5.3.31. Regional background concentrations of some air pollutants at the background stations (1985–)*(1/2)

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Year Sulphur-dioxide (SO2), µg/m3 Nitrogen-dioxide (NO2), µg/m3 Lead (Pb), µg/m3 Ammonia (NH3), µg/m3
K-pusztaa Farkasfab Nyírjesc K-pusztaa Farkasfab Nyírjesc K-pusztaa K-pusztaa Farkasfab Nyírjesc
1985 25.4 .. .. 9.8 .. .. 45.1 0.9 .. ..
1986 15.2 .. .. 9.6 .. .. 34.2 0.8 .. ..
1987 22.2 .. .. 9.1 .. .. 24.7 0.5 .. ..
1988 10.2 .. .. 9.7 .. .. 28.2 0.8 .. ..
1989 9.8 .. .. 8.3 .. .. 29.9 1.3 .. ..
1990 5.5 .. .. 8.1 .. .. 35.0 1.2 .. ..
1991 9.1 .. .. 7.4 .. .. 34.7 1.0 .. ..
1992 9.0 .. .. 7.0 .. .. 29.5 1.1 .. ..
1993 7.0 .. .. 6.0 .. .. 32.9 1.1 .. ..
1994 7.0 .. .. 7.0 .. .. 27.2 1.2 .. ..
1995 5.0 .. .. 5.9 .. .. 24.9 0.9 .. ..
1996 5.5 .. .. 6.5 .. .. 28.1 0.8 .. ..
1997 10.6 .. .. 8.3 .. .. 24.2 1.4 .. ..
1998 8.3 4.9 17.3 5.9 6.5 2.6 23.0 1.0 .. ..
1999 6.8 3.6 19.6 5.7 7.4 2.8 27.6 1.1 .. ..
2000 5.7 2.5 16.6 5.3 4.7 4.8 .. ..e .. ..
2001 5.1 2.1 9.4 5.7 6.5 3.6 .. ..e .. ..
2002 4.4 2.2 8.0 5.4 6.4 2.9 .. 0.5 .. ..
2003 4.8 2.3 6.2 5.5 6.3 2.5 .. 1.7 .. ..
2004 3.4 1.5 4.5 5.0 5.1 .. .. 1.3 0.8 0.3
2005 2.3 ..f 3.0 4.6 ..f 2.8 .. 1.7 .. 0.5
2006 1.8 ..f 3.0 5.9 ..f 3.0 .. 1.5 0.9 0.5
2007 1.4 0.8 2.3 5.2 4.7 2.7 .. 1.6 0.7 0.4
2008 2.8 1.0 2.5 6.2 4.6 2.9 .. 1.9 0.7 0.5
2009 2.7 1.3 3.1 6.2 4.1 2.7 7.0 1.6 0.6 0.4
2010 2.4 1.0 2.3 7.5 4.0 2.4 7.6 1.3 0.5 0.4
2011 2.7 0.9 3.5 7.2 4.0 2.6 8.1 1.6 0.7 0.5
2012 2.5 1.0 2.6 5.9 3.7 3.2 7.7 1.5 0.6 0.4
2013 1.7 0.7 2.4 4.6 3.6 2.7 6.7 1.7 0.6 0.3
2014 1.6 0.8 3.2 4.1 3.1 2.6 6.9 2.1 0.8 0.6
2015 1.3 0.5 3.1 4.3 3.4 2.6 7.9 1.8 0.7 0.6
2016 1.5 0.5 2.9 3.7 3.2 2.7 7.2 1.9 0.8 0.6
2017 1.4 0.7 ..e 3.9 3.2 ..e 7.0 1.9 0.9 ..e
2018 1.3 0.7 5.8 3.8 3.5 2.7 7.4 2.1 0.9 0.7
2019 1.2 ..g 2.2 3.4 ..g ..e 6.7 2.0 ..g 1.0
*Source: Hungarian Meteorological Service  a46° 58' 3'' N, 19° 33' 11'' E, 127 m  b46° 54' 37'' N, 16° 18' 34'' E, 312 m  c47° 52’ N, 19° 57' E, 702 m  eData can not be evaluated because of technical reasons (insufficient number of measurements).  fSampling was paused at Farkasfa measuring station from 2005 to 2006.  gThere has been no data in Farkasfa since 1. May 2019. 

© Hungarian Central Statistical Office, 2011