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Home  /  Picture of the Day  /  Pic of the Day by Category  /  Environment & Health 环境和卫生   /  环保部叫驻华使馆停PM2.5数据 - The Ministry of Environmental Protection demands that foreign embassies in China stop publishing PM2.5 (air quality) data
环保部叫驻华使馆停PM2.5数据 - The Ministry of Environmental Protection demands that foreign embassies in China stop publishing PM2.5 (air quality) data print version
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The Ministry of Environmental Protection stopped publishing the PM2.5 data for air quality in Beijing. Nowadays it also demands that foreign embassies in the Chinese capital cease to publish this data. While foreign critics see this as state attempt to conceal 'dirty' data, local announcements express a completely different explanation, as introduced in this article.

PM2.5是指大气[1]中直径(diameter)小于或等于2.5微米(micron)的颗粒物[2],也称为可入[3]颗粒物。它的直径还不到人的头发丝[4]细的1/20。虽然PM2.5只是地球大气成分中含量很少的组分,但它对空气质量[5]和能见度[6]等有重要的影响。富含大量对人体健康和大气质量的影响更大。
  
2012年2月,国务院(State Council)同意发布新修订[7]的《环境空气质量标准》[8]增加了PM2.5监测标准[9]。北京市(Beijing city)环保局(Department of Environmental Protection)今年起将不再公布蓝天数[10],据北京环保局公布的资料显示,2011年全市空气质量二级和好于二级的蓝天达到286天。据悉,这也是北京最后一次发布蓝天数据,今后取而代之[11]的是区域污染物浓度[12]。

环保部希望一些驻华使馆[13]停止发PM2.5数据。环保部副部长[14]吴晓青表示,‘外国驻华使馆开展对我国PM2.5监测并且发布数据,在技术上已经不符合国际的要求,也不符合中国的要求。希望一些驻华使馆尊重我国相关法规[15],停止发布不代表性[16]的空气质量信息。'

PM2.5 signifies air particles of 2.5 diameter micron or under. It also indicates particles that can enter the lungs. The size of these particles does not reach 1/20 of the thickness of a strand of hair. Although PM2.5 particles consist of only a small portion of the air's content, they have a strong effect on the quality of air and its visibility. A large quantity of PM2.5 can affect the health of people and the quality of air.

On February 2012, China's State Council approved the newly revised "Air Quality Standards", raising the level of supervision. This year, the Department of Environmental Protection in the Beijing municipality will not publish the 'blue sky' data again. The data of Beijing's Department of Environmental Protection show that in 2011, 286 days in Beijing had a 'blue sky' level of 2 and above. It is reported that this was the last time that Beijing published such data. Henceforth it will be replaced by data of regional density of pollutants.

The Ministry of Environmental Protection hopes that some foreign embassies in China stop publishing PM2.5 data. Vice minister Wu Xiaoqing said that 'the PM2.5 monitoring launched by foreign embassies is already not in accord with the current international standards in terms of technology. It also does not meet the Chinese standards. I hope that several embassies stationed in China respect our nation's regulations and stop publishing the non-representative information of air quality.'

 Original article published by 工大在线


[1] 大气 dàqì - Air

[2] 颗粒物 kēlì wù - Small particles

[3] 肺 fèi - Lungs

[4] 头发丝 toufà sī  - A strand of hair

[5] 空气质量 kōngqì zhìliàng - Air quality

[6] 能见度 néngjiàn dù - Visibility

[7] 新修订 xīnxiū ding - Newly revised

[8] 《环境空气质量标准》huánjìng kōngqì zhìliàng biāozhǔn - 'Standards of environmental air quality'

[9]监测标准 jiāncè biāozhǔn - Monitoring standards

[10] 蓝天数 lántiān shù - 'Blue-skies' data; another term for the PM2.5 air-quality data

[11] 取而代之 qǔ ér dài zhi - Replacement

[12] 区域污染物浓度 qūyù wūrǎn wù nóngdù - 'Regional pollutant density'; and alternative measurement for air quality, now utilized in Beijing

[13] 驻华使馆 zhùhuá shǐguǎn - Embassies stationed in China

[14] 副部长 fùbùzhǎng - Vice-minister

[15] 法规 fǎguī - Regulations

[16] 不代表性 bù dàibiǎo xìng - Unrepresentative


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