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. 2020 Sep 24;755:142526. doi: 10.1016/j.scitotenv.2020.142526

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© 2020 The Authors

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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Fig. 3 — 7-Day HYSPLITT back trajectory analyses for higher pollution periods identified in the southeast of the UK during periods (a) 10/03/2020–17/03/2020, (b) 21/03/2020–28/03/2020, (c) 06/04/2020–13/04/2020, and (d) 28/04/2020–05/05/2020. Model starting height = 10 m; time resolution = 6-h; starting location = Eastbourne (50.78 N, 0.28E).