air quality index data of five different cities in India before lock down and during lockdown
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Explanation:
PM10 and PM2.5 concentrations reduced by about half in compare to the pre-lockdown
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NO2 and CO have also shown considerable decline during lockdown.
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In the transportation and industrial location air quality have improved close to 60%.
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The central and Eastern Delhi have experienced maximum improvement in air quality.
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On the 2nd and 4th day of lockdown, about 40% to 50% improvement in air quality
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