Effect of indoor and outdoor sources on particulate matter concentration in a naturally ventilated flat (URBAN-AEROSOL Project Prague)

被引：9
|
作者：
Branis, M
Hovorka, J
Rezácová, P
Domasová, M
Lazaridis, M
机构：
[1] Charles Univ, Fac Sci, Inst Environm Studies, Prague 12843 2, Czech Republic
[2] Tech Univ Crete, Dept Environm Engn, Khania 7311, Greece
来源：
INDOOR AND BUILT ENVIRONMENT | 2005年 / 14卷 / 3-4期
关键词：
Indoor air quality; Urban air; PM10; PM2; 5; PM1;
D O I：
10.1177/1420326X05054284
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Indoor and outdoor characteristics of particulate matter (PM) were studied in a naturally ventilated flat. Twenty-four-hour concentrations of indoor PM1, PM2.5 and PM10 and outdoor PM2.5 were measured. In winter all indoor concentrations of PM fractions were highly correlated (r = 0.97 to 0.98). High correlation was also found between ambient PM10 and outdoor PM2.5 (r = 0.99). In summer, the correlations between all PM fractions were lower. Human activity had a stronger effect on indoor PM concentrations in winter than in summer but only when the outdoor levels were low. During the second winter campaign higher outdoor concentrations were able to mask indoor sources. The presence of people corresponded to elevated levels of coarse particle fractions, cooking was associated with higher levels of fine particles. In summer with windows open, indoor PM values were not associated with human activity. A significant negative association was registered between wind speed and indoor PM.
引用
收藏
页码：307 / 312
页数：6
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