COVID-19 Induced Lockdown Consequences on Air Quality and Economy - A Case Study of Bangladesh

Sajal Roy^1, , Nasrin Chowdhury¹ and Mohammad Mamun Morshed Bhuyan²

¹Department of Soil Science, University of Chittagong, Chittagong-4331, Bangladesh

²Department of Economics, University of Chittagong, Chittagong-4331, Bangladesh

Cite this paper:
Sajal Roy, Nasrin Chowdhury and Mohammad Mamun Morshed Bhuyan. COVID-19 Induced Lockdown Consequences on Air Quality and Economy - A Case Study of Bangladesh. Journal of Environment Pollution and Human Health. 2020; 8(2):55-68. doi: 10.12691/jephh-8-2-3

Abstract

The present study involves the investigation of air quality of Dhaka city, Bangladesh, before and during the periods of lockdown imposed to reduce the spread of a novel coronavirus (COVID-19) and comparison of data in corresponding periods of two previous years. Further, the consequences of COVID-19 in terms of economic disruptions were also studied. The accelerated and vast diffusion of COVID-19 in Dhaka has a high association with air pollution compared to the other cities of Bangladesh. Air pollution can be considered as an important determinant in the COVID-19 crisis. It was found that the mean air quality index (AQI) in Dhaka before lockdown in March in 2020 was found to be 4.82% and 5.30% lower compared to the corresponding period in 2018 and 2019, respectively. On the other hand, the average AQI during the lockdown in 2020 was found to be 9.57% and 16.74% lower respectively compared to the same period in 2018 and 2019. A significant negative correlation was found between AQI and rainfall (p<0.01) during the period of lockdown. Indeed, Dhaka city had better air quality during the lockdown but it was prognosticated that the remittance would fall by about 22% and GDP would plunge to a range between 2% and 3% in 2020 due to COVID-19.

Keywords:
air pollution Bangladesh COVID-19 economic consequences health effects lockdown

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