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Impact of lockdown associated with COVID19 on air quality and emissions from transportation sector: case study in selected Indian metropolitan cities

Author

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  • Tejaswini Eregowda

    (National Green Tribunal Monitoring Cell, Karnataka State Pollution Control Board
    Government of Karnataka)

  • Pritha Chatterjee

    (Indian Institute of Technology Hyderabad)

  • Digvijay S. Pawar

    (Indian Institute of Technology Hyderabad)

Abstract

This study examines the impact of air quality in selected Indian metropolitan cities during the COVID19 pandemic lockdown period. Concentrations of air quality parameters such as PM2.5, NO2, SO2, and CO during the transition to lockdown and the actual lockdown period were compared with business as usual periods (a period prior to COVID19 lockdown and a corresponding period in 2019) to estimate the reduction in emission in four major IT hubs in India namely Bengaluru, Chennai, Hyderabad and Pune. A 40–45% reduction in PM2.5 concentration was observed, in these cities, during the lockdown compared to the corresponding period in 2019 and a 20–45% reduction was observed compared to business as usual period in 2020. A vehicle kilometer traveled (VKT)-related questionnaire survey-based study in Hyderabad revealed that, with 48% of population utilizing work-from-home during the transition to lockdown period, vehicular PM2.5 emission in Hyderabad reduced by 54% compared to usual traffic emissions prior to COVID19 lockdown. Furthermore, it was estimated that emission of up to 3243, 777, 113, and 54 tons/year of CO, NOx, PM2.5, and SO2, respectively, could be avoided in Hyderabad alone, if work-from-home is implemented on a 2 days/week basis. The experience from this study can be used to develop policies favoring reduced use of private vehicles or implementation of work-from-home to combat air pollution and reduce carbon emissions.

Suggested Citation

  • Tejaswini Eregowda & Pritha Chatterjee & Digvijay S. Pawar, 2021. "Impact of lockdown associated with COVID19 on air quality and emissions from transportation sector: case study in selected Indian metropolitan cities," Environment Systems and Decisions, Springer, vol. 41(3), pages 401-412, September.
    • Handle: RePEc:spr:envsyd:v:41:y:2021:i:3:d:10.1007_s10669-021-09804-4
    DOI: 10.1007/s10669-021-09804-4
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    References listed on IDEAS

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    1. Baidya, S. & Borken-Kleefeld, J., 2009. "Atmospheric emissions from road transportation in India," Energy Policy, Elsevier, vol. 37(10), pages 3812-3822, October.
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    1. Dwivedi, Yogesh K. & Hughes, Laurie & Kar, Arpan Kumar & Baabdullah, Abdullah M. & Grover, Purva & Abbas, Roba & Andreini, Daniela & Abumoghli, Iyad & Barlette, Yves & Bunker, Deborah & Chandra Kruse,, 2022. "Climate change and COP26: Are digital technologies and information management part of the problem or the solution? An editorial reflection and call to action," International Journal of Information Management, Elsevier, vol. 63(C).
    2. Bijoy Saha & Mahmudur Rahman Fatmi, 2021. "Simulating the Impacts of Hybrid Campus and Autonomous Electric Vehicles as GHG Mitigation Strategies: A Case Study for a Mid-Size Canadian Post-Secondary School," Sustainability, MDPI, vol. 13(22), pages 1-14, November.
    3. Koppiahraj Karuppiah & Bathrinath Sankaranarayanan & Syed Mithun Ali, 2022. "Modeling Impacts of COVID-19 in Supply Chain Activities: A Grey-DEMATEL Approach," Sustainability, MDPI, vol. 14(21), pages 1-21, October.
    4. Zachary A. Collier & James H. Lambert & Igor Linkov, 2021. "Integrating data from physical and social science to address emerging societal challenges," Environment Systems and Decisions, Springer, vol. 41(3), pages 331-333, September.
    5. Abdullah Addas & Ahmad Maghrabi, 2021. "The Impact of COVID-19 Lockdowns on Air Quality—A Global Review," Sustainability, MDPI, vol. 13(18), pages 1-31, September.
    6. Sarthak Sahu & Saket Shanker & Aditya Kamat & Akhilesh Barve, 2023. "India’s public transportation system: the repercussions of COVID-19," Public Transport, Springer, vol. 15(2), pages 435-478, June.
    7. Magnus Moglia & John Hopkins & Anne Bardoel, 2021. "Telework, Hybrid Work and the United Nation’s Sustainable Development Goals: Towards Policy Coherence," Sustainability, MDPI, vol. 13(16), pages 1-28, August.

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