The first dense haze of the season has covered Delhi and the National Capital Region and it is likely to last for two more days. The Center for Science and Environment (CSE) gave this information on Wednesday. Although the seasonal haze is thick in Delhi, the average daily contribution of stubble burning from mid-October to November 8 has been the lowest in the last four years.
Anumita Roy Chowdhury, executive director of research at CSE, said, “Obviously the combined effect of unfavorable weather conditions (cold and calm winds), stubble burning and crackers have turned the weather hazy.”
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CSE said that comparing the first occurrence of haze of the last four years, the present haze matches the first haze period of 2018 and 2020 which lasted for six days. If the conditions do not improve, it could last longer than the haze of 2019 which lasted for eight days.
The contribution of smoke to Delhi’s average daily PM2.5 during October to November 8 has been the lowest in the last four years, CSE said. So far it has been recorded on an average of 12 per cent per day as compared to 17 per cent last year, 14 per cent in 2019 and 16 per cent in 2018.
