This study investigates the impact of COVID-19-related emission reductions, meteorological conditions, and emission control policies on PM<sub>2.5</sub> concentrations in Northeast Asia. Using air quality modeling and observations from 2016-2020, the study quantifies the individual contributions of these factors. Results show that the impact of anthropogenic emission reductions due to COVID-19 was greater than that of meteorology or emission policies, particularly in February-March 2020.
Publisher
Scientific Reports
Published On
Dec 17, 2020
Authors
Yoon-Hee Kang, Seunghee You, Minah Bae, Eunhye Kim, Kyuwon Son, Changhan Bae, Yoonha Kim, Byeong-Uk Kim, Hyun Cheol Kim, Soontae Kim
Tags
COVID-19
PM2.5
emission reductions
Northeast Asia
air quality
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