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Avaliação da qualidade do ar interior em escolas

Authors: Burihan, Juliana;

Avaliação da qualidade do ar interior em escolas

Abstract

O estudo da Qualidade do Ar Interior (QAI) é uma questão fundamental, dado que, atualmente, as pessoas passam cerca de 90% do seu dia em ambientes interiores. Esta questão torna-se ainda mais relevante quando se discute esta problemática nas escolas, espaços aglomeradores de uma faixa mais sensível e suscetível da população, as crianças e os jovens. Esta dissertação pretende analisar a QAI de edifícios escolares localizados nas zonas urbanas de Lisboa e Loures. Para tal, realizou-se a monitorização das concentrações dos poluentes CO, CO2, COV, PM2.5, PM10 e Aldeídos em 12 salas de aula de 6 escolas. Os resultados deste estudo demonstram que vários poluentes apresentam níveis de concentração acima dos parâmetros permitidos pela Legislação Portuguesa, Europeia e Organização Mundial da Saúde (OMS), nomeadamente o CO2 com valores muito acima do valor limite, o PM2.5 também com excessos em quase todas as escolas e o PM10 com valores superiores em 33% dos estabelecimentos de ensino. Este cenário apresenta-se preocupante, já que os jovens passam muito tempo do seu dia no interior das escolas e a garantia de condições saudáveis é fundamental para a sua aprendizagem e bem-estar. Neste sentido, ações como garantir um correto dimensionamento das salas e ventilação face ao número de ocupantes, e evitar exposição a fontes de poluentes exteriores ou interiores nas escolas são fundamentais.

The study of the Indoor Air Quality (IAQ) is a crucial issue, since nowadays the world population spends 90% of their time in indoor spaces. This problematic becomes ever more relevant when applied to schools, which gather a more sensitive and susceptible group of the population, children and young people. This study aims to analyze the IAQ of school buildings located in the urban areas of Lisbon and Loures. For this purpose, concentrations of the pollutants CO, CO2, VOCs, PM2.5, PM10 and Aldehydes were monitored in 12 classrooms from 6 schools. The results show that several pollutants concentrations were above the limits identified by national legislation. Levels were above the parameters allowed by Portuguese and European Legislation and the World Health Organization, namely CO2, largely exceeding the limit value. The PM2.5 was also above the limit value in almost all schools, and the PM10 represented higher values in 33% of the schools. This scenario is concerning since young people spend a large amount of their daily time in school, where safe conditions should be guaranteed to promote their learning process and general well-being. Thus, actions such as a correct dimensioning and ventilation of the classrooms in accordance with the number of occupants, and avoidance of indoor or outdoor pollution sources exposure in schools should be safeguarded.

Orientação: Joana Múrias Lage

Country
Portugal
Related Organizations
Keywords

ENGENHARIA DO AMBIENTE, POLUENTES AMBIENTAIS, SCHOOLS, ENVIRONMENTAL POLLUTANTS, QUALIDADE DO AR INTERIOR, MESTRADO EM ENGENHARIA DO AMBIENTE, ESCOLAS, INDOOR AIR QUALITY, ENVIRONMENTAL ENGINEERING

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green