Conjoint Professor Bin Jalaludin from UNSW School of Public Health and Community Medicine answers your top questions about air quality and how to stay protected as the Australian bushfires continue.
Residents of high-density housing might value features such as balconies, but when roads get busy they increase exposure to pollution, write Christine Cowie and Guy Marks.
Taken together, outdoor and indoor air pollution rivals cigarette smoking as a major risk factor for death and disability, write Christine Cowie and Bin Jalaludin.