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[ZR08] Concentrations of particulate matter in ambient air
State

Key message
Neutral

Air pollution with PM10 was on average lower in 2020 than in previous years. The number of exceedances of the daily limit value for PM10 (50 ug/m3) surpassed allowed number of exceedances (35) only at one monitoring site in mainland Slovenia, and at this monitoring site two out of thirty-six exceedances are due to desert dust, which according to legislation is considered as natural source of pollution and is not taken into account with prescribed quality standards. The annual limit value for PM10 and PM2.5 particles was not exceeded at any monitoring site. Less polluted air with particles is the result of favorable meteorological conditions that prevailed in the winter period of the year. These allowes the dilution of emissions from small combustion plants and traffic, which are the main sources of PM10 particles emissions in Slovenia. Despite the fact that in recent years there has been a noticeable trend of decreasing particulate matter levels, occasionally, especially in adverse weather conditions, we still measure levels that pose a risk to our health.

Charts

Figure ZR08-1: Number of days with exceeded 24-hour limit concentration of 50 µg PM10/m3 (may not be exceeded more than 35 times per calendar year)
Sources:

National automatic measurement air quality network database, Environmental Agency of the Republic of Slovenia, database of complementary automated measurement networks (TE Šoštanj, TE-TO Ljubljana, EIS Anhovo, MO Ljubljana, MO Celje, MO Maribor, Občina Miklavž na Dravskem polju, Občina Ruše in MO Ptuj) (12.03.2021)

Show data
Urban background[number of days] - Ljubljana Bežigrad[number of days] - Ljubljana BF[number of days] - Celje[number of days] - Hrastnik[number of days] - Koper[number of days] - Nova Gorica[number of days] - Novo mesto[number of days] - Kranj[number of days] - Velenje[number of days] - Maribor Vrbanski[number of days] - Ptuj[number of days] - MB Tezno[number of days] Suburban background[number of days] - Trbovlje[number of days] - Pesje[number of days] - Škale[number of days] - Šoštanj[number of days] Urban-traffic type[number of days] - Maribor center[number of days] - Zagorje[number of days] - Ljubljana center[number of days] - Ljubljana Gospodarsko[number of days] - Celje Mariborska[number of days] - Nova Gorica Grčna[number of days] - Murska Sobota Cankarjeva[number of days] - Spuhlja[number of days] - Grosuplje[number of days] Rural/Agricultural type[number of days] - Prapretno[number of days] - Murska Sobota - Rakičan[number of days] - Ruše[number of days] - Miklavž[number of days] Rural/Industrial type[number of days] - Morsko[number of days] - Gorenje Polje[number of days] - Žerjav[number of days] Rural type/natural background[number of days] - Iskrba[number of days]
2005 68 70 0 97 0 0 37 0 0 0 0 0 0 65 157 23 15 0 111 101 143 0 0 0 0 0 0 0 40 15 65 0 0 0 0 0 5 5
2006 48 47 0 59 0 40 47 0 0 0 0 0 0 43 86 24 19 0 102 108 106 0 0 0 0 0 0 0 0 33 54 0 0 0 0 0 5 5
2007 38 46 0 48 0 19 40 0 0 0 0 0 0 35.33 81 14 11 0 95 91 99 0 0 0 0 0 0 0 0 36 37 0 0 17 18 16 0 0 0
2008 29.25 36 0 37 0 11 33 0 0 0 0 0 0 31 72 9 12 0 88 54 109 101 0 0 0 0 0 0 33.50 25 42 0 0 20 16 24 0 0 0
2009 24.60 30 25 42 0 2 24 0 0 0 0 0 0 24.33 48 12 13 0 67.67 35 56 112 0 0 0 0 0 0 25 20 30 0 0 15 14 16 0 5 5
2010 37.50 43 32 58 30 15 25 60 37 0 0 0 0 28.67 64 10 12 0 63 47 68 74 0 0 0 0 0 0 40.50 29 52 0 0 15.67 5 13 29 5 5
2011 48.44 63 51 73 51 21 28 69 55 0 25 0 0 34.67 68 16 20 0 77.67 64 75 94 0 0 0 0 0 0 60 49 71 0 0 36.67 13 18 79 3 3
2012 25.30 27 21 55 17 23 19 45 27 11 8 0 0 25.33 65 2 9 0 67.67 34 62 107 0 0 0 0 0 0 34.50 25 44 0 0 21.67 10 11 44 1 1
2013 23.73 22 24 51 15 10 12 49 28 8 7 0 0 14 50 6 0 0 52.67 36 48 74 0 0 0 0 0 0 20.50 3 38 0 0 15 3 5 37 0 0
2014 19.73 19 12 41 10 16 19 22 12 15 10 0 0 12.50 33 12 5 0 39.33 25 38 55 0 0 0 0 0 0 17.50 2 33 0 0 7.33 8 11 3 0 0
2015 33.36 43 35 70 22 28 24 40 17 9 3 0 0 14.75 50 9 0 0 63 34 70 85 0 0 0 0 0 0 23.50 0 47 0 0 7.67 7 10 6 0 0
2016 29.45 36 40 53 25 11 15 41 27 10 21 0 0 12.50 38 8 1 3 53.33 43 51 66 0 0 0 0 0 0 29.33 1 42 0 45 9.33 6 3 19 0 0
2017 29.17 30 32 49 19 18 24 33 28 19 21 38 0 20.50 39 20 9 14 41.50 35 46 51 39 57 21 0 0 0 33.33 0 44 17 39 7.33 6 7 9 3 3
2018 18.83 28 16 35 11 4 6 31 13 2 12 25 0 11.75 37 3 3 4 36 30 55 51 20 45 5 46 0 0 28 0 34 15 35 3.67 3 3 5 2 2
2019 11.17 16 8 23 9 8 10 10 8 2 0 15 0 4.75 16 1 1 1 25.71 13 28 37 21 43 10 28 0 0 18.67 0 14 11 31 4.33 5 7 1 2 2
2020 13.54 21 14 25 9 20 17 13 10 2 5 14 9 6.75 21 2 2 2 25.78 17 27 33 22 36 19 21 25 32 16.33 0 13 12 24 7.67 7 9 7 2 2
Figure ZR08-2: Average annual concentration of PM10 (annual limit value is 40 µg/m3)
Sources:

National automatic measurement air quality network database, Slovenian Environment Agency, database of complementary automated measurement networks, 2020 (Thermal power plant Šoštanj, TE-TO Thermal power plant Ljubljana, Environment Information System Anhovo, Municipality of Ljubljana, Municipality of Celje, Municipality of Maribor, Municipality of Miklavž in the Drava field, Municipality of Ruše, Municipality of Ptuj and Municipality of Grosuplje) (12.03.2021)

Show data
Urban background[µg/m3] - Ljubljana Bežigrad[µg/m3] - Ljubljana BF[µg/m3] - Celje[µg/m3] - Koper[µg/m3] - Nova Gorica[µg/m3] - Novo mesto[µg/m3] - Kranj[µg/m3] - Hrastnik[µg/m3] - EIS Celje[µg/m3] - Velenje[µg/m3] - Maribor Vrbanski[µg/m3] - Ptuj[µg/m3] - MB Tezno[µg/m3] Suburban background[µg/m3] - Trbovlje[µg/m3] - Pesje[µg/m3] - Škale[µg/m3] - Šoštanj[µg/m3] Urban-traffic type[µg/m3] - Maribor center[µg/m3] - Zagorje[µg/m3] - Ljubljana Center[µg/m3] - Ljubljana Gospodarsko[µg/m3] - Celje Mariborska[µg/m3] - Nova Gorica Grčna[µg/m3] - Murska Sobota Cankarjeva[µg/m3] - Spuhlja[µg/m3] - Grosuplje[µg/m3] Rural/Agricultural type[µg/m3] - Prapretno[µg/m3] - Murska Sobota-Rakičan[µg/m3] - Ruše[µg/m3] - Miklavž[µg/m3] Rural/Industrial type[µg/m3] - Morsko[µg/m3] - Gorenje Polje[µg/m3] - Žerjav[µg/m3] Rural type/natural background[µg/m3] - Iskrba[µg/m3] annual limit value[µg/m3]
2005 39.75 37 0 43 0 34 0 0 0 45 0 0 0 0 35 55 27 23 0 47.50 43 52 0 0 0 0 0 0 0 32.50 28 37 0 0 0 0 0 16 16 40
2006 32.75 33 0 35 31 32 0 0 0 0 0 0 0 0 31.33 40 28 26 0 44.50 43 46 0 0 0 0 0 0 0 34 34 34 0 0 0 0 0 16 16 40
2007 31.50 32 0 32 29 33 0 0 0 0 0 0 0 0 27.33 37 21 24 0 40.50 40 41 0 0 0 0 0 0 0 31.50 33 30 0 0 23.50 23 24 0 15 15 40
2008 29 30 0 30 25 31 0 0 0 0 0 0 0 0 26.67 38 20 22 0 40.67 34 44 44 0 0 0 0 0 0 29.50 29 30 0 0 24 22 26 0 16 16 40
2009 27.40 29 26 31 23 28 0 0 0 0 0 0 0 0 26.33 33 22 24 0 38 30 36 48 0 0 0 0 0 0 30 31 29 0 0 21.50 20 23 0 16 16 40
2010 29.13 30 27 32 25 29 31 32 27 0 0 0 0 0 26.33 34 22 23 0 37 33 36 42 0 0 0 0 0 0 29.50 29 30 0 0 21.67 19 20 26 14 14 40
2011 29.89 32 30 35 27 27 32 30 30 0 0 26 0 0 26.67 35 22 23 0 38.33 34 37 44 0 0 0 0 0 0 33.50 34 33 0 0 26 21 23 34 17 17 40
2012 25.60 26 27 31 24 24 28 26 24 0 22 24 0 0 24.67 32 20 22 0 35.67 30 32 45 0 0 0 0 0 0 28.50 28 29 0 0 23.33 20 21 29 15 15 40
2013 23.91 24 26 29 20 22 27 25 23 26 21 20 0 0 20.50 30 23 17 12 33.33 30 29 41 0 0 0 0 0 0 25 22 28 0 0 20 16 18 26 13 13 40
2014 22.35 22.70 22.20 27.67 19.08 21.01 22.53 21.94 20.76 29 20 19 0 0 19.89 26.57 23 17 13 30.84 26.52 28 38 0 0 0 0 0 0 22.03 19 25.05 0 0 13.33 8 11 21 11 11.37 40
2015 26.36 28 27 32 23 24 28 26 24 35 22 21 0 0 21.50 29 24 17 16 33.33 28 32 40 0 0 0 0 0 0 25 21 29 0 0 21 18 20 25 13 13 40
2016 23.64 24 27 32 19 21 26 23 22 27 19 20 0 0 21 26 23 16 19 32 27 29 40 0 0 0 0 0 0 23.67 18 26 0 27 18.67 16 17 23 11 11 40
2017 24.25 25 25 30 20 23 27 26 23 25 21 20 26 0 22.50 29 24 17 20 29.50 28 29 33 29 33 25 0 0 0 26.33 0 29 21 29 19.33 18 19 21 12 12 40
2018 23.17 27 21 28 18 20 26 22 22 29 19 21 25 0 21 27 19 17 21 29.14 28 32 35 24 31 24 30 0 0 25.33 0 26 22 28 18.33 15 17 23 14 14 40
2019 20.33 21 19 26 17 20 21 19 20 24 17 18 22 0 17.75 22 16 15 18 26.29 23 25 34 24 29 23 26 0 0 22.67 0 21 22 25 17.33 15 17 20 11 11 40
2020 19.85 22 19 22 20 20 20 19 19 23 17 17 19 21 17.50 21 15 16 18 24.89 22 24 29 23 26 23 24 25 28 20.33 0 21 18 22 18.67 15 18 23 10 10 40
Figure ZR08-3: Average annual concentration of PM2,5 (annual limit value is 25 µg/m3)
Sources:

National automatic measurement air quality network database, Slovenian Environment Agency, 2020 (12.03.2021)
 

Show data
Urban background[µg/m3] - LJ Bežigrad[µg/m3] - LJ Biotehniška[µg/m3] - MB Vrbanski plato[µg/m3] Urban-traffic type[µg/m3] - Maribor center[µg/m3] Rural background[µg/m3] - Iskrba[µg/m3]
2005 28 28 0 0 28 28 15 15
2006 29 29 0 0 31 31 13 13
2007 25 25 0 0 27 27 10 10
2008 24 24 0 0 23 23 11 11
2009 19 0 18 20 22 22 12 12
2010 22 0 22 22 24 24 12 12
2011 24 0 25 23 26 26 14 14
2012 19.50 0 21 18 21 21 13 13
2013 20 0 20 20 22 22 11 11
2014 17.36 0 17.70 17.01 19.20 19.20 9.33 9.33
2015 21 0 23 19 21 21 10 10
2016 21 0 23 19 21 21 9 9
2017 19 0 20 18 20 20 10 10
2018 16.67 19 0 17 0 0 11 11
2019 14 16 0 13 0 0 8 8
2020 14.25 16 0 12 0 0 7 7
Figure ZR08-4: Average exposure indicator (AEI) for PM2.5(a three-calendaryear running annual mean concentration averaged over last three calendar year - exposure concentration obligation that need to be met by 2015 is 20 µg/m3)
Sources:

National automatic measurement air quality network database (DKMZ), Slovenian Environment Agency, 2020 (12.03.2021)

Show data
LJ Biotehniška/Bežigrad[µg/m3] MB Vrbanski plato[µg/m3] exposure concentration obligation[µg/m3]
2011 22 22
2012 23 21
2013 22 20
2014 20 18
2015 20 19 20
2016 21 18 20
2017 22 19 20
2018 21 18 20
2019 18 16 20
2020 17 14 20

Methodology

Date of data source summarization
Last modified
12.03.2021
Author(s)

Tanja Koleša, Slovenian Environment Agency