Indoor Air Quality Wiki - Recent changes [en-gb]

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IPChem Standards

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			Data generated within the [https://ediaqi.eu/ '''EDIAQI'''] project will be made accessible through [https://ipchem.jrc.ec.europa.eu/ '''IPCHEM'''] (the '''Information Platform for Chemical Monitoring'''). IPCHEM serves as the European reference access point for discovering, locating, and retrieving chemical occurrence data across various media, including the environment, humans, food/feed, products, and indoor air across the [[wikipedia:European_Union\|European Union]].

			'''IPCHEM''' is structured into '''four modules''' based on chemical monitoring data categorization:
			* '''Environmental monitoring'''
			* '''Human Biomonitoring'''
			* '''Food and Feed'''
			* '''Products and Indoor Air'''

	[[~~Category~~: ~~Data Management~~]]		The platform is operated by [[wikipedia:European_Commission\|European Commission]] Services in collaboration with several [[wikipedia:Agencies_of_the_European_Union\|European Union Agencies]].
	[https://ediaqi.eu/ '''EDIAQ'''I] project data will be made accessible through [https://ipchem.jrc.ec.europa.eu/ '''IPCHEM'''] which is the '''Information Platform for Chemical Monitoring''' and reference access point for locating and retrieving chemical occurrence data across various media (e.g. environment, human, food/feed, indoor air and products) in ~~the~~ [[wikipedia:~~European_Union~~\|European Union]].

	'''~~IPCHEM~~''' ~~is structured into~~ '''~~four modules~~'''~~, according to~~ the chemical ~~monitoring~~ data ~~categorisation:~~ '''~~Environmental monitoring~~''', '''~~Human Bio-Monitoring~~''', '''~~Food~~ and ~~Feed'''~~, '''~~Products~~''' ~~and~~ '''~~Indoor Air~~'''~~. The platform is being operated by the~~ [[wikipedia:~~European_Commission~~\|European Commission]] Services and the ~~[[wikipedia:Agencies_of_the_European_Union\|European Union Agencies]].~~		=== Purpose ===
			In alignment with the core objectives of the '''EDIAQI''' project, the '''IPCHEM''' platform addresses a critical gap in the European chemical policy knowledge base: the lack of integrated data on chemical exposure and resulting body burdens in humans and the environment.

			Additional core purposes of '''IPCHEM''' include:
			* Facilitating the discovery of chemical monitoring initiatives for specific substances and media.
			* Providing transparent access to the conditions of data use and data-sharing licensing for specific collections.
			* Supplying documentation on sampling strategies and analytical chemical methods used in each initiative.

			Through these functions, '''IPCHEM''' establishes a coordinated framework for collecting, storing, accessing, and evaluating data on the occurrence of individual chemicals and chemical mixtures. As highlighted in the European Commission Communication ''"The combination effects of chemicals – Chemical mixtures"'', this coordinated framework helps establish links between environmental exposure and epidemiological data, facilitating research into biological effects and supporting improved public health outcomes [1].

			=== Contributors and Data Ingestion ===
			Chemical occurrence data can be searched and retrieved via the [https://ipchem.jrc.ec.europa.eu/#discovery '''IPCHEM Search Engine''']. Primary data contributors to '''IPCHEM''' include:
			* Competent Authorities of [[wikipedia:Member_state_of_the_European_Union\|EU Member States]]
			* Universities and research institutions
			* International non-governmental organisations (NGOs)
			* Public and private bodies monitoring chemical occurrences
			* European Commission Services and decentralized EU Agencies (such as the EEA, ECHA, and EFSA)

	~~=== Purpose ===~~		Within the '''EDIAQI''' project framework (Work Package 4: Task 4.1 and Task 4.3), project partners regularly deliver validated chemical monitoring data to '''IPCHEM'''. Static and chemical dataset submissions follow standard IPCHEM metadata exchange templates and reporting protocols on an annual basis.
	~~In accordance with~~ the ~~main objective of~~ '''EDIAQI''' project ~~the '''IPCHEM''' platform addresses one of the major gaps in our knowledge base for chemical policies, which is the lack of information on exposure to chemicals and their burden in the human body~~ and ~~the environment~~. ~~Further purposes of '''IPCHEM''' are the discovery of a~~ chemical monitoring ~~initiative for a specific substance and/or media, the retrieval of information on the conditions of~~ data ~~use related~~ to ~~a specific data collection, and the access to and documentation on the sampling and analytical methods used in the specific monitoring initiative. Therefore,~~ '''IPCHEM''' ~~supports a coordinated approach for collecting, storing, accessing, and evaluating data related to occurrence of chemicals~~ and chemical ~~mixtures. "This would help identify links between exposure~~ and epidemiological data in order to explore potential biological effects and lead to improved health outcomes” as it is stated in the EC Communication “The combination effects of chemicals – Chemical mixtures”.[https://ipchem.jrc.ec.europa.eu/documents/IPCHEM_Quick_Reference_Guide_V4.~~pdf]~~

	=== ~~Contributors~~ ===		=== Data Availability and Interoperability ===
	~~Via [https://ipchem.jrc.ec.europa.eu/#discovery~~ '''IPCHEM ~~search engine~~'''~~] chemicals can be searched. Contributors~~ to '''~~IPCHEM~~'~~'' are~~ [[wikipedia:~~Member_state_of_the_European_Union~~\|~~EU Member States~~]] Competent Authorities, Universities and Research Institutions, International non-governmental organisations, public and private institution collecting chemical monitoring data, European Commission Services and European Executive and Decentralised Agencies. '''EDIAQI''' partners are contributing to '''IPCHEM''' by sharing the data via the three required '''IPCHEM''' forms on a regular basis once a year.		By default, chemical monitoring data hosted on the '''IPCHEM''' platform is accessible under the principles of Free, Full, Open, and Timely access, adhering to the ''European Strategy for Data'' and the [[wikipedia:Directive_on_the_re-use_of_public_sector_information\|Open Data Directive]].

	~~===~~ Data ~~Availability ===~~		Data entries are paired with standardized metadata to ensure complete interpretability and FAIR compliance (Findable, Accessible, Interoperable, and Reusable):
	~~By default~~, ~~the chemical monitoring data retrievable through the '''IPCHEM''' platform is made available to all user groups under the conditions of Free~~, ~~Full~~, ~~Open~~ and ~~Timely access according to the ''European strategy for data'' and the [[wikipedia~~:Directive_on_the_re-use_of_public_sector_information#cite_note-Open-4\|Open Data Directive.]] The data will be provided with all the necessary attributes to facilitate their interpretation and shall be accompanied by the [[wikipedia:~~Metadata~~\|~~metadata~~]] ~~to make them usable~~ and ~~understandable by the user or subject to specific conditions deriving from those exceptions~~. ~~All data~~ are ~~described with required metadata based on international~~, ~~standardized templates~~ (~~e.g.,~~ [[wikipedia:~~Dublin_Core~~\|~~Dublin Core~~]]) ~~or individual templates~~. ~~Moreover, data~~ are indexed and discoverable through ~~metadata~~ [[wikipedia:Elasticsearch\|~~ElasticSearch~~]].		* All datasets follow international metadata schemas such as [[wikipedia:Dublin_Core\|Dublin Core]] (ISO 15836) and DCAT-AP.
			* Measured chemical parameters are mapped to persistent identifiers and reference vocabularies, including the European Chemicals Agency ([[wikipedia:European_Chemicals_Agency\|ECHA]]) database and EIONET vocabularies.
			* Datasets are fully indexed and discoverable through [[wikipedia:Elasticsearch\|Elasticsearch]] metadata services.

	== References ==		== References ==
	1. [https://ipchem.jrc.ec.europa.eu/documents/IPCHEM_Quick_Reference_Guide_V4.pdf IPCHEM - Information Platform for Chemical Monitoring Quick ~~reference guide~~ for ~~end~~-~~users~~]		1. [https://ipchem.jrc.ec.europa.eu/documents/IPCHEM_Quick_Reference_Guide_V4.pdf IPCHEM - Information Platform for Chemical Monitoring: Quick Reference Guide for End-Users]

			[[Category:Sensors and Monitoring Methods]]
			[[Category:IAQ Policy and Guidelines]]

Understanding Indoor Air: Challenges and Differences from Outdoor Air

Ular.palmiste — Thu, 10 Sep 2026 11:38:38 GMT

Ular.palmiste deleted page Understanding Indoor Air: Challenges and Differences from Outdoor Air content before blanking was: "While the prevailing perception is that pollution primarily poses a risk outdoors(10), it is important to recognise that indoor environments can harbour pollution levels that are not only comparable but often exceed those found outdoors(11). Indoor Air Quality (IAQ) can be significantly compromised by elements like smoke, mould and chemicals present in certain paints, furnishings, and cleaning products(12). In contrast to ambient air quality, which pertains to o..."

10. Indoor Air Quality and the Sustainable Development Goals

Ular.palmiste — Thu, 10 Sep 2026 11:38:28 GMT

Ular.palmiste deleted page 10. Indoor Air Quality and the Sustainable Development Goals content before blanking was: "a Category: IAQ Policy Landscape"

I. WHO global air quality guidelines: particulate matter (PM2.5 and PM10), ozone, nitrogen dioxide, sulfur dioxide and carbon monoxide – 2021

Ular.palmiste — Thu, 10 Sep 2026 11:38:17 GMT

Ular.palmiste deleted page I. WHO global air quality guidelines: particulate matter (PM2.5 and PM10), ozone, nitrogen dioxide, sulfur dioxide and carbon monoxide – 2021 content was: "The 2021 WHO air quality guidelines encompass a comprehensive framework applicable to both outdoor and indoor environments, covering various settings where people spend their time107. While these guidelines extend to numerous contexts, they do not address occupational settings due to unique exposure characteristics and risk reduction policies, along with poten...", and the only contributor was "USEV" (talk)

M. European Parliament's Renewed Focus on Indoor Air Quality

Ular.palmiste — Thu, 10 Sep 2026 11:37:59 GMT

Ular.palmiste deleted page M. European Parliament's Renewed Focus on Indoor Air Quality content was: "In a significant '''Resolution of the European Parliament (A9-0037/2021)''', a renewed emphasis has been placed on the importance of IAQ. While the EU's framework for outdoor air quality policy is well-structured, the resolution acknowledges the fragmented nature of existing legislation covering IAQ. This recognition underlines the need for a more comprehensive European policy approach...", and the only contributor was "USEV" (talk)

9. WHO global air quality guidelines: particulate matter (PM2.5 and PM10), ozone, nitrogen dioxide, sulfur dioxide and carbon monoxide – 2021

Ular.palmiste — Thu, 10 Sep 2026 11:37:43 GMT

Ular.palmiste deleted page 9. WHO global air quality guidelines: particulate matter (PM2.5 and PM10), ozone, nitrogen dioxide, sulfur dioxide and carbon monoxide – 2021 content before blanking was: "The 2021 WHO air quality guidelines encompass a comprehensive framework applicable to both outdoor and indoor environments, covering various settings where people spend their time107. While these guidelines extend to numerous contexts, they do not address occupational settings due to unique exposure characteristics and risk reduction policies, along with potential differences in population susceptibility within the adult workforce<..."

7. International Normative Framework

Ular.palmiste — Thu, 10 Sep 2026 11:37:32 GMT

Ular.palmiste deleted page 7. International Normative Framework content before blanking was: "Air, vital for human existence, is acknowledged as a fundamental right. In this vein, the World Health Organisation Regional Office in Europe released its inaugural Air Quality Guidelines for Europe, assessing health risks posed by 28 chemical air pollutants(98). The second edition, published in 2000, expanded on these recommendations and introduced guideline values for additional substances, emphasising the need to mitigate health impl..."

6. Interplay Between Outdoor and Indoor Air Quality: The Dynamics of Sources, Ventilation, and Interactions

Ular.palmiste — Thu, 10 Sep 2026 11:37:24 GMT

Ular.palmiste deleted page 6. Interplay Between Outdoor and Indoor Air Quality: The Dynamics of Sources, Ventilation, and Interactions content before blanking was: "Despite the notion that opening a window can freshen the composition of indoor air, it is essential to recognise that outdoor air may contain a significant load of pollutants(88). Certain segments of the population, such as children, the elderly, pregnant women, and those with pre-existing health conditions, are particularly vulnerable to the adverse effects of air pollution on health(89). A notable concern is that individuals residing in low-income households a..."

4. Indoor Air Quality: Pollutants, Sources, and Influencing Factors

Ular.palmiste — Thu, 10 Sep 2026 11:37:16 GMT

Ular.palmiste deleted page 4. Indoor Air Quality: Pollutants, Sources, and Influencing Factors content before blanking was: "Indoor air quality is impacted by several pollutants and contaminants that are influenced by a multitude of factors, stemming from both indoor and outdoor sources(50). These sources include human activities such as smoking, burning solid fuels, cooking, and cleaning, as well as emissions from building materials, equipment, furniture, and biological contaminants like mould, viruses, and allergens. Common contaminants include: • ''' Allergens''', substances th..."

2. Understanding Indoor Air: Challenges and Differences from Outdoor Air

Ular.palmiste — Thu, 10 Sep 2026 11:37:06 GMT

Ular.palmiste deleted page 2. Understanding Indoor Air: Challenges and Differences from Outdoor Air content before blanking was: "While the prevailing perception is that pollution primarily poses a risk outdoors(10), it is important to recognise that indoor environments can harbour pollution levels that are not only comparable but often exceed those found outdoors(11). Indoor Air Quality (IAQ) can be significantly compromised by elements like smoke, mould and chemicals present in certain paints, furnishings, and cleaning products(12). In contrast to ambient air quality, which pertains to o..."

H. WHO Indoor Air Quality Guidelines, 2010

Ular.palmiste — Thu, 10 Sep 2026 11:36:56 GMT

Ular.palmiste deleted page H. WHO Indoor Air Quality Guidelines, 2010 content was: "The World Health Organisation IAQ guidelines aim to safeguard human health by providing health-based recommendations for appropriate fuels, technologies, and strategies within indoor environments, along with international exposure limits. Stressing the paramount importance of human health and potential indoor contaminants, the World Health Organisation has emphasised the significance o...", and the only contributor was "USEV" (talk)

B. esdds

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Ular.palmiste deleted page B. esdds content before blanking was: " Category: IAQ Policy Landscape"

A. des

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PM0.1

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	The legislated particle sizes are PM2.5 and PM10; although UFPs are among the most dangerous airborne pollutants, there are no regulatory standards to control UFP emissions.		The legislated particle sizes are PM2.5 and PM10; although UFPs are among the most dangerous airborne pollutants, there are no regulatory standards to control UFP emissions.
	[[Category: Indoor ~~air pollutants~~]]		[[Category:Indoor Air Pollutants]]

Dust microbiome

Ular.palmiste — Thu, 10 Sep 2026 11:35:40 GMT

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	~~[[Category: Indoor air pollutants]]~~
	People spend a significant amount of time indoors, especially within their homes, where they are exposed to a large number of microbes which can have important implications for their health. With the advancement of sequencing technologies, it is now possible to study the indoor microbiome and how it affects the inhabitants. House dust is the main reservoir of microbial taxa in the domestic environment. The amount and diversity of the microbiome in dust affect health, especially because dust-born microbes and their products suspend into the air and produce a significant indoor exposure by breathing.		People spend a significant amount of time indoors, especially within their homes, where they are exposed to a large number of microbes which can have important implications for their health. With the advancement of sequencing technologies, it is now possible to study the indoor microbiome and how it affects the inhabitants. House dust is the main reservoir of microbial taxa in the domestic environment. The amount and diversity of the microbiome in dust affect health, especially because dust-born microbes and their products suspend into the air and produce a significant indoor exposure by breathing.

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	* pets – contribute to higher microbial diversity, which reduces health risks		* pets – contribute to higher microbial diversity, which reduces health risks

	~~'''References~~:~~'''~~		[[Category:Indoor Air Pollutants]]

	~~Gangneux JP, Sassi M, Lemire P, Le Cann P. Metagenomic Characterization of~~ Indoor ~~Dust Bacterial and Fungal Microbiota in Homes of Asthma and Non-asthma Patients Using Next Generation Sequencing. Front Microbiol. 2020 Jul 30;11:1671. doi: 10.3389/fmicb.2020.01671.~~

	Gupta S, Hjelmsø MH, Lehtimäki J, Li X, Mortensen MS, Russel J, Trivedi U, Rasmussen MA, Stokholm J, Bisgaard H, Sørensen SJ. Environmental shaping of the bacterial and fungal community in infant bed dust and correlations with the airway microbiota. Microbiome. 2020 Aug 7;8(1):115. doi: 10.1186/s40168-020-00895-w.

	~~Shan Y, Wu W, Fan W, Haahtela T, Zhang G. House dust microbiome and human health risks. Int Microbiol. 2019 Sep;22(3):297-304. doi: 10.1007/s10123-019-00057-5.~~

House dust microbiome and human health risks

Ular.palmiste — Thu, 10 Sep 2026 11:34:46 GMT

Ular.palmiste deleted page House dust microbiome and human health risks content was: "https://link.springer.com/article/10.1007/s10123-019-00057-5", and the only contributor was "ANT" (talk)

Bioaerosols

Ular.palmiste — Thu, 10 Sep 2026 11:34:33 GMT

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	''Source: Camilla Vornanen-Winqvist. 2020. "Indoor air contaminants, symptoms and effects of mechanical ventilation in school buildings"''		''Source: Camilla Vornanen-Winqvist. 2020. "Indoor air contaminants, symptoms and effects of mechanical ventilation in school buildings"''
	[[Category: Indoor ~~air~~ pollutants]]		[[Category:Indoor Air pollutants]]
	__FORCETOC__		__FORCETOC__

"Category: Factors affecting indoor air quality"

Ular.palmiste — Thu, 10 Sep 2026 11:34:10 GMT

Ular.palmiste deleted page "Category: Factors affecting indoor air quality" content was: "", and the only contributor was "Kalle" (talk)

Data Management Plan

Ular.palmiste — Thu, 10 Sep 2026 11:33:37 GMT

Ular.palmiste deleted page Data Management Plan content was: " Category: Data Management [https://ediaqi.eu/ EDIAQI] project has started to conduct indoor air quality studies/pilots in several European cities, gather the data on the Know Data Platform (KDP) and share data on the [https://ipchem.jrc.ec.europa.eu/ IPCHEM Portal] and within the [https://www.idealcluster.eu/ IDEAL cluster]. As part of the wikipedia:European_Commission|European...", and the only contributor was "KNOW" (talk)

1.2. das

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Ular.palmiste deleted page 1.2. das content before blanking was: " Category: IAQ Policy Landscape"

1.10. des

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Ular.palmiste deleted page 1.10. des content before blanking was: " Category: IAQ Policy Landscape"

Types of sensor

Ular.palmiste — Thu, 10 Sep 2026 11:32:59 GMT

Ular.palmiste deleted page Types of sensor content was: "=== ''' Aranet 4 ''' === === ''' Short Description ''' === === ''' Parameters (accuracy)''' === === ''' Requirements''' === === ''' Maintenance/ Calibration ''' === === ''' Official Website ''' ===", and the only contributor was "USEV" (talk)

World Health Organization Guidelines

Ular.palmiste — Thu, 10 Sep 2026 11:22:55 GMT

Show changes

National IAQ Guidelines

Ular.palmiste — Thu, 10 Sep 2026 11:18:57 GMT

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Radon

Ular.palmiste — Thu, 10 Sep 2026 11:11:39 GMT

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	According to Council Directive 2013/59/Euratom of 5 December 2013 laying down basic safety standards for protection against the dangers arising from exposure to ionising radiation, and repealing Directives 89/618/Euratom, 90/641/Euratom, 96/29/Euratom, 97/43/Euratom and 2003/122/Euratom: The limit value for Radon is 300 Bq/m3 on an annual average.		According to Council Directive 2013/59/Euratom of 5 December 2013 laying down basic safety standards for protection against the dangers arising from exposure to ionising radiation, and repealing Directives 89/618/Euratom, 90/641/Euratom, 96/29/Euratom, 97/43/Euratom and 2003/122/Euratom: The limit value for Radon is 300 Bq/m3 on an annual average.
	[[Category: Indoor ~~air pollutants~~]]		[[Category:Indoor Air Pollutants]]

PM10

Ular.palmiste — Thu, 10 Sep 2026 11:11:24 GMT

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	According to DIRECTIVE 2008/50/EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe: The limit value for PM10 is 50 μg/m3 for 24 hours average and 40 μg/m3 on an annual average.		According to DIRECTIVE 2008/50/EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe: The limit value for PM10 is 50 μg/m3 for 24 hours average and 40 μg/m3 on an annual average.
	[[Category: Indoor ~~air pollutants~~]]		[[Category:Indoor Air Pollutants]]

	==References==		==References==
	{{reflist}}		{{reflist}}

PM2.5

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	According to DIRECTIVE 2008/50/EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe: The limit value for PM2.5 is 20 μg/m3 on an annual average.		According to DIRECTIVE 2008/50/EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe: The limit value for PM2.5 is 20 μg/m3 on an annual average.
	[[Category: Indoor ~~air pollutants~~]]		[[Category:Indoor Air Pollutants]]

CO

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	According to DIRECTIVE 2008/50/EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe: The limit value for CO is 10 mg/m3 for 8 hours average.		According to DIRECTIVE 2008/50/EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe: The limit value for CO is 10 mg/m3 for 8 hours average.
	[[Category: Indoor ~~air pollutants~~]]		[[Category:Indoor Air Pollutants]]

NO2

Ular.palmiste — Thu, 10 Sep 2026 11:10:52 GMT

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	According to both the World Health Organization and DIRECTIVE 2008/50/EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe: The limit value for NO2 is 200 μg/m3 for 1 hour average and 40 μg/m3 on an annual average.		According to both the World Health Organization and DIRECTIVE 2008/50/EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe: The limit value for NO2 is 200 μg/m3 for 1 hour average and 40 μg/m3 on an annual average.
	[[Category: Indoor ~~air pollutants~~]]		[[Category:Indoor Air Pollutants]]

O3

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	According to DIRECTIVE 2008/50/EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe: The limit value for O3 is 120 μg/m3 for 8 hours average.		According to DIRECTIVE 2008/50/EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe: The limit value for O3 is 120 μg/m3 for 8 hours average.
	[[Category: Indoor ~~air pollutants~~]]		[[Category:Indoor Air Pollutants]]

Trichloroethylene

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	According to the World Health Organization, since there is sufficient evidence that TCE is a genotoxic carcinogen, all indoor exposures are considered relevant and no threshold can be determined.		According to the World Health Organization, since there is sufficient evidence that TCE is a genotoxic carcinogen, all indoor exposures are considered relevant and no threshold can be determined.
	[[Category: Indoor ~~air pollutants~~]]		[[Category:Indoor Air Pollutants]]

Tetrachloroethylene

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	According to World Health Organization, the limit value for tetrachloroethylene is 0.25 mg/m3 on an annual average.		According to World Health Organization, the limit value for tetrachloroethylene is 0.25 mg/m3 on an annual average.
	[[Category: Indoor ~~air pollutants~~]]		[[Category:Indoor Air Pollutants]]

Polycyclic aromatic hydrocarbons

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	According to DIRECTIVE 2004/107/EC of the European Parliament and of the Council of 15 December 2004 relating to arsenic, cadmium, mercury, nickel and polycyclic aromatic hydrocarbons in ambient air: The limit value for Benzo(a)pyrene is 1 ng/m3 on an annual average. However, according to World Health Organization, no threshold can be determined and all indoor exposures are considered health relevant.		According to DIRECTIVE 2004/107/EC of the European Parliament and of the Council of 15 December 2004 relating to arsenic, cadmium, mercury, nickel and polycyclic aromatic hydrocarbons in ambient air: The limit value for Benzo(a)pyrene is 1 ng/m3 on an annual average. However, according to World Health Organization, no threshold can be determined and all indoor exposures are considered health relevant.
	[[Category: Indoor ~~air pollutants~~]]		[[Category:Indoor Air Pollutants]]

Naphthalene

Ular.palmiste — Thu, 10 Sep 2026 11:09:48 GMT

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	According to World Health Organization: The limit value for Naphthalene is 0.01 mg/m3 on an annual average.		According to World Health Organization: The limit value for Naphthalene is 0.01 mg/m3 on an annual average.
	[[Category: Indoor ~~air pollutants~~]]		[[Category:Indoor Air Pollutants]]

Particulate matter

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	''Source: Camilla Vornanen-Winqvist. 2020. "Indoor air contaminants, symptoms and effects of mechanical ventilation in school buildings"''		''Source: Camilla Vornanen-Winqvist. 2020. "Indoor air contaminants, symptoms and effects of mechanical ventilation in school buildings"''
	[[Category: Indoor ~~air pollutants~~]]		[[Category:Indoor Air Pollutants]]

Benzene

Ular.palmiste — Thu, 10 Sep 2026 11:09:26 GMT

← Older revision		Revision as of 11:09, 10 September 2026
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	According to DIRECTIVE 2008/50/EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe: The upper assessment threshold for Benzene is 70% of the limit value (3.5 µg/m3) on an annual average. Meanwhile, the lower assessment threshold is 40% of the limit value (2 µg/m3) for Benzene.		According to DIRECTIVE 2008/50/EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe: The upper assessment threshold for Benzene is 70% of the limit value (3.5 µg/m3) on an annual average. Meanwhile, the lower assessment threshold is 40% of the limit value (2 µg/m3) for Benzene.

	[[Category: Indoor ~~air pollutants~~]]		[[Category:Indoor Air Pollutants]]