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

Finding F-1385

“For ultrafine particles, the highest mean indoor and outdoor readings were 32.3 μg/ m3 and 35.5 μg/m3, respectively.”

Comparative Analysis of Indoor and Outdoor Particulate Matter Concentrations and Air Quality in Ogbomoso, Nigeria (2020). Journal of health & pollution. Page 4. CKB 7996

Structure

Factor
Ultrafine particles (UFP)
Setting
indoors, NG
Study design
comparative survey of indoor and outdoor particulate matter in the precincts of a study area in Nigeria: PM1, PM2.5 and PM10 measured with a particle counter and compared per precinct and against the World Health Organization values (class 4)
Effect
mean 32.3
Flags
unit-suspect
Caveat
the study calls PM1 ultrafine and prints it in mass units, which is unusual for a particle-number fraction

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