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[ZR10] Emissions of ozone-precursors
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Emissions of total ozone precursors in Slovenia decreased by 62 % in the period 1990 to 2021. Emissions of nitrogen oxides decreased by 66 %, carbon monoxide by 70 %, non-methane volatile organic compounds by 54 % and methane by 26 %. The reason is mainly the introduction of more stringent emission standards for motor vehicles. This measure contributed to a significant reduction in emissions of nitrogen oxides and carbon dioxide from road transport which is the main source of ozone precursors. Emissions of nitrogen oxides and non-methane volatile organic compounds were in 2021 below the prescribed target values, which must not be exceeded from 2010 onwards. Slovenia also met its emission reduction commitments.

Charts

Figure ZR10-1: Emissions of ozone-precursors, Slovenia, 1990-2021
Sources:

potencialni faktorji nastanka prizemnega ozona: ()

Show data
NOx[index (1990 = 100)] CO[index (1990 = 100)] NMVOC[index (1990 = 100)] CH4[index (1990 = 100)] ozone precursors - total[index (1990 = 100)] NOx target value[index (1990 = 100)] NMVOC target value[index (1990 = 100)]
1990 100 100 100 100 100
1991 92.50 95.14 96.18 96.22 94.23
1992 91.19 93.82 94.38 96.88 92.77
1993 97.50 99.01 95.12 92.55 96.90
1994 101.13 96.47 96.42 92.32 98.67
1995 100.10 96.56 96.34 93.46 98.17
1996 102.75 99.70 101.40 91.81 101.69
1997 103.42 91.28 96.27 92.49 98.85
1998 90.98 80.21 89.77 94.60 88.78
1999 81.05 74.20 85.50 94.79 81.53
2000 77.94 70.08 84.19 98.46 78.91
2001 78.94 73.95 85.08 98.67 80.35
2002 77.88 62.77 78.98 99.72 75.88
2003 73.53 63.33 78.20 98.47 73.60
2004 71.77 59.19 75.00 97.13 70.95
2005 73.28 62.67 73.99 97.15 71.92
2006 73.50 55.36 70.72 94.36 69.66
2007 71.76 57.30 70.65 95.12 69.13
2008 77.39 54.51 67.43 90.57 70.24
2009 64.55 48.94 62.10 87.01 61.26
2010 63.54 49.11 60.86 85.79 60.36
2011 62.48 48.03 57.04 85.40 58.36
2012 60.56 45.93 54.79 83.39 56.30
2013 56.95 45.76 53.47 81.11 54.06
2014 51.59 39.17 49.44 77.20 48.96
2015 46.77 41.80 50.05 79.69 47.30
2016 46.02 41.56 50.53 81.08 47.08
2017 45.36 39.80 49.90 79.34 46.24
2018 43.54 36.24 49.52 76.80 44.61
2019 39.35 33.59 48.29 76.35 41.72
2020 33.97 30.14 47.29 75.21 38.19
2021 34.31 30.05 46.32 73.58 38.00
target 2010 59.88 61.49
Figure ZR10-2: Structure of ozone precursor emissions, by substances, Slovenia, 2021
Sources:

National emissions inventory, GHG Archive, Slovenian Environment Agency (25. 04. 2023)

Show data
NOx[%] NMVOC[%] CO[%] CH4[%]
2021 43.55 13.28 41.72 1.44
Figure ZR10-3: Structure of ozone precursor emissions, by sector, Slovenia, 2021
Sources:

National emissions inventory, GHG Archive, Slovenian Environment Agency (25.4.2023)

Show data
Energy industries[%] Manufacturing industries and construction[%] Road transport[%] Small combustion[%] Fugitive emissions from fuels[%] Industrial processes and product use[%] Other transport[%] Agriculture[%] Waste[%]
ozone precursors 5.93 9.22 23.11 21.24 1.72 16.08 8.99 13.19 0.52
NOx 12.65 13.92 40.22 9.60 0.00 0.42 13.71 9.39 0.09
NMVOC 0.49 5.72 8.71 19.53 3.71 36.39 5.29 19.62 0.53
CO 1.62 5.74 14.72 66.40 0.00 5.40 6.11 0 0.00
CH4 0.18 0.28 0.22 6.51 11.79 0 0 63.15 17.86
Figure ZR10-4: Emissions of ozone-precursors, EU-27 countries, 2021 [in kg / capita]
Sources:

Air pollutant emissions data viewer (Gothenburg Protocol, LRTAP Convention) 1990-2021,  EEA Greenhouse gas data viewer, Evropska agencija za okolje; Eurostat (2.8.2023)

Show data
emissions per capita[kg/capita]
Ireland 51.27
Estonia 50.01
Luxembourg 48.37
Latvia 48.03
Poland 46.09
Czechia 45.15
Finland 45.14
Greece 44.89
Lithuania 44.54
Denmark 41.03
Croatia 38.29
Slovakia 37.25
Austria 35.77
France 35.58
EU-27 34.85
Portugal 34.36
Bulgaria 34.35
Slovenia 34.28
Netherlands 33.64
Romania 32.27
Spain 31.77
Italy 31.53
Germany 30.44
Hungary 30.02
Sweden 29.82
Belgium 28.48
Cyprus 26.86
Malta 17.47

Methodology

Date of data source summarization

Related indicators

Last modified
17.08.2023
Author(s)

Martina Logar, Slovenian Environment Agency