Personal tools

next
previous
items

Skip to content. | Skip to navigation

Sound and independent information
on the environment

69 items matching your search terms.
Filter the results.
Item type























































































New items since



Sort by relevance · date (newest first) · alphabetically
GIS Map Application Nitrogen Dioxide (NO2): annual mean concentrations in Europe
The map shows the annual mean Nitrogen Dioxide (NO2) concentrations in Europe based on daily averages with at least 75% of valid measurements, in µg/m3 (source: EEA, AirBase v.8).
Located in Environmental topics Air pollution Interactive maps and data viewers
Figure Trend in NO2 and NOX annual mean concentrations (2001–2010) per station type (top); percentage frequency distribution of estimated annual change of NO2 annual mean concentrations at urban stations and at traffic stations (bottom)
All stations in EU Member States, with at least 75 % data coverage for at least eight years were included in the analysis. Concentrations per station type are given in μg/m3. In the top two diagrams a geographical bias exists towards central Europe where there is a higher density of stations. In the percentage frequency distribution graphs, closed bars denote stations showing a statistically significant trend, open bars denote stations with a non-significant trend. Statistically significant trends (level of significance 0.1) are calculated by applying the Mann-Kendall test. The applied method is described in de Leeuw, 2012.
Located in Data and maps Maps and graphs
Figure Percentage of population exposed to NO2 annual concentrations in urban areas, 2001-2011 (EU-27)
The annual mean limit value is 40 µg NO2/m3. Over the years 2001-2010 the total population, for which exposure estimates are made, increased from 93 to 124 million people due to an increasing number of monitoring stations reporting air quality data under the Exchange of Information Decision. Year-to-year variations in exposure classes are partly caused by the changes in spatial coverage. Only urban and sub-urban background monitoring stations have been included in the calculations. Data for Cyprus, Greece and Malta, are not included due to missing availability of operational urban and sub-urban background monitoring stations in the Urban Audit cities.
Located in Data and maps Maps and graphs
Indicator Assessment Exceedance of air quality limit values in urban areas (CSI 004) - Assessment published Aug 2010
Particulate Matter (PM 10 ) In the period 1997-2008, 18-50 % of the urban population was potentially exposed to ambient air 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 be exceeded more than 35 days a calendar year); (Figure 1). Nitrogen dioxide (NO 2 ) In the period 1997-2008, 6-41 % of the urban population was potentially exposed to ambient air 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 1997-2008, 13-62 % of the urban population in Europe 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 by 2010). The 62 % 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 1997-2008, the fraction of the urban population in EEA-32 member countries that is potentially exposed to ambient air 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
Figure Annual mean NO2 concentration observed at urban background stations, 1997-2009 (EU-27)
The figuer shows the annual mean NO2 concentration observed at urban background stations. 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.
Located in Data and maps Maps and graphs
Figure Decomposition analysis of N2O emission trends from EU agricultural soils, 1990–2008
Each bar shows the contribution of a single driver on GHG emission trends during a determined period. The thick short black lines indicate the combined effect of all emission drivers, i.e. the overall GHG emission trend during the period considered.
Located in Data and maps Maps and graphs
Figure Distance-to-target graphs for the annual (top) and hourly (bottom) NO2 limit value, for different station types, 2010
The graphs show the percentage frequency distribution of stations (on the y-axis) in the EU Member States versus the various concentration classes (on the x-axis, in µg/m3). Vertical lines correspond to target or threshold values set by the EU legislation.
Located in Data and maps Maps and graphs
Figure Attainment situation for NO2, reference years 2010, 2005, 2001
The graphs are based on the annual mean concentration values; they present the range of concentrations at all station types (in μg/m3) officially reported by the EU Member States and how the concentrations relate to the limit value set by EU legislation (marked by the red line). The diagram indicates the lowest and highest observations, the means and the lower and upper quartiles. The lower quartile splits the lowest 25 % of the data and the upper quartile splits the highest 25 % of the data.
Located in Data and maps Maps and graphs
Figure Annual mean concentrations of NO2 predicted for 2015, Vienna
-
Located in Data and maps Maps and graphs
Figure Percentage of urban population resident in areas where pollutant concentrations are higher than selected limit/target values, 2001-2011 (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, Greece and Malta, are not included due to the geographical coverage of the Urban Audit.
Located in Data and maps Maps and graphs
European Environment Agency (EEA)
Kongens Nytorv 6
1050 Copenhagen K
Denmark
Phone: +45 3336 7100