methods, notes and classification Nitrogen dioxide concentrations in European capital cities - monthly averages (source: EEA), experimental statistics methods, notes and classification

    • Air pollutants and greenhouse gases
      • 0 Nitrogen dioxide
    • Unit of measure
      • 0 Micrograms per cubic metre
    • Geopolitical entity (reporting)
      • 0 European Union (aggregate changing according to the context)
      • 1 Bruxelles/Brussel
      • 2 Sofia
      • 3 Praha
      • 4 København
      • 5 Berlin
      • 6 Tallinn
      • 7 Dublin
      • 8 Athina
      • 9 Madrid
      • a Paris
      • b Zagreb
      • c Roma
      • d Lefkosia
      • e Riga
      • f Vilnius
      • g Luxembourg
      • h Budapest
      • i Valletta
      • j Amsterdam
      • k Wien
      • l Warszawa
      • m Lisboa
      • n Bucuresti
      • o Ljubljana
      • p Bratislava
      • q Helsinki
      • r Stockholm
      • s Reykjavik
      • t Oslo
      • u Bern (Berne)