Exposure of forest area to ozone (exposure expressed as AOT40 in (mg/m³).h) in EEA member countries

Figure Created 31 Jul 2013 Published 20 Dec 2013 Last modified 17 Feb 2014
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Please consider that since 2004 a growing number of member countries has been included. In 2004 Bulgaria, Greece, Iceland, Norway, Romania, Switzerland, and Turkey have not been includedwere added. In For 2005/2006 Iceland, Norway Switzerland and Turkey are were still excluded in the analyses due to lack of detailed land cover data and/or rural ozone data. In 2007 Switzerland and Turkey are were not included. Since 2008 only Turkey is has not beennot included. Calculations of forest exposure are not available for year prior to 2004.


Additional information

  • AOT40 (crops)

(Accumulated dose of ozone Over a Threshold of 40 ppb)
AOT40 means the sum of the differences between hourly concentrations greater than 80 µg/m3 (= 40 parts per billion) and 80 µg/m3


Geographic coverage

Temporal coverage


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Filed under: ozone, aot40, csi, air pollution
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