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Key Findings – India
- WHO limit: 5 μg/m³ PM2.5; India’s National limit: 40 μg/m³.
- Reality: Entire India above WHO limit; 46% of population above even national limit.
- North India worst: 544 million exposed in Indo-Gangetic plains.
- Delhi: Could gain +8.2 years life expectancy if WHO limits met.
- National gain: Even cleanest areas could add +9.4 months life expectancy.
South Asia Context:
- Bangladesh: World’s most polluted (12x WHO limit); Gazipur residents could gain +7.1 years.
- Cross-border emissions from India, Nepal, Pakistan, Bangladesh worsen regional air.
Why in News?
- The AQLI 2025 update (by Energy Policy Institute, University of Chicago) shows that all Indians breathe air dirtier than WHO safe limits.
