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Figure C source code Number of exceedances of the ozone threshold value for the information of the public
Number of exceedances of the threshold value for the information of the public (one-hour ozone concentration > 180 µg/m3) observed at urban/street stations and stations of unspecified type in the EU and other countries, summer 2003 (April - August).
Located in Data and maps Maps and graphs
Figure Emissions of ozone precursors (EEA member countries)
The with measures (WM) projections reported by Member States take into account currently implemented and adopted policies and measures
Located in Data and maps Maps and graphs
Figure Change in emission of primary and secondary fine particles 1990-2004 (%), (EU-10, AC-2 and CC-2)
Located in Data and maps Maps and graphs
Figure Increase in yearly ultraviolet radiation, 1980-1997
Located in Data and maps Maps and graphs
Figure Modelled change in tropospheric ozone concentrations over Europe
The modelled changes shown are only due to climate variability and climate change
Located in Data and maps Maps and graphs
Figure Change in number of ozone exceedance days between 1993-1996 and 2000-2004
The map shows the change in the average number of ozone exceedence days from April to September observed at regional background stations (EMEP monitoring stations) from the period 1990-1994 to the period 1999-2004, excluding the abnormally warm summer of 2003. A day is counted as an exceedence day when the daily maximal 8-hr-average ozone concentration exceeds 60 ppbV.
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Figure Population-weighted concentrations of PM10 and O3 in urban agglomerations of more than 250 000 inhabitants in EU-27
Urban air quality is of major concern. The high density of population and of economic activities in urban areas results in increased emissions, ambient concentrations and exposure. The Structural Indicator for urban air quality is presented which comprises two sub-elements describing the annual variations in population weighted health-relevant concentrations of (1) ozone and (2) particulate matter (PM10) in ambient air in urban areas.
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Figure Distance-to-target for the environmental objectives set for the protection of human health, 2008
Frequency distribution of the ozone 26th highest maximum daily running 8-hour mean; the target value set in the AQ Directive is 120 ug/m3 (reference period 2008; based on all available operational ozone stations reported to AirBase)
Located in Data and maps Maps and graphs
Figure Ozone - 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).
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Figure Annual variation in the ozone AOT40 value for crops (May-July) in (μg/m³).h, 1996–2010
Average values over all rural stations which reported data over at least eleven years in the period 1996-2010. The black line corresponds to the 5-year averaged value. Variations over Europe in observed values is large, eighty percent of the observations falls with the red shaded area.
Located in Data and maps Maps and graphs
European Environment Agency (EEA)
Kongens Nytorv 6
1050 Copenhagen K
Denmark
Phone: +45 3336 7100