


| The impacts of COVID-19, meteorology, and emission control policies on PM2.5 drops in Northeast Asia |
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To clearly confirm the impact of COVID-19 on PM 2.5 concentration, based on the period when the social distancing was actively implemented due to the spread of COVID-19 since the end of January in 2020, analysis was confirmed by dividing the period into a first half (December 2019 to January 2020) and second half (February to March 2020).
Posted: 2020-12-18 06:41:00
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