31Dec 2025

Secondary Aerosols Fuel Delhi PM2.5 Crisis

Secondary Aerosols Deepen Delhi’s PM2.5 Crisis Why in the News? A recent Centre for Research on Energy and Clean Air (CREA analysis) reveals that nearly one-third of Delhi’s annual PM2.5 load comes from secondary aerosols, especially ammonium sulfate, highlighting the role of coal-based SO₂ emissions, atmospheric chemistry, and regional pollution in worsening winter smog. This …

17Dec 2025

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air quality awareness climate and health delhi air quality environmental pollution India health impact of microplastics india air crisis indian cities smog inhalable microplastics invisible pollutants microplastic pollution mumbai pollution pm2_5 and microplastics respiratory diseases india sustainable cities India urban air pollution
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Inhalable Microplastics in India’s Urban Air

Inhalable Microplastics: The Invisible Pollutant Deepening India’s Urban Air Crisis Syllabus GS 3 ● Climate change ● Microplastics in air Why in the News Recent scientific evidence reveals that inhalable microplastics have emerged as a dangerous but largely unrecognized component of urban air pollution. Acting as “Trojan horses”, these particles carry heavy metals, toxic chemicals, …

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Secondary Aerosols Fuel Delhi PM2.5 Crisis

Inhalable Microplastics in India’s Urban Air

UPSC Prelims 2026 Live Paper Discussion & Detailed Answer Key Analysis