Compared to the air quality index in March and April 2019, the same time period in 2020 saw reduced air pollution levels in many cities in India. However, the union territory of Chandigarh had the lowest average AQI at 39 during March and April 2020.The nationwide lockdown to contain the coronavirus (COVID-19) had suspended industrial production across sectors and curbed vehicular movement throughout the country. This brought down pollution levels significantly across Indian cities. Levels of nitrogen dioxide were also reported to have fallen according to satellite imagery.
The country went into lockdown on March 25, 2020, the largest in the world, restricting 1.3 billion people and was extended until May 17, 2020.
Average air quality index across India in March and April 2020, by city
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India Today. (April 26, 2020). Average air quality index across India in March and April 2020, by city [Graph]. In Statista. Retrieved May 17, 2022, from https://www.statista.com/statistics/1115024/india-aqi-by-city/
India Today. "Average air quality index across India in March and April 2020, by city." Chart. April 26, 2020. Statista. Accessed May 17, 2022. https://www.statista.com/statistics/1115024/india-aqi-by-city/
India Today. (2020). Average air quality index across India in March and April 2020, by city. Statista. Statista Inc.. Accessed: May 17, 2022. https://www.statista.com/statistics/1115024/india-aqi-by-city/
India Today. "Average Air Quality Index across India in March and April 2020, by City." Statista, Statista Inc., 26 Apr 2020, https://www.statista.com/statistics/1115024/india-aqi-by-city/
India Today, Average air quality index across India in March and April 2020, by city Statista, https://www.statista.com/statistics/1115024/india-aqi-by-city/ (last visited May 17, 2022)