Real-Time Estimation and Monitoring of COVID-19 Aerosol Transmission Risk in Office Buildings

Author:

Vanhaeverbeke Jelle1ORCID,Deprost Emiel1ORCID,Bonte Pieter1ORCID,Strobbe Matthias1ORCID,Nelis Jelle1ORCID,Volckaert Bruno1ORCID,Ongenae Femke1ORCID,Verstockt Steven1ORCID,Van Hoecke Sofie1ORCID

Affiliation:

1. IDLab, Ghent University-imec, 9052 Ghent, Belgium

Abstract

A healthy and safe indoor environment is an important part of containing the coronavirus disease 2019 (COVID-19) pandemic. Therefore, this work presents a real-time Internet of things (IoT) software architecture to automatically calculate and visualize a COVID-19 aerosol transmission risk estimation. This risk estimation is based on indoor climate sensor data, such as carbon dioxide (CO2) and temperature, which is fed into Streaming MASSIF, a semantic stream processing platform, to perform the computations. The results are visualized on a dynamic dashboard that automatically suggests appropriate visualizations based on the semantics of the data. To evaluate the complete architecture, the indoor climate during the student examination periods of January 2020 (pre-COVID) and January 2021 (mid-COVID) was analyzed. When compared to each other, we observe that the COVID-19 measures in 2021 resulted in a safer indoor environment.

Funder

imec through the Hybrid AI for Buildings project

Fonds Wetenschappelijk Onderzoek Vlaanderen

Publisher

MDPI AG

Subject

Electrical and Electronic Engineering,Biochemistry,Instrumentation,Atomic and Molecular Physics, and Optics,Analytical Chemistry

Reference32 articles.

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2. FPS Public Health (Belgium) (2023, January 24). Ventilation|Coronavirus COVID-19. Available online: https://www.info-coronavirus.be/en/ventilation.

3. High Council of Public Health (France) (2023, January 24). COVID-19: Aeration, Ventilation and CO2 Measurement in Public Accesses Buildings (PAB). Available online: https://www.hcsp.fr/explore.cgi/avisrapportsdomaine?clefr=1114.

4. Exhaled CO2 as a COVID-19 Infection Risk Proxy for Different Indoor Environments and Activities;Peng;Environ. Sci. Technol. Lett.,2021

5. Monitoring carbon dioxide to quantify the risk of indoor airborne transmission of COVID-19;Bazant;medRxiv,2021

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