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