People of world's most polluted city Delhi on track to lose 11.9 years of life to pollution: Study
New Delhi, Aug 29: Delhi has emerged as the world's most polluted city in a new study which has also found that its residents are on track to lose 11.9 years of life if the current levels of pollution continue to be higher than the limit set by WHO.
The Air Quality Life Index (AQLI) released by the Energy Policy Institute at the University of Chicago also showed that all of India's 1.3 billion people live in areas where the annual average particulate pollution level exceeds the 5 g/m3 (micrograms per cubic meter) limit set by World Health Organization (WHO).
It also found that 67.4 per cent of the country's population lives in areas that exceed the country's own national air quality standard of 40 g/m3.
The study said fine particulate air pollution (PM2.5) shortens an average Indian's life expectancy by 5.3 years, relative to what it would be if the 5 g/m3 pollution limit set by (WHO) was met.
The AQLI said Delhi is the most polluted city in the world and if the current pollution levels persist, its 18 million residents are on track to lose 11.9 years of life expectancy on average relative to the WHO limit and 8.5 years relative to the national guideline.
"Even in the least polluted district in the region - Pathankot in Punjab - particulate pollution is more than seven times the WHO limit, taking 3.1 years off life expectancy if current levels persist," it said.
Particulate pollution has increased over time. From 1998 to 2021, the average annual particulate pollution increased by 67.7 per cent in India, further reducing average life expectancy by 2.3 years, the report said.
From 2013 to 2021, India was responsible for 59.1 per cent of the world's increase in pollution.
In the most polluted region of the country the northern plains 521.2 million residents or 38.9 per cent of India's population are on track to lose eight years of life expectancy on average relative to the WHO guideline and 4.5 years relative to the national standard if current pollution levels persist.
Though particulate pollution in the northern plains is exacerbated by geological and meteorological factors, the AQLI's dust and sea salt-removed PM 2.5 data imply that human activity plays a key role in generating severe particulate pollution.
That is likely because the region's population density is nearly three times the rest of the country, meaning more pollution from vehicular, residential and agricultural sources, the study said.
"Three-quarters of air pollution's impact on global life expectancy occurs in just six countries -- Bangladesh, India, Pakistan, China, Nigeria and Indonesia -- where people lose one to more than six years of their lives because of the air they breathe," said Michael Greenstone, the Milton Friedman Distinguished Service Professor in Economics and creator of AQLI.
In 2019, India declared a "war against pollution" and launched its National Clean Air Programme (NCAP), signalling its desire to reduce particulate pollution.
NCAP aimed at reducing by 2024 particulate pollution by 20 to 30 per cent nationally relative to 2017 levels and focused on 102 cities that were not meeting India's national annual average PM2.5 standard. These cities have been termed "non-attainment cities".
In 2022, the government announced its revamped particulate pollution reduction target for NCAP, setting no national goal but increasing its ambition at the city level. The new target is a 40 per cent reduction relative to 2017 levels for 131 non-attainment cities by 2025-26.
The report said that if the revised target is met, these cities' overall annual average PM2.5 exposure would be 21.9 g/m3 lower than 2017 levels.
"This results in a life expectancy gain of 2.1 years for an average citizen living in these specific 131 cities and increases the life expectancy of an average Indian in the country by 7.9 months. Thirty-eight of these 131 targeted cities (almost 30 per cent) belong to the northern plains of India," the report said.
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Man accused of rape-murder of 5-year-old lynched to death in Bengal; Girl’s body found in pond
Alipurduar: A 40-year-old man accused of raping and murdering a five-year-old girl was allegedly tied to a tree and beaten to death by agitated locals in Alipurduar district located in West Bengal on Friday evening. Later, another man surrendered before the police claiming he was also involved in the crime, and was subsequently arrested.
The girl went missing on Friday evening. When her family began searching for the girl, they learned that she had last been seen with Mona Roy, as reported by the Indian Express.
The police said that the girl’s body was found floating in a local pond. They added that the locals caught Roy and took him to his residence where they allegedly noticed blood on the bed. Enraged by this, they tied Roy to a tree and started assaulting him.
Roy was beaten to death before the local police could reach the spot.
When the police arrived at the scene, angry locals prevented them from moving the two bodies. Eventually, a large team of police personnel was sent to the location. After two hours, they were able to remove the bodies from the area.
The bodies have been sent for a post-mortem examination.
Meanwhile, a man named Bhakta Roy approached the police, claiming that he was involved in the crime and feared for his safety from the angry mob. He was subsequently arrested.
Y. Raghuvanshi, Superintendent of Police, Alipurduar, asserted it is a heinous crime, adding that they have started a detailed investigation in connection to the incident.
