Unraveling the main chemical mechanism of PM2.5 pollution caused by open burning of sugarcane straw during winter in southern China: The Pivotal Role of NOx and NH3 Oxidation-Neutralization

ScienceDirect.com | 8 June 2025 | A winter pollution event in Nanning, Guangxi, revealed that open burning of sugarcane straw significantly increases PM2.5 levels, with key chemical markers like K⁺, Cl⁻, Na⁺, and EC rising up to 4.5 times compared to non-polluted...