Emissions of air pollutants from energy sources

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Air pollutant emissions have decreased in the period 2005−2020 to the levels that enable Slovenia achievement of its 2020 targets. But to reach 2030 targets additional decrease is needed. Reduction of emissions contributed to lower impact on ecosystems and human health, as emissions of pollutants that contribute to acidification, ozone precursors and particles, decreased by half compared to 2005.

Charts

Figure EN09-1: Total emissions trend for SO2, NOx, NMVOC, NH3 and PM 2.5 compared to the year 2005 against targets set for the period 2010−2030

Sources:

SEA, 2022; Jožef Stefan Institute, 2022

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	SO2[index (1990 = 100)]	NOx[index (1990 = 100)]	NMVOC[index (1990 = 100)]	NH3[index (1990 = 100)]	PM2.5[index (2000 = 100)]	SO2 target[index (2000 = 100)]	NOx target[index (2000 = 100)]	NMVOC target[index (2000 = 100)]	NH3 target[index (2000 = 100)]	PM2.5 target[index (2000 = 100)]
1990	100	100	100	100	100
2006	41.90	100.22	95.54	99.46	93.99
2007	35.52	97.84	95.42	103.04	102.74
2008	29.60	105.53	91.07	97.04	101.66
2009	25.05	88.00	83.84	98.81	77.16
2010	25.93	86.61	82.15	95.84	91.30	68.02	81.41	82.87	96.61
2011	28.40	85.14	77.00	92.30	69.71	68.02	81.41	82.87	96.61
2012	26.51	82.51	73.93	91.55	66.77	68.02	81.41	82.87	96.61
2013	24.49	77.53	72.15	90.32	66.84	68.02	81.41	82.87	96.61
2014	19.73	70.22	66.64	89.83	60.20	68.02	81.41	82.87	96.61
2015	14.10	63.63	67.27	91.90	64.20	68.02	81.41	82.87	96.61
2016	12.05	62.57	67.65	92.91	71.12	68.02	81.41	82.87	96.61
2017	12.72	61.73	66.65	90.93	62.37	68.02	81.41	82.87	96.61
2018	12.51	59.00	65.89	90.36	58.00	68.02	81.41	82.87	96.61
2019	11.28	53.15	63.87	88.53	60.13	68.02	81.41	82.87	96.61
2020	10.13	45.79	62.40	87.75	61.20	37	61	77	99	75
...						22.50	48	62	92	57.50
2030						8	35	47	85	40

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Figure EN09-2: Emissions of air pollutants by sector in 2020

Sources:

SEA, 2022; Jožef Stefan Institute, 2022

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	Nonenergy sectors[kt]	Wide use[kt]	Transport[kt]	Industry[kt]	Energy supply[kt]	TOTAL[kt]
SO2	0.96	0.53	0.03	0.94	1.57	4.02
NOx	2.50	5.08	9.86	4.50	3.36	25.31
NH3	17.16	1.12	0.26	0.01	0	18.55
NMVOC	17.54	7.42	1.91	1.83	1.42	30.12
PM2.5	0.78	7.66	0.52	0.75	0.31	10.03
PM10	3.76	7.84	0.78	0.77	0.47	13.62

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Figure EN09-3: Emission trends of ozone precursors, acidifying substances and particulate matter

Sources:

Jožef Stefan Institute, 2022, SEA, 2022

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	Ozone precursors[Index (2000 = 100)]	Acidifying substances[Index (2000 = 100)]	Particulate matter[Index (2000 = 100)]	Ozone precursors[kt]	Acidifying substances[kt]	Particulate matter[kt]
2005	100	100	100	137.24	3.63	105.72
2006	96.79	80.36	87.04	132.83	2.92	92.02
2007	96.03	78.39	86.91	131.79	2.85	91.88
2008	97.58	76.94	88.28	133.92	2.80	93.34
2009	85.08	70.55	74.25	116.77	2.56	78.50
2010	83.83	69.35	76.55	115.04	2.52	80.93
2011	81.04	68.51	71.19	111.22	2.49	75.27
2012	78.15	66.64	68.80	107.25	2.42	72.74
2013	75.00	63.91	65.98	102.93	2.32	69.75
2014	67.89	59.84	60.17	93.17	2.17	63.61
2015	65.50	56.23	57.04	89.89	2.04	60.30
2016	65.06	55.75	57.85	89.30	2.03	61.16
2017	63.87	55.02	55.41	87.65	2.00	58.58
2018	61.37	53.80	53.06	84.23	1.96	56.10
2019	57.15	51.44	50.60	78.43	1.87	53.50
2020	52.20	48.62	47.23	71.64	1.77	49.93

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Figure EN09-4: The structure of total emissions for acidifying substances, ground-level ozone precursors and primary and secondary particulate matter in 2020

Sources:

Jožef Stefan Institute, 2022, SEA, 2022

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	PM_10 - en[kt]	PM_10 - non-en[kt]	SO2 - en[kt]	SO2 - non-en[kt]	NOx - en[kt]	NOx - non-en[kt]	NH3 - en[kt]	NH3 - non-en[kt]	NMVOC - en[kt]	NMVOC - non-en[kt]	CO - en[kt]	CO - non-en[kt]	CH4 - en[kt]	CH4 - non-en[kt]	TOTAL[kt]	PM_10 - en[%]	PM_10 - non-en[%]	SO2 - en[%]	SO2 - non-en[%]	NOx - en[%]	NOx - non-en[%]	NH3 - en[%]	NH3 - non-en[%]	NMVOC - en[%]	NMVOC - non-en[%]	CO - en[%]	CO - non-en[%]	CH4 - en[%]	CH4 - non-en[%]
Acidifying	0	0	0.10	0.03	0.50	0.05	0.08	1.01	0	0	0	0	0	0	1.77			5.42	1.69	28.06	3.08	4.63	57.12
Ground-level ozone	0	0	0	0	27.83	3.05	0	0	12.58	17.54	8.97	0.61	0.21	0.85	71.64					38.84	4.26			17.56	24.48	12.53	0.85	0.29	1.19
Particulate matter	9.86	3.76	1.65	0.52	20.07	2.20	0.89	10.98	0	0	0	0	0	0	49.93	19.75	7.52	3.31	1.04	40.20	4.41	1.78	21.99

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Figure EN09-5: Emissions of acidifying substances, ozone precursors and particulate matter per sector in 2020

Sources:

Jožef Stefan Institute, 2022, SEA, 2022

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	Non-energy sector[kt]	Wide use[kt]	Transport[kt]	Industry[kt]	Energy supply[kt]	TOTAL[kt]	TOTAL - ENERGY SECTOR[kt]	Non-energy sector[%]	Wide use[%]	Transport[%]	Industry[%]	Energy supply[%]	TOTAL[%]	TOTAL - ENERGY SECTOR[%]
Acidifying	1.09	0.19	0.23	0.13	0.12	1.77	0.67	61.89	10.91	13.07	7.22	6.91	100	38.11
Ground-level ozone	22.05	20.54	15.27	7.97	5.81	71.64	49.59	30.78	28.67	21.31	11.12	8.11	100	69.22
Particulate matter	17.46	13.31	9.65	5.24	4.28	49.93	32.48	34.96	26.65	19.32	10.50	8.57	100	65.04

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Last modified: 15.12.2022

Author(s): Matjaž Česen, Jožef Stefan Institute

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[EN09] Emissions of air pollutants from energy sources

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