The graphs are based on the annual mean concentration values; they present the range of concentrations at all station types (in μg/m3) officially reported by the EU Member States and how the concentrations relate to the limit value set by EU legislation (marked by the red line).
The diagram indicates the lowest and highest observations, the means and the lower and upper quartiles. The lower quartile splits the lowest 25 % of the data and the upper quartile splits the highest 25 % of the data.
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Choose your pet carefully and think before buying an exotic animal
Reptiles, birds and fish are often taken from their natural habitats. The black market for exotic pets has devastated entire populations of species, and it is still the fastest growing sector in the pet market.
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