eBeijing, the Official Website of the Beijing Government

Preface

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In a bid to improve protection of the environment during the winter, Beijing has tightened related accountability measures for trucks and coal burning to further improve the air quality in Beijing and surrounding areas. As data show, the air has already improved but still needs further steps of progress.

Actual Data:

In September 2017, the mean monthly concentration of fine particulate matter (PM2.5) throughout the whole city is 58mcg/m3. In the first three quarters, average concentration of PM2.5 is 60mcg/m3 with year-on-year decrease of 3.2%, reduced by 34.8% on the same period of 2013.   
For all regions: Up to late September, the concentration of PM2.5 is between 51 and 71mcg/m3, especially lower than 60mcg/m3 in Yanqing and other 7 regions.

From March to August of 2017, thanks to our emission reduction measures commonly implemented by our city and surrounding regions, the mean monthly concentration of PM2.5 throughout the whole city has plummeted to the historic levels for six months. And the cumulative concentration is 60mcg/m3 by the end of September.

Unfortunately, typical winter pollution appears in advance and it is still a severe challenge to prevent and control air pollution.

Source: eBeijing.gov.cn
Date: 2017-11-30