2021
Yes
https://onlinelibrary.wiley.com/doi/abs/10.1111/ina.12942
Nazaroff, William
North America
Europe
Asia
Observational
Epidemiology Study
Ozone (O3)
Chemistry
Offices
Residences
School
Surface reactions
Ventilation
Measurements in approximately 2000 indoor environments (residences, schools, and offices) show a central tendency for average indoor ozone concentration of 4–
6 ppb and an indoor to outdoor concentration ratio of about 25%. Considerable variability in this ratio exists among buildings, as influenced by seven building-
associated factors: ozone removal in mechanical ventilation systems, ozone penetration through the building envelope, air- change rates, ozone loss rate on fixed indoor surfaces, ozone loss rate on human occupants, ozone loss by homogeneous reaction with nitrogen oxides, and ozone loss
by reaction with gas-phase organics. Among these, the most important are air-
change rates, ozone loss rate on fixed indoor surfaces, and, in densely occupied spaces, ozone loss rate on human occupants. Although most indoor ozone originates outdoors and
enters with ventilation air, indoor emission sources can materially increase indoor
ozone concentrations.
6 ppb and an indoor to outdoor concentration ratio of about 25%. Considerable variability in this ratio exists among buildings, as influenced by seven building-
associated factors: ozone removal in mechanical ventilation systems, ozone penetration through the building envelope, air- change rates, ozone loss rate on fixed indoor surfaces, ozone loss rate on human occupants, ozone loss by homogeneous reaction with nitrogen oxides, and ozone loss
by reaction with gas-phase organics. Among these, the most important are air-
change rates, ozone loss rate on fixed indoor surfaces, and, in densely occupied spaces, ozone loss rate on human occupants. Although most indoor ozone originates outdoors and
enters with ventilation air, indoor emission sources can materially increase indoor
ozone concentrations.