Exploratory assessment of outdoor and indoor airborne black carbon in different locations of Hanoi, Vietnam

Black carbon (BC) is a significant component of atmospheric particulate matter, especially in areas affected by combustion emissions. Despite the fact that air pollution is a great concern in Vietnam, there are no studies on the level of BC in the outdoor and indoor environment. In this exploratory...

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Bibliographic Details
Published in:The Science of the total environment 2018-11, Vol.642, p.1233-1241
Main Authors: Tran, Long K., Quang, Tran Ngoc, Hue, Nguyen Thi, Van Dat, Mac, Morawska, Lidia, Nieuwenhuijsen, Mark, Thai, Phong K.
Format: Article
Language:English
Subjects:
Air pollution
Cooking activities
Indoor air quality
Traffic emission
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Summary:Black carbon (BC) is a significant component of atmospheric particulate matter, especially in areas affected by combustion emissions. Despite the fact that air pollution is a great concern in Vietnam, there are no studies on the level of BC in the outdoor and indoor environment. In this exploratory study, an assessment of urban BC concentrations was conducted through monitoring of both outdoor and indoor BC concentrations in three households and one working office at different locations across Hanoi. PM2.5 and meteorology data were also obtained for this monitoring period to evaluate the association between them and the outdoor BC concentration. Overall, the mean indoor and mean outdoor BC concentrations by 30 second-logs for the monitoring period were 4.42 μg/m3 and 4.89 μg/m3, respectively. Time-series analysis of paired indoor and outdoor BC concentrations suggested that indoor BC level was usually influenced by outdoor BC level (r = 0.78, p 
ISSN:0048-9697
1879-1026
DOI:10.1016/j.scitotenv.2018.06.146