Journal of Environmental and Public Health / 2009 / Article / Fig 2

Research Article

Assessment of Noise and Associated Health Impacts at Selected Secondary Schools in Ibadan, Nigeria

Figure 2

Average school-day hour noise levels indoors (study classrooms) and outdoors (on playground) at selected secondary schools in Ibadan, Nigeria, compared to each other and to the current WHO standard (35 dBA) for community learning environments.

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