Foghazeweather雾霾天气由刀豆文库小编整理，希望给你工作、学习、生活带来方便，猜你可能喜欢“雾霾天气的元凶不包括”。
Fog haze weather, causing a large area of low visibility condition in the city.In the morning or at night when relative humidity is larger, forming fog;Rising temperatures, humidity drops during the day, gradually into a haze.This phenomenon is due to weather and pollution emiions.Since January 9, 2013, the central and eastern regions in serious smog and pollution of the day, the national meteorological center to upgrade to the yellow fog blue warning alert, 13 to 10 Beijing released even when the weather first haze orange alert in Beijing, in mid-january, Beijing's air pollution index is close to 1000.From the northeast to the northwest, from north China to central result in huanghuai, jiangnan region, there were a wide range of severe and severe pollution.雾霾天气，造成城市里大面积低能见度的情况。在早上或夜间相对湿度较大的时候，形成的是雾；在白天气温上升、湿度下降的时候，逐渐转化成霾。这种现象既有气象原因，也有污染排放原因。2013年1月9日以来，全国中东部地区陷入严重的雾霾和污染天中，中央气象台将大雾蓝色预警升级至黄色预警，13日10时北京甚至发布了北京气象史上首个霾橙色预警，一月中旬，北京的空气污染指数接近了1000。从东北到西北，从华北到中部导致黄淮、江南地区，都出现了大范围的重度和严重污染。
Similarities between fog and haze are visibility obstruction.But the reasons for the formation of fog and haze and conditions but there's a big difference.Fog is floating in the air of a large number of small water droplets or ice crystals, forming conditions requires a higher water vapor saturated.Appeared fog air humidity, air relative humidity is 100%, or closer to 100%.Appear when the fog effective horizontal visibility to le than 1 km.When effective 1-10 km horizontal visibility as mist.Fog has with the daily variation of air humidity and appear sooner or later, the more common or add thick, relatively reduce and disappear phenomenon during the day.A haze when air is relatively dry, air relative humidity under 80% usually.Its formation is due to a large number of tiny particles of dust, smoke, salt crystals evenly suspended in the air, make effective horizontal visibility to le than 10 km air mixed corrosion phenomenon, symbols for “up”.The diurnal variation of the haze is not obvious in general.When air maes without big changes, the air ma is stable, continue to appear for a long time, sometimes sustainable more than 10 days.Because the haze and mist, dust, flying sand, dust, smoke, such as a weather phenomenon, floating in the air for all the large number of very small dust particles and smoke that effective horizontal visibility to le than 10 km.Sometimes makes meteorological profeionals are difficult to distinguish.Must be combined with the weather background, air condition, air humidity, color, smell and other factors, such as satellite monitoring to comprehensive analysis and judgment, to correct conclusions, and fog and haze weather phenomenon can transform each other sometimes.雾和霾相同之处都是视程障碍物。但雾与霾的形成原因和条件却有很大的差别。雾是浮游在空中的大量微小水滴或冰晶，形成条件要具备较高的水汽饱和因素。出现雾时空气潮湿，空气相对湿度常达100%或接近100%。出现雾时有效水平能见度小于1KM。当有效水平能见度1－10KM时称为轻雾。雾有随着空气湿度的日变化而出现早晚较常见或加浓，白天相对减轻甚至消失的现象。出现霾时空气则相对干燥，空气相对湿度通常在80%以下。其形成原因是由于大量极细微的尘粒、烟粒、盐粒等均匀地浮游在空中，使有效水平能见度小于10KM的空气混蚀的现象，符号为“∞”。霾的日变化一般不明显。当气团没有大的变化，空气团较稳定时，持续出现时间较长，有时可持续10天以上。
由于阴霾、轻雾、沙尘暴、扬沙、浮尘、烟雾等天气现象，都是因浮游在空中大量极微细的尘粒或烟粒等影响致使有效水平能见度小于10KM。有时使气象专业人员都难于区分。必须结合天气背景、天空状况、空气湿度、颜色气味及卫星监测等因素来综合分析判断，才能得出正确结论，而且雾和霾的天气现象有时可以相互转换的。
Wen: dealing with the fog haze days in action makes people see hope [5] [5] on January 24 to 29, 2013, premier wen jiabao at the zhongnanhai hosted three conferences, listen to the people from all walks of life to the government work report(draft)“the opinions and Suggestions of China's urban low-carbon JingJiWang, wen said recently the haze of the weather affect people life and health are, we should take effective measures to accelerate the industrial structure and layout adjustment, promote energy conservation and emiions reduction, the construction of ecological civilization, let people see the hope by action.温家宝:应对雾霾天用行动让人民看到希望[5] [5]2013年1月24日至29日，国务院总理温家宝在中南海主持召开三次座谈会，听取各界人士对《政府工作报告(征求意见稿)》的意见和建议中国城市低碳经济网温家宝表示，最近的雾霾天气对人们生产生活和身体健康都造成影响，我们应该采取切实有效的措施，加快推进产业结构和布局调整，推进节能减排，建设生态文明，用行动让人民看到希望 Li talk about air pollution control: we have to do something Since January 10, 2013, China's central and eastern regions last fog haze weather, political bureau of the CPC central committee and vice premier li keqiang on 15th morning at present at the meeting when it comes to air pollution problems.[6] He pointed out that in the proce, we honestly to the public in a timely manner and the data of PM2.5.Accumulation is a long-term proce, solve problems and need a long-term proce, but we must do something!On one hand we should strengthen environmental law enforcement and other relevant aspects of the work, the other party alerting the public to enhance self protection.It need to set up a national consciousne, to universal participation, common governance.[6] According to China's urban low-carbon JingJiWang reporter understanding, Chinese vice premier li keqiang was in Beijing to attend the 2012 annual meeting of the international cooperation on environment and development committee, said that the environment problem has become the important livelihood iues, the Chinese government will increase the intensity of pollution treatment, will be in beijing-tianjin-hebei, etc in 2012 and publish PM2.5 monitoring information.”People want to live and work in peace and contentment 'income, also want to sky blue green water net, as a government, has the responsibility to mobilize various aspects strength, increase the intensity of pollution treatment.Since this year, China will in beijing-tianjin-hebei, Yangtze river delta, the pearl river delta area, as well as municipalities, provincial capitals, PM2.5 monitoring and information will be released.It is an indicator, but has landmark significance, also has a spur to our work.“ [6] Li admitted that resources are relatively insufficient and limited environmental capacity has become China's basic national conditions, as the development of short board, and promote the building of ecological civilization is to break the bottleneck constraints., he says, the 12th five-year period, China will transfer the money 3.4 trillion RMB to the fields of ecological environmental protection, energy conservation and emiions reduction will be the structure adjustment and the innovation transformation of the important breakthrough point, to make the carbon dioxide emiions per unit of GDP in 2015 than in 2010 dropped by 17%..李克强谈空气污染治理：我们必须有所作为
2013年1月10日以来，我国中东部地区持续雾霾天气，中共中央政治局常委、国务院副总理李克强15日上午在出席会议时谈及空气污染治理问题。[6] 他指出，在这一过程中，我们及时并如实向公众公开了PM2.5的数据。积累问题是个长期过程，解决问题也需要一个长期过程，但是我们必须有所作为！我们一方面要加大环保执法和其他相关方面的工作力度，另一方提醒公众加强自我防护。这件事需要树立全民意识，需要全民参与，共同治理。[6] 据中国城市低碳经济网记者了解，中国副总理李克强曾在北京出席中国环境与发展国际合作委员会2012年年会时表示，环境问题已经成为重要的民生问题，中国政府将加大污染治理力度，2012年将在京津冀等地开展PM2.5监测并公布信息。”人们希望安居乐业增收，也希望天蓝地绿水净，作为政府，有责任调动各方面的力量，加大污染治理的力度。从今年起，中国将在京津冀、长三角、珠三角区，以及省辖市、省会城市开展PM2.5监测，并将公布信息。这虽然是一个指标，但是有标志性的意义，对我们的工作也有鞭策的效应。“[6] 李克强坦言，资源相对不足、环境容量有限已经成为中国的基本国情，成为发展的短板，而大力推进生态文明建设就是要打破这一瓶颈的制约。他表示，十二五期间，中国将调动3.4万亿人民币资金投放到生态环保的领域，将以节能减排作为结构调整和创新转型的重要突破口，到2015年使单位GDP的二氧化碳排放比2010年下降17%。Cardiovascular disease(CVD)The fog haze weather Haze weather is cardiovascular disease patients' ”health killer,“ [8], especially for old people with respiratory diseases and cardiovascular disease, the fog had better not go out, should not be more exercise, otherwise may cause illne, and even a heart attack, causing life threatening.Said expert points out, the fog is ”dangerous“ in patients with cardiovascular disease, oil-gas because of fog, the lower the oxygen content in air, it's easy to feel chest tightne, [9] damp and cold in the morning mist still can cause the cold stimulation, it is easy to cause fluctuations in blood preure, vascular spasm, cardiac load, etc.At the same time, the fog of some pathogens can lead to headaches, or even cause disease such as hypertension, cerebral hemorrhage.As a result, people with cardiovascular disease, especially the frail elderly, should not be out in the fog, more should not be doing morning exercises in the fog, lest produce risk.[10] Respiratory tract infection Fog haze weather cold in winter, this lead to the city each big hospital patients, the proportion of patients with respiratory tract infection year-on-year rise obviously.According to statistics, Beijing children's hospital on January 5 to 11, Beijing children's hospital er visits, the door has reached the highest peak of more than 9000 people, respiratory infection accounted for about 50% to the internal medicine patients.In mid-january, to institute of respiratory diseases increased by twenty percent, average daily accepts more than 100 patients, already account for half of total emergency medicine, among them, both chronic pneumonia, cerebral infarction symptoms aggravate, have circulating flu patients infected with the virus.Yang Jianping, said the cold weather, plus the air pollution is serious, it is easy to cause all kinds of respiratory disease, such as chronic obstructive pulmonary disease(copd), ”some flu fever, cough for 3 months did not heal, because the air quality is too bad, the second is more than flu caused by cro infection.The reporter learns from the Beijing center for disease control and prevention, on January 14 to 20, the city level 2 doors, emergency medical institutions above the cumulative monitoring number more than 770000 people, of influenza-like cases accounted for 3.3%, but the air does not flow causes flu peak power to strengthen, influenza-like cases level is still in the height of the disease 心血管疾病
雾霾天气
雾霾天气是心血管疾病患者的“健康杀手”，[8]尤其是有呼吸道疾病和心血管疾病的老人，雾天最好不出门，更不宜晨练，否则可能诱发病情，甚至心脏病发作，引起生命危险。专家指出，之所以说雾天是心血管疾病患者的“危险天”，是因为起雾时气压低，空气中的含氧量有所下降，人们很容易感到胸闷，[9]早晨潮湿寒冷的雾气还会造成冷刺激，很容易导致血压波动、血管痉挛、心脏负荷加重等。同时，雾中的一些病原体会导致头痛，甚至诱发高血压、脑溢血等疾病。因此，患有心血管疾病的人，尤其是年老体弱者，不宜在雾天出门，更不宜在雾天晨练，以免发生危险。[10] 呼吸道感染
雾霾天气遇到冬季寒流，导致本市各大医院门急诊患者中，呼吸道感染的患者比例同比明显上升。据北京市儿童医院统计，1月5日至11日，北京儿童医院日门急诊量最高峰曾达到9000多人次，呼吸道感染占到内科病人的50%左右。
1月中旬，来院就诊的呼吸系统疾患增加了两成，日均接诊100余名患者，已经占到急诊内科总量的一半，其中，既有慢性肺炎者、脑梗塞症状加剧者，也有循环被感染的流感患者。杨建萍说，天气寒冷，再加上空气污染严重，很容易引起各种呼吸系统疾病，如慢性阻塞性肺病等，“有的流感患者发烧、咳嗽了3个月都没有痊愈，一是因为空气质量太糟糕，二是周边流感患者多导致的交叉感染”。
记者从北京市疾控中心获悉，1月14日至20日，全市二级以上医疗机构累计监测门、急诊就诊人数77万多人，流感样病例占3.3%，但空气不流通导致流感高峰势力得以增强，流感样病例发病水平仍然处于高峰时期 Measures to prevent Go out wearing a mask If go out can be put on the mask, so that we can effectively prevent dust particles into the body.Best mask with cotton masks, because some people allergic to non-woven fabrics, and cotton masks, it is generally not allergic, and easy to clean.Go out back, should immediately to clean face and bare skin.Fog haze weather le open the window Many people used to open a window ventilated.But if haze all day do not come loose, it is the closed or open a window ventilated doors and Windows? Li zhi refers to The fog haze weather , fog, haze weather not advocating a window ventilated, reopen window is ventilated, such as the sun came out best.Light diet drink more water Fog diet should choice light digestible and foods rich in vitamins, drink water more, eat fresh vegetable and fruit more, such not only can supplement various vitamin and inorganic salt, still can rise to embellish lung in addition to dry, the action of expectorant cough, spleen and kidney.Eat excitant food le, eat more pears, loquat, clear lung phlegm food such as orange, orange.A moderate amount of vitamin D supplements Mist, le sunshine, the more this season because of a shortage of ultraviolet irradiation, inadequate vitamin D production in the human body, some people will produce the phenomenon such as mental lazine, depreed, added some vitamin D when neceary.[17] Produce free radicals in the body We know that smoking is harmful to health, because smoking can lead to increase the number of free radicals inside the body.Free radicals can attack the cells of the body organs, causing various diseases.Fog and haze after entering the human body can produce much more radical than smoking.Is the most direct performance of respiratory system diseases, even serious may induce heart disease, cancer and death.[18] So when we encounter haze weather, in addition to physical isolation measures, but also completes the fog haze weather clear produce free radicals in the body, such ability can from inside to outside to protect our health.The only effective against free radicals method is to add antioxidants [19], because antioxidant can effectively remove free radicals.Usually we eat some fruits and vegetables contain antioxidants, but very little content, and can't meet our body antioxidant needs every day, especially in the polluted city.These cases has attracted the attention of a great world preventive medicine, the development and production in some European and American developed countries some antioxidant value very high product, can be effective against the worsening environmental pollution to the harm of human body.Make personal hygiene Fog appears to be moderate, it contains all kinds of acid, alkali, salts, amine and phenol, dust, harmful material such as pathogenic microorganism, therefore fog out should return immediately wash face and bare skin.A variety of green plants In his balcony, terrace, a variety of indoor green plant.Singapore indoor green wall, from the balcony, windowsill to underground warehouse, plant has been kind to the 9 floor from the ground floor.But in Beijing, a lot of high-grade office buildings are not green.If each plant one square metre, Beijing can be increased by 20 million square meters of green plant.In the proce of interview, whether Wang Xianmin office doorway or indoor, reporters saw many plants.From his experience, other, evergreen, tiger and other green leafy plants, because of its bigger blades, adsorption capacity is relatively strong 防范措施 外出戴口罩
如果外出可以戴上口罩，这样可以有效防止粉尘颗粒进入体内。口罩以棉质口罩最好，因为一些人对无纺布过敏，而棉质口罩一般人都不过敏，而且易清洗。外出归来，应立即清洗面部及裸露的肌肤。雾霾天气少开窗
很多人习惯开窗通风。可如果雾霾一整天不散，是该开窗通风还是紧闭门窗呢？李智指
雾霾天气
出，雾霾天气里，不主张早晚开窗通风，最好等太阳出来再开窗通风。饮食清淡多喝水
雾天的饮食宜选择清淡易消化且富含维生素的食物，多饮水，多吃新鲜蔬菜和水果，这样不仅可补充各种维生素和无机盐，还能起到润肺除燥、祛痰止咳、健脾补肾的作用。少吃刺激性食物，多吃些梨、枇杷、橙子、橘子等清肺化痰食品。适量补充维生素D 这个季节雾多、日照少，由于紫外线照射不足，人体内维生素D生成不足，有些人还会产生精神懒散、情绪低落等现象，必要时可补充一些维生素D。[17] 体内产生自由基
我们知道吸烟有害身体健康，是因为吸烟会导致增加身体内自由基的数量急剧上升。自由基会攻击身体器官的细胞，从而引起各种疾病。而雾霾进入人体后会产生的自由基要远比吸烟多很多。最直接的表现就是呼吸系统的疾病，甚至严重的可能诱发心脏病、致癌、致死。[18] 所以当我们遭遇雾霾天气的时候，除了要做好物理措施的隔离，还要做好雾霾天气在体内产生的自由基的清理，这样才能够从里到外的全面保护我们的身体健康。
对抗自由基的唯一有效方法是补充抗氧化剂[19]，因为抗氧化剂可以有效清除自由基。平时我们吃的蔬菜水果就含有一些抗氧化成分，但是含量很少，并不能满足我们身体每天的抗氧化所需，特别是在污染严重的城市。这些情况引起了世界预防医学界的重视，在一些欧美发达国家研制生产出来一些抗氧化值非常高的产品，可以有效对抗日益恶化的环境污染对人体的危害。做好个人卫生
雾气看似温和，里面却含有各种酸、碱、盐、胺、酚、尘埃、病原微生物等有害物质，因此雾天外出归来应立即清洗面部及裸露的肌肤。多种绿植
在自家阳台、露台、室内多种绿植。新加坡室内的绿墙，从阳台、窗台到地下仓库，植物从1楼一直种到9楼。但是在北京，很多高档的写字楼都没有绿色。如果每人种植一平方米，北京就能新增2000万平方米的绿植。在采访过程中，不管是王仙民办公室门口还是室内，记者都看到很多植物。从他的经验来看，绿萝、万年青、虎皮兰等绿色冠叶类植物，因其叶片较大，吸附能力相对较强 Analysis of the causes Involved in urban planning of industrial structure, etc 14, Zhang Dawei, director of the Beijing municipal environmental protection bureau environmental protection monitoring center is introduced at a news conference, coal, automobile, industrial dust, these big pollution emiions, is the root cause of the serious pollution.Environmental pollution prevention and control division, the inspector of the 14 he confees to the economic information daily, reporter, the annual emiions of sulfur dioxide control within the 12 million tons, can meet suitable for outdoor activities, “3 days” requirements;But at the end of the period of “11th five-year plan” “15” at the end of sulfur dioxide emiions by more than 10%, sulfur dioxide emiions have risen to more than 2200, ten thousand tons per year, is still far more than 12 million tons, “as well as sulfur dioxide and other pollutants emiions more than environmental carrying capacity level, in the short term is still cannot meet the demand of comfort and health of the maes”.“Air pollution involves the industrial structure, energy structure, urban planning and so on all aspects, in the short term for 'weather' heavy pollution caused by the temporary emergency measures to no avail.” Environmental science and engineering research institute of tsinghua university, Chinese academy of engineering academician Hao Ji confeed.'he said, nearly 10 years, mainly coal energy structure has not been improved significantly.Such as the Asian development bank report released, said all of the above pollutants from industrial point source emiion and vehicle exhaust emiions.On the one hand, the majority of so2 emiions from coal-fired power plants and non-metallic mineral production, steel, non-ferrous metal smelting and chemical manufacturing enterprises.These industries account for more than 85% of total so2 emiions, substantially higher than their contribution to gro value of industrial output.Because, on the other hand, including PM 2.5 and other pollutants, motor vehicle exhaust can lead to serious air pollution.Over the past few years, civil motor vehicles(i.e., military vehicles, official vehicles and private cars)is growing at 15% per year, the number of private cars annual growth rate is 20%.Specific to PM 2.5, the environmental protection agency environmental and economic Xia Guang tells a reporter, director of the center for policy research, a large city of PM 2.5 exceeds bid badly is aociated with the following factors: one is the farthest vegetation destroyed, hundreds of kilometers from the exposed surface soil, sand and dust transportation over a long distance to the city;Second is the integration of urban and rural areas after city center building, in Beijing, for example, five or six rings outside of the dust float in the sky;Three is industrial production and daily life of pollutants, including fry rape oil smoke, motor vehicle exhaust, coal-fired boiler, gas stations and household decorates volatiles and so on;Four is surrounding city heavy chemical industry pollutant discharge, such as peripheral PM 2.5 emiion contribution of Beijing city is close to a quarter.原因分析
涉及产业结构城市规划等方面
14日，北京市环保局环保监测中心主任张大伟在新闻发布会上介绍，燃煤、机动车、工业、扬尘，这些污染源排放量大，是造成本次严重污染的根本原因。
环保部污染防治司原巡视员李新民14日向《经济参考报》记者坦陈，把二氧化硫的年排放量控制在1200万吨以内，才能满足适合户外活动的“三级天”要求；但“十一五”末期较“十五”末期减排二氧化硫超过10%之后，每年二氧化硫的排放量仍然达到2200多万吨，仍然远远超过1200万吨，“和二氧化硫一样，其他污染物超过环境承载能力的排放水平，短期内仍不能满足群众的舒适度和健康需求”。
“大气污染涉及到工业结构、能源结构、城市规划等方方面面，短期内针对'重污染'天气而采取的临时性应急措施无济于事。”清华大学环境科学与工程研究院院长、中国工程院院士郝吉明说。李新民则表示，近十年里，以煤炭为主的能源结构都未得到明显改善。
亚洲开发银行等发布的报告则表示，上述所有污染物来自工业点源排放和机动车尾气排放。一方面，大部分二氧化硫排放均来自火电厂以及非金属矿物生产、炼钢、化工制造和有色金属冶炼企业。这些行业占二氧化硫总排放的85%以上，大大高于它们对工业总产值的贡献率。另一方面，由于包括PM 2.5等多种污染物，机动车尾气会导致严重的空气污染。而过去几年，民用机动车(即非军用车、公务车和私家车)的数量每年以15%的速度增长，私家车年增长率更是达到20%。
具体到PM 2.5，环保部环境与经济政策研究中心主任夏光告诉记者，大型城市PM 2.5严重超标与以下因素相关：一是最远达到几百公里之外的植被遭到破坏，裸露的表土大量增加，沙尘远距离运输到城市；二是城乡结合部继中心城区之后大兴土木，以北京为例，五六环外尘土飞扬；三是工业生产和日常生活的污染物排放，包括燃煤锅炉、机动车尾气、炒菜油烟、加油站和家居装修的挥发物等等；四是周边城市重化工业污染物排放，如周边城市对北京PM 2.5排放的贡献度接近四分之一。Frequent cause Saturday Feb.13(xinhua)according to the national weather service site news, the reporter learns from the China meteorological administration February pre conference, since winter, in most parts of eastern frequent fog haze, fog haze days generally in 5 days or more.Meteorological experts said, the cause of haze weather, the more the lay particular stre on main has the following three aspects: The January effect is weaker in the south side of the cold air activities in China, the wind speed is small, stable atmospheric conditions in most regions of middle frequency significantly, especially in north China is as high as 64.5%, the highest for nearly 10 years, easy to cause accumulation of pollutants in the surface layer, resulting in haze weather happens;2 it is winter in China background aerosol concentration is high, to create the fog haze formation;Three is the fog haze weather nearly stratum atmosphere is more stable, will aggravate the fog haze development, worsen air pollution.Fog haze weather formation is affected by weather conditions, also aociated with increased atmospheric pollutants, Suggestions to further increase the intensity of atmospheric environmental management and protection, in particular to strengthen more department in consultation with linkage, perfect the statical stability weather emergency under the condition of air pollutants emiion reduction plan, in order to prevent and control pollution of heavy weather.Since winter, southern hebei province, in eastern Beijing, shanxi, shandong, henan, anhui, jiangsu, Shanghai, zhejiang, fujian, hubei, hunan, jiangxi most of eastern, western guangdong, guangxi, sichuan and yunnan local has 10 ~ 20 days, the most in more than 20 days in jiangsu.Compared to all the year round in the same period, south of hebei province, north of Beijing, tianjin, shandong, henan, anhui, jiangsu, east of Shanghai, zhejiang, guangdong, guangxi and other places more in 1 days or more, including Beijing, tianjin, anhui, Shanghai and other places more 3 ~ 8 days, most of northeastern north shandong, anhui, jiangsu, northern zhejiang and guangdong more than eight days in the south.North east of central and southern jiangsu, sichuan, chongqing southwest, west of guizhou and other places of 8 ~ 15 days visibility of le than 1000 meters, east southern hebei and northwestern shandong, sichuan and other places in parts of 5 ~ 12 days visibility of le than 500 meters.频发原因
中新网2月13日电 据国家气象局网站消息，记者从中国气象局2月新闻发布会上获悉，入冬以来，中东部大部地区雾霾频发，雾霾日数普遍在5天以上。气象专家表示，造成雾霾天气偏多、偏重的原因主要有以下三方面： 一是1月影响我国的冷空气活动较常年偏弱，风速小，中东部大部地区稳定类大气条件出现频率明显偏多，尤其是华北地区高达64.5%，为近10年最高，易造成污染物在近地面层积聚，从而导致雾霾天气多发；
二是我国冬季气溶胶背景浓度高，有利于催生雾霾形成；
三是雾霾天气会使近地层大气更加稳定，会加剧雾霾发展、加重大气污染。雾霾天气形成既受气象条件的影响，也与大气污染物排放增加有关，建议进一步加大大气环境治理和保护力度，特别是要加强多部门会商联动，完善静稳天气条件下大气污染物应急减排方案，以防范和控制重污染天气的出现。
据悉，入冬以来，河北南部、北京、山西东部、山东、河南、安徽、江苏、上海、浙江、福建、湖北、湖南、江西大部、广东西部、广西东部及四川和云南局部等地有10～20天，其中江苏大部在20天以上。相比于常年同期，河北南部、北京、天津、山东、河南北部、安徽、江苏、上海、浙江、广东、广西东部等地偏多在1天以上，其中北京、天津、安徽大部、上海等地偏多3～8天，山东北部、安徽东北部、江苏大部、浙江北部及广东南部偏多超过8天。华北南部及江苏中部、四川东部、重庆西南部、贵州西部等地有8～15天能见度不足1000米，河北南部、山东西北部、四川东部等地部分地区有5～12天能见度不足500米。
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