Trends of the PM10 Concentrations and High PM10 Concentration Cases in Korea

Min Ju Yeo; Yong Pyo Kim

doi:10.5572/KOSAE.2019.35.2.249

Trends of the PM₁₀ Concentrations and High PM₁₀ Concentration Cases in Korea

Min Ju Yeo, Yong Pyo Kim

Department of Chemical Engineering & Materials Science

Research output: Contribution to journal › Article › peer-review

45 Scopus citations

Abstract

The publicʼs concern on ambient PM₁₀ has increased sharply since 2013. To check whether the concern is related the PM₁₀ concentration, the trends of (1) the annual mean PM₁₀ concentration, (2) the frequency by the PM₁₀ concentration interval, and (3) the high concentration occurrence duration time are studied. It is found that all three indicators have decreased between 2001 and 2017. For example, the annual mean PM₁₀ concentration decreased from 71 μg/m³ in 2001 to 44 μg/m³ in 2017 in Seoul. Generally, the frequency of the PM₁₀ concentration over 50 μg/m³ has decreased while that less than 20 μg/m³ has changed little. Thus, the frequency between 20 and 50 μg/m³ has increased. However, different trends in the PM₁₀ concentration, frequency by concentration level and frequency over 50 μg/m³ for duration are observed among the administrative districts.

Original language	English
Pages (from-to)	249-264
Number of pages	16
Journal	Journal of Korean Society for Atmospheric Environment
Volume	35
Issue number	2
DOIs	https://doi.org/10.5572/KOSAE.2019.35.2.249
State	Published - Apr 2019

Bibliographical note

Publisher Copyright:
© 2019, Journal of Korean Society for Atmospheric Environment.All Rights Reserved.

Keywords

Frequency by PM concentration interval
High concentration occurrence duration
PM concentration
Regional difference

Access to Document

10.5572/KOSAE.2019.35.2.249

Cite this

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abstract = "The publicʼs concern on ambient PM10 has increased sharply since 2013. To check whether the concern is related the PM10 concentration, the trends of (1) the annual mean PM10 concentration, (2) the frequency by the PM10 concentration interval, and (3) the high concentration occurrence duration time are studied. It is found that all three indicators have decreased between 2001 and 2017. For example, the annual mean PM10 concentration decreased from 71 μg/m3 in 2001 to 44 μg/m3 in 2017 in Seoul. Generally, the frequency of the PM10 concentration over 50 μg/m3 has decreased while that less than 20 μg/m3 has changed little. Thus, the frequency between 20 and 50 μg/m3 has increased. However, different trends in the PM10 concentration, frequency by concentration level and frequency over 50 μg/m3 for duration are observed among the administrative districts.",

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