Finding · as stated by the study, recorded by Coridum · status verified-machine

Finding F-0695

“Furthermore, 95.5% of studied residences recorded a 24-hour mean concentration above the WHO AQG46 for NO2.”

Gilbey et al. Factors affecting indoor environmental air quality of non-smoking residences in Perth, Western Australia (2023). Indoor and Built Environment. Page 8. CKB 0065

Structure

Factor
Nitrogen dioxide (NO₂)
Setting
dwelling, AU
Study design
cross-sectional measurement study in 111 non-smoking residences in Perth, Western Australia: 24-hour indoor measurement of particulate matter, total volatile organic compounds, carbon dioxide, carbon monoxide, nitrogen dioxide and formaldehyde with a direct-reading monitor, set against building and household characteristics taken from a questionnaire (class 4)
Effect
share-above 95.5
Averaging time
24 h
Sample
111 homes
Flags
implausible
Caveat
the underlying NO2 readings are implausibly high (mean 0.15 ppm), so the share is recorded as printed

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