Characteristics of Indoor PM 2.5 Concentration in Gers Using Coal Stoves in Ulaanbaatar, Mongolia

Miyoung Lim, Sainnyambuu Myagmarchuluun, Hyunkyung Ban, Yunhyung Hwang, Chimedsuren Ochir, Delgerzul Lodoisamba and Kiyoung Lee
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Miyoung Lim: Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul 08826, Korea
Sainnyambuu Myagmarchuluun: Department of Environmental Health, School of Public Health, Mongolian National University of Medical Sciences, Ulaanbaatar 14210, Mongolia
Hyunkyung Ban: Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul 08826, Korea
Yunhyung Hwang: Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul 08826, Korea
Chimedsuren Ochir: Department of Environmental Health, School of Public Health, Mongolian National University of Medical Sciences, Ulaanbaatar 14210, Mongolia
Delgerzul Lodoisamba: Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul 08826, Korea
Kiyoung Lee: Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul 08826, Korea

IJERPH, 2018, vol. 15, issue 11, 1-11

Abstract: Coal combustion in ger areas is the main source of ambient air pollution in Ulaanbaatar (Mongolia). This study determined the characteristics of indoor PM 2.5 concentrations in gers using coal stoves during winter. The study population consisted of 60 gers in the Chingeltei district of Ulaanbaatar. The indoor particle number concentration (PNC) in each ger was measured using a Dylos DC1700 particle counter for 24 h in January and February 2016. The PNC by Dylos was converted into the mass concentration using a calibration equation developed using a collocated real-time light scattering monitor adjusted by gravimetric measurement. The average 24 h PM 2.5 concentration was 203.9 ± 195.1 μg/m 3 in gers with traditional stoves ( n = 29) and 257.5 ± 204.4 μg/m 3 in those with improved stoves ( n = 31). In the daily profile, concentrations were lower at night, increased in the early morning, and peaked up to noon. The temperature in gers was slightly higher than that recommended in winter. Many development-assistance programs have supported the installation of improved energy-efficient stoves. Better control measures are needed to improve the indoor air quality of gers.

Keywords: PM 2.5; indoor air quality; ger; indoor stove; coal combustion (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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