Lead Image
No image
Lead Image Caption
Metadata
DPSIR
State
Typology
Performance indicator (Type B - Does it matter?)
UN SDGs
SDG3: Good health and well-being
Topics
Air pollution , Agriculture and food , Nature protection and restoration
Temporal coverage
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Geographic coverage
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Workflow
Content responsible Head of Group
Ian Marnane
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Supporting information
Methodology
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"text": "AOT40 estimated values are calculated from hourly data"
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"footnote": "<?xml version=\"1.0\"?>\n<div class=\"csl-bib-body\" style=\"line-height: 1.35; \">\n <div class=\"csl-entry\">EU, 2008, 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</div>\n</div>\n",
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"text": "at all rural background stations available in the "
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"text": " (former\u00a0AirBase). Only data series with more than 75% valid data are considered."
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"text": "The AOT40 maps have been created by combining measurement data from the rural background stations combined with the results of the\u00a0"
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"text": " Ensemble chemical transport model, altitude field and surface solar radiation in a linear regression model, followed by the interpolation of its residuals by ordinary kriging. For altitude, dataset GMTED2010 (Multi-resolution Terrain Elevation Data 2010) at a resolution of 15 arcseconds has been used. The solar radiation has been obtained from\u00a0"
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"text": "'s Climate Data Store (CDS). Kriging is a method of "
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"footnote": "<?xml version=\"1.0\"?>\n<div class=\"csl-bib-body\" style=\"line-height: 1.35; \">\n <div class=\"csl-entry\">Cressie, N. A. C., 1993, <i>Statistics for spatial data</i>, John Wiley & Sons, Inc., New York, NY.</div>\n</div>\n",
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"text": " that makes use of spatial autocorrelation (the statistical relationship between the monitoring points expressed in the form of variograms). Kriging weights the surrounding measured values to derive an interpolation for each location. The weights are based (i) on the distance between the measured points and the interpolated point, and (ii) on the overall spatial arrangement among the measured points. The type of kriging at its parameters (in particular the parameters describing the semivariogram) is chosen in order to minimise the RMS error. For details on the methodology, see "
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"text": "ETC HE Report 2024/4."
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"url": "https://www.eionet.europa.eu/etcs/etc-he/products/etc-he-products/etc-he-reports/etc-he-report-2023-3-air-quality-maps-of-eea-member-and-cooperating-countries-for-2021-pm10-pm2-5-o3-no2-nox-and-bap-spatial-estimates-and-their-uncertainties"
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"text": "The AOT40 maps in 2km resolution have been overlayed in a geographical information system with the land cover "
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"text": " in order\u00a0to generate maps for the agricultural area at risk due to ozone exposure. Exposure of the agricultural area (defined as the CORINE land cover level-1 class 2 Agricultural areas, encompassing the level-2 classes 2.1 Arable land, 2.2 Permanent crops, 2.3 Pastures and 2.4 Heterogeneous agricultural areas) and forest areas (defined as the CORINE land cover level-2 class 3.1. Forests) have been calculated at the country-level. The maps have been regularly constructed since 2005, \u00a0maps for earlier years were recalculated for AOT40 for vegetation (used for the ozone exposure of agricultural crops in Figure 1), but not for AOT40 for forests (used for the ozone exposure of forests in Figure 2). "
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"text": "AOT40 is used to be in line with the Air Quality directives ("
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"text": "EU, 2008"
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"text": ". However, in the framework of the "
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"text": "UNECE Air Convention"
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"data": {
"url": "https://www.umweltbundesamt.de/sites/default/files/medien/11850/publikationen/109_2023_texte_manual_on_methodologies_and_criteria_for_modelling_and_mapping_critical_loads_.pdf"
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{
"text": " , there is another metric that is been used for ozone risk analysis based on effective absorbed dose by plants, the PODy (Phytotoxic Ozone Dose, cumulative stomatal ozone flux). This metric is also used in the EU\u2019s National Emission Ceilings Directive (2016/2284) for monitoring air pollution impacts on ecosystems. PODy is more biologically relevant since it provides an estimate of the amount of ozone entering the leaf pores (effective dose) and causing damage to the plant. PODy takes into account the variation in stomatal opening and closing with climatic, soil and plant factors, meaning that this metric, PODy, includes the variability of meteorological conditions not only under current situations but also under medium to long-term climate changes. Therefore, the evaluation of the risk of effects using the "
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"type": "link"
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"text": " may give different results regarding the area with critical levels exceedances with respect to those estimated with AOT40, as well as in the trends. "
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"text": "In the AOT40-mapping, T\u00fcrkiye has been excluded up to 2015 (the 2016 map was the first time it was included) due to the lack of reported measurements at rural background stations. In the exposure estimates, the number of countries has been growing since 2004. Figures 1 and 2 show the situation in individual years and not a trend."
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Data sources and providers
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"title": "Air Quality e-Reporting: Air quality annual statistics calculated by the EEA",
"link": "https://www.eea.europa.eu/en/datahub/datahubitem-view/3b390c9c-f321-490a-b25a-ae93b2ed80c1?activeAccordion=1084370%2C1084346",
"organisation": "European Environment Agency (EEA)"
},
{
"@id": "3a8244d7-6d7e-4a82-b6e2-0f8124fadfa5",
"title": "O3, European air quality data for 2022, (interpolated data), June 2024",
"link": "https://www.eea.europa.eu/en/datahub/datahubitem-view/c816f363-a892-4f62-86d1-0460437bc023?activeAccordion=1092388",
"organisation": "European Environment Agency (EEA)"
}
]
}
Definition
[
{
"children": [
{
"text": "This indicator shows the exposure of areas covered with specific vegetation (crops and forests) to ground-level ozone."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "Ground-level ozone is one of the most prominent air pollution problems in Europe, mainly due to its effects on human health, crops and natural ecosystems. When absorbed by plants, it damages plant cells, impairing their ability to grow and reproduce, and leading to reduced agricultural crop yields, decreased forest growth and reduced biodiversity."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "The risk is estimated by reference to either a target value and a long-term objective, or to the 'critical level' for ozone for each location. The target value and the long-term objective are levels fixed with the aim of avoiding, preventing or reducing harmful effects on the environment. For ozone, the critical level is a concentration in the atmosphere, above which direct adverse effects on receptors, such as human beings, plants, ecosystems or materials, may occur according to present knowledge"
},
{
"children": [
{
"text": " "
}
],
"data": {
"footnote": "<?xml version=\"1.0\"?>\n<div class=\"csl-bib-body\" style=\"line-height: 1.35; \">\n <div class=\"csl-entry\">Loran, C., 2019, 'Manual for Modelling and Mapping Critical Loads & Levels', <i>Umweltbundesamt</i> (https://www.umweltbundesamt.de/en/manual-for-modelling-mapping-critical-loads-levels) accessed December 15, 2021.</div>\n</div>\n",
"footnoteTitle": "Loran, Christin, 2019, Manual for Modelling and Mapping Critica",
"uid": "l_Idk",
"zoteroId": "AY7IDVEN"
},
"type": "zotero"
},
{
"text": "."
}
],
"type": "p"
}
]
Unit of measure
[
{
"children": [
{
"children": [
{
"text": "Ozone concentrations: micrograms of ozone per cubic meter (\u00b5g/m\u00b3) or parts per billion (ppb). Note: 1ppb ~\u00a02\u00b5g/m\u00b3."
}
],
"type": "li"
},
{
"children": [
{
"text": "AOT40 (Accumulated ozone exposure over a threshold of 40 parts per billion): (\u03bcg/m"
},
{
"children": [
{
"text": ""
}
],
"type": "i"
},
{
"text": "\u00b3)\u00b7hours."
}
],
"type": "li"
},
{
"children": [
{
"text": "For the risk of ozone damage due to ozone exposure, a percentage (%) of the total agricultural/forest area in each country in excess of the reference level is calculated."
}
],
"type": "li"
}
],
"type": "ul"
}
]
Policy / environmental relevance
[
{
"children": [
{
"text": "This indicator provides relevant information for the "
},
{
"children": [
{
"text": "EU's Eighth Environmental Action Programme "
}
],
"data": {
"url": "https://environment.ec.europa.eu/strategy/environment-action-programme-2030_en"
},
"type": "link"
},
{
"text": "(8th EAP). The 8th EAP supports the objectives of the European Green Deal in line with the long-term objective to live well, within the planetary boundaries by 2050 at the latest, as already established in the 7th EAP. "
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "The 8th EAP aims to accelerate the green transition to a climate-neutral, sustainable, non-toxic, resource-efficient, renewable energy-based, resilient and competitive circular economy in a just, equitable and inclusive way, and to protect, restore and improve the state of the environment by, inter alia, halting and reversing biodiversity loss. It supports and strengthens an integrated policy and implementation approach, building upon the "
},
{
"type": "link",
"data": {
"url": "https://commission.europa.eu/strategy-and-policy/priorities-2019-2024/european-green-deal_en"
},
"children": [
{
"text": "European Green Deal"
}
]
},
{
"text": ". "
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "Internationally, a first step to address air-pollution related impacts on health and the environment was the 1979 United Nations Economic Commission for Europe (UNECE) Geneva Convention on Long-range Transboundary Air Pollution ("
},
{
"children": [
{
"text": "LRTAP or Air Convention"
}
],
"data": {
"footnote": "<?xml version=\"1.0\"?>\n<div class=\"csl-bib-body\" style=\"line-height: 1.35; \">\n <div class=\"csl-entry\">UNECE, 1979, Convention on Long-range Transboundary Air Pollution, United Nations Economic Commission for Europe.</div>\n</div>\n",
"footnoteTitle": "UNECE, Convention on Long-range Transboundary Air Pollution",
"uid": "vuURq",
"zoteroId": "CM5Q67PW"
},
"type": "zotero"
},
{
"text": ")."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "A centrepiece of the convention is the 1999 Gothenburg Protocol to Abate Acidification, Eutrophication and Ground-level Ozone, subsequently amended in 2012. Critical ozone levels for vegetation were also defined under the Air Convention."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "The "
},
{
"children": [
{
"text": "Air Quality Directive"
}
],
"data": {
"footnote": "<?xml version=\"1.0\"?>\n<div class=\"csl-bib-body\" style=\"line-height: 1.35; \">\n <div class=\"csl-entry\">EU, 2008, 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</div>\n</div>\n",
"footnoteTitle": "EU, 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",
"uid": "S-LzA",
"zoteroId": "6QATP6VT"
},
"type": "zotero"
},
{
"text": " sets both a target value (to be met in 2010) and a long-term objective for ozone for the protection of vegetation. The long-term objective is largely consistent with the long-term critical level of "
},
{
"children": [
{
"text": "ozone for crops"
}
],
"data": {
"footnote": "<?xml version=\"1.0\"?>\n<div class=\"csl-bib-body\" style=\"line-height: 1.35; \">\n <div class=\"csl-entry\">Loran, C., 2019, 'Manual for Modelling and Mapping Critical Loads & Levels', <i>Umweltbundesamt</i> (https://www.umweltbundesamt.de/en/manual-for-modelling-mapping-critical-loads-levels) accessed December 15, 2021.</div>\n</div>\n",
"footnoteTitle": "Loran, Christin, 2019, Manual for Modelling and Mapping Critica",
"uid": "EXvfj",
"zoteroId": "AY7IDVEN"
},
"type": "zotero"
},
{
"text": ", as defined in the UNECE LRTAP Convention."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "Targets"
}
],
"type": "h4"
},
{
"children": [
{
"text": ""
}
],
"type": "h4"
},
{
"children": [
{
"text": ""
},
{
"children": [
{
"text": "UNECE CLRTAP Gothenburg Protocol (1999; amended in 2012)"
}
],
"type": "b"
},
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "Using a stepwise approach and taking into account advances in scientific knowledge, the long-term target under the amended protocol is that atmospheric depositions or concentrations do not exceed for parties within the geographical scope of EMEP, the critical levels of ozone, as given in Annex I."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "Annex I of the amended protocol includes a short definition of critical levels for ozone."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "Critical levels for the protection of crops and forests (AOT40f) have also been defined under the "
},
{
"children": [
{
"text": "Air Convention"
}
],
"data": {
"footnote": "<?xml version=\"1.0\"?>\n<div class=\"csl-bib-body\" style=\"line-height: 1.35; \">\n <div class=\"csl-entry\">Loran, C., 2019, 'Manual for Modelling and Mapping Critical Loads & Levels', <i>Umweltbundesamt</i> (https://www.umweltbundesamt.de/en/manual-for-modelling-mapping-critical-loads-levels) accessed December 15, 2021.</div>\n</div>\n",
"footnoteTitle": "Loran, Christin, 2019, Manual for Modelling and Mapping Critica",
"uid": "9kzFh",
"zoteroId": "AY7IDVEN"
},
"type": "zotero"
},
{
"text": ". The critical level for crops is consistent with the EU long-term objective for vegetation. The critical level for forests relates to the accumulated sum during the growing season (considered as April to September) and is set at 10,000\u03bcg/m"
},
{
"children": [
{
"text": "3"
}
],
"type": "sup"
},
{
"text": "\u00b7h."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": ""
},
{
"children": [
{
"text": "Air Quality Directives"
}
],
"type": "b"
},
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "The\u00a0EU Ambient Air Quality Directives ("
},
{
"children": [
{
"text": "EU, 2008"
}
],
"data": {
"url": "https://eur-lex.europa.eu/eli/dir/2008/50/oj/eng"
},
"type": "link"
},
{
"text": ") ("
},
{
"children": [
{
"text": "EU,2024"
}
],
"data": {
"url": "https://eur-lex.europa.eu/eli/dir/2024/2881/oj/eng"
},
"type": "link"
},
{
"text": ")\u00a0aim to protect both human health and vegetation from the effects of ozone. However, the focus of this indicator is only on vegetation damage, with more information on health effects available in the "
},
{
"children": [
{
"text": "EEA briefing on the burden of disease associated with air pollution"
}
],
"data": {
"url": "../../../../resolveuid/c05079fed4384ba1bb414cf10cb640b4"
},
"type": "link"
},
{
"text": "."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "For the protection of vegetation from ozone exposure, the "
},
{
"children": [
{
"text": "Air Quality Directive"
}
],
"data": {
"footnote": "<?xml version=\"1.0\"?>\n<div class=\"csl-bib-body\" style=\"line-height: 1.35; \">\n <div class=\"csl-entry\">EU, 2008, 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</div>\n</div>\n",
"footnoteTitle": "EU, 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",
"uid": "qNnkJ",
"zoteroId": "6QATP6VT"
},
"type": "zotero"
},
{
"text": " defines:"
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "a) the target value for the protection of vegetation as AOT40-value (calculated from hourly values from May to July, considering the growing season) of 18,000\u03bcg/m"
},
{
"children": [
{
"text": "3"
}
],
"type": "sup"
},
{
"text": "\u00b7h, averaged over five years. This target value should be met in 2010 (2010 being the first year from which data will be used in the calculation over the following five years)."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "b) a long-term objective as AOT40-value (calculated from hourly values from May to July) of 6,000\u03bcg/m"
},
{
"children": [
{
"text": "3"
}
],
"type": "sup"
},
{
"text": "\u00b7h, with no defined date of attainment."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "In the assessment part of the indicator, the target value threshold is also considered. This is the target value considered only for one year and not for the averaged period of five years."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "The "
},
{
"children": [
{
"text": "2024 revised Air Quality Directive"
}
],
"data": {
"url": "https://eur-lex.europa.eu/eli/dir/2024/2881/oj/eng"
},
"type": "link"
},
{
"text": " has kept the same levels but has set 1 January 2050 as the deadline for attaining the long-term objective."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": ""
},
{
"children": [
{
"text": "The European Green Deal"
}
],
"type": "b"
},
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "The European Green Deal aims, among other objectives, to protect, conserve and enhance the EU's natural capital. To achieve this aim, it is essential to increase the value given to protecting and restoring natural ecosystems and biodiversity. In this context, both the"
},
{
"type": "link",
"data": {
"url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A52021DC0400&qid=1623311742827"
},
"children": [
{
"text": " Zero pollution action plan"
}
]
},
{
"text": " and the "
},
{
"type": "link",
"data": {
"url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?qid=1590574123338&uri=CELEX:52020DC0380"
},
"children": [
{
"text": "EU Biodiversity Strategy for 2030"
}
]
},
{
"text": " aim to reduce the contribution of air pollution to biodiversity loss and increase the ability of ecosystems to provide natural services."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": ""
},
{
"children": [
{
"text": "The 8th Environment Action Plan"
}
],
"type": "b"
},
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "The 8th EAP has the long-term priority objective that by 2050 at the latest, people live well, within the planetary boundaries in a well-being economy where nothing is wasted, growth is regenerative, climate neutrality in the Union has been achieved and inequalities have been significantly reduced. A healthy environment is an environment in which biodiversity is conserved, ecosystems thrive, and nature is protected and restored, leading to increased resilience to climate change, weather- and climate-related disasters and other environmental risks. "
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "Furthermore, it has two thematic priority objectives related to ecosystems:"
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "1. pursuing zero pollution, and protecting the health and well-being of ecosystems from environment-related risks and negative impacts."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "2. protecting, preserving and restoring marine and terrestrial biodiversity by, inter alia, halting and reversing biodiversity loss and improving the state of ecosystems and their functions and the services they provide."
},
{
"children": [
{
"text": ""
}
],
"type": "strong"
},
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "Related policy documents"
}
],
"type": "h4"
},
{
"children": [
{
"text": ""
},
{
"children": [
{
"text": "7th Environment Action Programme"
}
],
"data": {
"url": "http://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32013D1386"
},
"type": "link"
},
{
"text": " DECISION No 1386/2013/EU OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 20 November 2013 on a General Union Environment Action Programme to 2020 \u2018Living well, within the limits of our planet\u2019."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": ""
},
{
"children": [
{
"text": "8th Environment Action Programme"
}
],
"data": {
"url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32022D0591"
},
"type": "link"
},
{
"text": " DECISION (EU) 2022/591 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 6 April 2022 on a General Union Environment Action Programme to 2030."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": ""
},
{
"children": [
{
"text": "The Biodiversity Strategy for 2030"
}
],
"data": {
"url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?qid=1590574123338&uri=CELEX:52020DC0380"
},
"type": "link"
},
{
"text": " COMMUNICATION FROM THE COMMISSION TO THE EUROPEAN PARLIAMENT, THE COUNCIL, THE EUROPEAN ECONOMIC AND SOCIAL COMMITTEE AND THE COMMITTEE OF THE REGIONS EU Biodiversity Strategy for 2030 Bringing nature back into our lives (COM(2020) 380 final)."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": ""
},
{
"children": [
{
"text": "The Zero Pollution Action Plan"
}
],
"data": {
"url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A52021DC0400&qid=1623311742827"
},
"type": "link"
},
{
"text": " COMMUNICATION FROM THE COMMISSION TO THE EUROPEAN PARLIAMENT, THE COUNCIL, THE EUROPEAN ECONOMIC AND SOCIAL COMMITTEE AND THE COMMITTEE OF THE REGIONS Pathway to a Healthy Planet for All EU Action Plan: 'Towards Zero Pollution for Air, Water and Soil' (COM/2021/400 final)."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": ""
},
{
"children": [
{
"text": "The European Green Deal"
}
],
"data": {
"url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?qid=1576150542719&uri=COM%3A2019%3A640%3AFIN"
},
"type": "link"
},
{
"text": " COMMUNICATION FROM THE COMMISSION TO THE EUROPEAN PARLIAMENT, THE EUROPEAN COUNCIL, THE COUNCIL, THE EUROPEAN ECONOMIC AND SOCIAL COMMITTEE AND THE COMMITTEE OF THE REGIONS The European Green Deal (COM/2019/640 final)."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": ""
},
{
"children": [
{
"text": "1999 Protocol to Abate Acidification, Eutrophication and Ground-level Ozone"
}
],
"data": {
"url": "http://www.unece.org/env/lrtap/multi_h1.html"
},
"type": "link"
},
{
"text": " Convention on Long-range Transboundary Air Pollution 1999 Protocol to Abate Acidification, Eutrophication and Ground-level Ozone, amended on 4 May 2012. "
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": ""
},
{
"children": [
{
"text": "Directive 2008/50/EC, air quality "
}
],
"data": {
"url": "http://eur-lex.europa.eu/legal-content/en/ALL/?uri=CELEX:32008L0050"
},
"type": "link"
},
{
"text": "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. "
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": ""
},
{
"children": [
{
"text": "Directive (EU) 2024/2881, air quality ."
}
],
"data": {
"url": "http://eur-lex.europa.eu/legal-content/en/ALL/?uri=CELEX:32008L0050"
},
"type": "link"
},
{
"text": "Directive (EU) 2024/2881 of the European Parliament and of the Council of 23 October 2024 on ambient air quality and cleaner air for Europe (recast)"
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": ""
},
{
"children": [
{
"text": "UNECE Convention on Long-range Transboundary Air Pollution"
}
],
"data": {
"url": "http://www.unece.org/env/lrtap/lrtap_h1.html"
},
"type": "link"
},
{
"text": "UNECE Convention on Long-range Transboundary Air Polluti"
}
],
"type": "p"
}
]
Frequency of dissemination
1
Accuracy and uncertainties
[
{
"children": [
{
"text": "Methodology uncertainty"
}
],
"type": "h4"
},
{
"children": [
{
"text": "This indicator provides information on the area for which monitoring data is available. In previous years, yearly changes in monitoring density influenced the total monitored area. By using interpolated maps, this problem is largely solved; maps are less sensitive for changes in the central part of the network (though more sensitive for changes in the number of stations in the outskirts).\n\nThe indicator is also subject to year-to-year fluctuations as it is mainly sensitive to episodic conditions, and these depend on particular meteorological situations, the occurrence of which varies from year to year. When averaging over Europe, this meteorologically induced variation may be less, provided spatial data coverage is sufficient. Methodology uncertainty is also given by uncertainty in mapping AOT40 based on the interpolation of point measurements at background stations. The mean interpolation uncertainty of the map of AOT40 for crops is estimated to be about 35%."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "Data sets uncertainty"
},
{
"children": [
{
"text": ""
}
],
"type": "link",
"data": {
"url": "https://www.eea.europa.eu/data-and-maps/indicators/exposure-of-ecosystems-to-acidification-15/assessment-1/#data-sets-uncertainty"
}
},
{
"text": ""
}
],
"type": "h4"
},
{
"children": [
{
"text": "Most data have been officially submitted to the Commission under the "
},
{
"children": [
{
"text": "Exchange of Information Decision"
}
],
"data": {
"footnote": "<?xml version=\"1.0\"?>\n<div class=\"csl-bib-body\" style=\"line-height: 1.35; \">\n <div class=\"csl-entry\">EU, 1997, Council Decision of 27 January 1997 establishing a reciprocal exchange of information and data from networks and individual stations measuring ambient air pollution within the Member States (97/101/EC), OJ L 35, 5.2.1997, p. 14-22.</div>\n</div>\n",
"footnoteTitle": "EU, Council Decision of 27 January 1997 establishing a reciprocal exchange of information and data from networks and individual stations measuring ambient air pollution within the Member States (97/101/EC)",
"uid": "DM5La",
"zoteroId": "PN58P9N8"
},
"type": "zotero"
},
{
"text": ", the "
},
{
"children": [
{
"text": "Implementing Decision on exchange of information and reporting"
}
],
"data": {
"footnote": "<?xml version=\"1.0\"?>\n<div class=\"csl-bib-body\" style=\"line-height: 1.35; \">\n <div class=\"csl-entry\">EU, 2011, Commission Implementing Decision of 12 December 2011 laying down rules for Directives 2004/107/EC and 2008/50/EC of the European Parliament and of the Council as regards the reciprocal exchange of information and reporting on ambient air quality (notified under document C(2011) 9068) (2011/850/EU), OJ L 335, 17.12.2011, p. 86-106.</div>\n</div>\n",
"footnoteTitle": "EU, Commission Implementing Decision of 12 December 2011 laying down rules for Directives 2004/107/EC and 2008/50/EC of the European Parliament and of the Council as regards the reciprocal exchange of information and reporting on ambient air quality (notified under document C(2011) 9068) (2011/850/EU)",
"uid": "QR_TV",
"zoteroId": "3MPTCEF9"
},
"type": "zotero"
},
{
"text": " and/or to\u00a0"
},
{
"children": [
{
"text": "EMEP"
}
],
"type": "link",
"data": {
"url": "http://emep.int/"
}
},
{
"text": "\u00a0under the Air Convention. Air quality monitoring station characteristics and representativeness may not be well documented, which may imply that stations that are not representative for background conditions have been included, probably leading to a slight underestimation of the indicator. Coverage of territory and time may be incomplete.\u00a0"
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "p"
},
{
"children": [
{
"text": "Rationale uncertainty"
},
{
"children": [
{
"text": ""
}
],
"type": "link",
"data": {
"url": "https://www.eea.europa.eu/data-and-maps/indicators/exposure-of-ecosystems-to-acidification-15/assessment-1/#rationale-uncertainty"
}
},
{
"text": ""
}
],
"type": "h4"
},
{
"children": [
{
"text": "This indicator is rather sensitive to the precision at the reference level (40 ppb or 80 micrograms per m"
},
{
"children": [
{
"text": "3"
}
],
"type": "sup"
},
{
"text": ")."
}
],
"type": "p"
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]
Settings
Short name
exposure-of-europes-ecosystems-to-ozone
Versioning enabled
yes
Contents
The figure shows the percentage of agricultural areas in the EEA-32 countries exposed to four different interval concentrations of ozone, expressed as AOT40, following the Directive 2008/50/EC.
The figure shows the percentage of forested areas in the EEA-32 countries exposed to five different interval concentrations of ozone, expressed as AOT40, following the critical levels defined by the Air Convention.
