Date: October 28, 2019
Centre for Science and Environment has analysed realtime data of PM2.5 concentration from the Central Pollution Control Board to assess the trend during Diwali; weekly trend before Diwali; and the overall trend since September 15, 2019. This has also been compared with the same two months during 2018.
However Diwali dates are different -- 2018 Diwali was on November 7, later in the season and was colder. 2019 Diwali was on October 27. This analysis has also taken into account the trend in wind speed. Highlights are as follow:
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