Occupants' exposure to nitrogen dioxide (NO2) in European school and kindergarten buildings - A review

Heidi Salonen; Tunga Salthammer; Lidia Morawska

Occupants' exposure to nitrogen dioxide (NO2) in European school and kindergarten buildings - A review

Heidi Salonen^*
, Tunga Salthammer
, Lidia Morawska

^*Tämän työn vastaava kirjoittaja

Tutkimustuotos: Artikkeli kirjassa/konferenssijulkaisussa › Conference article in proceedings › Scientific › vertaisarvioitu

Abstrakti

The aim of this study was to summarize the extent of occupants' exposure to nitrogen dioxide (NO2) in European school and kindergarten buildings. Google Scholar and PubMed were used to search the literature. The calculated median, as well as the mean, concentrations of NO2 in school (median 20.8 µg/m³; mean 26.1 µg/m³) and kindergarten (median 17.2 µg/m³; mean 35.5 µg/m³) buildings were found to be below the World Health Organization (WHO)'s guideline of 40 µg/m³ for the annual mean NO2 concentration. However, mean O2 concentrations in many studies were over 40 µg/m³, indicating situations where the WHO guideline is exceeded. Outdoor levels of NO2 are a reliable predictor of indoor NO2 levels across seasons, with median Indoor/Outdoor (I/O) ratios of 0.7 and 0.8 in school and kindergarten environments, respectively. These findings support the importance of mitigation measures to reduce ambient NO2 levels, and to prevent high levels of NO2 exposure in school and kindergarten buildings.

Alkuperäiskieli	Englanti
Otsikko	16th Conference of the International Society of Indoor Air Quality and Climate
Alaotsikko	Creative and Smart Solutions for Better Built Environments, Indoor Air 2020
Kustantaja	Curran Associates Inc.
ISBN (elektroninen)	978-1-7138-2360-5
Tila	Julkaistu - 2020
OKM-julkaisutyyppi	A4 Artikkeli konferenssijulkaisussa
Tapahtuma	International Conference on Indoor Air Quality and Climate - Seoul, Etelä-Korea Kesto: 1 marrask. 2020 → 5 marrask. 2020 Konferenssinumero: 16 http://www.indoorair2020.org/

Conference

Conference	International Conference on Indoor Air Quality and Climate
Lyhennettä	Indoor Air
Maa/Alue	Etelä-Korea
Kaupunki	Seoul
Ajanjakso	01/11/2020 → 05/11/2020
www-osoite	http://www.indoorair2020.org/

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title = "Occupants' exposure to nitrogen dioxide (NO2) in European school and kindergarten buildings - A review",

abstract = "The aim of this study was to summarize the extent of occupants' exposure to nitrogen dioxide (NO2) in European school and kindergarten buildings. Google Scholar and PubMed were used to search the literature. The calculated median, as well as the mean, concentrations of NO2 in school (median 20.8 µg/m3; mean 26.1 µg/m3) and kindergarten (median 17.2 µg/m3; mean 35.5 µg/m3) buildings were found to be below the World Health Organization (WHO)'s guideline of 40 µg/m3 for the annual mean NO2 concentration. However, mean O2 concentrations in many studies were over 40 µg/m3, indicating situations where the WHO guideline is exceeded. Outdoor levels of NO2 are a reliable predictor of indoor NO2 levels across seasons, with median Indoor/Outdoor (I/O) ratios of 0.7 and 0.8 in school and kindergarten environments, respectively. These findings support the importance of mitigation measures to reduce ambient NO2 levels, and to prevent high levels of NO2 exposure in school and kindergarten buildings.",

keywords = "Indoor air, Indoor/Outdoor ratio, Kindergartens, Nitrogen dioxide (NO2), School buildings",

author = "Heidi Salonen and Tunga Salthammer and Lidia Morawska",

note = "Publisher Copyright: {\textcopyright} 2020 16th Conference of the International Society of Indoor Air Quality and Climate: Creative and Smart Solutions for Better Built Environments, Indoor Air 2020. All rights reserved.; International Conference on Indoor Air Quality and Climate, Indoor Air ; Conference date: 01-11-2020 Through 05-11-2020",

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language = "English",

booktitle = "16th Conference of the International Society of Indoor Air Quality and Climate",

publisher = "Curran Associates Inc.",

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}

Salonen, H, Salthammer, T & Morawska, L 2020, Occupants' exposure to nitrogen dioxide (NO2) in European school and kindergarten buildings - A review. julkaisussa 16th Conference of the International Society of Indoor Air Quality and Climate: Creative and Smart Solutions for Better Built Environments, Indoor Air 2020. Curran Associates Inc., International Conference on Indoor Air Quality and Climate, Seoul, Etelä-Korea, 01/11/2020.

Occupants' exposure to nitrogen dioxide (NO2) in European school and kindergarten buildings - A review. / Salonen, Heidi; Salthammer, Tunga; Morawska, Lidia.
16th Conference of the International Society of Indoor Air Quality and Climate: Creative and Smart Solutions for Better Built Environments, Indoor Air 2020. Curran Associates Inc., 2020.

Tutkimustuotos: Artikkeli kirjassa/konferenssijulkaisussa › Conference article in proceedings › Scientific › vertaisarvioitu

TY - GEN

T1 - Occupants' exposure to nitrogen dioxide (NO2) in European school and kindergarten buildings - A review

AU - Salonen, Heidi

AU - Salthammer, Tunga

AU - Morawska, Lidia

N1 - Conference code: 16

PY - 2020

Y1 - 2020

N2 - The aim of this study was to summarize the extent of occupants' exposure to nitrogen dioxide (NO2) in European school and kindergarten buildings. Google Scholar and PubMed were used to search the literature. The calculated median, as well as the mean, concentrations of NO2 in school (median 20.8 µg/m3; mean 26.1 µg/m3) and kindergarten (median 17.2 µg/m3; mean 35.5 µg/m3) buildings were found to be below the World Health Organization (WHO)'s guideline of 40 µg/m3 for the annual mean NO2 concentration. However, mean O2 concentrations in many studies were over 40 µg/m3, indicating situations where the WHO guideline is exceeded. Outdoor levels of NO2 are a reliable predictor of indoor NO2 levels across seasons, with median Indoor/Outdoor (I/O) ratios of 0.7 and 0.8 in school and kindergarten environments, respectively. These findings support the importance of mitigation measures to reduce ambient NO2 levels, and to prevent high levels of NO2 exposure in school and kindergarten buildings.

AB - The aim of this study was to summarize the extent of occupants' exposure to nitrogen dioxide (NO2) in European school and kindergarten buildings. Google Scholar and PubMed were used to search the literature. The calculated median, as well as the mean, concentrations of NO2 in school (median 20.8 µg/m3; mean 26.1 µg/m3) and kindergarten (median 17.2 µg/m3; mean 35.5 µg/m3) buildings were found to be below the World Health Organization (WHO)'s guideline of 40 µg/m3 for the annual mean NO2 concentration. However, mean O2 concentrations in many studies were over 40 µg/m3, indicating situations where the WHO guideline is exceeded. Outdoor levels of NO2 are a reliable predictor of indoor NO2 levels across seasons, with median Indoor/Outdoor (I/O) ratios of 0.7 and 0.8 in school and kindergarten environments, respectively. These findings support the importance of mitigation measures to reduce ambient NO2 levels, and to prevent high levels of NO2 exposure in school and kindergarten buildings.

KW - Indoor air

KW - Indoor/Outdoor ratio

KW - Kindergartens

KW - Nitrogen dioxide (NO2)

KW - School buildings

UR - https://www.scopus.com/pages/publications/85101658016

UR - https://www.proceedings.com/57711.html

M3 - Conference article in proceedings

AN - SCOPUS:85101658016

BT - 16th Conference of the International Society of Indoor Air Quality and Climate

PB - Curran Associates Inc.

T2 - International Conference on Indoor Air Quality and Climate

Y2 - 1 November 2020 through 5 November 2020

ER -

Occupants' exposure to nitrogen dioxide (NO2) in European school and kindergarten buildings - A review

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Conference

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