Shows gas-to-particle transition increases in winter haze, indicating temperature and water effects on aerosol behavior.
emission control, which has resulted in atmospheric particles in the country becoming more hygroscopic and frequently dominated by liquid water. This aqueous-rich environment favors the gas-to-particle phase transformation of WSOC and thus promotes SOA formation, especially in winter haze periods. Our study highlights the synergistic effect of low temperature and aerosol water in driving organic partitioning to the aerosol phase, providing mechanistic insight into severe winter haze formation.
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Li et al. (2026) studied this question.
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