Pollution Levels Higher In Delhi This Diwali As Compared To 2019: Central Pollution Control Board

Pollution Levels Higher In Delhi This Diwali As Compared To 2019: Central Pollution Control Board

In 2020, on Diwali day, a decrease in PM 10 and PM 2.5 was observed as compared to pre-Diwali day by about 16 per cent and 18 per cent, stated Central Pollution Control Board (CPCB)
Air Pollution, Delhi, News
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Pollution Levels Higher In Delhi This Diwali As Compared To 2019: Central Pollution Control BoardAccording to Central Pollution Control Board (CPCB), pollution was higher this Diwali owing to bursting of firecrackers and stubble burning
Highlights
  • Hourly average concentration of PM 2.5 increased from 11 pm on Diwali: CPCB
  • Delhi logged an average of PM10 at 645 ug/m3, PM2.5 at 483 ug/m3 on Diwali
  • Low wind speed on Diwali day created unfavorable dispersion condition: CPCB

New Delhi: Pollution levels were higher in Delhi this Diwali as compared to last year due to bursting of firecrackers and stubble burning, according to the Central Pollution Control Board’s (CPCB) report filed before the National Green Tribunal (NGT). In the report, the CPCB said Pitampura recorded an increase in PM (particulate matter) and SO2 indicating the impact of firecracker bursting on Diwali. In 2020, on Diwali day, a decrease in PM 10 and PM 2.5 was observed as compared to pre-Diwali day by about 16 per cent and 18 per cent. This reduction is perhaps due to about 6 per cent reduction in the contribution of stubble burning this year, it added.

Also Read: Air Pollution And COVID-19: Is It About Time To Shift From Cloth Mask To Pollution Safe N95 Or N99 Mask?

The board also apprised that as observed from real-time monitoring network (37 CAAQM stations), the hourly average concentration of PM 2.5 started increasing since 11 pm on November 14, it reached a peak in most of the stations at around 1 am and continued at higher levels till 5 am.

“The city-level average calculated for PM 10 and PM 2.5 concentrations on Diwali, were 645 ug/m3 and 483 ug/m3 respectively.” According to the report, in 2019 the PM 10 was increased by 70 per cent and PM 2.5 was surged by 149 per cent on Diwali day in comparison to pre-Diwali day. It also cited comparative meteorology on pre-Diwali day and Diwali day observed during the last five years, which reveals that average mixing height on pre-Diwali day as well as Diwali day was lowest this year (2020), and said that this was due to the falling of Diwali in mid-November when the winter starts impacting decline in temperature and inversion starts.

Mean wind speed at Parivesh Bhawan was 1.3 m/sec (3.4 Km/hour) on Diwali day which is lowest in the last five years creating unfavorable dispersion condition, the report said.

The CPCB carried out ambient air quality and noise level monitoring on the selected pre-Diwali day (November 9) and on Diwali in Delhi like previous years. Ambient air quality was monitored at 40 locations — 3 manual stations and 37 real-time stations.The ambient noise level was monitored at 16 locations — 6 manual and 10 real-time noise monitoring stations.

Also Read: Ahead Of Diwali, States Ban Firecrackers Due To Air Pollution, Rising COVID-19 Cases

(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)

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World

17,59,54,708Cases
5,81,66,715Active
11,39,84,189Recovered
38,03,804Deaths
Coronavirus has spread to 193 countries. The total confirmed cases worldwide are 17,59,54,708 and 38,03,804 have died; 5,81,66,715 are active cases and 11,39,84,189 have recovered as on June 14, 2021 at 3:36 am.

India

2,95,10,410 70,421Cases
9,73,15853,001Active
2,81,62,947 1,19,501Recovered
3,74,305 3,921Deaths
In India, there are 2,95,10,410 confirmed cases including 3,74,305 deaths. The number of active cases is 9,73,158 and 2,81,62,947 have recovered as on June 14, 2021 at 2:30 am.

State Details

State Cases Active Recovered Deaths
Maharashtra

59,08,992 10,442

1,58,617 167

56,39,271 7,504

1,11,104 2,771

Karnataka

27,65,134 7,810

1,80,856 10,961

25,51,365 18,646

32,913 125

Kerala

27,28,239 11,584

1,23,433 6,478

25,93,625 17,856

11,181 206

Tamil Nadu

23,53,721 14,016

1,49,927 12,146

21,74,247 25,895

29,547 267

Andhra Pradesh

18,09,844 6,770

85,637 5,780

17,12,267 12,492

11,940 58

Uttar Pradesh

17,02,624 452

8,986 820

16,71,852 1,221

21,786 51

West Bengal

14,61,257 3,984

17,651 1,403

14,26,710 2,497

16,896 84

Delhi

14,31,139 255

3,466 144

14,02,850 376

24,823 23

Chhattisgarh

9,86,963 459

13,677 1,405

9,59,969 1,858

13,317 6

Rajasthan

9,49,684 308

7,441 959

9,33,421 1,260

8,822 7

Odisha

8,51,782 4,469

51,681 3,309

7,96,799 7,733

3,302 45

Gujarat

8,20,321 455

10,249 614

8,00,075 1,063

9,997 6

Madhya Pradesh

7,88,183 274

4,251 524

7,75,380 780

8,552 18

Haryana

7,65,861 339

4,661 525

7,52,208 821

8,992 43

Bihar

7,17,215 487

5,312 389

7,02,411 868

9,492 8

Telangana

6,03,369 1,280

21,137 996

5,78,748 2,261

3,484 15

Punjab

5,87,903 956

12,981 1,083

5,59,360 1,980

15,562 59

Assam

4,59,497 2,167

41,373 3,272

4,14,173 5,403

3,951 36

Jharkhand

3,43,458 154

3,395 571

3,34,979 723

5,084 2

Uttarakhand

3,36,879 263

4,633 388

3,25,311 644

6,935 7

Jammu And Kashmir

3,07,412 774

15,081 1,203

2,88,145 1,965

4,186 12

Himachal Pradesh

1,98,550 237

4,777 625

1,90,382 855

3,391 7

Goa

1,62,468 420

4,882 175

1,54,658 581

2,928 14

Puducherry

1,12,528 402

5,331 414

1,05,513 809

1,684 7

Chandigarh

61,110 54

520 20

59,798 71

792 3

Manipur

59,852 530

8,499 211

50,379 726

974 15

Tripura

59,321 235

5,170 382

53,531 610

620 7

Meghalaya

41,906 305

4,623 248

36,550 547

733 6

Arunachal Pradesh

31,282 134

2,885 302

28,252 434

145 2

Nagaland

23,644 82

3,502 131

19,689 208

453 5

Ladakh

19,561 17

658 88

18,706 105

197

Sikkim

18,414 157

3,553 230

14,580 387

281

Mizoram

15,364 97

3,549 111

11,748 203

67 5

Dadra And Nagar Haveli

10,463 1

78 17

10,381 18

4

Lakshadweep

9,209 34

576 39

8,589 72

44 1

Andaman And Nicobar Islands

7,261 18

110 11

7,025 29

126

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