Station 2003a 2004b 2005c 2006c 2007c 2008c 2009c 2010c 2011c 2012c 2013c 2014c 2015c 2016c 2017c 2018c 2019c 2020c
Ajka, Bródy Imre u.
1 year average immission, µg/m³d 8.9 10.3 4.6 4.1 5.0 4.0 4.7 6.1 5.4 7.3 9.8 10.7 6.0 4.1 5.2 5.3 6.4 4.0
Hourly limit value excess, %e 0.14 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Budapest, Baross térf
1 year average immission, µg/m³d 13.5 6.2 4.7 4.3 3.7 .. .. .. .. .. .. .. .. .. .. .. .. ..
Hourly limit value excess, %e 0.00 0.00 0.00 0.00 0.00 .. .. .. .. .. .. .. .. .. .. .. .. ..
Budapest, Budatétényg
1 year average immission, µg/m³d .. .. .. .. .. .. 4.5 6.0
..h
..h
..h
..h
..h
..h
..h
.. .. ..
Hourly limit value excess, %e .. .. .. .. .. .. 0.00 0.00
..h
0.00
..h
..h
..h
..h
..h
.. .. ..
Budapest, Csepel
1 year average immission, µg/m³d .. 4.4 4.7 4.4 3.4 3.3 3.0 3.5 4.0 4.6 4.4
..h
3.3 5.4 11.0 5.8 4.5
..h
Hourly limit value excess, %e .. 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
0.00 0.00 0.00 0.00 0.00
..h
Budapest, Erzsébet tér
1 year average immission, µg/m³d .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
Hourly limit value excess, %e .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
Budapest, Gergely u.
1 year average immission, µg/m³d .. 19.8
..h
5.3 4.4 5.2 6.8 7.4
..h
..h
..h
..h
..h
..h
..h
5.1 4.0
..h
Hourly limit value excess, %e .. 0.00
..h
0.00 0.00 0.00 0.00 0.00
..h
0.00
..h
..h
..h
..h
..h
0.00 0.00
..h
Budapest, Gilice tér
1 year average immission, µg/m³d 13.0 5.2 4.7 4.9 4.0 4.5 6.0 6.3 6.8 5.5 6.1 3.9 2.9 2.7 2.7 2.3 2.9 3.7
Hourly limit value excess, %e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Budapest, Honvéd telep
1 year average immission, µg/m³d .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
Hourly limit value excess, %e .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
Budapest, Káposztásmegyer
1 year average immission, µg/m³d .. .. .. .. .. .. .. 4.9 3.2 3.9 4.9
..h
..h
3.1 3.3 4.1 4.5
..h
Hourly limit value excess, %e .. .. .. .. .. .. .. 0.00 0.00 0.00 0.00
..h
..h
0.00 0.00 0.00 0.00
..h
Budapest, Kosztolányi D. téri
1 year average immission, µg/m³d ..
..h
5.1 5.5 5.4 5.9 7.4 7.3 6.8 6.4 6.0
..h
..h
4.9
..h
.. .. ..
Hourly limit value excess, %e ..
..h
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
..h
0.00
..h
.. .. ..
Budapest, Kőrakás park
1 year average immission, µg/m³d .. 8.7 4.6 4.4 4.3 5.0 8.1 8.3
..h
..h
5.6
..h
5.1 2.3 4.5 3.6 4.0 4.8
Hourly limit value excess, %e .. 0.01 0.00 0.00 0.00 0.00 0.00 0.00
..h
..h
0.00
..h
0.00 0.00 0.00 0.00 0.00 0.00
Budapest, Pesthidegkút
1 year average immission, µg/m³d .. 6.5 3.7 5.3 4.1 3.8 5.7 7.2 7.2 7.1 4.6
..h
2.6 4.2 3.8 4.3 3.6 2.9
Hourly limit value excess, %e .. 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
0.00 0.00 0.00 0.00 0.00 0.00
Budapest, Széna tér
1 year average immission, µg/m³d .. 5.2 4.2 4.4 5.5 5.5 5.4 5.1 6.0 5.7 5.4 5.0 6.3 4.9 4.5 5.3 5.1 5.3
Hourly limit value excess, %e .. 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Budapest, Teleki térj
1 year average immission, µg/m³d .. .. .. .. 4.1 5.4 5.0 6.1 5.0 6.7 5.6
..h
6.0 5.9 7.1 6.2 3.0 6.1
Hourly limit value excess, %e .. .. .. .. 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
0.00 0.00 0.00 0.00 0.00 0.00
Budapest, Tétényk
1 year average immission, µg/m³d .. ..
..h
4.4 6.5 5.0 4.1 .. .. .. .. .. .. .. .. .. .. ..
Hourly limit value excess, %e .. ..
..h
0.00 0.00 0.00 0.00 .. .. .. .. .. .. .. .. .. .. ..
Debrecen, Hajnal u.
1 year average immission, µg/m³d .. .. .. .. .. ..
..h
6.2 4.2 4.3
..h
5.3
..h
3.0 3.2 3.5 2.6 3.2
Hourly limit value excess, %e .. .. .. .. .. ..
..h
0.00 0.00 0.00
..h
0.00
..h
0.00 0.00 0.00 0.00 0.00
Debrecen, Kalotaszeg tér
1 year average immission, µg/m³d 3.5 7.8 12.5 10.6 9.4 6.2 8.4 9.0 7.3 6.9 7.4 4.6 3.9 3.2 3.4 3.3 2.9 3.3
Hourly limit value excess, %e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Debrecen, Klinika
1 year average immission, µg/m³d .. 3.8 3.7 7.3 5.8 5.6 3.7 6.4
..h
..h
..h
4.6
..h
..h
4.0 3.7 3.7 1.5
Hourly limit value excess, %e .. 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
..h
..h
0.00
..h
..h
0.00 0.00 0.00 0.00
Dorog, Zsigmondy lakótelep
1 year average immission, µg/m³d 21.9 12.2 10.2 8.6 8.5 8.6 8.1 9.0 10.2
..h
..h
6.5 6.6 4.6 3.8 3.7 3.4 5.4
Hourly limit value excess, %e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
..h
0.00 0.00 0.00 0.00 0.00 0.00 0.00
Dunaújváros, Köztársaság út
1 year average immission, µg/m³d
..h
10.9 6.3 5.9 5.0 5.8 5.7 11.0 10.7 16.9 18.7 16.7 1.4 4.2 4.3 4.6 4.0 4.1
Hourly limit value excess, %e
..h
0.01 0.00 0.00 0.00 0.00 0.00 0.03 0.06 0.00 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00
Eger, Katona térl
1 year average immission, µg/m³d 6.5 5.0 5.3 6.4 7.7 7.6 7.2 6.3 8.0 5.8 .. .. .. .. .. .. .. ..
Hourly limit value excess, %e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .. .. .. .. .. .. .. ..
Eger 2, Malomárok u.m
1 year average immission, µg/m³d .. .. .. .. .. .. .. .. .. 12.2 6.2 5.1 7.2 7.6 8.7 9.0 6.2 4.7
Hourly limit value excess, %e .. .. .. .. .. .. .. .. .. 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Esztergom, Petőfi Sándor u.
1 year average immission, µg/m³d .. 7.8 4.3 3.2 3.2 3.7 5.7 4.8 5.9 6.1 5.7 5.2 2.0 3.8 5.1 3.5 3.3
..h
Hourly limit value excess, %e .. 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
Győr, Ifjúság körút
1 year average immission, µg/m³d 11.5 6.6 9.0 9.2 7.1 7.4 6.4 9.7 10.8 6.5 3.4 4.0 2.8 2.4 2.7 2.3 2.9 2.4
Hourly limit value excess, %e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Győr, Szent István út
1 year average immission, µg/m³d 9.1 7.7 8.1 8.8 7.4 7.2 7.1 7.7 8.7 7.0 5.4 2.7 3.0 3.9 5.0
..h
2.3 2.4
Hourly limit value excess, %e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
0.00 0.00
Kazincbarcika, Egressy Béni út
1 year average immission, µg/m³d 18.4 11.3 9.4 9.6 11.1 11.3 11.7 11.8 9.6 11.4 9.7 5.5 4.5 4.4 6.7 4.4 4.7 4.1
Hourly limit value excess, %e 0.15 0.02 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Kecskemét, Tóth László sétány
1 year average immission, µg/m³d .. .. .. .. .. .. .. .. .. .. .. ..
..h
4.3 5.1 3.9 5.4 8.7
Hourly limit value excess, %e .. .. .. .. .. .. .. .. .. .. .. ..
..h
0.00 0.00 0.00 0.00 0.00
Komló, Templom tér
1 year average immission, µg/m³d 13.4 8.3 5.3
..h
..h
..h
..h
2.9 7.9 9.4
..h
..h
6.6 7.6
..h
..h
5.5 5.1
Hourly limit value excess, %e 0.15 0.00 0.00
..h
..h
..h
..h
0.00 0.00 0.00
..h
..h
0.00 0.00
..h
..h
0.00 0.00
Miskolc, Alföldi u.
1 year average immission, µg/m³d .. 8.6 8.2 8.7 6.5 9.7 13.6 11.9 14.0 13 11.2 7.8 8.3 8.7 9.3 7.6 7.6
..h
Hourly limit value excess, %e .. 0.00 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
Miskolc, Búza tér
1 year average immission, µg/m³d 12.0 9.2 10.3 7.6 5.1 6.7 8.1 9.1 8.7 9.7 7.0 6.7 5.7 5.3 6.2 5.2 4.8 3.7
Hourly limit value excess, %e 0.03 0.00 0.00 0.00 0.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Miskolc, Lavotta u.
1 year average immission, µg/m³d .. 10.3 13.4 12.9 8.5 8.0 7.0 8.1
..h
10.6 13.5 14.0 7.6 9.7 12.5 10.5 11.0 9.0
Hourly limit value excess, %e .. 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
0.00 0.00 0.01 0.00 0.00 0.00 0.01 0.00 0.00
Mosonmagyaróvár, Gulyás Lajos u. 5.
1 year average immission, µg/m³d .. .. .. .. .. .. .. .. .. ..
..h
3.0 2.1 2.6 2.4 2.2 2.2 2.3
Hourly limit value excess, %e .. .. .. .. .. .. .. .. .. ..
..h
0.00 0.00 0.00 0.00 0.00 0.00 0.00
Nyíregyháza, Széna tér
1 year average immission, µg/m³d 6.1 5.0 3.7 3.9 2.5 2.5 2.1 1.4 2.2 2.5 2.5 1.7 2.3 3.1 3.2 3.6 3.3 2.6
Hourly limit value excess, %e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Oszlár, Petőfi u.
1 year average immission, µg/m³d .. 10.5 7.0 7.9 8.3 8.4 8.6 9.7 7.7 11.5 10.9 10.8 9.7 6.1 8.9 6.1 5.1 6.5
Hourly limit value excess, %e .. 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Pécs, Boszorkány u.
1 year average immission, µg/m³d 22.0 14.7 4.7 7.4 ..
..h
7.2 7.7 7.7 8.3 9.5 6.6 1.9 2.5 3.3 4.1 2.7 3.8
Hourly limit value excess, %e 1.15 0.63 0.00 0.00 ..
..h
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Pécs, Légszeszgyár u.n
1 year average immission, µg/m³d 15.5 10.8 10.9 9.2 8.6 11.3 .. .. .. .. .. .. .. .. .. .. .. ..
Hourly limit value excess, %e 0.25 0.02 0.00 0.00 0.00 0.00 .. .. .. .. .. .. .. .. .. .. .. ..
Pécs, Nevelési Központ
1 year average immission, µg/m³d .. .. .. 10.0 6.5
..h
..h
7.1
..h
..h
.. .. .. .. .. .. .. ..
Hourly limit value excess, %e .. .. .. 0.00 0.00
..h
..h
0.00
..h
..h
.. .. .. .. .. .. .. ..
Pécs, Szabadság út
1 year average immission, µg/m³d 23.7 17.6 4.7 7.7 6.2 16.5
..h
4.1 6.0 10.8 12.8 6.6 3.0 3.6 4.9 4.8 2.8 3.5
Hourly limit value excess, %e 0.77 0.72 0.00 0.00 0.00 0.00
..h
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Putnok, Bajcsy-Zsilinszky úto
1 year average immission, µg/m³d .. 32.9 30.8 23.3 16.3 18.5 18.9 27.2 21.6 23.7 20.9 17.9 21.1
..h
..h
17.2 15.3 12.1
Hourly limit value excess, %e .. 0.01 0.04 0.17 0.02 0.02 0.05 0.21 0.01 0.20 0.10 0.01 0.13
..h
..h
0.01 0.00 0.00
Sajószentpéter, Sport u.
1 year average immission, µg/m³d 20.5 13.3 13.9 15.3 12.6 14.6 14.2 15.0 12.8 13.6 12.3 9.5 9.3 8.6 10.6 8.6 7.0 4.5
Hourly limit value excess, %e 0.14 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.00
Salgótarján, Vasvári Pál út
1 year average immission, µg/m³d
..h
4.8 3.7 3.7 3.3 5.3 6.5 6.3 7.9 7.2
..h
6.6 4.7 4.7 6.5 10.5 4.1 2.8
Hourly limit value excess, %e
..h
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
0.00 0.00 0.00 0.00 0.00 0.00 0.00
Sopron, Kodály Zoltán tér
1 year average immission, µg/m³d .. 4.4 4.1 4.7 5.5 4.3 4.3 4.4 5.0 4.2 4.4 4.1 1.7 2.7 3.6 3.6 3.8 3.9
Hourly limit value excess, %e .. 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Százhalombatta, Búzavirág tér
1 year average immission, µg/m³d 23.9 11.8 3.7 3.7 8.2 6.5 5.8 5.4 5.9 6.5 7.4
..h
4.7 2.7 4.5 4.6 3.1 3.9
Hourly limit value excess, %e 0.20 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
0.00 0.00 0.03 0.00 0.00 0.00
Százhalombatta2, Erőmű út
1 year average immission, µg/m³d .. .. 3.9 5.5 4.7 4.8 5.1 5.7 5.9
..h
..h
..h
.. .. .. 8.7 4.3
..h
Hourly limit value excess, %e .. .. 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
..h
..h
.. .. .. 0.00 0.00
..h
Százhalombatta3, Liszt Ferenc sétány
1 year average immission, µg/m³d .. .. 4.7 3.6 2.3 2.8 5.5 4.3 4.1
..h
..h
..h
..h
9.2
..h
6.5 3.9 3.8
Hourly limit value excess, %e .. .. 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
..h
..h
..h
0.00
..h
0.00 0.00 0.00
Szeged, Kossuth L. sugárútp
1 year average immission, µg/m³d 8.0 5.1 4.9 5.4 5.5 6.3 6.7 6.4 7.8 .. .. .. .. .. .. .. .. ..
Hourly limit value excess, %e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .. .. .. .. .. .. .. .. ..
Szeged 2, Rózsa u.q
1 year average immission, µg/m³d .. .. .. .. .. .. .. .. 6.3 5.1 4.8 4.9 3.5 8.0 9.2 6.1 9.0 9.0
Hourly limit value excess, %e .. .. .. .. .. .. .. .. 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Szentgotthárd, Füzes u. 7.
1 year average immission, µg/m³d .. .. .. .. .. .. .. .. .. ..
..h
2.9 1.2 1.2 1.8 1.6 2.0 3.1
Hourly limit value excess, %e .. .. .. .. .. .. .. .. .. ..
..h
0.00 0.00 0.00 0.00 0.00 0.00 0.00
Székesfehérvár, Palotai út
1 year average immission, µg/m³d .. .. .. .. .. .. .. .. .. .. .. .. .. 2.6 3.6 3.3 2.3 4.3
Hourly limit value excess, %e .. .. .. .. .. .. .. .. .. .. .. .. .. 0.00 0.00 0.00 0.00 0.00
Szolnok, Ady Endre út
1 year average immission, µg/m³d 4.7 3.6 1.8 2.5 .. .. .. .. .. .. 9.4 7.9 7.3 5.1 4.8 5.0 4.8 4.4
Hourly limit value excess, %e 0.00 0.00 0.00 0.00 .. .. .. .. .. .. 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Szombathely, Markusovszky Lajos utca
1 year average immission, µg/m³d .. .. .. .. .. .. .. .. .. ..
..h
2.7 3.5 3.2 3.6 3.9 4.2 4.2
Hourly limit value excess, %e .. .. .. .. .. .. .. .. .. ..
..h
0.00 0.00 0.00 0.00 0.00 0.00 0.00
Tatabánya, Erdész u.r
1 year average immission, µg/m³d 30.3 17.3 7.2 7.3 7.1 6.2 6.1 8.6
..h
.. .. .. .. .. .. .. .. ..
Hourly limit value excess, %e 0.92 0.40 0.00 0.00 0.00 0.00 0.00 0.00
..h
.. .. .. .. .. .. .. .. ..
Tatabánya, Ságvári út
1 year average immission, µg/m³d 18.1 11.3 8.7 8.1 6.9 6.5 6.2 7.3 7.1 8.4 7.2 3.6 2.0 2.3 2.3 2.0
..h
2.7
Hourly limit value excess, %e 0.21 0.22 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
0.00
Tököl, Millenium park
1 year average immission, µg/m³d .. .. .. .. 2.2 3.4 4.2 3.6 4.6 5.0 4.0
..h
..h
..h
..h
4.7 4.3 5.1
Hourly limit value excess, %e .. .. .. .. 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
..h
..h
..h
0.00 0.00 0.00
Vác, Görgey Artúr u.s
1 year average immission, µg/m³d 6.4 3.8 2.1 4.5 2.8 3.8 4.4 6.1 3.2 .. .. .. .. .. .. .. .. ..
Hourly limit value excess, %e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .. .. .. .. .. .. .. .. ..
Vác, Csányi krt.t
1 year average immission, µg/m³d .. .. .. .. .. .. .. .. 3.3
..h
3.4
..h
..h
..h
..h
..h
3.5 5.0
Hourly limit value excess, %e .. .. .. .. .. .. .. .. 0.00
..h
0.00
..h
..h
..h
..h
..h
0.00 0.00
Várpalota, Szent István út
1 year average immission, µg/m³d 15.6
..h
8.8 5.4 5.7 11.4 10.3 14.0 11.7 10.4 5.7 6.7
..h
4.3 4.9 2.6 1.8 1.9
Hourly limit value excess, %e 0.00
..h
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
..h
0.00 0.00 0.00 0.00 0.00
Veszprém, Kádár u.
1 year average immission, µg/m³d 6.1 6.4 11.0 6.0 3.8 3.4 3.6 6.1 5.3 9.4 6.7 6.7 4.2 4.5 2.8 7.0 6.0 2.8
Hourly limit value excess, %e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Hernádszurdok, Gátőrház 3. (Rural background station)
1 year average immission, µg/m³d
..h
13.7 8.4 9.9 6.5 6.6 7.4 9.4 9.5 10.10 8.3 6.9 10.0 8.2 9.0 8.7 6.1 5.3
Hourly limit value excess, %e
..h
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Rudabánya, Erdőszállás u. 5. (Rural background station)
1 year average immission, µg/m³d .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
Hourly limit value excess, %e .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
Sarród, Fertőújlak (Rural background station)
1 year average immission, µg/m³d 3.9 2.8 2.6 2.8 3.2 2.6 2.5 2.5 1.4 4.0 3.90 2.9 1.9 1.5 1.9 2.0 1.7 1.5
Hourly limit value excess, %e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

Footnotes

*
Source: Hungarian Meteorological Service Observation Department Air Quality Reference Centre.
a
Limit value for 1 hour: 300 µg/m³ regarding the limit of tolerance. Annual limit value: 50 µg/m³
b
Limit value for 1 hour: 275 µg/m³ regarding the limit of tolerance. Annual limit value: 50 µg/m³
c
Limit value for 1 hour: 250 µg/m³ regarding the limit of tolerance. Annual limit value: 50 µg/m³
d
It is counted from 1 hourly averages.
e
Number of exceedences of the 1 hour limit value as a percentage of the total 1 hour data without subtracting the allowed number of exceedences.
f
Monitoring station of Baross tér operated until 14.06.2007., then the monitoring system was relocated to Budapest Teleki tér, because of the underground construction.
g
Budapest Tétény measuring station was relocated to Budapest Budatétény in 2009. Measuring time from 03.09. 2009 to 31.12.2017.
h
Number of valid data does not fulfill the quality requirements of the laws in force.
i
Measuring station has not been operating since 01.01.2018.
j
This monitoring station has been measuring from 25.08.2007. by the relocation of measuring station Budapest Baross tér.
k
Measuring station Budapest Tétény was relocated in 2009 to Budapest Budatétény. Measuring period: until 01.09.2009.
l
Measuring station Eger was relocated within the city in measuring station Eger2. Measuring period: until 30. 09. 2012.
m
Measuring station Eger was relocated within the city in Eger2 station. Measuring period from 01.10.2012.
n
The work of this measuring station was finished by the 1st January 2009.
o
The work of this measuring station was finished by the 21st August 2015.
p
Measuring station Szeged was relocated within the city in 2011. Measuring period: until 21. 03. 2011.
q
Measuring station Szeged was relocated within the city in 2011. Measuring period from 26. 03. 2011.
r
The work of this measuring station was finished by the 21st June 2011.
s
Measuring station Vác was relocated within the city in 2011. Measuring period until 11. 10. 2011.
t
Measuring station Vác was relocated within the city in 2011. Measuring period from 14. 10. 2011.
.