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Impact of COVID-19 restrictive precautions on air quality: case of Zonguldak, Turkey

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  • Rabia Köklü
  • Burçin Atılgan Türkmen
  • Ece Ümmü Deveci
  • Çağdaş Gönen

Abstract

The purpose of this study was to investigate and assess how restrictive COVID-19 precautions affect air quality in Zonguldak, as well as to determine the relationship between air quality and meteorological variables under these conditions. Daily PM2.5, PM10, SO2, and NOx concentrations and meteorological data, from 1 March to 31 May 2018, 2019, and 2020 were collected for this research. During the 2020 restrictive COVID-19 precautions, it was determined that concentrations of air pollutants were different and low based on the 95% confidence interval by using paired t-test samples. Meteorological variables were found to be similar to previous years, and the correlation between them and air pollutants was found to be significant (P < 0.01) but low according to Pearson correlations. As a result, meteorological variables were determined to have no direct effect on the low concentrations of air quality emissions during the 2020 pandemic. The overall findings revealed that anthropogenic impact has a negative impact on air quality and the air quality had improved during the COVID pandemic. Furthermore, the restriction on the region's coalmines during the COVID-19 pandemic has significant impact on the improvement of air quality.

Suggested Citation

  • Rabia Köklü & Burçin Atılgan Türkmen & Ece Ümmü Deveci & Çağdaş Gönen, 2022. "Impact of COVID-19 restrictive precautions on air quality: case of Zonguldak, Turkey," International Journal of Environmental Technology and Management, Inderscience Enterprises Ltd, vol. 25(5), pages 406-426.
    • Handle: RePEc:ids:ijetma:v:25:y:2022:i:5:p:406-426
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    Keywords

    COVID-19; pandemic; air quality; PM10; PM2.5; NO x ; SO 2 ; Zonguldak; Turkey.;
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