Effects of Urban Air Pollution on School-Age Children

Abstract
From Nov. 1977-March 1978, forced expiratory volumes (FEV) of 78 second graders living in a high SO2 and smoke pollution area were compared with FEV of 70 second graders living in a clean air area. The incidence of acute respiratory diseases in these children and their families was also comparatively studied during the same period. Indoor and outdoor measurements of SO2 and smoke and additional measurements of suspended particulate matter (SPM) and sulfate were conducted. At the actual average annual exposure to SO2, smoke and SPM of 70-80, 60-80 and 130-200 .mu.g/m3, respectively, with frequent exposures to 3-5 times higher daily SO2 and smoke concentrations and 2 times higher daily concentrations of SPM during the heating season, certain effects on the ventilatory functions and occurrence of acute respiratory diseases can be expected.

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