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Why Ho Chi Minh City's pollution sources may have been misread for years
- June 26, 2026 at 9:40 PM
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Biomass burning, including the combustion of wood, charcoal and agricultural residues, is a major source of PM2.5, a fine particulate matter that degrades air quality and poses risks to human health. Much of this pollution is tracked by looking at levels of levoglucosan, a chemical that is formed when cellulose in plants is burned, from biomass combustion such as residential fuel use, cooking and open burning.
Originally published at Phys.org