新型コロナウイルス感染症流行下の仙台市内の小中学校教室における温熱空気環境の測定

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  • MEASUREMENTS OF INDOOR THERMAL AND AIR ENVIRONMENT IN ELEMENTARY AND JUNIOR HIGH SCHOOL CLASSROOMS IN SENDAI UNDER COVID-19 PANDEMIC

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<p>During the COVID-19 pandemic, we surveyed some classroom environments of three elementary and junior high schools in Sendai. The CO2 concentrations were maintained much lower than pre-pandemic levels by opening windows; however in two schools, they exceeded 1000 ppm for more than 50% of school hours in January. Since the installation of new ventilation fans in one of the schools, the percentage of CO2 concentrations exceeding 1000 ppm has been reduced to 8.5%. Because of the ventilation path formed through the hall and increased heating usage, the temperature in that school remained nearly constant.</p>

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