Air Pollution in India: Ecological, Health, and Socio-Economic Implications - A Review
DOI:
https://doi.org/10.55544/jrasb.4.2.29Keywords:
Air pollution, India, PM2.5, Stubble burning, Biodiversity, Public health, NCAP, Climate changeAbstract
Air pollution has emerged as one of the most critical environmental stressors of the 21st century, with India among the most affected countries globally. The rapid pace of urbanization, industrial expansion, and vehicular growth has elevated concentrations of particulate matter (PM 2.5 and PM10), nitrogen oxides, sulfur dioxide, ozone, and volatile organic compounds to hazardous levels. This review synthesizes literature published between 2000 and 2025 to examine the ecological, health, and socio-economic implications of air pollution in India. The review analyzes major pollution sources including vehicular emissions, coal-based power plants, stubble burning, household biomass use, and urban dust. Ecological impacts include ozone-induced crop yield losses, reduced forest productivity, urban biodiversity decline, and contamination of aquatic and soil systems. Public health consequences are severe, with over 1.6 million premature deaths annually linked to respiratory, cardiovascular, neurological, and maternal-child health conditions. Vulnerable populations such as children, women, the elderly, and outdoor workers face disproportionate risks. Socio-economic burdens include reduced labor productivity, escalating healthcare costs, agricultural losses, and damage to tourism and cultural heritage, amounting to nearly 8.5% of India’s GDP.
The study highlights mitigation strategies such as the National Clean Air Programme (NCAP), Bharat Stage VI vehicular norms, and clean household energy initiatives, while noting enforcement gaps and governance challenges. Future research needs include satellite–ground data integration, AI-driven forecasting, and citizen science approaches. Ensuring clean air in India is therefore a public health imperative, ecological necessity, and economic opportunity.
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