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. 2019 Nov 20;18:98. doi: 10.1186/s12940-019-0543-x

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 7 — Sensitivity analysis when altering the degrees of freedom (df = 3–5) for rainfall,humidity and sunshine duration in the model

Fig. 8Sensitivity analysis when altering the degrees of freedom (df = 3–5) for air pollutants of PM_2.5 and NO₂ in the model