Air Pollution Update: In November, toxic air broke the record of five years

Pankaj Prasad
Pankaj Prasad 29/11/2021 09:49 IST
air pollution in delhi and NCR, pollution in delhi, Environment Pollution Control Authority, air quality index, delhi health, Delhi news

Data from the Central Pollution Control Board (CPCB) shows that in November 2016, there were 10 days in the severe category, that is, with an air index above 400.

New Delhi.This year, the month of November in Delhi has been the most polluted in the last five years.From 2016 till now, this month has recorded the highest number of days with severe wind.Till Sunday, the people of Delhi did not get good, satisfactory and moderate air quality even on a single day out of 28 days of the month.For the remaining two days also, the air of Delhi is going to remain in the severe or very poor category.

Data from the Central Pollution Control Board (CPCB) shows that in November 2016, there were 10 days in the severe category, that is, with an air index above 400.This number was seven in the year 2017, five in 2018, seven in 2019 and nine in 2020.In November this year, the number of days in the severe category air index reached 12 till Sunday.The air index on 14 days was recorded in the very poor category and two days in the poor category. According to environmental experts, the air has been so bad this year due to the late withdrawal of monsoon and also the late onset of stubble burning incidents in the north Indian states.The cases of stubble burning usually start coming down to zero level by mid-November, whereas till the end of November this year also it has only reduced, not ended.

This season saw a slow start to stubble burning, says Anumita Roy Chowdhury, executive director of the Center for Science and Environment (CSE).Usually by November, the cases of stubble burning start decreasing in Punjab and Haryana.But this time in October these cases were not much, but started increasing in the first week of November.However, the peak of pollution is mainly due to local pollutants in Delhi-NCR.

According to Anumita Roy Chowdhury, β€œCurrently, the share of stubble smoke in Delhi's PM 2.5 is just two to six per cent, which means that the severe pollution levels we are seeing now are the result of local pollution in Delhi.Therefore, strict action is needed against the local pollution sources.At the same time, VK Soni, head of the Meteorological Department's Environment and Research Center, said that along with the stubble fire, the local weather this month was also unfavorable for the spread of pollutants.Delhi saw several days this month when slow and calm winds were recorded.VK Soni said, "While November is usually a bad month for pollution, this time we also saw slow and calm winds over several days." Not there.The pollution level is likely to remain in the upper end of the very poor category.


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Air Index of Delhi in the month of November (1st to 28th)

  • November 1 - 281
  • November 2 - 303
  • November 3 - 314
  • November 4 - 399
  • November 5 - 469
  • November 6 - 437
  • November 7 - 428
  • November 8 - 390
  • Nov 9 - 404
  • November 10 - 372
  • November 11 - 411
  • November 12 - 471
  • November 13 - 437
  • November 14 - 330
  • November 15 - 353
  • November 16 - 403
  • November 17 - 375
  • November 18 - 347
  • November 19 - 381
  • November 20 - 374
  • November 21 - 349
  • November 22 - 311
  • November 23 - 290
  • November 24 - 361
  • November 25 - 400
  • November 26 - 406
  • November 27 - 402
  • November 28 - 405

Category: India

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