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. 2020 May 13;4(6):e210–e212. doi: 10.1016/S2542-5196(20)30107-8

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© 2020 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Air pollution levels and avoided cause-specific deaths during the COVID-19 outbreak in China

(A) The coronavirus disease 2019 (COVID-19) epidemic curve and quarantine timeline in Wuhan, Hubei province (outside of Wuhan), and China (outside of Hubei) from Jan 5 to March 14, 2020. New confirmed cases of COVID-19 were reported by the National Health Commission of China. (B) Daily nitrogen dioxide and PM2·5 concentrations from 20 days before the Chinese New Year and 50 days after the Chinese New Year in 2020 (blue line) and 2016–2019 (grey line). (C) The mean nitrogen dioxide tropospheric column density before and during the quarantine period in 2020. (D) The reduction in cause-specific deaths in China due to a decrease in air pollution during quarantine.