Finding · as stated by the study, recorded by Coridum · status verified-machine
Finding F-1531
“Indoor CO2 concentration during winter and summer nights was 946.52 ppm and 1004.29 ppm, respectively.”
Structure
- Factor
- Carbon dioxide (CO₂)
- Population
- elderly people
- Setting
- dwelling, CN
- Study design
- year-round measurement of indoor air pollutants in the dwelling of elderly people in China: particulate matter, carbon dioxide, carbon monoxide, total volatile organic compounds and formaldehyde measured indoors and outdoors across the four seasons and compared with the Chinese indoor air quality standard (class 4)
- Effect
- mean 1004.29
- Caveat
- the study finds the carbon dioxide peak between 10 pm and 5 am, when the occupants sleep
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