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Example of the air quality changes related to COVID-19 mitigation strategies in the Indian subcontinent (average tropospheric NO2 column in March 15–April 15, 2017–2019, and 2020). *Source: NASA. 2020. Reductions in nitrogen dioxide associated with decreased fossil fuel use resulting from COVID-19 mitigation. Sci Vis Stud. Available: https://svs.gsfc.nasa.gov/4810 (accessed 12 May 2020)
