Monday 6th July 2020
Monday, 6th of July 2020
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Ozone levels increased in 22 Indian cities during lockdown – Study

Delhi pollution

New analysis of summer air quality trends during the national lockdown that started on March 25, 2020, reveals a mixed trend. While the PM2.5 and NO2 curves fell and flattened dramatically in cities – a phenomenon that hogged the national attention — tropospheric ozone pollution (henceforth ozone) increased and even breached standards in several cities: a fact that was not noticed as ...

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