The Way of Usage and Location in a Big City Agglomeration as Impact Factors of the Nurseries Indoor Air Quality

Basińska, Małgorzata; Ratajczak, Katarzyna; Michałkiewicz, Michał; Fuć, Paweł; Siedlecki, Maciej

doi:10.3390/en14227534

Cited by 12 publications

(6 citation statements)

References 42 publications

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“…So, despite the operation of air purifiers, the amount of particulate matter in the indoor air could be even higher. Such a situation took place and has been confirmed by other research that was carried out in nurseries located in the same agglomeration as the studied school [33]. Although the research concerned facilities for smaller children, they can be treated as comparable, because nurseries are also facilities where a large number of people stay in a relatively small area.…”

Section: Discussionsupporting

confidence: 74%

Effect of Air Purifier Use in the Classrooms on Indoor Air Quality—Case Study

2021

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Dissatisfaction with indoor air quality is common even in relatively new or renovated Polish school buildings. To improve air quality in educational buildings, portable devices have seen increased use, for which manufacturers guarantee a high level of indoor air purification. However, their optimized operation largely depends on their correct use. The aim of this article was to determine the effectiveness of air purification in a primary school using an air purification device with an analysis of the classroom indoor air quality (IAQ). Two criteria were used, microbiological and particulate matter concentration. Measurements were made before device installation and during its continuous operation, and before and after lessons on chosen days. Measurements related to IAQ did not detect clear differences in the analyzed measurement periods. For microbiological contamination, in the morning before lessons, the total count for all bacteria and microscopic fungi was definitely lower than after lessons. Comparing the periods before and after device installation, no clear tendency for reducing the bacteria count or microscopic fungi occurred during air purifier operation, nor was there any noticeable trend in the reduction of particulate matter. There was no improvement in air quality in the classrooms during the operation of the purification devices.

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Section: Discussionsupporting

confidence: 74%

Effect of Air Purifier Use in the Classrooms on Indoor Air Quality—Case Study

2021

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“…An adequate ventilation system is a must if there is a designated sleep room. Using another location for naps assists any CO2 concentrations that may have accumulated in the classroom during the learning period to decrease before the next session [41].…”

Section: Suggestionsmentioning

confidence: 99%

Kindergarten physical setting guidelines: A review from indoor air quality perspectives

Zakaria,

Mahyuddin,

Mohd-Sahabuddin

2023

E3S Web of Conf.

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The kindergarten’s indoor air contained a number of pollutants, including total volatile organic compounds, particulate matter, carbon monoxide and insufficient ventilation with high carbon dioxide levels, which exceeded the indoor air quality (IAQ) guideline. The presence of these pollutants is caused by various factors including inappropriate physical setting. Indisputably, authorities throughout the countries provide guidelines for designing kindergartens' spaces, however it is limited to general explanations and only guided by early education compliance. It is vital to determine which kindergarten regulations may contribute to poor IAQ. This paper explores national kindergarten physical setting guidelines and how it affects IAQ. A document analysis method was used to determine the characteristics and differences between kindergarten guidelines. Firstly, the composition of each kindergarten guideline was itemised. Then, the study was conducted by making comparisons of the identified items. All the criteria were further reviewed from IAQ perspectives. This study was conducted on guidelines in Australia, Canada, the United States, Singapore and Malaysia. There are five physical setting requirements that influence IAQ : minimum indoor space required per child, sleep area, kitchen and food preparation area, ventilation requirements and furniture and finishes. All activities happen in this microenvironment contribute to IAQ, which is also affected by the ventilation system, furniture and finishes selection. It can be concluded that there is still room for improvement in existing guidelines by taking into account the indoor air perspective. Aside from the main function of kindergarten to provide education, the physical setting of kindergarten also plays a significant role in the growth and health of chidren.

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“…In nurseries A, B and D there is natural ventilation. Air quality tests conducted from December 2020 and June 2021 results are discussed in (Basińska et al, 2021). It has been shown that natural ventilation through airing and air inflow through Localisation of facilities as well as the climate parameters are described in Section S1 of Supplementary materials 2.2.…”

Section: Characteristics Of Nurseriesmentioning

confidence: 99%

“…In Poland, this problem occurs from October to April and it is related to the heating season. More detailed analyzes are presented in (Basińska et al, 2021). The conclusions from those studies indicate that airing the rooms, although it leads to a reduction in CO2 concentration, may deteriorate air quality in terms of particulate matter, which is not good for health.…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Ventilation Strategy for Proper IAQ in Existing Nurseries Buildings - Lesson Learned from the Research during COVID-19 Pandemic

Ratajczak

2022

Aerosol Air Qual. Res.

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During the COVID-19 pandemic, many recommendations were made in the field of limiting the transmission of the SARS-CoV-2 virus, from which we can learn a lesson for determining ventilation strategies in strategic types of buildings (those whose closure during a pandemic is harmful to the economy, e.g. nurseries). The research was aimed at identifying recommendations in the field of ventilation and proposing a solution that would be applicable in existing buildings intended for the care of small children, and which would ensure the proper quality of the building environment, at the same time with low costs incurred by the owners. The outside air pollution (PM10) and the climate in winter (low air temperature) were also taken into account. A strategy was proposed based on the use of decentralized units, dedicated to single rooms, thanks to which the appropriate amount of air is supplied (per person), the air is cleaned and heated in the heat recovery exchanger. It has been shown that the use of heat recovery ensures that the costs of air heating will be significantly lower than during airing. The proposed solutions require two holes in the external wall with a diameter of 160-200mm (depending on the number of people), which guarantees the technically possible application in existing buildings. The strategy provides suitable conditions for the functioning of nurseries, but can be used in many types of buildings, in cold and temperate climates, where airing of the rooms during winter is not possible, especially in the case of locations where the quality of outdoor air is very poor. The proposed strategy may be applied during a pandemic, but also on a daily basis, because by ensuring the proper quality of indoor air, young children will have healthy and hygienic conditions for development when they are not at home.

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The Way of Usage and Location in a Big City Agglomeration as Impact Factors of the Nurseries Indoor Air Quality

Cited by 12 publications

References 42 publications

Effect of Air Purifier Use in the Classrooms on Indoor Air Quality—Case Study

Effect of Air Purifier Use in the Classrooms on Indoor Air Quality—Case Study

Kindergarten physical setting guidelines: A review from indoor air quality perspectives

Ventilation Strategy for Proper IAQ in Existing Nurseries Buildings - Lesson Learned from the Research during COVID-19 Pandemic

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