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Nitrogen dioxide levels fell by more than 70% during COVID-19 lockdown in New Delhi: UN

Updated : July 28, 2020 12:53 PM IST

Levels of nitrogen dioxide fell by more than 70 percent during the lockdown in New Delhi (India), 40 percent in urban areas in China, 20 percent in Belgium and Germany, and 19-40 percent in different areas of the US
Nitrogen dioxide levels fell by more than 70% during COVID-19 lockdown in New Delhi: UN

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