Descripción de la calidad del aire y características ambientales en aulas de primaria de la Comunidad de Madrid

IF 1.5 4区医学 Q2 PEDIATRICS

Anales de pediatria Pub Date : 2025-03-01 DOI:10.1016/j.anpedi.2025.503792

Begoña Pérez-Moneo , María Aparicio Rodrigo , M.a Dolores Redondas Marrero , Kevin Sabariego Moreno , María del Mar Barbero Barrera

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Abstract

Introduction

Air quality in schools is a concern at the European level, and few data have been published on the subject in the Community of Madrid.

Material and methods

We conducted a longitudinal descriptive study on the presence and distribution of pollutants in four schools in Madrid selected on account of their location, exposure to traffic and proximity to green areas. We measured pollutants and assessed environmental characteristics in primary school classrooms. We measured pollutants with sensors over five data collection campaigns, each lasting two weeks. The obtained data were analyzed with the R software. We calculated the median, range and percentage of exceedance of recommended thresholds and assessed environmental conditions.

Results

We found levels of 2.5 μm particulate matter (PM) above the recommended threshold in 40% to 70% of the measurements. Volatile organic compounds (VOC) exceeded the recommended threshold in April in 41.52% of the measurements. The level of CO₂ exceeded the recommended threshold in three of the campaigns. There was broad variation in ultrafine particles. Temperature, CO₂, VOC, PM1, PM0.3 and PM2.5 levels were higher in occupied classrooms. Humidity was positively correlated to PM0.3, PM1 and PM2.5 levels and negatively correlated to ultrafine particle levels.

Conclusions

This is the first study to assess indoor pollutants and their concentration in schools in the Madrid region. We found levels of CO₂, PM2.5 and VOC exceeding the currently recommended thresholds.

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来源期刊

Anales de pediatria 医学-小儿科

CiteScore

2.10

自引率

4.80%

发文量

155

审稿时长

44 days

期刊介绍： La Asociación Española de Pediatría tiene como uno de sus objetivos principales la difusión de información científica rigurosa y actualizada sobre las distintas áreas de la pediatría. Anales de Pediatría es el Órgano de Expresión Científica de la Asociación y constituye el vehículo a través del cual se comunican los asociados. Publica trabajos originales sobre investigación clínica en pediatría procedentes de España y países latinoamericanos, así como artículos de revisión elaborados por los mejores profesionales de cada especialidad, las comunicaciones del congreso anual y los libros de actas de la Asociación, y guías de actuación elaboradas por las diferentes Sociedades/Secciones Especializadas integradas en la Asociación Española de Pediatría.