The effect of community mobility changes to air quality in Java-Bali during the early phase of COVID-19 pandemic

Heni Subekti, Joko Christanto
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Abstract

Previous studies found a reduction in pollution levels when travel was banned due to the COVID-19 pandemic. This study aims to identify the changes in community mobility and air quality, as well as to analyze the effect of community mobility changes on air quality during the early phase of the COVID-19 pandemic. This study used daily secondary data from Google Mobility Report and station data archive of Air Quality Monitoring System (AQMS) which records Air Pollutant Index Standard (ISPU). This study focused on the early phase of the pandemic (15th Feb – 15th June 2020) in six provinces in Java and Bali. This study used panel regression and GIS. The results show that there is 35-90% reduction in mobility and also some decreases in air quality pollutants. Furthermore, it was shown that there is a positive relationship between ISPU and mobility. Community mobility explains ISPU in Bali, the Special Region of Yogyakarta, the Special Capital Region of Jakarta, West Java, Central Java, and East Java by 24%, 53%, 13%, 3.7%, 20%, and 39% respectively. Meanwhile, the combined influence of the six provinces is 18.8%. The variable that has a significant effect is the community mobility changes on transit stations. Every 1% increase in the transit station's mobility is capable to increase ISPU by 0.4.
COVID-19大流行早期爪哇-巴厘岛社区流动性变化对空气质量的影响
先前的研究发现,当新冠肺炎大流行导致旅行被禁止时,污染水平有所下降。本研究旨在确定新冠肺炎大流行早期社区流动性和空气质量的变化,并分析社区流动性变化对空气质量的影响。本研究使用了谷歌移动报告中的每日二次数据和空气质量监测系统(AQMS)的站点数据档案,该系统记录了空气污染物指数标准(ISPU)。这项研究的重点是爪哇岛和巴厘岛六个省的疫情早期(2020年2月15日至6月15日)。本研究使用了面板回归和GIS。结果表明,流动性降低了35-90%,空气质量污染物也有所下降。此外,研究表明,ISPU与流动性之间存在着积极的关系。社区流动性解释了巴厘岛、日惹特别地区、雅加达特别首都地区、西爪哇、中爪哇和东爪哇的ISPU分别增长了24%、53%、13%、3.7%、20%和39%。同时,六个省份的综合影响为18.8%。影响显著的变量是社区流动对中转站的影响。中转站的机动性每增加1%,ISPU就能够增加0.4。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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