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Monitoring and Assessment of Indoor Environmental Conditions after the Implementation of COVID-19-Based Ventilation Strategies in an Educational Building in Southern Spain.
Aguilar, Antonio J; de la Hoz-Torres, María L; Martínez-Aires, Mª Dolores; Ruiz, Diego P.
  • Aguilar AJ; Department of Applied Physics, University of Granada, Av. Severo Ochoa s/n, 18071 Granada, Spain.
  • de la Hoz-Torres ML; Department of Applied Physics, University of Granada, Av. Severo Ochoa s/n, 18071 Granada, Spain.
  • Martínez-Aires MD; Department of Building Construction, University of Granada, Av. Severo Ochoa s/n, 18071 Granada, Spain.
  • Ruiz DP; Department of Applied Physics, University of Granada, Av. Severo Ochoa s/n, 18071 Granada, Spain.
Sensors (Basel) ; 21(21)2021 Oct 30.
Article in English | MEDLINE | ID: covidwho-1488704
ABSTRACT
Since students and teachers spend much of their time in educational buildings, it is critical to provide good levels of indoor environmental quality (IEQ). The current COVID-19 pandemic has shown that maintaining a good indoor air quality level is an effective measure to control the transmission of the SARS-CoV-2 virus. This study used sensors to monitor key IEQ factors and assess several natural ventilation scenarios in a classroom of the University of Granada. Subsequently, the IEQ factors (temperature, relative humidity, CO2 concentration, acoustic environment, and air velocity) were evaluated for the selected ventilation scenarios in the occupied classroom, and the field monitoring was carried out in two different assessment periods, winter and summer. The obtained results show that the CO2 concentration levels were well below the recommended limits. However, the maintenance of the recommended thermal and acoustic IEQ factors was significantly affected by the natural ventilation strategies (temperature and relative humidity values were very close to the outside values, and the background sound pressure level was over 35 dBA during the entire assessment). The proper measurements and careful selection of the appropriate ventilation scenarios become of utmost importance to ensure that the ventilation rates required by the health authorities are achieved.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Air Pollution, Indoor / COVID-19 Type of study: Experimental Studies Limits: Humans Country/Region as subject: Europa Language: English Year: 2021 Document Type: Article Affiliation country: S21217223

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Air Pollution, Indoor / COVID-19 Type of study: Experimental Studies Limits: Humans Country/Region as subject: Europa Language: English Year: 2021 Document Type: Article Affiliation country: S21217223