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HOME
INDIA
WORLD
BUSINESS
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TECH
E-PAPER
OPINION
ANALYSIS
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STATE EDITIONS
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flue gas desulphurisation

42% of India’s PM2.5 comes from secondary particles, mainly ammonium sulfate: Study

42% of India’s PM2.5 comes from secondary particles, mainly ammonium sulfate: Study

Pioneer News Service

25 Dec 2025

3 min read

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