Aircraft Noise Perception and Annoyance at Schools near Salgado Filho International Airport, Brazil

This article presents results of an evaluation of aircraft noise perception and annoyance in schools located in the vicinity of Salgado Filho International Airport, in the city of Porto Alegre, RS, Brazil. This research is based on indoor and outdoor acoustic measurements, in addition to questionnaires in three schools. The results indicate problems in school performance, resulting from frequent interruption of classroom communication associated with high noise levels. The research also indicates that children aged between 11 and 13 years form the most vulnerable group.