Figure 6: Frequency distribution of ozone concentrations

Page Last modified 20 Apr 2016

Frequency Distribution of Ozone Concentrations

  AT BE DE DK ES FI FR GB GR IE IT LU NL PT SE
#ex 128 211 1804 6 40 0 374 99 185 13 295 43 257 18 2
#st 110 20 342 6 86 11 110 30 10 6 54 5 37 8 6


Figure 6. Frequency distribution of ozone concentrations (hourly values) in excess of the 180 µg/m3 threshold for hourly values. 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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