Trend of visibility impairment caused by smog phenomenon in Seoul

Nam Jun Baik, Jong Hoon Lee, Yong Pyo Kim, Kil Choo Moon, Yung H. Joe

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


The characteristics of visual air quality in Seoul have been investigated from March to November 1993. Optical properties, meteorological parameters, and particle characteristics were measured and analyzed. On the average, light scattering by particles is the dominant process in light extinction. Fine particle mass concentration, and the fraction of sulfate, nitrate and ammonium ions in the particles were found to play a major role in influencing the occurrence of a smog episode in Seoul. The role of ambient relative humidity on Seoul visibility is discussed.

Original languageEnglish
Pages (from-to)300-305
Number of pages6
JournalKorean Journal of Chemical Engineering
Issue number3
StatePublished - Jul 1995


  • Fine Particles
  • Light Scattering
  • Relative Humidity
  • Seoul
  • Visibility


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