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80% Of Post-Diwali Pollution In Delhi Caused By Firecrackers: Study

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80% Of Post-Diwali Pollution In Delhi Caused By Firecrackers: Study

Interestingly, vehicular emissions accounted for only 6.9% of PM2.5 during the November 9 assessment window. Secondary inorganic aerosols contributed 5%, while secondary organic aerosols accounted for 4.5%.