[ZR06] Air pollution by nitrogen dioxide

Key message

The measured concentrations of nitrogen dioxide and total nitrogen oxides in outdoor air do not exceed the prescribed limit values, so pollution with these two pollutants is not dangerous to human health and vegetation.

Sources:

Datebase from the national network for monitoring air quality (DMKZ), Slovenian Environemt Agency, 2012.

Note to Figure ZR6-1: The measuring station Ljubljana center, which is operated by the Municipality of Ljubljana, has moved from its location at the intersection of Figovec to Vošnjak and Tivoli streetsat at the end of 2009. The station was renovated in accordance with the requirements of the law.

np = no data

1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | ||
---|---|---|---|---|---|---|---|---|---|---|---|

Urban background | number of hours | 5 | 9 | 14 | 6 | 1 | np | 0 | 0 | 0 | 0 |

Ljubljana Bežigrad | number of hours | np | np | np | np | np | np | np | np | np | np |

Celje | number of hours | 5 | 9 | 14 | 6 | 1 | np | 0 | 0 | 0 | 0 |

Nova Gorica | number of hours | np | np | np | np | np | np | np | np | np | np |

Koper | number of hours | np | np | np | np | np | np | np | np | np | np |

Suburban background | number of hours | np | np | np | np | np | 0 | 0 | 0 | 0 | 0 |

Trbovlje | number of hours | np | np | np | np | np | 0 | 0 | 0 | 0 | 0 |

Urban-traffic type | number of hours | 15 | 21 | 2 | 0 | 0 | 0 | 3 | 2 | 7 | 0 |

- Ljubljana center | number of hours | 15 | 21 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 0 |

- Maribor center | number of hours | 0 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |

Rural/Agricultural type | number of hours | np | np | np | np | np | np | np | np | np | np |

Murska Sobota - Rakičan | number of hours | np | np | np | np | np | np | np | np | np | np |

permitted exceedance | number of hours | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |

2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | ||

Urban background | number of hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |

Ljubljana Bežigrad | number of hours | np | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |

Celje | number of hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |

Nova Gorica | number of hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |

Koper | number of hours | np | np | np | np | np | np | 0 | 0 | 0 | 0 |

Suburban background | number of hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |

Trbovlje | number of hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |

Urban-traffic type | number of hours | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 7 | 0 |

- Ljubljana center | number of hours | 0 | np | np | np | np | np | np | np | 7 | 0 |

- Maribor center | number of hours | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |

Rural/Agricultural type | number of hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | np | 0 |

Murska Sobota - Rakičan | number of hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | np | 0 |

permitted exceedance | number of hours | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |

2012 | |||||||||||

Urban background | number of hours | 0 | |||||||||

Ljubljana Bežigrad | number of hours | 0 | |||||||||

Celje | number of hours | 0 | |||||||||

Nova Gorica | number of hours | 0 | |||||||||

Koper | number of hours | 0 | |||||||||

Suburban background | number of hours | 0 | |||||||||

Trbovlje | number of hours | 0 | |||||||||

Urban-traffic type | number of hours | 1 | |||||||||

- Ljubljana center | number of hours | 0 | |||||||||

- Maribor center | number of hours | 1 | |||||||||

Rural/Agricultural type | number of hours | 0 | |||||||||

Murska Sobota - Rakičan | number of hours | 0 | |||||||||

permitted exceedance | number of hours | 18 |

Sources:

Database from the National network for monitoring air quality (DMKZ), Slovenian Environmental Agency; Database of automatic measurement measuring network TPP, TPP Trbovlje the Ljubljana, Milan Vidmar Electric Institute , 2011.

Note to Figure ZR6-2: Measuring Station Ljubljana center, which is operated by the Municipality of Ljubljana, has moved from its location at the intersection of Figovec to Vošnjak and Tivoli streets at the end of 2009. The station was renovated in accordance with the requirements of the law. Data for the new station Ljubljana center will be available from 2010.

np = no data

1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | ||
---|---|---|---|---|---|---|---|---|---|---|---|

Urban background | µg/m3 | 32 | 37 | 37 | 35 | 33 | np | 29 | 28 | 30 | 26 |

Ljubljana Bežigrad | µg/m3 | np | np | np | np | np | np | np | np | np | np |

Celje | µg/m3 | 32 | 37 | 37 | 35 | 33 | np | 29 | 28 | 30 | 26 |

Nova Gorica | µg/m3 | np | np | np | np | np | np | np | np | np | np |

Koper | µg/m3 | np | np | np | np | np | np | np | np | np | np |

Suburban background | µg/m3 | np | np | np | np | np | 29 | 19 | 17 | 18 | 6 |

Trbovlje | µg/m3 | np | np | np | np | np | 29 | 29 | 26 | 28 | np |

- Škale | µg/m3 | np | np | np | np | np | np | 8 | 8 | 8 | 6 |

Urban-traffic type | µg/m3 | 50 | 50 | 43 | 39 | 39 | 37 | 41 | 44 | 41 | 37 |

Ljubljana center | µg/m3 | 49 | 47 | 41 | 38 | 39 | 36 | 42 | 49 | 38 | 36 |

Maribor center | µg/m3 | 50 | 53 | 45 | 39 | 39 | 38 | 39 | 39 | 44 | 38 |

Rural/Agricultural type | µg/m3 | np | np | np | np | np | np | np | np | np | np |

Murska Sobota - Rakičan | µg/m3 | np | np | np | np | np | np | np | np | np | np |

Rural/Industrial type | µg/m3 | 7 | 7 | 10 | 10 | 4 | 5 | 6 | 7 | 6 | 6 |

- Zavodnje | µg/m3 | 3 | 5 | 11 | 9 | 5 | 7 | 7 | 6 | 7 | 6 |

- Kovk | µg/m3 | 10 | 8 | 8 | 11 | 2 | 4 | 7 | 9 | 7 | 6 |

- Vnajnarje | µg/m3 | np | np | np | np | np | 4 | 3 | 5 | 4 | 5 |

annual limit value | µg/m3 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 |

2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | ||

Urban background | µg/m3 | 27 | 29 | 26 | 26 | 27 | 25 | 25 | 25 | 28 | 27 |

Ljubljana Bežigrad | µg/m3 | 29 | 32 | 29 | 27 | 29 | 28 | 29 | 31 | 35 | 31 |

Celje | µg/m3 | 24 | 27 | 24 | 26 | 28 | 23 | 21 | 22 | 26 | 25 |

Nova Gorica | µg/m3 | 27 | 27 | 25 | 24 | 24 | 25 | 30 | 28 | 29 | 28 |

Koper | µg/m3 | np | np | np | np | np | np | 21 | 19 | 21 | 22 |

Suburban background | µg/m3 | 28 | 20 | 18 | 15 | 16 | 15 | 16 | 13 | 14 | 13 |

Trbovlje | µg/m3 | 28 | 32 | 27 | 24 | 23 | 22 | 23 | 17 | 20 | 17 |

- Škale | µg/m3 | np | 8 | 9 | 5 | 9 | 8 | 8 | 9 | 8 | 8 |

Urban-traffic type | µg/m3 | 36 | 37 | 31 | 33 | 39 | 37 | 34 | 32 | 49 | 45 |

Ljubljana center | µg/m3 | np | np | np | np | np | np | np | np | 63 | 55 |

Maribor center | µg/m3 | 36 | 37 | 31 | 33 | 39 | 37 | 34 | 32 | 34 | 34 |

Rural/Agricultural type | µg/m3 | 14 | 15 | 11 | 14 | 15 | 17 | 16 | 14 | np | 16 |

Murska Sobota - Rakičan | µg/m3 | 14 | 15 | 11 | 14 | 15 | 17 | 16 | 14 | np | 16 |

Rural/Industrial type | µg/m3 | 6 | 5 | 8 | 6 | 7 | 7 | 7 | 6 | 6 | 9 |

- Zavodnje | µg/m3 | np | 6 | 5 | 3 | 4 | 3 | 3 | 4 | 5 | 9 |

- Kovk | µg/m3 | 6 | 3 | 13 | 10 | 12 | 12 | 12 | 9 | 9 | 11 |

- Vnajnarje | µg/m3 | 6 | 5 | 5 | 4 | 5 | 5 | 5 | 4 | 4 | 7 |

annual limit value | µg/m3 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 |

2012 | |||||||||||

Urban background | µg/m3 | 23 | |||||||||

Ljubljana Bežigrad | µg/m3 | 22 | |||||||||

Celje | µg/m3 | 27 | |||||||||

Nova Gorica | µg/m3 | 26 | |||||||||

Koper | µg/m3 | 18 | |||||||||

Suburban background | µg/m3 | 12 | |||||||||

Trbovlje | µg/m3 | 17 | |||||||||

- Škale | µg/m3 | 7 | |||||||||

Urban-traffic type | µg/m3 | 43 | |||||||||

Ljubljana center | µg/m3 | 52 | |||||||||

Maribor center | µg/m3 | 33 | |||||||||

Rural/Agricultural type | µg/m3 | 19 | |||||||||

Murska Sobota - Rakičan | µg/m3 | 19 | |||||||||

Rural/Industrial type | µg/m3 | 8 | |||||||||

- Zavodnje | µg/m3 | 8 | |||||||||

- Kovk | µg/m3 | 6 | |||||||||

- Vnajnarje | µg/m3 | 10 | |||||||||

annual limit value | µg/m3 | 40 |

Sources:

Database from the National network for monitoring air quality (DMKZ), Slovenian Environmental Agency; Database of automatic measurement measuring network TPP, TPP Trbovlje the Ljubljana, Milan Vidmar Electric Institute ,2011.

Note to Figure ZR6-2: Measuring Station Ljubljana center, which is operated by the Municipality of Ljubljana, has moved from its location at the intersection of Figovec to Vošnjak and Tivoli streets at the end of 2009. The station was renovated in accordance with the requirements of the law. Data for the new station Ljubljana center will be available from 2010.

np = no data

1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | ||
---|---|---|---|---|---|---|---|---|---|---|---|

Urban background | µg/m3 | np | np | np | np | 44 | 42 | 45 | 43 | 43 | 45 |

Ljubljana Bežigrad | µg/m3 | np | np | np | np | np | 48 | 49 | 46 | 43 | 45 |

Celje | µg/m3 | np | np | np | np | 44 | 37 | 44 | 41 | 45 | 46 |

Nova Gorica | µg/m3 | np | np | np | np | np | 41 | 43 | 43 | 41 | 43 |

Koper | µg/m3 | np | np | np | np | np | np | np | np | np | np |

Suburban background | µg/m3 | np | np | 9 | 30 | 8 | 35 | 33 | 29 | 24 | 25 |

Trbovlje | µg/m3 | np | np | np | 50 | np | 52 | 54 | 47 | 41 | 39 |

- Škale | µg/m3 | 9 | 9 | 8 | 18 | 11 | 10 | 6 | 10 | ||

Urban-traffic type | µg/m3 | np | np | np | np | 68 | 61 | 61 | 54 | 60 | 71 |

Ljubljana center | µg/m3 | np | np | np | np | 64 | np | np | np | np | np |

Maribor center | µg/m3 | np | np | np | np | 72 | 61 | 61 | 54 | 60 | 71 |

Rural/Agricultural type | µg/m3 | np | np | np | np | np | 19 | 20 | 17 | 20 | 23 |

Murska Sobota - Rakičan | µg/m3 | np | np | np | np | np | 19 | 20 | 17 | 20 | 23 |

Rural/Industrial type | µg/m3 | 7 | 6 | 8 | 9 | 7 | 7 | 6 | 10 | 7 | 8 |

- Zavodnje | µg/m3 | 9 | 8 | 7 | 9 | 8 | 7 | 7 | 5 | 5 | |

- Kovk | µg/m3 | 6 | 7 | 11 | 9 | 7 | 7 | 5 | 17 | 12 | 14 |

- Vnajnarje | µg/m3 | 5 | 3 | 6 | 5 | 6 | 6 | 5 | 5 | 5 | |

annual limit value for protection of vegetation | µg/m3 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |

2007 | 2008 | 2009 | 2010 | 2011 | 2012 | ||||||

Urban background | µg/m3 | 43 | 43 | 45 | 50 | 47 | 44 | ||||

Ljubljana Bežigrad | µg/m3 | 45 | 52 | 57 | 64 | 56 | 47 | ||||

Celje | µg/m3 | 40 | 40 | 47 | 53 | 47 | 50 | ||||

Nova Gorica | µg/m3 | 44 | 50 | 53 | 56 | 57 | 50 | ||||

Koper | µg/m3 | np | 28 | 24 | 28 | 28 | 28 | ||||

Suburban background | µg/m3 | 26 | 25 | 23 | 25 | 22 | 21 | ||||

Trbovlje | µg/m3 | 38 | 40 | 37 | 40 | 33 | 32 | ||||

- Škale | µg/m3 | 13 | 10 | 9 | 9 | 10 | 9 | ||||

Urban-traffic type | µg/m3 | 70 | 63 | 61 | 95 | 88 | 81 | ||||

Ljubljana center | µg/m3 | np | np | np | 122 | 105 | 96 | ||||

Maribor center | µg/m3 | 70 | 63 | 61 | 68 | 70 | 65 | ||||

Rural/Agricultural type | µg/m3 | 24 | 22 | 20 | np | 28 | |||||

Murska Sobota - Rakičan | µg/m3 | 24 | 22 | 20 | np | 28 | |||||

Rural/Industrial type | µg/m3 | 10 | 7 | 6 | 7 | 11 | 9 | ||||

- Zavodnje | µg/m3 | 11 | 6 | 5 | 7 | 11 | 10 | ||||

- Kovk | µg/m3 | 14 | 10 | 8 | 11 | 13 | 7 | ||||

- Vnajnarje | µg/m3 | 5 | 5 | 6 | 4 | 8 | 11 | ||||

annual limit value for protection of vegetation | µg/m3 | 30 | 30 | 30 | 30 | 30 | 30 |