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  1. Article ; Online: Changes in air quality related to the control of coronavirus in China: Implications for traffic and industrial emissions.

    Wang, Yichen / Yuan, Yuan / Wang, Qiyuan / Liu, ChenGuang / Zhi, Qiang / Cao, Junji

    The Science of the total environment

    2020  Volume 731, Page(s) 139133

    Abstract: ... in the air quality index (AQI) and the concentrations of six air pollutants (PM ... Measures taken to control the disease (Covid-19) caused by the novel coronavirus dramatically ... reduced the number of vehicles on the road and diminished factory production. For this study, changes ...

    Abstract Measures taken to control the disease (Covid-19) caused by the novel coronavirus dramatically reduced the number of vehicles on the road and diminished factory production. For this study, changes in the air quality index (AQI) and the concentrations of six air pollutants (PM
    MeSH term(s) Air Pollutants ; Air Pollution ; Betacoronavirus ; COVID-19 ; China ; Coronavirus Infections ; Environmental Monitoring ; Humans ; Pandemics ; Particulate Matter ; Pneumonia, Viral ; SARS-CoV-2
    Chemical Substances Air Pollutants ; Particulate Matter
    Keywords covid19
    Language English
    Publishing date 2020-05-06
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2020.139133
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Changes in air quality related to the control of coronavirus in China: Implications for traffic and industrial emissions

    Wang, Yichen / Yuan, Yuan / Wang, Qiyuan / Liu, ChenGuang / Zhi, Qiang / Cao, Junji

    Sci Total Environ

    Abstract: ... evaluated during the Covid-19 control period in northern China. Overall, the air quality improved, most ... to the industrial sector. However, the reductions in emissions did not fully eliminate air pollution, and O3 actually ... in the air quality index (AQI) and the concentrations of six air pollutants (PM2.5, PM10, CO, SO2, NO2, and O3) were ...

    Abstract Measures taken to control the disease (Covid-19) caused by the novel coronavirus dramatically reduced the number of vehicles on the road and diminished factory production. For this study, changes in the air quality index (AQI) and the concentrations of six air pollutants (PM2.5, PM10, CO, SO2, NO2, and O3) were evaluated during the Covid-19 control period in northern China. Overall, the air quality improved, most likely due to reduced emissions from the transportation and secondary industrial sectors. Specifically, the transportation sector was linked to the NO2 emission reductions, while lower emissions from secondary industries were the major cause for the reductions of PM2.5 and CO. The reduction in SO2 concentrations was only linked to the industrial sector. However, the reductions in emissions did not fully eliminate air pollution, and O3 actually increased, possibly because lower fine particle loadings led to less scavenging of HO2 and as a result greater O3 production. These results also highlight need to control emissions from the residential sector.
    Keywords covid19
    Publisher WHO
    Document type Article
    Note WHO #Covidence: #186671
    Database COVID19

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