Environmental Science and Pollution Research

, Volume 25, Issue 10, pp 9949–9956 | Cite as

Air quality and acute myocardial infarction in adults during the 2016 Hangzhou G20 summit

  • Ming-Wei Wang
  • Juan Chen
  • Ran Cai
Research Article


To fulfill its commitment to a successful Hangzhou G20 summit (4 to 5 September 2016), the Chinese government implemented a series of measures to improve the air quality in Hangzhou. We report findings on air quality and acute myocardial infarction (AMI) hospital admissions in adults during the Hangzhou G20 summit. Three study periods were defined. The first period was pre-G20 (28 July to 27 August: limited restrictions on industrial emissions). The second period was G20 (28 August to 6 September) when there were further restrictions on industrial emissions and increased transportation restrictions. The third period was post-G20 (7 September to 6 October) when restrictions were relaxed again. The mean number of AMI admissions per day was, respectively, 8.2 during G20, 13.3 during pre-G20, and 15.1 during post-G20. We used time-series Poisson regression models to estimate the relative risk (RR) for AMI associated with pollution levels. Our results suggest that the air quality improvement can reduce the number of hospital admissions for AMI.


Air pollution Acute myocardial infarction Hangzhou G20 summit 



This study was supported by Hangzhou science and technology project (Grant No.20150733Q24), Hangzhou science and Technology Association Science Popularization project (Grant No.2015(39)) and Hangzhou science and Technology Association Science Popularization project (Grant No.2017(28)).

Compliance with ethical standards

This study was approved by the Hangzhou Municipal Teachers College Affiliated Hospital Research Project Review Committee.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018
corrected publication February 2018

Authors and Affiliations

  1. 1.Division of CardiologyThe Affiliated Hospital of Hangzhou Normal UniversityHangzhouChina
  2. 2.Division of OphthalmologyThe Affiliated Hospital of Hangzhou Normal UniversityHangzhouChina
  3. 3.Zhejiang Provincial Center for Disease Control and PreventionHangzhouChina

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