Figure 6: Frequency distribution of ozone concentrations

Page Last modified 20 Apr 2016, 02:34 PM

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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