Figure 4: Frequency distribution of ozone concentrations in excess of the 180 µg/m3

Page Last modified 20 Apr 2016, 02:34 PM
  AT BE DE DK ES FI FR GB GR IE IT LU NL PT SE
#Ex 99 27 607 1 99 2 217 38 102 0 191 6 92 5 7
#St 114 22 386 6 132 11 155 42 11 6 69 5 38 9 6

Figure 4: Frequency distribution of ozone concentrations in excess of the 180 µg/m3 threshold for hourly values (April-July 1996). For each country the total number of observed exceedances is given in row '#Ex', the number of stations is given in row '#St'. Frequency distributions are presented as Box-Jenkins plots indicating the minimum, the 25-Percentile, the 75-percentile and the maximum value.

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