The pollution control body also said nearly all air quality monitoring stations in the national capital recorded an increase in pollution levels on Diwali day compared to the previous year
Pic/AFP
The concentration of fine, lung-damaging particulate matters PM2.5 and PM10 increased by 45 percent and 33 percent respectively on Diwali compared to last year, according to an analysis by the Delhi Pollution Control Committee (DPCC), reported news agency PTI.
The pollution control body also said nearly all air quality monitoring stations in the national capital recorded an increase in pollution levels on Diwali day compared to the previous year, reported PTI.
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Delhi's 24-hour average PM10 concentration on Diwali (Sunday) stood at 430 micrograms per cubic meter, an increase from 322 micrograms per cubic meter last year, and 748 micrograms per cubic meter in 2021, the DPCC report showed, reported PTI.
The city recorded a 24-hour average PM2.5 concentration of 314 micrograms per cubic meter, compared to 217 micrograms per cubic meter last year and 607 micrograms per cubic meter in 2021, reported PTI.
The DPCC data revealed that, except for Alipur, Patparganj, Najafgarh, Karni Singh Shooting Range, and Okhla, all stations (total 24) observed an increase in the concentration of PM10 in 2023 compared to 2022, reported PTI.
It showed that all stations, with the exception of those at Sri Aurobindo Marg, Vivek Vihar, and Karni Singh Shooting Range, witnessed an increase in the concentration of PM2.5, reported PTI.
The DPCC said that all gaseous pollutants, including ammonia, sulphur dioxide, nitrogen dioxide, carbon monoxide, ozone, and benzene, were found to be within the prescribed standards, reported PTI.
Delhi recorded a jump in pollution levels and a smoky haze returned on Monday morning after residents flouted the ban on firecrackers on Diwali night, reported PTI.
Meanwhile, Delhi Environment Minister Gopal Rai on Monday alleged that people associated with the BJP instigated residents to burn firecrackers on Diwali, leading to an overnight increase of over 100 points in the national capital's air quality index.
At a press conference, he said the firecrackers burnt in Delhi were sourced from Uttar Pradesh and Haryana, and that certain individuals, including police personnel from these states, permitted the transportation of those firecrackers to the city.
"Delhi would not have been suffering had these states implemented the ban on firecrackers and their police done their duty properly," Rai said.
He also said that stringent measures, including a ban on construction work and the entry of polluting trucks into Delhi, under Stage IV of the Centre's air pollution control plan, will continue to be in force in Delhi till further orders.
Rai added that the Delhi government has decided to extend its campaign to control dust pollution till November 30 and launch a month-long drive against open burning of waste from November 14.
The minister said these steps have been taken based on suggestions from experts who have predicted worsening of meteorological conditions which could allow accumulation of pollutants over the next three to four days.
Rai also said a call on the implementation of the odd-even car rationing scheme will be taken only after the air quality reaches the "severe plus" category (AQI above 450).
(With inputs from PTI)
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