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World Air Quality Report 2024
Saturday, 15 March 2025
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World Air Quality Report 2024 reveals India as the fifth most polluted country, with Delhi ranking as the most polluted capital globally. This matters for UPSC aspirants, particularly for GS Paper 3, as it highlights critical environmental challenges. Last Updated: 2025-03-15
Key Facts About World Air Quality Report 2024
- India is the fifth most polluted country in 2024.
- Delhi is the most polluted capital globally.
- PM2.5 concentration in Delhi: 91.6 µg/m³.
- Byrnihat tops the list with 128.2 µg/m³.
- India saw a 7% decrease in PM2.5 levels.
- Average PM2.5 in India: 50.6 µg/m³.
- 35% of Indian cities exceed WHO's safe limit of 5 µg/m³.
- Major pollution sources: Vehicle emissions, industrial pollution, and biomass burning.
- Crop stubble-burning contributes to 60% of PM2.5 in Northern India.
- Prolonged PM2.5 exposure reduces life expectancy by 5.2 years in India.
India's Environmental Challenges and Global Comparisons
The World Air Quality Report 2024 underscores the macro-level significance of air pollution as a barrier to India's economic and social goals. With India ranking fifth in pollution, the report highlights the urgent need for sustainable development practices. Comparatively, Chad, Bangladesh, and Pakistan rank higher, indicating a global challenge. WHO guidelines emphasize the necessity of reducing pollution to improve public health and life expectancy.
Related Government Schemes/Policies
- National Clean Air Programme (NCAP): Aims to reduce PM2.5 and PM10 levels by 20-30% by 2024.
- Pradhan Mantri Ujjwala Yojana: Provides LPG connections to reduce biomass burning.
- FAME India Scheme: Promotes electric vehicles to reduce vehicular emissions.
UPSC Relevance
- GS Paper 1: Urbanization and its impact on the environment.
- GS Paper 2: Government policies and interventions for development in various sectors.
- GS Paper 3: Environmental pollution and degradation, environmental impact assessment.
- Prelims Angle: Questions on PM2.5 levels, most polluted cities, and WHO guidelines.
- Mains Angle: Analytical themes on air quality management and sustainable urban planning.
FAQ Section
- What is the World Air Quality Report 2024?
The World Air Quality Report 2024 is an annual assessment of global air pollution levels, highlighting India's position as the fifth most polluted country. - Why is the World Air Quality Report important?
It provides critical data on pollution levels, helping policymakers implement strategies to improve air quality and public health. - What are the key features of the report?
Key features include India's ranking, PM2.5 levels, major pollution sources, and WHO's recommendations for air quality improvement.
Detailed Coverage
- India is the fifth most polluted country in 2024.
- Delhi is the most polluted capital globally.
- PM2.5 concentration in Delhi: 91.6 µg/m³.
- Byrnihat tops the list with 128.2 µg/m³.
- India saw a 7% decrease in PM2.5 levels.
- Average PM2.5 in India: 50.6 µg/m³.
- 35% of Indian cities exceed WHO's safe limit of 5 µg/m³.
- Major pollution sources: Vehicle emissions, industrial pollution, and biomass burning.
- Crop stubble-burning contributes to 60% of PM2.5 in Northern India.
- Most polluted countries: Chad, Bangladesh, Pakistan, Congo.
- 99% of the global population breathes polluted air.
- Prolonged PM2.5 exposure reduces life expectancy by 5.2 years in India.
- WHO recommends strict measures to improve air quality.
- Dr. Soumya Swaminathan calls for urgent action.
- Recommendations include replacing biomass with LPG and expanding public transport.
- Fines on high-emission vehicles and strict enforcement of regulations are essential.
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