Purpose / Context - Indoor airborne bioaerosol, which has an outdoor origin, plays an important role in determining the exposure of humans to bioaerosol, since people spend most of their time indoors. However, there are few studies focusing on the indoor bioaerosols that are generated outdoors. Methodology / Approach - In this study, indoor-outdoor size...

Indoor air pollution caused by the cigarette smoke consisted of wide range pollutants is a big problem for threatening human health. Air cleaners are expected as one of effective countermeasures against this environmental problem. However, few air cleaners correspond to various sorts of indoor pollutants. So, we developed new air cleaning method used with additive...

Purpose / Context - Improve indoor air quality. Methodology / Approach - Investigate the objectives of the study through subjective questionnaire survey and field test of the selected parameters. Results – According to the practical problems of the office building, the reasonable solution is put forward. Key Findings / Implications – The indoor thermal and...

Purpose / Context – The purpose of our work is to investigate: a) the sensor responses of the two different low-cost PM sensors to concrete dust and indoor environment and activities; b) the evalua-tion of the measuring performance of two low-cost PM sensors and their potential application in in-door air quality monitoring. Methodology / Approach...

Purpose / Context - Particulate matter (PM) is one of the main indoor air pollutions, and it can cause a wide range of diseases that lead to a significant reduction of human life. This study aimed at investigating of characteristics of particle concentrations for PM2.5 and size distribution during different activities in residential houses. Methodology...