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 mg/m3. In the diagram a geographical bias exists towards central Europe where there is a higher density of stations
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If getting there by car, instead of by train or bus, be generous and share the space. By taking other people who might have made their journey in a separate car, you're putting one less car on the road.
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