5.3.21. Concentrations of nitrogen-dioxide (NO2) in county seats and in selected industrial towns according to the data of the manual network (2003–2011)*

(µg/m3)

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Town Average immissiona
2003b 2004c 2005d 2006e 2007f 2008g 2009h 2010i 2011i
Budapest 56.2j 50.1j 56.4 48.2 36.7 39.2 34.5 41.9 41.7j
Pécs 32.8 22.1 25.4 23.0 25.8 20.0 31.7 15.9 18.8
Komló 28.4j 23.0 25.2 9.1 – – – – –
Kecskemét 55.0 37.1 41.0 42.5 40.1 33.8 21.4 23.3 25.3
Békéscsaba 22.9 28.9 30.5 24.2 18.6 19.4 21.9 21.0 22.0
Miskolc 35.3 40.1 36.5 34.2 – – – – –
Kazincbarcika 22.4 24.8 18.6 14.8 16.5 27.5 30.4 26.8 18.9
Tiszaújváros 15.2 19.3 17.8 16.8 14.7 17.9 19.9j 24.5 24.9
Ózd 33.3 29.1 26.4 22.3 19.3 19.4 24.8 33.5 34.4
Szeged 58.9 36.8 35.8 35.4 37.7 33.6 32.7 29.4 34.0
Székesfehérvár 43.1 34.5 41.7 34.6 38.7 30.2 27.8 24.0 16.1
Dunaújváros 29.9 22.4 25.6 29.3 26.4 26.8 24.0 18.0 15.4
Győr 40.6 37.2 43.4 41.2 45.6 30.0 34.1 44.1 38.2
Debrecen 42.4 31.1 33.7 33.2 34.2 31.7 31.2 29.4 27.0
Eger 36.4 39.8 28.3 23.0 20.8 26.0 30.0 29.6 31.3
Szolnok 13.6 15.0 14.9 13.5 21.2 22.5 31.6 34.3j 27.3
Tatabánya 32.7 24.8 31.6 22.3 33.1 – – – –
Dorog 29.9 31.0 42.4 30.2 33.4 24.8 27.6 48.2 39.3
Salgótarján 34.7j 35.6 29.9 27.2 22.5 29.0 22.0 25.6 30.0
Vác 40.9 34.5 49.7 32.6 35.5 38.8 33.7 34.9 39.9
Kaposvár 39.2 29.0 37.0 29.1 32.6 20.3 31.1j 12.0j 20.6
Nyíregyháza 33.9 27.8 27.2 28.1 30.4 31.6 30.6 21.7 27.1j
Szekszárd 45.5 38.0 33.8 40.6 33.3 37.8 30.1 28.3 31.9
Szombathely 35.4 28.7 33.4 37.1 42.5 41.3 36.7 49.7 33.9
Veszprém 47.5 28.6 31.1 32.4 27.2 30.5 29.0 32.5 29.5
Ajka 22.1 17.7j 15.8 10.9 9.7 13.0 14.7 11.8 13.4
Várpalota 29.9 10.7j 11.1 14.7 12.6 14.9 17.0 14.2 10.8
Zalaegerszeg 58.0 43.5 45.9 46.1 45.1 44.4 42.3j 54.0 40.4
*Source: Hungarian Meteorological Service.  aIt is counted from 24-hourly averages.  bYearly limit value: 54 µg/m³  cYearly limit value: 52 µg/m³  dYearly limit value:50 µg/m³.  eYearly limit value:48 µg/m³.  fYearly limit value:46 µg/m³.  gYearly limit value:44 µg/m³.  hYearly limit value:42 µg/m³.  iYearly limit value:40 µg/m³. 

© Hungarian Central Statistical Office, 2011