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Emission trends of tropospheric (ground-level) ozone precursors (EEA member countries, EU-27): This chart shows past emission trends of nitrogen oxides (NOx), non-methane volatile organic compunds (NMVOC), carbon monoxide (CO) and methane (CH4) in the EEA-32 and EU-27 group of countries. In addition - for the EU-27 - the aggregated Member State 2010 emission ceilings for NOx and NMVOC are shown.
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Sector contributions of ozone precursor emissions (EEA member countries): The contribution made by different sectors to emissions of the tropospheric (ground-level) ozone precursors.
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Annual mean ozone concentrations by station type: Annual mean ozone concentrations by station type
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Maximum ozone hole area in 2011: False-color view of total ozone over the Antarctic pole. The purple and blue colors are where there is the least ozone, and the yellows and reds are where there is more ozone. Measured in 12 September 2011.
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Consumption of ozone depleting substances (EEA-32), 1986-2011: Consumption is defined as production plus imports minus exports of controlled substances under the Montreal Protocol.
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Production of ozone depleting substances (EEA-32), 1986-2011: Production is defined under Article 1(5) of the Montreal Protocol as production minus the amount destroyed minus the amount entirely used as feedstock in the manufacture of other chemicals.
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Ozone 2010 - Target value for the protection of vegetation: In the air quality directive (2008/EC/50), the EU has set a target value and a long term objective value for ozone (O3) for the protection of vegetation. Target value: the AOT40 may not exceed 18000 (µg/m3) per hour in the period from 1 May to 31 July averaged over five years. Long term objective value: the AOT40 may not exceed 6000 (µg/m3) per hour in the period from 1 May to 31 July within a calendar year. AOT40 (expressed in (μg/m3) ∙ hours) means the sum of the difference between hourly concentrations greater than 80 μg/m3 (= 40 parts per billion) and 80 μg/m3 over a given period using only the one-hour values measured between 8.00 and 20.00 Central European Time (CET) each day. More information is provided in Annex VII of directive (2008/EC/50).
Located in Data and maps › Maps and graphs
Ozone 2010 - 8 hour mean target value for the protection of human health: In the air quality directive (2008/EC/50), the EU has set a target value and a long term objective value for ozone (O3) for the protection of human health. Target value: the maximum daily eight-hour mean may not exceed 120 micrograms per cubic metre (µg/m3) on more than 25 days per calendar year averaged over three years. Long term objective value: the maximum daily eight-hour mean may not exceed 120 micrograms per cubic metre (µg/m3) within a calendar year.
Located in Data and maps › Maps and graphs
Ozone SOMO35, 2009: -
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Ozone SOMO35, 2008: -
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