Stations with maximum annual arithmetic means!>
Stations with highest values of 95th percentiles
of daily concentrations!>
Stations with maximum values of 95th percentiles of half-hour concentrations
and of relative frequencies of IHk exce!>
Maximum daily pollutant concentrations measured at air pollution stations!>
Highest 8-hour concentrations measured at air pollution monitoring stations!>
Stations with maximum frequencies of IH8h exceedences!>