Public transit usage and air quality index during the COVID-19 lockdown.

J Environ Manage · 2021 · PMC7883725 · PMID 33609930

Europe PMC DOI

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a decreasing trendno p-value reported

A noticeable decrease in AQI and PM2.5 was discovered around Mumbai, Delhi, Chennai, Kolkata, and Hyderabad as well as a decreasing trend was discovered in NO 2 quantity throughout the lockdown time in 2020 compared with the same time in 2019.

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