Publications

4th highest 24-hour mean SO2 concentration observed at urban stations, 2001-2010 (EU-27): Only urban and sub-urban background monitoring stations have been included in the calculations. Data for Cyprus, Denmark, Finland and Malta, are not included due to missing availability of operational urban and sub-urban background monitoring stations in the Urban Audit cities.
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Rural concentration map of the ozone indicator AOT40 for crops, year 2009: AOT40 for crops are vegatation exposure related indicators and are based on rural background station observation only.
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Exposure of forest area to ozone (exposure expressed as AOT40 in (μg/m³).h) in EEA member countries: The figure shows the exposure of forest area to ozone (exposure expressed as AOT40f in (μg/m3).h) in EEA member countries . By the UNECE a critical level for protection of forest is set to 10000 (μg/m3).hour. Since 2004 a growing number of EEA member countries have been included. In 2004 Bulgaria, Greece, Iceland, Norway, Romania, Switzerland, and Turkey have not been included. In 2005-2006 Iceland, Norway Switzerland and Turkey are still excluded in the analyses due to lack of detailed land cover data and/or rural ozone data. In 2007 Switzerland and Turkey are not included. Since 2008 only Turkey is not included. Calculations of forest exposure are not available for year prior to 2004.
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Annual variation in the ozone AOT40 value for crops (May-July) in (μg/m³).h, 1996-2009: Average values over all rural stations which reported data over at least eleven years in the period 1996-2009. 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.
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Exceedance of air quality limit values in urban areas (CSI 004) - Assessment published Nov 2012: Particulate Matter (PM 10 ) In the period 2001-2010, 18-41 % of the urban population in EU-27 was potentially exposed to ambient concentrations of particulate matter (PM 10 ) in excess of the EU limit value set for the protection of human health (50 microgram/m 3 daily mean not to be exceeded more than 35 days a calendar year); (Figure 1). Nitrogen dioxide (NO 2 ) In the period 2001-2010, 6-27 % of the urban population in EU-27 was potentially exposed to ambient nitrogen dioxide (NO 2 ) concentrations above the EU limit value set for the protection of human health (40 microgram NO 2 /m 3 annual mean). There was a slight downwards trend over the period (Figure 1) Ozone (O 3 ) In the period 2001-2010, 15-61 % of the urban population in EU-27 was exposed to ambient ozone concentrations exceeding the EU target value set for the protection of human health (120 microgram O 3 /m 3 daily maximum 8-hourly average, not to be exceeded more than 25 times a calendar year, averaged over three years and to be achieved where possible by 2010). The 61 % of the urban population exposed to ambient ozone concentrations over the EU target value was recorded in 2003, which was the record year. There was no discernible trend over the period (Figure 1). Sulphur dioxide (SO 2 ) In the period 2001-2010, the fraction of the urban population in EU-27 that is potentially exposed to ambient concentrations of sulphur dioxide in excess of the EU limit value set for the protection of human health (125 microgram SO 2 /m 3 daily mean not to be exceeded more than three days a year), decreased to less than 1 %, and as such the EU limit value set is close to being met everywhere in the urban background (Figure 1).
Located in Data and maps › Indicators › Exceedance of air quality limit values in urban areas
Laying the foundations for greener transport — TERM 2011: transport indicators tracking progress towards environmental targets in Europe: For the first time ever the European Commissions is proposing a greenhouse gas emissions target for transport. But how is transport going to provide the services that our society needs while minimising its environmental impacts? This is the theme for the Transport White Paper launched in 2011. TERM 2011 and future reports aim to deliver an annual assessment on progress towards these targets by introducing the Transport and Environment Reporting Mechanism Core Set of Indicators (TERM-CSI). TERM 2011 provides also the baseline to which progress will be checked against, covering most of the environmental areas, including energy consumption, emissions, noise and transport demand. In addition, this report shows latest data and discuss on the different aspects that can contribute the most to minimise transport impacts. TERM 2011 applies the avoid-shift-improve (ASI) approach, introduced in the previous TERM report, analysing ways to optimise transport demand, obtain a more sustainable modal split or use the best technology available.
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PM2.5 2009. Annual target value for the protection of human health: In the air quality directive (2008/EC/50), the EU has set a target value for fine particulate matter (PM2.5) for the protection of human health: the PM2.5 annual mean value may not exceed 25 micrograms per cubic metre (µg/m3).
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Nitrogen dioxide 2009. Hourly limit value for the protection of human health: In the air quality directive (2008/EC/50), the EU has set two limit values for nitrogen dioxide (NO2) for the protection of human health: the NO2 hourly mean value may not exceed 200 micrograms per cubic metre (µg/m3) more than 18 times in a year and the NO2 annual mean value may not exceed 40 micrograms per cubic metre (µg/m3). These limit values come into force for concentrations measured from 1.1.2010 so during 2009 a margin of tolerance equal to an annual mean value of 42 micrograms per cubic metre (μg/m3) is still in place
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26th highest maximum daily 8-hour mean ozone concentration observed at urban background stations, 1997-2009 (EU-27): Only urban and sub-urban background monitoring stations have been included in the calculations. Data for Cyprus, Luxembourg and Malta, are not included due to the geographical coverage of the Urban Audit.
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Percentage of urban population resident in areas where pollutant concentrations are higher than selected limit/target values, 1997-2009 (EU-27): The rationale for selection of pollutant and corresponding limit/target values for CSI 004 is given in the justification for indicator selection. Only urban and sub-urban background monitoring stations have been included in the calculations. Data for Cyprus, Luxembourg and Malta, are not included due to the geographical coverage of the Urban Audit.
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