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Pollution levels had been higher in Delhi this Diwali as compared to the last yr and this could possibly be attributed to excessive share of stubble burning and unfavorable meteorology through the pageant season, in accordance to the Central Pollution Control Board.
In a particular report, the apex air pollution watchdog mentioned virtually all pollution reported higher values on Diwali day this yr as compared to 2019.
“Diwali was in mid-November this year which has unfavourable meteorological conditions for dispersal of pollutants as compared to 2019 when it was in last week of October,” it mentioned.
The contribution of stubble burning in Delhi’s PM2.5 focus was 32 per cent on Diwali day this yr as compared to 19 per cent last yr.
“Therefore, it may be inferred that elevated PM2.5 concentrations in 2020 in comparison to previous year had enhanced contribution of stubble burning and the same is also reflected in elevated levels of CO and NO2,” it mentioned. P
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