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About:
- Publisher: Swiss organization IQAir.
- Scope: Analyzed data from 7,812 locations across 134 countries, regions, and territories.
Key Findings:
- India’s Ranking: India had the third-worst air quality globally, with an average annual PM2.5 concentration of 54.4 micrograms per cubic meter.
- Worse Than India: Only Bangladesh and Pakistan had poorer air quality than India. Bangladesh topped the list with a PM2.5 concentration of 79.9 micrograms per cubic meter, followed by Pakistan at 73.7.
- Delhi’s Pollution: For the fourth consecutive year, Delhi was named the most polluted capital city in the world.
- Most Polluted Metropolitan Area: Bihar’s Begusarai was identified as the world’s most polluted metropolitan area.
- India’s Cities in Global Top 11: Among the world’s top 11 most polluted cities, 10 are in India, with Lahore, Pakistan, being the exception.
- Population Exposure: 96% of India’s population is exposed to PM2.5 levels that exceed the World Health Organization’s (WHO) annual PM2.5 guideline by more than seven times.
Why in News:
- Recently, the World Air Quality Report 2023 was released.
