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Post time 2015-2-4 08:03:03 |Display all floors
This post was edited by futsanglung at 2015-2-4 08:06

Most China cities fail to meet air quality standardsThe air in the capital of Beijing did not meet quality standards, according to Chinese authorities


Only eight out of China's 74 biggest cities passed the government's basic air quality standards in 2014, the environment ministry has said.

The most polluted cities were in north-eastern Hebei, the province that surrounds the capital Beijing.

Beijing and Shanghai both failed the assessment, which was based on measurements of major pollutants.

China is attempting to cut pollution but the country still relies heavily on coal for its energy needs.

The government shut more than 8,000 coal-burning factories in Hebei last year.

But the BBC's Celia Hatton in Beijing says like many places in China, the authorities are struggling to balance factory closures with the demands of the country's slowing economy.

The environment ministry's statement published on its website ( see below)  noted that the 2014 result was an improvement over the previous year, where only three cities met the standards.

But it added that "presently, the country's air pollution situation remains serious".

The northern industrial city of Baoding was found to have the worst air in 2014...
...while the southern city of Haikou was found to have the cleanest.

The assessment was based on readings of pollutants such as PM2.5, PM10, nitrogen dioxide, carbon monoxide and ozone.

The southern city of Haikou, in Hainan province, was found to have the cleanest air.

Most of the eight cities that made the grade were in the east of the country.

Meanwhile the northern industrial city of Baoding had the dirtiest air.


The statement did not give the rankings for Beijing and Shanghai, although it noted that Beijing's air quality had improved slightly over the previous year.

The Chinese authorities announced a "war on air pollution" last year, and recently began publishing figures for the air quality in China's cities. Officials have pledged to restrict consumption of coal, scrap millions of cars and rely more on clean energy sources.

At November's Apec summit, China made a historic pledge that its carbon emissions would peak by 2030, but did not set a specific target.

It also attempted to improve the air quality in Beijing during the Apec summit, imposing tight limits on car use and ordering factories to close in the weeks leading up to the meeting.

The temporary improvement in air quality was termed "Apec Blue", and the government has since promised to make it a permanent feature by improving air quality countrywide.


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Post time 2015-2-4 08:06:58 |Display all floors

环境保护部发布2014年重点区域和74个城市空气质量状况


环境保护部发布2014年重点区域和74个城市空气质量状况
  环境保护部有关负责人近日向媒体发布了2014年京津冀、长三角、珠三角区域和直辖市、省会城市及计划单列市共74个城市空气质量状况。
  这位负责人介绍说,按照《环境空气质量标准》评价,2014年,京津冀、长三角、珠三角等重点区域和直辖市、省会城市及计划单列市共74个城市中,海口、拉萨、舟山、深圳、珠海、福州、惠州和昆明8个城市的细颗粒物(PM2.5)、可吸入颗粒物(PM10)、二氧化氮(NO2)、一氧化碳(CO)和臭氧(O3)等6项污染物年均浓度均达标,其他66个城市存在不同程度超标现象。2014年空气质量相对较好的前10位城市分别是海口、舟山、拉萨、深圳、珠海、惠州、福州、厦门、昆明和中山;空气质量相对较差的前10位城市分别是保定、邢台、石家庄、唐山、邯郸、衡水、济南、廊坊、郑州和天津。
  京津冀区域13个地级及以上城市,空气质量平均达标天数为156天,比74个城市平均达标天数少85天,达标天数比例在21.9%~86.4%之间,平均为42.8%,与2013年相比,平均达标天数比例上升5.3个百分点。重度及以上污染天数比例为17.0%,高于74个城市11.4个百分点,与2013年相比下降3.7个百分点。超标天数中以PM2.5为首要污染物天数最多,其次是PM10和O3。京津冀区域PM2.5年均浓度为93微克/立方米, 12个城市超标;PM10年均浓度为158微克/立方米,13个城市均超标;SO2年均浓度为52微克/立方米,4个城市超标;NO2年均浓度为49微克/立方米,10个城市超标;CO日均值第95百分位浓度为3.5毫克/立方米,3个城市超标;O3日最大8小时均值第90百分位浓度为162微克/立方米,8个城市超标。北京市达标天数比例为47.1%,与2013年相比下降1.1个百分点,PM2.5年均浓度为85.9微克/立方米,与2013年相比下降4.0%。
  长三角区域25个地级及以上城市,空气质量平均达标天数为254天,比74个城市平均达标天数多13天,达标天数比例在51.6%~94.0%之间,平均为69.5%,与2013年相比,平均达标天数比例上升5.3个百分点。重度及以上污染天数比例为2.9%,低于74个城市2.7个百分点,与2013年相比下降3.0个百分点。超标天数中以PM2.5为首要污染物天数最多,其次是O3和PM10。长三角区域PM2.5年均浓度为60微克/立方米,24个城市超标;PM10年均浓度为92微克/立方米,22个城市超标;SO2年均浓度为25微克/立方米,25个城市均达标;NO2年均浓度为39微克/立方米,11个城市超标;CO日均值第95百分位浓度为1.5毫克/立方米,25个城市均达标;O3日最大8小时均值第90百分位浓度为154微克/立方米,10个城市超标。
  珠三角区域9个地级及以上城市,空气质量平均达标天数为298天,比74个城市平均达标天数多57天,达标天数比例在70.2%~95.6%之间,平均为81.6%,与2013年相比,平均达标天数比例上升5.3个百分点。重度污染天数比例为0.4%,重度及以上污染天数比例低于74个城市5.2个百分点。超标天数中以O3为首要污染物天数最多,其次是PM2.5和NO2。珠三角区域PM2.5年均浓度为42微克/立方米,6个城市超标;PM10年均浓度为61微克/立方米,1个城市超标;SO2年均浓度为18微克/立方米,9个城市均达标;NO2年均浓度为37微克/立方米,3个城市超标。CO日均值第95百分位浓度为1.5毫克/立方米,9个城市均达标。O3日最大8小时均值第90百分位浓度为156微克/立方米,4个城市超标。
  这位负责人表示,《大气十条》实施一年来,在各级各部门的共同努力下,大气污染治理工作初显成效,与2013年相比,74个重点城市空气质量总体改善。一是达标城市比例和达标天数增加。74个重点城市平均达标天数为241天,与2013年相比,达标天数比例由60.5%提高到66.0%,达标城市数量由3个增加到8个。二是主要污染物浓度下降。74个重点城市中,主要污染物浓度与2013年相比均有不同程度下降。三是重污染天气发生频次和强度均降低。与2013年相比,74个城市重度及以上污染天数比例由8.6%下降为5.6%,下降3.0个百分点。
  这位负责人指出,目前我国大气污染形势依然严峻,主要体现在以下几个方面:一是三大重点区域仍是空气污染相对较重区域。京津冀区域13个地级以上城市中,有11个城市排在污染最重的前20位,其中有8个城市排在前10位,区域内PM2.5年均浓度平均超标1.6倍以上。二是复合型污染特征突出。传统的煤烟型污染、汽车尾气污染与二次污染相互叠加,部分城市不仅PM2.5和PM10超标,O3污染也日益凸显。三是重污染天气尚未得到有效遏制。2014年全国共发生两次(2月和10月)持续时间长、污染程度重的大范围重污染天气过程,重污染天气频发势头没有根本改善。
  这位负责人表示,环境保护部将认真总结一年来大气污染防治工作经验,深入贯彻《大气十条》,充分发挥空气质量监测数据的先行和引导作用,加强监测数据质量管理、做好空气质量排名和信息公开、加强预报预警工作,推动环境空气质量持续改善

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Post time 2015-2-4 08:50:26 |Display all floors
China can never be successful without clean air and food.

GDP is completely useless


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Post time 2015-2-4 09:07:39 |Display all floors
freetofly Post time: 2015-2-4 08:50
China can never be successful without clean air and food.

GDP is completely useless

You noticed

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Post time 2015-2-4 09:08:28 |Display all floors
What was the thread that classed Beijing in the top ten for liveable cities in China?

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Post time 2015-2-4 09:08:39 |Display all floors
.

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Post time 2015-2-4 09:10:19 |Display all floors
freetofly Post time: 2015-2-4 08:50
China can never be successful without clean air and food.

GDP is completely useless

So what to do?

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