map 7: # of Exceedances Information Population Background stations
Number of Days Threshold Value Was Exceeded
Map 7. Number of exceedances of the threshold value for information of the population (180 µg/m3 for hourly values) observed at background stations;1 January - 31 December 1995.
For references, please go to http://www.eea.europa.eu/publications/C1I92-9167-074-X/page032.html or scan the QR code.
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