Categories: Delhi

Delhi might see the first day ‘very poor’ around Diwali

New Delhi: City air quality, which has floated in the poor category for the past six days, is likely to change very poorly around Diwali, which will be celebrated in 4.
November.
Experts say air quality will begin to deteriorate on Diwali’s day because of burning stumps and winter inversion and, if the fire department is banned, it might have a negative impact.
Data from the Central Pollution Control Agency (CPCB), which has measured the air quality index (AQI) since 2015, shows 2016 has the most polluted diwali with a reading of 431 and 445 the following day.
Delhi 2020 Diwali was the worst since 2016 when the festival was observed in mid-November with unfavorable meteorological conditions.
Aqi, the severe at 414 on Diwali, increased to 435 the following day.
In 2019, AQI 337 – very poor – recorded in Diwali, who lived in the same category at 368 the following day.
The larger spike was seen in 2018 when AQI rose from 281 – poor – in Diwali up to 390 – very poor – the next day mainly due firecrackers.
Likewise, AQI deteriorated from very poor to severe in 2017, although the festival fell in October.
Experts said Delhi did not record very poor air day this winter, but air quality might change get worse during Diwali.
The Safar Founder Project Director Gufran Beig said, “Wind direction tends to change from the north to northern on November 4 on November 4, making it profitable for transportation pollutants issued by Tunggul Burning to Delhi.
High local wind speeds currently allow dispersion of pollutants, But the condition of the quiet wind was expected from that night.
“Polution Diwali blows when exploding firecrackers, a calm and cooler wind combined with propellers, he added.
Anumite Roychowdhury, Executive Director of Research and Advocacy in the Center for Science and the Environment, said, “There is an additional problem this time that stump biodies may be concentrated in a shorter time frame and contribute to the first smog episode during Diwali.” Dipankar Saha, a former head in the CPCB air laboratory, said AQI might reach around 350 in Diwali.
“Other trigger factors are the atmospheric thermal boundary layer, which is generally low because of a short day.”

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