Air pollution, a silent and pervasive threat, profoundly impacts our health and life expectancy. Explore the data behind the life expectancy gains from breathing cleaner air and the startling truth about its effects.
Key Takeaways:
- Mapping Life Expectancy Gains: Satellite-derived data from the 2023 Air Quality Life Index (AQLI) reveals how exposure to particulate matter in the air affects the average life expectancy of residents in various cities. If global air quality had met WHO guidelines in 2021, life expectancy would have increased by over two years worldwide.
- South Asia’s Air Quality Challenge: The top 78 cities with the most to gain from better air quality are concentrated in India, followed by other South Asian nations like Bangladesh, Nepal, and Pakistan. Rapid industrialization, economic growth, and unique practices like solid fuel combustion contribute to the region’s air pollution crisis.
- Air Pollution’s Devastating Impact: Particulate pollution consistently ranks as the greatest external risk to human health, reducing average life expectancy more than other factors like tobacco use, unsafe water, sanitation, and nutritional deficiencies. Its impact on life expectancy is 3.8 times that of exposure to unsafe water and 23 times that of nutritional deficiencies.
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