New Delhi: For the last few days, the people of Delhi-NCR were facing Ravana in the form of air pollution, but before Diwali, there has been relief in the form of rain. It has been raining intermittently in Delhi-NCR since Thursday night. This rain has reduced air pollution significantly. The haze blanket has been removed from the atmosphere. Along with the cold, the people of Delhi have also started feeling the clean air after many days.
A lot of relief as of Thursday
The rain brought relief and the air quality in the national capital witnessed an improvement of 150 points on Friday. The average air quality index (AQI) in Delhi for the last 24 hours at 4 pm on Friday was 279, which is much better than 437 on Thursday. The air quality in the city had deteriorated from ‘very poor’ to ‘severe’ in the last two weeks since October 28. Now the air quality is expected to improve further due to favorable wind speed. The AQI at a particular time is the average of data from the last 24 hours. India Meteorological Department (IMD) said that Safdarjung Observatory, the primary meteorological center of Delhi, recorded six mm of rain in the last 24 hours at 8:30 am on Friday and 4.2 mm of rain between 8:30 am and 5:30 pm.
Relief in the form of rain in Delhi
According to Meteorological Department data, light rain occurred in most areas of Delhi. Kuldeep Srivastava, senior scientist of the department, said that since Thursday night there has been rainfall in most parts of northwestern India including Punjab, Haryana and Western Uttar Pradesh. The IMD had predicted a slight improvement in air quality before Diwali due to favorable meteorological conditions including light rain. Officials had said that the change in wind direction from north-west to south-east due to the influence of a fresh western disturbance will help reduce pollution caused by smoke from stubble burning in the north-west region of India. will gain help in.
Burning of stubble is the biggest cause of pollution in Delhi.
The Meteorological Department official said that after the passing of the western disturbance, the wind speed will increase to about 15 kilometers per hour on November 11, due to which the pollutants are likely to disperse before Diwali. Smoke from stubble burning in neighboring states, especially Punjab and Haryana, accounted for 38 per cent of pollution in the national capital on Wednesday, according to data from the ‘Decision Support System’ that identifies sources of particulate matter (PM) pollution in Delhi. was responsible. The contribution of stubble burning incidents to the pollution level in the city was 33 percent on Thursday, while it is estimated to be 16 percent on Friday.
Relief in the form of rain in Delhi
In the statistics, transportation has also been cited as the main cause of air pollution, which is contributing 12 to 14 percent to the deteriorating climate of Delhi. Vinay Kumar Sehgal, Principal Scientist of the Indian Agricultural Research Organisation, estimated that due to rain, incidents of stubble burning will reduce in Punjab and Haryana in the next two-three days. The Delhi government is planning artificial rain on November 20 or 21 to tackle dangerous levels of air pollution in the city. A proposal related to this will be submitted to the Supreme Court, which is hearing several petitions related to the problem of increasing air pollution.
Implementation of odd-even scheme postponed for now
The government changed the timing of December holidays in all schools on Wednesday and now the winter holidays will be from November 9 to November 18. Delhi Environment Minister Gopal Rai said that the government has postponed the odd-even scheme for the time being as the city’s air quality has improved a lot due to the rains. He said at the press conference that the government will review the air quality after Diwali and then a decision on the odd-even scheme can be taken if the pollution level increases too much. He had said that the scheme will be implemented in the city after the apex court reviews the effectiveness of the odd-even car scheme and issues orders.
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