日韩精品久久一区二区三区_亚洲色图p_亚洲综合在线最大成人_国产中出在线观看_日韩免费_亚洲综合在线一区

Global EditionASIA 中文雙語Fran?ais
China
Home / China / Environment

Progress in fighting smog 'most noticeable' in 2017

By ZHENG JINRAN | China Daily | Updated: 2018-02-12 07:56
Share
Share - WeChat
A watchtower of the Palace Museum and the blue sky in Beijing on Jan 22, 2018. [Photo/VCG]

Weather center data show steady fall in air pollution since peak 5 years ago

China has seen continuous improvements in air quality since 2013, when pollution levels hit a record high, with another drop in "smoggy days" recorded last year, according to meteorological data.

Starting in 2000, the country began to experience a steady increase in pollution, reaching a peak in 2013 when it experienced 13 rounds of smog, data from the National Meteorological Center show.

However, since the central government introduced its Action Plan on Air Pollution Control and Prevention that year, the smog has lessened in intensity, according to a bulletin on atmospheric environment released by the center on Sunday.

"The improvement in air quality in 2017 is the most noticeable," said Zhang Hengde, the center's senior engineer.

Monitoring stations across China recorded just 27.5 "smoggy days" on average last year, 19.4 days fewer than in 2013, he said, adding that the Beijing-Tianjin-Hebei region saw the biggest change: from 71.1 days down to 42.3.

Chinese meteorological centers use the term "smoggy days" to describe poor air quality based on factors such as PM2.5 (fine hazardous particulate matter), visibility and humidity. But its measurements can differ from the indexes used by environmental protection authorities.

Long-term data from the center show the country has also seen a steady decrease in sandy weather since 2010.

Zhang attributed the progress last year to government efforts to curb pollution as well as the high number of windy days, especially in winter months. "Credit should be given to the effective controls on pollutant emissions," he said.

Simulations based on the center's meteorological monitoring show measures to reduce pollutant emissions nationwide managed to cut the daily average PM2.5 concentration by 43.5 percent last year compared with the level in 2013.

The findings are similar to information released earlier by the Ministry of Environmental Protection, which said the average PM2.5 concentration had fallen by 44.2 percent over the same period.

However, Zhang warned that despite the positive trend, the weather could still worsen in some regions during specific periods, so controls must be continued.

"We will continue to cooperate with the environmental protection authorities to provide monitoring and forecasts on air pollution," he added.

Top
BACK TO THE TOP
English
Copyright 1995 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
License for publishing multimedia online 0108263

Registration Number: 130349
FOLLOW US
 
主站蜘蛛池模板: 久久久久久综合 | 男女性关系视频免费观看软件 | 天天插天天操天天射 | 免费大片在线观看网站 | 日本黄色一级视频 | 久久精品国产免费看久久精品 | 欧美不在线 | 日韩亚洲第一页 | 午夜神器18以下不能进免费观看 | 亚洲国语 | 小优视频为爱而生懂你更多茄子 | 无码免费一区二区三区免费播放 | 久久一区 | 天天操天天透 | 日韩av片在线免费观看 | 99中文字幕 | 亚洲网站在线免费观看 | 久久一区二区三区免费播放 | 日本午夜高清视频 | 古装三级在线观看 | 色欧美色 | 亚洲精品美女久久777777 | 精品欧美一区视频在线观看 | 欧美精品黄页在线观看大全 | hdfreexxxx中国妞| 无限看片在线版免费视频大全 | 亚洲婷婷国产精品电影人久久 | 欧美日韩国产手机在线观看视频 | 日本三级香港三级乳网址 | 看黄色一级视频 | 久久精品欧美一区二区三区不卡 | 末成年毛片在线播放 | 欧美日韩在线一区二区三区 | 视频一区二区在线观看 | 99成人| 成人日韩在线 | 黄色资源在线观看 | 日韩在线视频在线 | 狠狠操狠狠操狠狠操 | 五月婷六月婷婷 | 国产精品一区av |