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    Air Quality Index, Indicatory Air Pollutants and Impact of COVID-19 Event on the Air Quality near Central China by Kaijie Xu, Kangping Cui, Li-Hao Young, Ya-Fen Wang, Yen-Kung Hsieh, Shun Wan, Jiajia Zhang

    Published 2020-05-01
    “…Abstract Both the air quality index (AQI) and indicatory air pollutants of Anqing, Hefei, and Suzhou near central China from 2017 to 2019, and the impact of COVID-19 epidemic prevention and control actions on air quality were investigated. …”
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