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Delhi Pollution Pattern Shifts Towards Rising Ozone Threat Why in the News ? A new air-quality dashboard based on Central Pollution Control Board data has revealed a changing pollution pattern in Delhi-NCR, with declining NO₂ and CO levels but a worrying increase in ground-level ozone, highlighting emerging challenges in urban air pollution management and the …
Read MoreSecondary 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 …
Read MoreNO BAND-AID SOLUTIONS FOR DELHI’S POLLUTION CRISIS Why in the News? Fuel ban imposed: CAQM enforced a ban on fuel for 10-year-old diesel and 15-year-old petrol vehicles from July 1 as an anti-pollution move, addressing one aspect of the complex environmental health issue in the capital. Delhi pushback: Delhi Government called for a pause, citing …
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