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More than nine in 10 Chinese cities exceeded air pollution targets in 2014, says Greenpeace

BMJ 2015; 350 doi: https://doi.org/10.1136/bmj.h590 (Published 03 February 2015) Cite this as: BMJ 2015;350:h590
  1. Shuping Dai, Lingzhong Xu
  1. 1School of Public Health, Shandong University

Over 90% of the 190 Chinese cities that reported pollution levels in 2014 exceeded the national standard, a report by Greenpeace has found. Cities in the north of China were the worst polluters—seven of the top 10 most polluted cities were in Hebei Province and three were in Shandong Province.

The report found that in 2014 the average emission of particulate matter with an aerodynamic diameter of <2.5 μm (PM2.5) in 190 Chinese cities was 60.8 μg/m3. A total of 49 cities recorded over double the …

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