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Impact of the COVID-19 outbreak on air pollution levels in East Asia

Authors
  • Ghahremanloo, Masoud
  • Lops, Yannic
  • Choi, Yunsoo
  • Mousavinezhad, Seyedali
Type
Published Article
Journal
The Science of the Total Environment
Publisher
Elsevier B.V.
Publication Date
Sep 07, 2020
Volume
754
Pages
142226–142226
Identifiers
DOI: 10.1016/j.scitotenv.2020.142226
PMCID: PMC7476443
Source
PubMed Central
Keywords
License
Unknown

Abstract

• Remote sensing data, TROPOMI and AHI were used to quantify lockdown impact. • NO2 experienced the highest decrease in East Asia due to lockdowns. • NO2 (83%) and SO2 (71%) decreased more than HCHO (11%) and CO (4%) in Wuhan. • SO2 increased in Seoul and Tokyo due to polluted air transport in 2020. • HCHO to NO2 ratio increased from below 1 to above 2 in East China in February 2020.

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