Tuesday October 15, 2019
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Air Quality in Delhi to Stay Poor due to Stubble Burning in Punjab and Haryana

In its short range forecast, Safar said that the overall air quality of Delhi has entered the poor category for the first time since the monsoon

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Air, Quality, Delhi
It cited the low wind speed and westerly wind direction as being unfavourable for air quality. Pixabay

Air quality in the capital entered the poor category on Friday with an overall AQI score of 208 and increased incidents of stubble burning in Punjab and Haryana in the last 24 hours are likely to further deteriorate the air quality to the very poor category in the next two days.

As per the forecast by Safar, air quality in Delhi was poor with a count of 93 in the PM 2.5 and moderate in the PM 10 calculation. It cited the low wind speed and westerly wind direction as being unfavourable for air quality.

In its short range forecast, Safar said that the overall air quality of Delhi has entered the poor category for the first time since the monsoon. The biomass fire counts in Punjab and Haryana have significantly increased during the past 24 hours, and such magnitude will now start to influence Delhi’s air quality, it said.

Experts say that increase in fire incidents in neighbouring states and winds will carry the smoke to the capital in the coming days.

Air, Quality, Delhi
As per the forecast by Safar, air quality in Delhi was poor with a count of 93 in the PM 2.5 and moderate in the PM 10 calculation. Pixabay

“The fire counts in Punjab and Haryana have increased significantly over the last two days. The wind direction in Delhi is westerly which is unfavourable thereby carrying the smoke from the stubble burning towards Delhi. Delhi will probably encounter poor air quality in the coming days due to the prevailing wind direction and the stubble burning,” said Kurinji L.S., Research Analyst, Council on Energy, Environment and Water (CEEW).

“Though we have an advance warning system in place, we lack preparedness for controlling activities within Delhi that cause pollution,” he added.

In its forecast for coming days, Safar said that air quality is predicted to deteriorate for Saturday but stay in the poor category. There is, however, more bad news in store for the coming days.

“Further air quality is predicted to deteriorate to the lower end of very poor category for the next two days thereafter”, it said. The late monsoon withdrawal is not good for air quality in North India as the time progresses towards winter, Safar said in the forecast.

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In its bulletin, the Central Pollution Control Board (CPCB) also corroborated that the air quality will be in the moderate to poor category on Friday. The air quality is likely to deteriorate marginally on Saturday and likely to remain in low end of poor category while on Sunday, it will be poor.

Environment Minister Prakash Javadekar had announced last week that 46 teams of CPCB are taking stock of pollution levels in Delhi-NCR and will take appropriate action, wherever needed.

Javadekar had in detail listed several steps taken by the Centre to tackle pollution in Delhi-NCR which had resulted in good air days increasing in the capital.

The worsening air quality in this season is likely to become a political slugfest with Delhi Chief Minister Arvind Kejriwal having made announcements taking credit for the improvement in Delhi’s air before the winter season sets in. (IANS)

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Delhi’s Air Quality Still Remains ‘Very Poor’

The pollution causing score of PM 2.5 was at 114 in the poor category while PM 10 was at 208 in the moderate category

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Air, Quality, Delhi
It cited the low wind speed and westerly wind direction as being unfavourable for air quality. Pixabay

For those living in and around Delhi, the coming days spell bad news as air quality entered the higher end of the poor category on Monday, with a worsening AQI score of 280, and is slated to enter the “very poor” threshold on Tuesday.

Yes, you heard it right, the blue skies that have been a complete treat for the Delhi-NCR over the last two months, off and on, are set to get grey.

The forecast of the “very poor” air quality is predicted mainly due to changing local weather conditions.

According to pollution watch by Safar (System of Air Quality and Weather Forecasting and Research) India, developed by Ministry of Earth Science and Indian Institute of Tropical Meteorology, Pune the overall air quality of Delhi is in the higher end of the poor category.

“Further deterioration of the AQI is expected by October 15 to very poor category,” it said.

India, air pollution, WHO, diwali, Pollution, Delhi, egypt, air quality
A man walks in front of the India Gate shrouded in smog in New Delhi, India. VOA

The stubble burning activity in Haryana, Panjab, and nearby border regions are moderate but increasing. Safar said it is not necessarily affecting Delhi air if distance weather conditions establishing transport pathways are not favourable.

In the present scenario, although the magnitude of biomass-related transport is not very high but upper winds are flowing from North-North West towards Delhi with good speed and hence favourable enough to influence Delhi AQI with a share of more than 8 per cent by tomorrow (Tuesday) as per SAFAR forecasting model.

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After the monsoon withdrawal, the surface wind speed in Delhi continues to be slow and variable with predominant direction from the Northwest.

The pollution causing score of PM 2.5 was at 114 in the poor category while PM 10 was at 208 in the moderate category. (IANS)