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Short and Long-Term Temporal Changes in Air Quality in a Seoul Urban Area: The Weekday/Sunday Effect

Author

Listed:
  • Jan E. Szulejko

    (Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Korea)

  • Adedeji A. Adelodun

    (Department of Marine Science and Technology, The Federal University of Technology, P.M.B. 704, Akure, Nigeria)

  • Ki-Hyun Kim

    (Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Korea)

  • J. W. Seo

    (Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Korea)

  • Kowsalya Vellingiri

    (Environmental and Water Resources Engineering Division, Department of Civil Engineering, IIT Madras, Chennai 600 036, India)

  • Eui-Chan Jeon

    (Department of Environment & Energy, Sejong University, Seoul 05006, Korea)

  • Jongki Hong

    (College of Pharmacy, Kyung Hee University, Seoul 02447, Korea)

  • Richard J. C. Brown

    (Chemical, Medical and Environmental Science Department, National Physical Laboratory, Teddington, Middlesex TW11 0LW, UK)

Abstract

We present evidence on the short-term differences in airborne pollution levels in terms of weekday/weekend (WD/WN) and weekday/Sunday (WD/Sun) intervals. To this end, we analyzed the hourly data of important pollutants (nitric oxide (NO), nitrogen dioxide (NO 2 ), ozone (O 3 ) and carbon monoxide (CO)) using the data acquired in the Yong-San district of Seoul, Korea from 2009 to 2013. For each week, the pollutant ratio (R w ) was estimated through either WD/WN or WD/Sun. Here, a week is defined as Sunday through Saturday, WD as Monday through Friday and WN as Sunday and Saturday. The WD/Sun R w geometric means (and range) were 2.02 (0.27–15.5) for NO, 1.29 (0.49–5.7) for NO 2 and 0.89 (0.17–7.2) for O 3 while the fraction of R w (WD/Sun) > 1 were 81, 71 and 38%, respectively. NO and CO levels were much higher in October through March (during Autumn and Winter) than April through September (during Spring and Summer), reflecting the potential effect of fuel consumption (e.g., in terms of use patterns of nationwide city natural gas). Thus, we provide a broader interpretation on the occurrence patterns of the major pollutants (e.g., NO, NO 2 , O 3 and CO) in relation to temporal changes in man-made activities.

Suggested Citation

  • Jan E. Szulejko & Adedeji A. Adelodun & Ki-Hyun Kim & J. W. Seo & Kowsalya Vellingiri & Eui-Chan Jeon & Jongki Hong & Richard J. C. Brown, 2018. "Short and Long-Term Temporal Changes in Air Quality in a Seoul Urban Area: The Weekday/Sunday Effect," Sustainability, MDPI, vol. 10(4), pages 1-12, April.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:4:p:1248-:d:141961
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    References listed on IDEAS

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    1. Randall S. Cerveny & Robert C. Balling, 1998. "Erratum: Weekly cycles of air pollutants, precipitation and tropical cyclones in the coastal NW Atlantic region," Nature, Nature, vol. 395(6700), pages 405-405, September.
    2. Randall S. Cerveny & Robert C. Balling, 1998. "Weekly cycles of air pollutants, precipitation and tropical cyclones in the coastal NW Atlantic region," Nature, Nature, vol. 394(6693), pages 561-563, August.
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    Cited by:

    1. Hyunjung Lee & Sookuk Park & Helmut Mayer, 2023. "Statistical Characteristics of Air Quality Index DAQx*-Specific Air Pollutants Differentiated by Types of Air Quality Monitoring Stations: A Case Study of Seoul, Republic of Korea," Sustainability, MDPI, vol. 15(11), pages 1-25, May.

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