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Int J Environ Health Res . Impact of Lockdown Measures During COVID-19 on Air Quality- A Case Study of India

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  • Int J Environ Health Res . Impact of Lockdown Measures During COVID-19 on Air Quality- A Case Study of India


    Int J Environ Health Res


    . 2020 Jun 16;1-8.
    doi: 10.1080/09603123.2020.1778646. Online ahead of print.
    Impact of Lockdown Measures During COVID-19 on Air Quality- A Case Study of India


    Pratima Kumari 1 , Durga Toshniwal 1



    Affiliations

    Abstract

    A novel infectious coronavirus disease (COVID-19) identified in late 2019 has now been labelled as a global pandemic by World Health Organization (WHO). The COVID-19 outbreak has shown some positive impacts on the natural environment. In present work, India is taken as a case study to evaluate the effect of lockdown on air quality of three Indian cities. The variation in concentration of key air pollutants including [Formula: see text], [Formula: see text], [Formula: see text], [Formula: see text] and [Formula: see text] during two phases, pre-lockdown and post-lockdown phases, was analysed. The concentration of [Formula: see text], [Formula: see text], [Formula: see text] and [Formula: see text] reduced by 55%, 49%, 60% and 19%, and 44%, 37%, 78% and 39% for Delhi and Mumbai, respectively, during post-lockdown phase. Overall, the findings in present study may provide confidence to the stakeholders involved in air quality policy development that a significant improvement in air quality can be achieved in future if better pollution control plans are strictly executed.

    Keywords: COVID-19; India; air quality; lockdown.

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