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Air Quality Life Index (AQLI) 2025
September 2 , 2025
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- The report, based on 2023 data, was released by the Energy Policy Institute at the University of Chicago (EPIC).
- Delhi’s annual PM2.5 concentration in 2023 was 88.4, while India’s national average was 41.
- Life expectancy in Delhi is reduced by 8.2 years due to hazardous PM2.5 levels.
- Nationally, high PM2.5 levels reduce average life expectancy by 3.5 years.
- Bihar, Haryana, and Uttar Pradesh show life expectancy losses of 5.4, 5.3, and 5 years, respectively.
- 544.4 million people in northern India could gain 5 years of life by meeting WHO standards.
- 46% of India’s population lives in regions where PM2.5 levels exceed national standards.
- Reducing PM2.5 levels to national standards could add 1.5 years to life expectancy in affected regions.
- Delhi must cut its pollution by over 50% to meet India’s national standard and add 4.5 years to life expectancy.
- 50% of Delhi’s pollution comes from local sources, which could be controlled to meet national standards.
- A 26% reduction in pollution across the NCR would add 1.4 years to life expectancy.
- A 44% reduction in NCR’s pollution could add 4.8 years to life expectancy.
- Last year’s report showed a 7.8-year life expectancy reduction in Delhi based on 2022 pollution levels.
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