Figure 2: 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 4254 607 11429 69 1035 53 1966 441 538 86 1273 155 945 n.a. 68
#st 110 20 342 6 80 11 97 32 10 6 44 5 37 4 6

n.a = number of exceedances not available


Figure 2. Frequency distribution of ozone concentrations (eight-hourly values; period 12.00-20.00) in excess of the 110 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. The data for Portugal did not allow for inclusion in this figure.

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