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KMID : 1138720140400020053
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Korean Public Health Research
2014 Volume.40 No. 2 p.53 ~ p.58
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Change in PM2.5 Concentration in Air Associated with Enforcement of Outdoor Non-smoking Area at Seoul Express Bus Terminal
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Lee Bo-Ram
Cho Hye-Ri
Lee Ki-Young
Kwon Young-Hyun
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Abstract
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Objectives : Outdoor smoke-free regulation has been implemented in various locations in Seoul, Korea. Unlike indoor environment, outdoor smoke-free regulation may have less compliance due to relatively fast dispersion of outdoor tobacco smoke (OTS). The purpose of this study was to determine impact of enforcement on outdoor smoke-free regulation by measuring OTS exposure.
Methods : Monitoring at non-smoking area and designated smoking areas occurred with and without enforcement. Fine particulate matter (PM2.5) from OTS was measured using a portable aerosol monitor.
Results : Before enforcement, the average PM2.5 levels in designated smoking area and no-smoking area were not significantly different. With enforcement, the average PM2.5 levels in no-smoking area were significantly lower than in designated smoking area. Number of smoker in no-smoking area was also significantly decreased with enforcement. More smokers were present outdoor smoking area in evening. Relationship between number of smoker and PM2.5 level demonstrated that outdoor PM2.5 level was associated with OTS.
Conclusion : The findings confirmed the need of enforcement to enhance compliance in no-smoking outdoor areas. The strict enforcement may be necessary in evening when more smokers came out for smoking.
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KEYWORD
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OTS, secondhand smoke, ETS, smoke-free l
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