Life expectancy of Delhiites can increase by three years, if air quality improves by 20-30 per cent: Study


Successful implementation of the National Clean Air Programme, can increase the life expectancy of Delhi’s residents by up to three years, according to a report

Life expectancy of Delhiites will be up by nearly three years, if the target of the National Clean Air Programme to improve air quality by 20 to 30 per cent in the next five years is fulfilled, according to a new study. Union environment minister Harsh Vardhan, on January 10, 2019, launched the much-awaited National Clean Air Programme (NCAP) to improve air quality by 20 to 30 per cent in the next five years, with 2017 as the base year.

The NCAP has proposed multiple strategies to combat air pollution in the 102 most-polluting cities in the country. The 102 cities singled out by the NCAP have higher pollution levels than the national average. So, they stand to gain more, if they follow through with their pollution reduction action plans, according to a study by Air Quality Life Index report on the ‘Potential Benefits of India’s War Against Pollution’.

See also: Delhi government has to arrange finance for much-needed RRTS: EPCA

“If all of the 102 cities reduced particulate pollution by 25 per cent, their aggregate annual average PM2.5 exposure would be 14 µg per cubic metre, lower than 2016 levels. This would translate to an average gain in life expectancy of 1.4 years,” the report said.

Among the 102 cities, a 25 per cent pollution reduction would translate to a two to three year gain in life expectancy for the residents of 13 cities in Uttar Pradesh, two in Bihar and Delhi, the report said. “In Delhi, reducing the annual average PM2.5 by 25 per cent, or 29 µg per cubic metre, would translate to a gain in life expectancy of roughly 2.8 years for the average resident,” the report added.

“The payoffs from the successful implementation of the NCAP could be substantial, with people in the most polluted areas, like Delhi, living almost three years longer,” said Michael Greenstone, a professor, who created the index along with his colleagues at the Energy Policy Institute, at the University of Chicago (EPIC). “For this reason, the NCAP has the potential to become a historic and watershed moment in Indian environmental policy,” he added.

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