu)染(ran)(ran)為(wei)主(zhu)，廣(guang)西中(zhong)(zhong)(zhong)(zhong)部28日(ri)(ri)(ri)以(yi)(yi)輕(qing)度(du)(du)污(wu)染(ran)(ran)為(wei)主(zhu)。首要污(wu)染(ran)(ran)物為(wei)O3或PM2.5。
西南區域(yu)：1月下半月，區域(yu)大(da)部(bu)空氣(qi)質量以(yi)優(you)良(liang)為(wei)主，可能(neng)出現1~2次輕至中度(du)(du)污(wu)染(ran)(ran)過程。其(qi)中，16—17日，區域(yu)大(da)部(bu)空氣(qi)質量為(wei)優(you)良(liang)；18—19日，成(cheng)都平原、川(chuan)南、川(chuan)東(dong)北部(bu)分(fen)城(cheng)市(shi)為(wei)良(liang)至輕度(du)(du)污(wu)染(ran)(ran)，其(qi)余地區以(yi)優(you)良(liang)為(wei)主；20—23日，區域(yu)大(da)部(bu)以(yi)優(you)良(liang)為(wei)主；24—29日，重慶、成(cheng)都平原、川(chuan)南和川(chuan)東(dong)北以(yi)輕度(du)(du)污(wu)染(ran)(ran)為(wei)主，部(bu)分(fen)城(cheng)市(shi)可能(neng)出現中度(du)(du)污(wu)染(ran)(ran)。首要污(wu)染(ran)(ran)物為(wei)PM2.5。
西(xi)北(bei)區(qu)(qu)(qu)域(yu)(yu)：1月下半月，區(qu)(qu)(qu)域(yu)(yu)大(da)(da)部(bu)(bu)(bu)(bu)空(kong)(kong)氣(qi)質(zhi)(zhi)量(liang)以良(liang)(liang)(liang)至(zhi)(zhi)輕(qing)(qing)度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)為(wei)主(zhu)，部(bu)(bu)(bu)(bu)分地(di)區(qu)(qu)(qu)可(ke)(ke)(ke)能(neng)(neng)(neng)(neng)(neng)出(chu)(chu)(chu)現(xian)(xian)中(zhong)(zhong)(zhong)度(du)(du)(du)(du)及以上(shang)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)。其中(zhong)(zhong)(zhong)，16—17日(ri)(ri)(ri)(ri)，區(qu)(qu)(qu)域(yu)(yu)空(kong)(kong)氣(qi)質(zhi)(zhi)量(liang)以良(liang)(liang)(liang)為(wei)主(zhu)，局(ju)(ju)地(di)可(ke)(ke)(ke)能(neng)(neng)(neng)(neng)(neng)出(chu)(chu)(chu)現(xian)(xian)輕(qing)(qing)度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)，17日(ri)(ri)(ri)(ri)陜西(xi)關中(zhong)(zhong)(zhong)地(di)區(qu)(qu)(qu)可(ke)(ke)(ke)能(neng)(neng)(neng)(neng)(neng)出(chu)(chu)(chu)現(xian)(xian)中(zhong)(zhong)(zhong)至(zhi)(zhi)重度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)；18—19日(ri)(ri)(ri)(ri)，區(qu)(qu)(qu)域(yu)(yu)大(da)(da)部(bu)(bu)(bu)(bu)空(kong)(kong)氣(qi)質(zhi)(zhi)量(liang)以良(liang)(liang)(liang)至(zhi)(zhi)輕(qing)(qing)度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)為(wei)主(zhu)，寧夏中(zhong)(zhong)(zhong)北(bei)部(bu)(bu)(bu)(bu)可(ke)(ke)(ke)能(neng)(neng)(neng)(neng)(neng)出(chu)(chu)(chu)現(xian)(xian)中(zhong)(zhong)(zhong)度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)，陜西(xi)關中(zhong)(zhong)(zhong)地(di)區(qu)(qu)(qu)可(ke)(ke)(ke)能(neng)(neng)(neng)(neng)(neng)出(chu)(chu)(chu)現(xian)(xian)中(zhong)(zhong)(zhong)至(zhi)(zhi)重度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)；20日(ri)(ri)(ri)(ri)，區(qu)(qu)(qu)域(yu)(yu)大(da)(da)部(bu)(bu)(bu)(bu)空(kong)(kong)氣(qi)質(zhi)(zhi)量(liang)以良(liang)(liang)(liang)為(wei)主(zhu)，局(ju)(ju)地(di)可(ke)(ke)(ke)能(neng)(neng)(neng)(neng)(neng)出(chu)(chu)(chu)現(xian)(xian)輕(qing)(qing)度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)，陜西(xi)關中(zhong)(zhong)(zhong)地(di)區(qu)(qu)(qu)可(ke)(ke)(ke)能(neng)(neng)(neng)(neng)(neng)出(chu)(chu)(chu)現(xian)(xian)重度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)，甘肅河西(xi)地(di)區(qu)(qu)(qu)受地(di)面大(da)(da)風(feng)影響(xiang)，可(ke)(ke)(ke)能(neng)(neng)(neng)(neng)(neng)出(chu)(chu)(chu)現(xian)(xian)沙(sha)塵天氣(qi)；21—23日(ri)(ri)(ri)(ri)，區(qu)(qu)(qu)域(yu)(yu)大(da)(da)部(bu)(bu)(bu)(bu)空(kong)(kong)氣(qi)質(zhi)(zhi)量(liang)以良(liang)(liang)(liang)為(wei)主(zhu)，局(ju)(ju)地(di)可(ke)(ke)(ke)能(neng)(neng)(neng)(neng)(neng)出(chu)(chu)(chu)現(xian)(xian)輕(qing)(qing)度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)；24—25日(ri)(ri)(ri)(ri)，區(qu)(qu)(qu)域(yu)(yu)大(da)(da)部(bu)(bu)(bu)(bu)空(kong)(kong)氣(qi)質(zhi)(zhi)量(liang)以良(liang)(liang)(liang)至(zhi)(zhi)輕(qing)(qing)度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)為(wei)主(zhu)，東(dong)部(bu)(bu)(bu)(bu)局(ju)(ju)地(di)25日(ri)(ri)(ri)(ri)可(ke)(ke)(ke)能(neng)(neng)(neng)(neng)(neng)出(chu)(chu)(chu)現(xian)(xian)中(zhong)(zhong)(zhong)度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)；26—28日(ri)(ri)(ri)(ri)，區(qu)(qu)(qu)域(yu)(yu)大(da)(da)部(bu)(bu)(bu)(bu)空(kong)(kong)氣(qi)質(zhi)(zhi)量(liang)以良(liang)(liang)(liang)為(wei)主(zhu)，東(dong)部(bu)(bu)(bu)(bu)可(ke)(ke)(ke)能(neng)(neng)(neng)(neng)(neng)出(chu)(chu)(chu)現(xian)(xian)輕(qing)(qing)度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)；東(dong)部(bu)(bu)(bu)(bu)局(ju)(ju)地(di)26日(ri)(ri)(ri)(ri)可(ke)(ke)(ke)能(neng)(neng)(neng)(neng)(neng)出(chu)(chu)(chu)現(xian)(xian)中(zhong)(zhong)(zhong)度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)；29—31日(ri)(ri)(ri)(ri)，冷空(kong)(kong)氣(qi)影響(xiang)結(jie)束，擴散條件轉差。區(qu)(qu)(qu)域(yu)(yu)大(da)(da)部(bu)(bu)(bu)(bu)空(kong)(kong)氣(qi)質(zhi)(zhi)量(liang)以良(liang)(liang)(liang)為(wei)主(zhu)，東(dong)部(bu)(bu)(bu)(bu)可(ke)(ke)(ke)能(neng)(neng)(neng)(neng)(neng)出(chu)(chu)(chu)現(xian)(xian)輕(qing)(qing)度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)。首要污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)物為(wei)PM10或(huo)PM2.5。新疆北(bei)疆北(bei)部(bu)(bu)(bu)(bu)區(qu)(qu)(qu)域(yu)(yu)空(kong)(kong)氣(qi)質(zhi)(zhi)量(liang)優良(liang)(liang)(liang)；天山北(bei)坡18—19日(ri)(ri)(ri)(ri)空(kong)(kong)氣(qi)質(zhi)(zhi)量(liang)優良(liang)(liang)(liang)，20—22日(ri)(ri)(ri)(ri)為(wei)良(liang)(liang)(liang)至(zhi)(zhi)輕(qing)(qing)度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)，23—24日(ri)(ri)(ri)(ri)為(wei)輕(qing)(qing)至(zhi)(zhi)中(zhong)(zhong)(zhong)度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)，25—26日(ri)(ri)(ri)(ri)為(wei)良(liang)(liang)(liang)，27—30日(ri)(ri)(ri)(ri)可(ke)(ke)(ke)能(neng)(neng)(neng)(neng)(neng)出(chu)(chu)(chu)現(xian)(xian)中(zhong)(zhong)(zhong)度(du)(du)(du)(du)及以上(shang)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)過程；東(dong)疆和南疆城市(shi)以良(liang)(liang)(liang)至(zhi)(zhi)輕(qing)(qing)度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)為(wei)主(zhu)，其中(zhong)(zhong)(zhong)吐魯番市(shi)20—30日(ri)(ri)(ri)(ri)可(ke)(ke)(ke)能(neng)(neng)(neng)(neng)(neng)出(chu)(chu)(chu)現(xian)(xian)中(zhong)(zhong)(zhong)度(du)(du)(du)(du)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)，南疆部(bu)(bu)(bu)(bu)分城市(shi)20—21日(ri)(ri)(ri)(ri)受沙(sha)塵影響(xiang)可(ke)(ke)(ke)能(neng)(neng)(neng)(neng)(neng)出(chu)(chu)(chu)現(xian)(xian)中(zhong)(zhong)(zhong)度(du)(du)(du)(du)及以上(shang)污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)。首要污(wu)(wu)(wu)(wu)染(ran)(ran)(ran)(ran)物為(wei)PM10或(huo)PM2.5。
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