Relationships between indoor and outdoor air quality in four naturally ventilated offices in the United Kingdom |
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| Institution: | 1. Departamento de Matemáticas, Universidad de Murcia, 30100 Murcia, Spain;2. Instituto de Ciencias Físicas y Matemáticas, Universidad Austral de Chile, Valdivia, Chile;1. Advaned Analysis Center, Korea Institute of Science and Technology, Seoul 136-791, Republic of Korea;2. Dr. S. S. Bhatnagar University Institute of Chemical Engineering and Technology, Panjab University, Chandigarh 160014, India;3. Department of Physics, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, Uttarakhand 263145, India;4. Inter University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi 110067, India;1. Emperor Alexander I St. Petersburg State Transport University, Moskovsky pr., 9, St. Petersburg, 190031, Russian Federation;2. Petersburg State University of civil aviation, Pilotov Str., 38, St. Petersburg, 196210, Russian Federation |
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| Abstract: | Three offices in central London and one at a rural location were characterized with respect to air quality. All four offices were naturally ventilated. The characterization was supplemented by using a mobile laboratory to monitor the outdoor air quality. Results indicate that indoor pollutant concentrations may be up to 80% of the concentration outdoors but can greatly exceed outdoor concentrations. Additionally, it has been shown that indoor pollutants usually follow outdoor pollutant trends at lower levels, with only a small time delay due to mixing and dilution factors. The interaction between indoor and outdoor air is discussed with respect to ventilation characteristics and pollutant sources. A comparison between actual and modelled carbon dioxide levels may provide a useful indicator of ventilation. |
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