The map is based on the methodology described in the EEA Technical report No 1/2009. Spatial assessment of PM10 and ozone concentrations in Europe (2005).
Units:
(μg/m3).hour
Rights:
EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (http://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).
(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
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