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Figure NO2 (top) and PM10 (bottom) concentration trends at urban background (left) and traffic (right) locations
Top: NO2 concentration in selected cities from 2002 to 2009. Bottom: PM10 concentrations in selected cities from 1999 to 2009. Values are presented for single monitoring stations that provide reliable time series data for the last years. Selected cities have at least one background and one traffic station that provide such reliability and can therefore be compared for analysis. Therefore, this figure does not represent air quality results citywide, but rather serves as a snapshot of the different trends in background and traffic stations wherever comparable long-term time-series data are available. Because the different lines represent individual measurement points, there can be a significant effect from local changes in traffic flows. According to sources, this is part of the background for the large change in the NO2 levels in London.
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Figure Reducing the emission of particles (PM10)
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Figure Zone exceedances of the daily limit value PM10 day, 2005
Zone exceedances of the daily limit value lmit value PM10, 2005, reported under Annual report (questionnaire) on air quality assessment and management (2004/461/EC).
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Figure Inter-annual variations of mean daily PM10 concentrations, 1997-2004
Vertical bars: 10th/90th percentiles.
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Figure PM10 36th highest daily value, 2010
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Figure Contribution of different sectors (energy and non-energy) to total emissions of PM10 and PM2.5, 2008, EEA-32
The graph includes the combined emissions of primary PM10 particles (particulate matter with a diameter of 10 μm or less, emitted directly into the atmosphere).
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Figure Emissions of primary PM2.5 and PM10 particulate matter (EEA member countries)
This chart shows past emission trends of primary PM2.5 and PM10 particulate matter, 1990-2008.
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Figure Particulate matter (PM10) - Annual limit value for the protection of human health
In the air quality directive (2008/EC/50), the EU has set two limit values for particulate matter (PM10) for the protection of human health: the PM10 daily mean value may not exceed 50 micrograms per cubic metre (µg/m3) more than 35 times in a year and the PM10 annual mean value may not exceed 40 micrograms per cubic metre (µg/m3). In some areas time extensions have been granted by DG Environment for meeting these limit values. Information about time extensions is provided by DG Environment at: http://ec.europa.eu/environment/air/quality/legislation/time_extensions.htm
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Figure Annual mean NO2 concentration observed at traffic stations, 2010 (left) and annual mean PM10 concentration observed at traffic stations, 2010 (right)
Annual mean NO2 and PM10 concentration observed at traffic stations, 2010.
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Figure PM10 36th highest daily value, 2006
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European Environment Agency (EEA)
Kongens Nytorv 6
1050 Copenhagen K
Denmark
Phone: +45 3336 7100