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. 2022 Oct 8;7(1):347–358. doi: 10.1007/s41748-022-00329-7

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© King Abdulaziz University and Springer Nature Switzerland AG 2022, Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

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Fig. 7 — Extrapolation of the effect of pollution nitrate dioxide during COVID-19 lockdown using Sentinel-5P. a December 2019, b January 2020, c March 2020, d May 2020