World Health Organization Guidelines - Revision history

Ular.palmiste: /* 1987: Air Quality Guidelines for Europe */

2025-05-06T08:57:21Z

1987: Air Quality Guidelines for Europe

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	\| bodystyle = width: 250px; float:right; clear:right;		\| bodystyle = width: 250px; float:right; clear:right;
	\| title = EDIAQI Project		\| title = EDIAQI Project
	\| image = [[File:WHO_1987.jpg\|100px~~\|center~~\|link=https://iris.who.int/handle/10665/107364]]		\| image = [[File:WHO_1987.jpg\|100px\|link=https://iris.who.int/handle/10665/107364]]
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Ular.palmiste: /* 1987: Air Quality Guidelines for Europe */

2025-05-06T08:54:43Z

1987: Air Quality Guidelines for Europe

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	=== 1987: Air Quality Guidelines for Europe<ref name="WHO_1987"></ref> ===		=== 1987: Air Quality Guidelines for Europe<ref name="WHO_1987"></ref> ===
	{{Side box		{{Side box
	\| bodystyle = width: ~~150px~~; float:right; clear:right;		\| bodystyle = width: 250px; float:right; clear:right;
	\| title = EDIAQI Project		\| title = EDIAQI Project
	\| image = [[File:WHO_1987.jpg\|100px\|link=https://iris.who.int/handle/10665/107364]]		\| image = [[File:WHO_1987.jpg\|100px\|center\|link=https://iris.who.int/handle/10665/107364]]
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	}}		}}

Ular.palmiste: /* Evolution of WHO Air Quality Guidelines */

2025-05-06T08:49:40Z

Evolution of WHO Air Quality Guidelines

Ular.palmiste: /* 1987: Air Quality Guidelines for Europe */

2025-05-06T08:49:16Z

1987: Air Quality Guidelines for Europe

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	}}		}}
	This first edition assessed 28 chemical contaminants, recognizing the importance of indoor air quality and including pollutants often found indoors. It established different approaches for non-carcinogens (threshold-based guideline values) and carcinogens (risk estimation).		This first edition assessed 28 chemical contaminants, recognizing the importance of indoor air quality and including pollutants often found indoors. It established different approaches for non-carcinogens (threshold-based guideline values) and carcinogens (risk estimation).
			<div style="clear: both;"></div>

	=== 2000: Air Quality Guidelines for Europe (Second Edition)<ref name="WHO_2000"></ref> ===		=== 2000: Air Quality Guidelines for Europe (Second Edition)<ref name="WHO_2000"></ref> ===

Ular.palmiste: /* Evolution of WHO Air Quality Guidelines */

2025-05-06T08:47:42Z

Evolution of WHO Air Quality Guidelines

← Older revision		Revision as of 08:47, 6 May 2025
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	=== 1987: Air Quality Guidelines for Europe<ref name="WHO_1987"></ref> ===		=== 1987: Air Quality Guidelines for Europe<ref name="WHO_1987"></ref> ===
	{{Side box		{{Side box
	\| bodystyle = width: ~~250px~~; float:right; clear:right;		\| bodystyle = width: 150px; float:right; clear:right;
	\| title = EDIAQI Project		\| title = EDIAQI Project
	\| image = [[File:WHO_1987.jpg\|100px\|link=https://iris.who.int/handle/10665/107364]]		\| image = [[File:WHO_1987.jpg\|100px\|link=https://iris.who.int/handle/10665/107364]]

Ular.palmiste: /* Evolution of WHO Air Quality Guidelines */

2025-05-06T08:46:11Z

Evolution of WHO Air Quality Guidelines

Ular.palmiste: /* Evolution of WHO Air Quality Guidelines */

2025-05-06T08:37:56Z

Evolution of WHO Air Quality Guidelines

← Older revision		Revision as of 08:37, 6 May 2025
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	\| bodystyle = width: 250px; float:right; clear:right;		\| bodystyle = width: 250px; float:right; clear:right;
	\| title = EDIAQI Project		\| title = EDIAQI Project
	\| image = [[File:WHO_1987.jpg\|~~200px~~\|link=https://iris.who.int/handle/10665/107364]]		\| image = [[File:WHO_1987.jpg\|100px\|link=https://iris.who.int/handle/10665/107364]]
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			'''Publication<ref name="WHO_2010"></ref> '''
	}}This first edition assessed 28 chemical contaminants, recognizing the importance of indoor air quality and including pollutants often found indoors. It established different approaches for non-carcinogens (threshold-based guideline values) and carcinogens (risk estimation).		}}
			This first edition assessed 28 chemical contaminants, recognizing the importance of indoor air quality and including pollutants often found indoors. It established different approaches for non-carcinogens (threshold-based guideline values) and carcinogens (risk estimation).

	=== 2000: Air Quality Guidelines for Europe (Second Edition) ===		=== 2000: Air Quality Guidelines for Europe (Second Edition) ===

Ular.palmiste: /* 1987: Air Quality Guidelines for Europe */

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1987: Air Quality Guidelines for Europe

← Older revision		Revision as of 07:57, 25 April 2025
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	\| bodystyle = width: 250px; float:right; clear:right;		\| bodystyle = width: 250px; float:right; clear:right;
	\| title = EDIAQI Project		\| title = EDIAQI Project
	\| image = [[File:WHO_1987.jpg\|200px]]		\| image = [[File:WHO_1987.jpg\|200px\|link=https://iris.who.int/handle/10665/107364]]
	\| below =		\| below =
	~~'''Link'''~~
	* '''[https://ediaqi.eu/pilots/ferrara-pilot Air Quality Guidelines for Europe]'''

	}}This first edition assessed 28 chemical contaminants, recognizing the importance of indoor air quality and including pollutants often found indoors. It established different approaches for non-carcinogens (threshold-based guideline values) and carcinogens (risk estimation).		}}This first edition assessed 28 chemical contaminants, recognizing the importance of indoor air quality and including pollutants often found indoors. It established different approaches for non-carcinogens (threshold-based guideline values) and carcinogens (risk estimation).

Ular.palmiste: /* 1987: Air Quality Guidelines for Europe */

2025-04-25T07:56:03Z

1987: Air Quality Guidelines for Europe

← Older revision		Revision as of 07:56, 25 April 2025
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	\| bodystyle = width: 250px; float:right; clear:right;		\| bodystyle = width: 250px; float:right; clear:right;
	\| title = EDIAQI Project		\| title = EDIAQI Project
	\| image = [[File:WHO_1987.jpg\|200px~~\|link=https://ediaqi.eu/pilots/ferrara-pilot~~]]		\| image = [[File:WHO_1987.jpg\|200px]]
	\| below =		\| below =
	'''Link'''		'''Link'''

Ular.palmiste: /* 1987: Air Quality Guidelines for Europe */

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1987: Air Quality Guidelines for Europe

← Older revision		Revision as of 07:54, 25 April 2025
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	\| below =		\| below =
	'''Link'''		'''Link'''
	* '''[https://ediaqi.eu/pilots/ferrara-pilot ~~Ferrara Pilot Website~~]'''		* '''[https://ediaqi.eu/pilots/ferrara-pilot Air Quality Guidelines for Europe]'''

	}}This first edition assessed 28 chemical contaminants, recognizing the importance of indoor air quality and including pollutants often found indoors. It established different approaches for non-carcinogens (threshold-based guideline values) and carcinogens (risk estimation).		}}This first edition assessed 28 chemical contaminants, recognizing the importance of indoor air quality and including pollutants often found indoors. It established different approaches for non-carcinogens (threshold-based guideline values) and carcinogens (risk estimation).

← Older revision		Revision as of 08:49, 6 May 2025
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	=== 2000: Air Quality Guidelines for Europe (Second Edition)<ref name="WHO_2000"></ref> ===		=== 2000: Air Quality Guidelines for Europe (Second Edition)<ref name="WHO_2000"></ref> ===
	This edition updated the previous guidelines, reflecting new scientific data and risk assessment methodologies. It expanded the list of pollutants and included a dedicated section on indoor air pollutants like environmental tobacco smoke (ETS), man-made vitreous fibres, and radon. The applicability of guidelines to both indoor and outdoor air (except where specified) was maintained.		This edition updated the previous guidelines, reflecting new scientific data and risk assessment methodologies. It expanded the list of pollutants and included a dedicated section on indoor air pollutants like environmental tobacco smoke (ETS), man-made vitreous fibres, and radon. The applicability of guidelines to both indoor and outdoor air (except where specified) was maintained.
			<div style="clear: both;"></div>
	=== 2005: Global Update (AQG 2005)<ref name="WHO_2005"></ref> ===		=== 2005: Global Update (AQG 2005)<ref name="WHO_2005"></ref> ===
	Focused on particulate matter (PM), ozone (O3), nitrogen dioxide (NO2), and sulfur dioxide (SO2), providing updated guideline levels applicable globally and in all environments, including indoors. It introduced the concept of interim targets for PM, ozone, and SO2 as steps for highly polluted areas.		Focused on particulate matter (PM), ozone (O3), nitrogen dioxide (NO2), and sulfur dioxide (SO2), providing updated guideline levels applicable globally and in all environments, including indoors. It introduced the concept of interim targets for PM, ozone, and SO2 as steps for highly polluted areas.
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	=== 2009: WHO Guidelines for Indoor Air Quality: Dampness and Mould<ref name="WHO_2009"></ref> ===		=== 2009: WHO Guidelines for Indoor Air Quality: Dampness and Mould<ref name="WHO_2009"></ref> ===
	Addressed biological contaminants, concluding that sufficient evidence links dampness and mould to respiratory symptoms, allergies, and asthma exacerbation. Due to the complexity of microbial exposures, it recommended preventing/minimizing dampness and microbial growth rather than setting numerical limits for biological agents.		Addressed biological contaminants, concluding that sufficient evidence links dampness and mould to respiratory symptoms, allergies, and asthma exacerbation. Due to the complexity of microbial exposures, it recommended preventing/minimizing dampness and microbial growth rather than setting numerical limits for biological agents.
			<div style="clear: both;"></div>
	=== 2010: WHO Guidelines for Indoor Air Quality: Selected Pollutants<ref name="WHO_2010"></ref> ===		=== 2010: WHO Guidelines for Indoor Air Quality: Selected Pollutants<ref name="WHO_2010"></ref> ===
	Provided specific guideline values or risk estimates for nine key indoor pollutants: benzene, carbon monoxide (CO), formaldehyde, naphthalene, nitrogen dioxide (NO2), polycyclic aromatic hydrocarbons (PAHs), radon, trichloroethylene (TCE), and tetrachloroethylene.		Provided specific guideline values or risk estimates for nine key indoor pollutants: benzene, carbon monoxide (CO), formaldehyde, naphthalene, nitrogen dioxide (NO2), polycyclic aromatic hydrocarbons (PAHs), radon, trichloroethylene (TCE), and tetrachloroethylene.
			<div style="clear: both;"></div>
	=== 2014: WHO Guidelines for Indoor Air Quality: Household Fuel Combustion<ref name="WHO_2014"></ref> ===		=== 2014: WHO Guidelines for Indoor Air Quality: Household Fuel Combustion<ref name="WHO_2014"></ref> ===
	Focused specifically on the significant health risks from burning solid fuels and kerosene in households, providing emission rate targets (ERTs) for stoves and fuels needed to meet WHO AQG levels for PM2.5 and CO. It strongly discouraged the household use of unprocessed coal and kerosene.		Focused specifically on the significant health risks from burning solid fuels and kerosene in households, providing emission rate targets (ERTs) for stoves and fuels needed to meet WHO AQG levels for PM2.5 and CO. It strongly discouraged the household use of unprocessed coal and kerosene.
			<div style="clear: both;"></div>
	=== 2021: WHO Global Air Quality Guidelines<ref name="WHO_2021"></ref> ===		=== 2021: WHO Global Air Quality Guidelines<ref name="WHO_2021"></ref> ===
	Provided updated, lower AQG levels for PM2.5, PM10, O3, NO2, SO2, and CO, based on a substantial increase in evidence showing adverse health effects at lower concentrations than previously understood. It retained the concept of interim targets and added good practice statements for specific PM types like black carbon/elemental carbon (BC/EC), ultrafine particles (UFP), and sand/dust storm particles.		Provided updated, lower AQG levels for PM2.5, PM10, O3, NO2, SO2, and CO, based on a substantial increase in evidence showing adverse health effects at lower concentrations than previously understood. It retained the concept of interim targets and added good practice statements for specific PM types like black carbon/elemental carbon (BC/EC), ultrafine particles (UFP), and sand/dust storm particles.

← Older revision		Revision as of 08:46, 6 May 2025
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	WHO's concern with air pollution dates back decades. Key milestones relevant to IAQ include:		WHO's concern with air pollution dates back decades. Key milestones relevant to IAQ include:

	=== 1987: Air Quality Guidelines for Europe ===		=== 1987: Air Quality Guidelines for Europe<ref name="WHO_1987"></ref> ===
	{{Side box		{{Side box
	\| bodystyle = width: 250px; float:right; clear:right;		\| bodystyle = width: 250px; float:right; clear:right;
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	\| image = [[File:WHO_1987.jpg\|100px\|link=https://iris.who.int/handle/10665/107364]]		\| image = [[File:WHO_1987.jpg\|100px\|link=https://iris.who.int/handle/10665/107364]]
	\| below =		\| below =

	~~'''Publication<ref name="WHO_2010"></ref> '''~~
	}}		}}
	This first edition assessed 28 chemical contaminants, recognizing the importance of indoor air quality and including pollutants often found indoors. It established different approaches for non-carcinogens (threshold-based guideline values) and carcinogens (risk estimation).		This first edition assessed 28 chemical contaminants, recognizing the importance of indoor air quality and including pollutants often found indoors. It established different approaches for non-carcinogens (threshold-based guideline values) and carcinogens (risk estimation).

	=== 2000: Air Quality Guidelines for Europe (Second Edition) ===		=== 2000: Air Quality Guidelines for Europe (Second Edition)<ref name="WHO_2000"></ref> ===
	This edition updated the previous guidelines, reflecting new scientific data and risk assessment methodologies. It expanded the list of pollutants and included a dedicated section on indoor air pollutants like environmental tobacco smoke (ETS), man-made vitreous fibres, and radon. The applicability of guidelines to both indoor and outdoor air (except where specified) was maintained.		This edition updated the previous guidelines, reflecting new scientific data and risk assessment methodologies. It expanded the list of pollutants and included a dedicated section on indoor air pollutants like environmental tobacco smoke (ETS), man-made vitreous fibres, and radon. The applicability of guidelines to both indoor and outdoor air (except where specified) was maintained.

	=== 2005: Global Update (AQG 2005) ===		=== 2005: Global Update (AQG 2005)<ref name="WHO_2005"></ref> ===
	Focused on particulate matter (PM), ozone (O3), nitrogen dioxide (NO2), and sulfur dioxide (SO2), providing updated guideline levels applicable globally and in all environments, including indoors. It introduced the concept of interim targets for PM, ozone, and SO2 as steps for highly polluted areas.		Focused on particulate matter (PM), ozone (O3), nitrogen dioxide (NO2), and sulfur dioxide (SO2), providing updated guideline levels applicable globally and in all environments, including indoors. It introduced the concept of interim targets for PM, ozone, and SO2 as steps for highly polluted areas.

	=== 2009: WHO Guidelines for Indoor Air Quality: Dampness and Mould ===		=== 2009: WHO Guidelines for Indoor Air Quality: Dampness and Mould<ref name="WHO_2009"></ref> ===
	Addressed biological contaminants, concluding that sufficient evidence links dampness and mould to respiratory symptoms, allergies, and asthma exacerbation. Due to the complexity of microbial exposures, it recommended preventing/minimizing dampness and microbial growth rather than setting numerical limits for biological agents.		Addressed biological contaminants, concluding that sufficient evidence links dampness and mould to respiratory symptoms, allergies, and asthma exacerbation. Due to the complexity of microbial exposures, it recommended preventing/minimizing dampness and microbial growth rather than setting numerical limits for biological agents.

	=== 2010: WHO Guidelines for Indoor Air Quality: Selected Pollutants ===		=== 2010: WHO Guidelines for Indoor Air Quality: Selected Pollutants<ref name="WHO_2010"></ref> ===
	Provided specific guideline values or risk estimates for nine key indoor pollutants: benzene, carbon monoxide (CO), formaldehyde, naphthalene, nitrogen dioxide (NO2), polycyclic aromatic hydrocarbons (PAHs), radon, trichloroethylene (TCE), and tetrachloroethylene.		Provided specific guideline values or risk estimates for nine key indoor pollutants: benzene, carbon monoxide (CO), formaldehyde, naphthalene, nitrogen dioxide (NO2), polycyclic aromatic hydrocarbons (PAHs), radon, trichloroethylene (TCE), and tetrachloroethylene.

	=== 2014: WHO Guidelines for Indoor Air Quality: Household Fuel Combustion ===		=== 2014: WHO Guidelines for Indoor Air Quality: Household Fuel Combustion<ref name="WHO_2014"></ref> ===
	Focused specifically on the significant health risks from burning solid fuels and kerosene in households, providing emission rate targets (ERTs) for stoves and fuels needed to meet WHO AQG levels for PM2.5 and CO. It strongly discouraged the household use of unprocessed coal and kerosene.		Focused specifically on the significant health risks from burning solid fuels and kerosene in households, providing emission rate targets (ERTs) for stoves and fuels needed to meet WHO AQG levels for PM2.5 and CO. It strongly discouraged the household use of unprocessed coal and kerosene.

	=== 2021: WHO Global Air Quality Guidelines ===		=== 2021: WHO Global Air Quality Guidelines<ref name="WHO_2021"></ref> ===
	Provided updated, lower AQG levels for PM2.5, PM10, O3, NO2, SO2, and CO, based on a substantial increase in evidence showing adverse health effects at lower concentrations than previously understood. It retained the concept of interim targets and added good practice statements for specific PM types like black carbon/elemental carbon (BC/EC), ultrafine particles (UFP), and sand/dust storm particles.		Provided updated, lower AQG levels for PM2.5, PM10, O3, NO2, SO2, and CO, based on a substantial increase in evidence showing adverse health effects at lower concentrations than previously understood. It retained the concept of interim targets and added good practice statements for specific PM types like black carbon/elemental carbon (BC/EC), ultrafine particles (UFP), and sand/dust storm particles.