The graph is based on the maximum daily 8-hour mean value of CO concentrations (in mg/m3) for each Member State; the
boxes present the range of concentrations at all stations types 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.
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).
When the time comes to change your car battery, recycle your old one.
Check with your local authorities for their advice as they might recommend that you take it to a special disposal site, or to a garage which collects them for recycling and proper disposal.
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