The annual mean limit value is 40 µg NO2/m3 and to be met by 2010. Over the years 2001-2010 the total population, for which exposure estimates are made, increased from 92 to 116 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 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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When travelling to exotic places, choose your souvenirs carefully.
Trade in items such as woodcarvings, red coral or ornaments with fur or feathers, is often regulated and permits are required to bring them home. Check the rules, as there are strict laws governing exports of wildlife and you could risk having your souvenir confiscated.
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