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New Delhi Pollution: Are Diwali Fireworks to Blame?

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Air pollution levels soar in Delhi capital city of india During the current Diwali festival Much attention has been paid to the impact of fireworks, and this year, India's Supreme Court recently authorized the use of green or eco-friendly crackers.But just how much are fireworks responsible for poor air quality?Studies have shown that levels of some harmful pollutants increase dramatically during Diwali. but there are other factors that may result in poor air quality

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How is the air pollution in Delhi?

Air pollution has become a serious problem in cities. of India in the past few years.About 57,000 people will die prematurely in Delhi by 2020 as a result of exposure to air pollution, according to Greenpeace. despite the lockdown from covid20 of the 30 most polluted cities in the world are in India according to the 2020 World Air Quality Report, with the highest annual concentrations of PM2.5, one of the most harmful to human health particulates.This level is higher than the WHO guidelines recommended for PM2.5 concentrations.

How does Diwali affect air quality?

Several states have banned the sale and use of fireworks during Diwali. But enforcement of the ban is weak in many states.A 2018 study that attempted to answer this question said there was a "minor but statistically significant" effect from Diwali fireworks.The study focused on five locations across Delhi and looked at data collected between 2013 and 2016.Diwali is defined according to the Hindu lunar calendar and usually occurs in late October or early November.In two of the four years, the burning of crops does not directly coincide with Diwali celebrations.

And they also pointed out that industrial activity in one place was stopped due to holidays. and take the weather into account in the calculationsThey found that PM2.5 concentrations increased by nearly 40% on the second day of the festival.This will revert to the existing background level shortly after the end of Diwali.And when viewed hourly, it was up 100% for five hours after 6:00 p.m. local time. which is during the dusk when most of the celebrations are held.Reported by Center for Science and Environment, a Delhi-based non-profit. It shows that PM2.5 concentrations have increased during Diwali festivals in 2018, 2019 and 2020 in the capital.

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