Association Between Time of Day and Carbonaceous PM2.5 and Oxidative Potential in Summer and Winter in the Suncheon Industrial Area, Republic of Korea
Choe Seoyeong,
Geun-Hye Yu,
Myoungki Song
et al.
Abstract:PM2.5 samples were collected in Suncheon during the summer (June 2-11, 2023) and winter (January 15-21, 2024). The chemical composition analysis included carbonaceous components (OC, EC), secondary ionic components (NH4+, NO3-, SO42-), dithiothreitol - oxidative potential (QDTT-OP), and volatile organic compounds. Results showed higher summer PM2.5 concentrations due to photochemical reactions and higher winter concentrations from heating and stable atmospheric conditions. The OC/EC ratio indicated greater sec… Show more
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