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Secondary particulate matter is a core driver of dangerous PM2.5 in India: CREA analysis

Dec 24, 05:08 PM IST 3 min read

A new analysis reveals that 42% of India's PM2.5 pollution is secondary particulate matter, primarily ammonium sulfate from sulfur dioxide, with coal-fired power plants responsible for 60% of SO2 emissions. Current regulations exempt many plants from flue gas controls, hindering pollution reduction efforts. Enhanced focus on precursor gases is essential for effective air quality improvement.

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