It is easy to think that when you walk in the door at home you are no longer exposed to bushfire smoke, but experts warn you may have a false sense of security.
But the director of the International Laboratory for Air Quality and Health, Lidia Morawska, said most Australian homes offered little protection from the negative effects of smoke.
Professor Morawska said there was little difference in the concentrations of pollutants whether the windows were open or shut. She said miniscule particles in smoke could easily travel through structural leaks or cracks in buildings.Structures that are significantly more protected include modern office buildings and shopping centres because they have air filtration systems.
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