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ISKO
Information about air quality in the Czech Republic
Information on the level ambient air pollution pursuant the Clean Air Act

Current overview of data from automated stations (non-verified data)

Updated: 2025-09-08 01:25 CEST

Region: Prague 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
     Centre of Prague    2A
AKALA Praha 8-Karlin   T/U/C CHMI 2A 50.6 27.2 48.6
ALEGA Praha 2-Legerova   T/U/RC CHMI 2A 41.6 14.8 47.5 8.1
AREPA Praha 1-n. Republiky   B/U/C CHMI 2A 42.6 13.7 47.6
ARIEA Praha 2-Riegrovy sady   B/U/NR CHMI 1B 3.8 20.3 2.4 47.4 1.6
AVRSA Praha 10-Vrsovice   T/U/R CHMI 2A 46.2 15.5 47.5
AVYNA Praha 9-Vysocany   T/U/CR CHMI 1B 32.2 21.1 28.2
     Periphery of Prague    1B
ABREA Praha 6-Brevnov   B/U/RN CHMI 1B 25.7 3.0 45.8
ACHOA Praha 4-Chodov   B/U/RN CHMI 1B 8.5 1.9 46.1
AKOBA Praha 8-Kobylisy   B/S/R CHMI 1B 14.9 9.3 57.7
ALERA Letiste Praha   T/S/C Letiste Pr 2A 20.1 20.0 54.1 9.2
ALIBA Praha 4-Libus   B/S/R CHMI 1B 3.2 23.8 9.4 44.3 1.9
APRUA Praha 10-Prumyslova   T/U/IC CHMI 1B 8.7 1.0 48.7
ARERA Praha 5-Reporyje   B/S/RA ZU Usti nL 1B 37.7 6.6 39.3 4.0
ASROA Praha 10-Srobarova   B/U/RC SZU 1B 4.5 4.4 48.4 2.5
ASTOA Praha 5-Stodulky   B/U/R CHMI 1B 15.8 26.2 3.9
ASUCA Praha 6-Suchdol   B/S/R CHMI 1B 3.2 56.3
AHOLA Praha 7-Holesovice   T/U/RC CHMI 2A 48.8 15.0 54.3 7.8
Region: Stredocesky 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
SBERA Beroun   T/U/RCI CHMI 1B 21.8 3.8 44.0 5.0
SKHOA Kutna Hora-Orebitska   B/U/R CHMI 1B 8.0 5.6 47.5 2.4
SKLMA Kladno-stred mesta   B/U/R CHMI 1B 3.7 42.4 2.4
SKLSA Kladno-Svermov   B/U/RI CHMI 1B 8.2 11.5 3.2 42.5
SKRPA Kralupy nad Vltavou-sportoviste   I/U/RCI ZU Usti nL 47.6
SMBOA Mlada Boleslav   B/U/R CHMI
SONRA Ondrejov   B/R/N-REG CHMI 1B 59.2 4.2
SPBRA Pribram-Brezové Hory   B/U/R CHMI 1B 15.9 2.8 47.8
SRORA Rozdalovice-Ruska   B/R/A-NCI CHMI 1B 3.4 4.1 1.0 44.8 2.9
STCSA Tobolka-Certovy schody   B/R/ANI-NCI VCs 2A 6.5 71.7 4.8 2.1
Region: Jihocesky 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
CCBDA Ceske Budejovice   B/U/R CHMI 1A 3.6 17.3 1.9 20.0 1.7
CCBTA Ces. Budejovice-Tres   B/U/R ZU Usti nL 1A 6.1 20.4 3.7
CCHUA Churanov   B/R/N-REG CHMI 2A 2.3 0.9 84.3 0.1
CKOCA Kocelovice   B/R/N-REG CHMI 1B 69.3 3.6
CPRAA Prachatice   B/S/R CHMI 1B 5.4 3.5 34.2
CSTRA Strakonice-ZS Strakonice   B/U/R ZU Usti nL 1B 7.6 40.5 5.0
CTACA Tabor   T/U/RC CHMI 1B 11.5 6.1 58.2
CHVOA Hojna Voda   B/R/N-REG CHMI 2A 1.6 82.7
Region: Plzensky 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
PKUJA Kamenny Ujezd   B/R/NA-NCI CHMI 1B 3.2 6.9 3.9 62.2 1.0
PPLAA Plzen-Slovany   T/U/RC MPI/CHMI 1B 1.3 13.8 4.7 50.9 3.8
PPLLA Plzen-Lochotin   B/U/R MPI/CHMI 2A 5.3 9.4 5.1 66.7 3.4
PPLVA Plzen-Doubravka   B/S/A CHMI 1B 1.3 5.1 3.2 63.5 1.0
PPRMA Primda   B/R/N-REG CHMI 2A 0.0 4.6 73.3 3.5
Region: Karlovarsky 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
KCHMA Cheb   B/S/R CHMI 1B 1.0 64.5
KPRBA Prebuz   B/R/AN-REG CHMI 1B 1.3 1.0 47.4 1.3
KSOMA Sokolov   B/S/R CHMI 2A 1.3 5.5 3.9 71.7 1.4
Region: Ustecky 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
UDCMA Decin   B/U/R CHMI 1B 12.5 11.4 54.6 7.7
UDOKA Doksany   B/R/NA-NCI CHMI 1B 1.3 8.7 30.4 6.6
UCHMA Chomutov   B/U/R CHMI 1B 8.6 34.8
UKRUA Krupka   B/R/N-NCI CHMI 1B 1.3 6.4 55.7
ULOMA Lom   B/R/IN-NCI CHMI 1A 1.8 5.1 8.8 24.5 5.0
ULTTA Litomerice   B/U/R CHMI 1B 1.3 9.7 39.9
UMEDA Medenec   B/R/ANI-NCI CHMI 1B 2.5 1.6 63.7
UMOMA Most   B/U/R CHMI 1B 1.3 38.0 14.3 17.7 5.9
URVHA Rudolice v Horach   B/R/N-REG CHMI 1B 5.3 65.3
USNZA Sneznik   B/R/N-REG CHMI 1B 1.3 2.6 72.4 4.0
USTEA Steti   B/U/R CHMI 1B 1.3 6.1 45.5 3.6
UTPMA Teplice   B/S/R CHMI 1B 1.3 3.8 53.1 1.0
UTUSA Tusimice   B/R/IA-NCI CHMI 1B 2.0 8.9 7.1 43.9 1.3
UUKTA Usti n.L.-Pasteurova   I/U/R ZU Usti nL 1B 1.0 68.3 1.0
UULDA Usti n.L.-Vseboricka   T/U/RC CHMI 2A 15.9 6.4 67.4 4.0
UULKA Usti n.L.-Kockov   B/S/RN CHMI 1B 1.3 3.0 2.5 69.8 2.4
UULMA Usti n.L.-mesto   B/U/RC CHMI 2A 11.4 9.9 67.0
Region: Liberecky 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
LCLMA Ceska Lipa   B/U/R CHMI 1B 2.8 47.1
LFRTA Frydlant   B/R/N-REG CHMI 1B 1.3 57.3 3.8
LHVIA Horni Vitkov   B/R/N-REG CHMI 1B 3.7 59.3 1.5
LLILA Liberec-Rochlice   B/U/R CHMI 1B 1.3 7.6 8.7 38.4 1.7
LSOUA Sous   B/R/N-REG CHMI 1A 37.3 1.6
LUHLA Uhelna   B/R/NA-NCI CHMI 1B 4.7 54.2 2.1
Region: Kralovehradecky 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
HHKBA Hradec Kralove-Brnen   T/U/RC CHMI 1B 11.4 8.1 55.7 2.7
HHKOK Hradec Kralove-observator   B/S/R CHMI 1B 55.9 2.7
HHKSA Hr.Kral.-Sukovy sady   T/U/RCI ZU Usti nL 1B 9.0 4.9 55.5 3.1
HKRYA Krkonose-Rychory   B/R/N-REG CHMI 1B 74.9 0.3
HPLOA Polom   B/R/N-REG CHMI 2A 1.3 1.8 2.1 83.9
HTRTA Trutnov - Tkalcovska   B/U/R CHMI 1B 3.3 48.6
Region: Pardubicky 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
EMTPA Moravska Trebova - Piaristicka.   B/U/R CHMI 1B 19.0 7.7 43.5 4.9
EPAOA Pardubice-Rosice   B/S/RI CHMI 1B 4.3 16.1 2.0 48.9
EPAUA Pardubice Dukla   B/U/R CHMI 1B 1.3 1.4 49.7 2.3
ESVRA Svratouch   B/R/AN-REG CHMI 1B 68.0 2.9
Region: Vysocina 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
JJIZA Jihlava-Znojemska   T/U/R ZU-Ostrava 1B 13.7 6.0 40.6 4.3
JKMYA Kostelni Myslova   B/R/A-NCI CHMI 1B 61.3 4.4
JKOSA Kosetice   B/R/AN-REG CHMI 2A 5.3 4.4 6.7 67.9 1.0
JPEMA Pelhrimov   B/S/R ZU-Ostrava 1B 5.3 46.2 3.3
JTREA Trebic   B/S/RN CHMI 1B 3.6 36.0
JZNZA Zdar nad Sazavou   B/U/RC ZU-Ostrava 1B 4.7 44.0 3.7
Region: Jihomoravsky 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
BBDNA Brno - Detska nemocnice   B/U/RC CHMI 1B 18.7 5.4 36.6 4.0
BBMAA Brno-Arboretum   B/U/RN SMBrno 1B 17.2 9.3 44.4 7.3
BBMLA Brno-Lany   B/S/RN SMBrno 1B 1.3 7.8 8.4 60.2 6.7
BBMSA Brno-Svatoplukova   T/U/R SMBrno 1B 25.0 7.1 41.2 1.9
BBNIA Brno-Lisen   B/U/R CHMI 1B 3.8 43.0 2.6
BBNVA Brno-Uvoz   T/U/R CHMI 1B 9.9 9.0 40.7 6.6
BBNYA Brno-Turany   B/S/R CHMI 1B 6.7 14.8 4.4 43.0 4.3
BBOMA Brno-Komarov   T/U/R SMBrno 1B 11.2 10.2 46.7 7.8
BHODA Hodonin   B/U/R ZU-Ostrava 1B 9.7 47.6 7.7
BKURA Kurim   T/U/R CHMI 1B 4.3 9.7 5.2 45.8 8.7
BMISA Mikulov-Sedlec   B/R/A-REG CHMI 1B 7.9 4.5 12.3 54.5 15.3
BMOCA Sivice   B/R/I-NCI Ceskomorav 1B 4.7 0.0 51.0 0.0
BMOKA Mokra   B/R/R-NCI Ceskomorav 1B 7.4 45.7 6.1
BZNOA Znojmo   B/S/RN CHMI 1B 7.8 5.0 43.7 11.2
Region: Olomoucky 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
MBELA Belotin   B/R/A-NCI CHMI 1A 4.6 25.3 5.7
MJESA Jesenik-lazne   B/R/N-NCI CHMI
MLOSA Lostice   B/R/A-NCI VLOS 1B 15.8 7.7 45.2
MOLJA Olomouc-Hejcin   B/U/R CHMI 1B 10.7 17.4 41.8 4.7
MOLSA Olomouc-Smeralova   B/U/R ZU-Ostrava 1B 9.3 41.9 8.0
MPHRA Hranice   B/U/RC MHR 11.4
MPRRA Prerov   B/U/CR CHMI 1B 1.3 9.5 49.2 10.8
MPSTA Prostejov   B/U/R CHMI 1B 1.0 45.1
MSMSA Sumperk, ZS Vrchlickeho   B/U/R MSUM 1B 8.9 7.6 34.4 5.3
MVBYA Velka Bystrice   T/U/RI MUVB 43.2
Region: Zlinsky 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
ZOTMA Otrokovice - mesto   T/U/RIC MOTRO 56.7
ZROZA Roznov pod Radhostem   T/U/RI MU Roznov 1B 2.8 14.4 39.1 12.7
ZSNVA Stitna n.Vlari   B/R/N-REG CHMI 1B 61.4 6.0
ZTNVA Tesnovice   B/R/A-REG CHMI 1B 6.6 8.0 11.4 46.6 7.1
ZUHRA Uherske Hradiste   T/U/RC CHMI 1B 8.7 14.4 53.9
ZVMZA Valasske Mezirici   B/U/R CHMI 1B 18.2 43.2 4.3
ZZLNA Zlin   B/S/RN CHMI 1B 3.1 5.6 10.6 34.2 8.4
ZZZSA Zlin-ZS Kvitkova   B/U/R MZLI 2A 11.0 13.2 86.5 10.7
Region: Moravskoslezsky 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
TBKRA Bily Kriz   B/R/N-REG CHMI 1B 5.9 1.0 39.6 5.8
TCERA Cervena hora   B/R/N-REG CHMI 1B 4.2 59.2 3.9
TCTNA Cesky Tesin   B/U/RI CHMI 1B 1.3 16.6 14.2 26.4 1.0
TFMIA Frydek-Mistek   B/S/R CHMI 1B 14.9 8.5 28.4 9.9
THAOA Havirov ZU   B/U/R ZU, SMHa 1A 9.0 28.4
THARA Havirov   B/U/R CHMI 1B 19.0 29.2 6.7
TKAOK Karvina ZU   T/U/R ZU-Ostrava 1B 7.5 15.7 28.0 13.7
TKARA Karvina   B/U/R CHMI 1.3 5.8 19.5 7.3
TNSVA Nosovice   B/R/AI-NCI ONOS 1B 0.0 14.1 32.7 9.9
TOCBA Ostrava-Ceskobratrsk   T/U/CR CHMI 1B 24.4 16.4 23.3 12.7
TOFFA Ostrava-Fifejdy   B/U/R CHMI 1B 3.1 20.3 18.0 21.3
TOHAA Ostrava-Hrabuvka   B/U/RC ZU, MSK 13.7 11.3
TOHUA Ostrava-Hrusov   I/S/C SMOstrava 1B 13.9 24.0 11.5
TOKLA Ostrava - Krasne Pole   B/S/R ZU, MSK 11.7 10.0
TOMHK Ostrava-Marianske Ho   B/U/RN SMOstrava 1B 5.3 16.6 14.7 25.1 12.3
TONVA Ostrava-Nova Ves-areal OVak   T/U/IAN ZU, MSK 26.8 22.3 12.0
TOPDA Ostrava-Poruba DD   T/U/R SMOstrava 1B 8.3 11.0 25.0 9.0
TOPOA Ostrava-Poruba CHMU   B/S/R CHMI 1A 1.3 7.3 4.9 25.1 7.6
TOPRA Ostrava-Privoz   I/U/IR CHMI 1B 3.8 13.6 14.4 23.2 12.4
TOREK Ostrava-Radvanice ZU   I/S/IR SMOstrava 1B 5.3 10.9 13.0 25.5 10.0
TOROK Ostrava-Radvanice OZO   B/S/R SMOstrava 1B 5.3 16.2 13.7 31.9 11.0
TOVKA Opava-Katerinky   B/U/R CHMI 7.2 10.9
TOZRA Ostrava-Zabreh   B/U/R CHMI 1B 18.8 25.0 14.1
TRYCA Rychvald   B/U/R CHMI 1B 4.6 13.2 14.7 33.2 14.4
TSTDA Studenka   B/R/A-NCI CHMI 1B 1.3 17.1 15.5 26.2 6.5
TTRKA Trinec-Kanada   B/S/RNI SMTr. 1B 12.5 27.9 8.4
TTROA Trinec-Kosmos   B/U/RI CHMI 1B 14.8 24.5 5.7
TVERA Vernovice-Dolni Lutyne   B/R/AI-NCI CHMI 1B 1.3 12.9 9.7 32.5 1.3

CHMI is responsible for data completeness and quality only at the stations that are administered by CHMI (see the entry "Owner" indicated with the published data).

Current overview of data from Poland automated stations

These data are for operational reasons 2 hours delayed

Region: Opolskie 2025-09-07 20:00 - 23:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
QKEKA Kedzierzyn-Kozle   B/U/RCI GIOS
QOLEA Olesno   B/U/- GIOS
QOPEA Opole-man4   B/U/- GIOS
QOPLA Opole-aut5   B/U/- GIOS
QPRUA Prudnik-mobil   B/U/- GIOS
QZDZA Zdzieszowice   B/U/RCI GIOS
Region: Malopolski 2025-09-07 20:00 - 23:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
YKRAA Krakow   B/U/RCI GIOS
YSBNA Sucha Beskidzka, ul. Nieszczynskiej   B/U/- GIOS
YTARA Tarnow   B/U/RCI GIOS
YTRZA Trzebinia   B/U/RCI GIOS
YZAKA Zakopane   B/U/RC GIOS
Region: Dolnoslaskie 2025-09-07 20:00 - 23:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
VDZOA Dzialoszyn   I/R/- GIOS
VDZRA Dzierzoniow   B/U/RC GIOS
VJAGA Jasna Gora   I/R/- GIOS
VJEGA Jelenia Gora-Oginskiego   B/U/- GIOS
VKLDA Klodzko-Szkolna   B/U/- GIOS
VNRJA Nowa Ruda-Jeziorna   B/U/- GIOS
VOLZA Olawa-Zolnierzyak   B/U/- GIOS
VOSIA Osieczów   B/R/AN-REG GIOS
VSNIA Sniezka   B/R/- Inst of Me
VWRAA Wroclaw-Bartnicza   B/S/- GIOS
VWRIA Wroclaw-Wisniowa   T/U/- GIOS
VWROA Wroclaw-Korzeniowskiego   B/U/- GIOS
VWWYA Walbrzych-Wysockiego   B/U/- GIOS
Region: Slaskie 2025-09-07 20:00 - 23:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
WBBIA Bielsko-Biala, ul.Partyzantow   T/U/- GIOS
WBIBA Bielsko Biala   B/U/RC GIOS
WCZAA Czestochowa - Armii Krajowej   T/U/RCI GIOS
WCZBA Czestochowa - Baczyrskiego   B/U/RCI GIOS
WDAGA Dabrowa Górnicza   B/U/RCI GIOS
WGLIA Gliwice   B/U/RCI GIOS
WKATA Katowice   B/U/RCI GIOS
WKTWA Katowice, ul. Plebiscytowa/A4   T/U/- GIOS
WLUBA Lubliniec, ul. ks. Szymaly   B/U/- GIOS
WRYBA Rybnik   B/U/RCI GIOS
WSOSA Sosnowiec   B/U/RCI GIOS
WTYCA Tychy   B/U/RCI GIOS
WUSTA Ustron   B/S/RC GIOS
WWOZA Wodzislaw   B/U/RCI GIOS
WZABA Zabrze   B/U/RCI GIOS
WZLPA Zloty Potok   B/R/AN-REG GIOS
WZORA Zory, Os. Gen. Wladyslawa Sikorskiego   B/U/- GIOS
WZYWA Zywiec   B/U/RC GIOS

Current overview of data from Austrian automated stations

Region: Wien 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
1AKHA Wien-AKH (Allgemeines Krankenhaus)   T/U/RC MSW 13.1 8.3 6.1
1AWHA Wien-A23-Wehlistraße   T/S/- MSW 33.6 10.4 7.5
1BELA Wien-Belgradplatz   T/U/R MSW 16.2 9.0 6.9
1FLGA Wien-Floridsdorf Gerichtsgasse   T/U/RC MSW 10.2 9.7 7.2
1GAUA Wien-Gaudenzdorf   T/U/RC MSW 24.7 10.0 7.2
1HERA Wien-Hermannskogel   B/S/AN MSW 2.8 75.0
1HIKA Wien-Hietzinger   T/U/RC MSW 16.9
1HOWA Wien-Hohe Warte   B/S/R MSW 0.8 5.2 63.2
1KAEA Wien-Kaiser-Ebersdorf   I/S/RI MSW 21.3 13.0 7.1
1KENA Wien-Kendlerstraße   T/U/R MSW 13.3 9.1 6.6
1LABA Wien-Laaer Berg   T/S/RC MSW
1LIGA Wien-Liesing-Gewerbegebiet   T/S/RI MSW 13.5 8.7 6.6
1LOBA Wien-Lobau   B/S/AN MSW 1A 3.8 8.1 26.3 5.5
1SCHA Wien-Schafberg   B/S/R MSW 4.9 9.0 7.2
1STAA Wien-Stadlau   B/U/RC MSW 2.9 14.7 10.2 7.6
1STEA Wien-Stephansplatz   B/U/R MSW 2.3 12.2 58.5
1TABA Wien-Taborstrasse   T/U/R MSW 15.7 9.6 6.9
Region: Niederösterreich 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
2AMSA Amstetten   B/U/R Amt der NÖ 1B 22.5 9.2 29.0
2BIEA Biedermannsdorf   T/S/RC Amt der NÖ
2DUNA Dunkelsteinerwald   B/R/A Amt der NÖ 3.5 31.7
2FORA Forsthof   B/R/AN Amt der NÖ 1.0 8.5 63.8
2GANA Gänserndorf   B/S/A Amt der NÖ 1B 2.0 16.3 10.8 45.7
2GREA Gr. Enzersdorf II.   B/R/A Amt der NÖ 7.2 7.0
2HAIA Hainburg   B/S/RC Amt der NÖ 1B 1.0 7.8 10.2 54.7
2HEIA Heidenreichstein   B/R/N Amt der NÖ 1B 3.7 5.2 7.0 61.2
2IRNA Irnfritz   B/R/A Amt der NÖ 2.0 63.7
2KEMA Kematen   B/S/CI Amt der NÖ 1B 7.8 8.2 40.7
2KLOA Klosterneuburg   B/U/R Amt der NÖ 4.0 72.8
2KLVA Klosterneuburg Verkehr   T/U/RCI Amt der NÖ 8.5 9.3
2KOLA Kollmitzberg   B/R/AN Amt der NÖ 1.0 75.0
2KREA Krems   B/U/RC Amt der NÖ 1B 1.0 8.0 8.3 48.8
2MANA Mannswörth   I/U/I Amt der NÖ
2MISA Mistelbach   B/R/A Amt der NÖ 1B 2.0 11.0 54.5
2NEUA Neusiedl   B/R/A Amt der NÖ 6.2 6.7
2POCA Pöchlam   B/U/R Amt der NÖ
2PURA Purkersdorf   B/S/RC Amt der NÖ 7.3 17.7
2SCHA Schwechat   I/U/RI Amt der NÖ 1B 1.5 16.8 9.8 39.5 6.8
2SPOA St. Polten   B/U/IR Amt der NÖ 1B 0.7 5.3 7.2 57.8 5.0
2SPVA St. Pölten Verkehr   T/U/RC Amt der NÖ
2SRTA Sreithofen   B/R/A Amt der NÖ
2STOA Stockerau   T/S/CI Amt der NÖ 13.3 8.3
2SVAA St. Valentin-A1   T/S/IR Amt der NÖ 33.7 16.5 5.3
2TRAA Traismauer   B/S/R Amt der NÖ
2TRSA Trasdorf   B/S/R Amt der NÖ 1.0 7.0 10.0
2TUKA Tulbinger Kogel   B/R/N Amt der NÖ
2TULA Tulln   B/U/R Amt der NÖ 1B 0.7 8.3 8.8 40.5
2WOLA Wolkersdorf   B/R/A Amt der NÖ 12.3 50.8
2ZIEA Ziersdorf   B/R/A Amt der NÖ 1B 7.7 42.2
2ZWEA Zwentendorf   B/S/R Amt der NÖ 8.7 4.2
Region: Oberösterreich 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3ASEA Asten   -/-/- AOL
3BISA Bad-Ischl   B/S/RC AOL 1A 6.0 6.5 6.3 4.2
3BZEA Braunau Zentrum   B/S/RCI AOL 1A 1.5 19.0 7.6 17.0 5.8
3EKRA Enns-Kristein 3   T/R/RA AOL 35.0 10.0 6.3
3ENZA Enzenkirchen   -/-/- AOL 54.1
3FEUA Feuerkogel   B/R/N-REG AOL 5.1 103.5 4.4
3GRNA Grunbach   B/R/AN AOL 2A 0.4 2.7 4.9 84.9 3.9
3HAIA Haid   -/-/- AOL
3LENA Lenzing   I/R/RI AOL
3LEZA Lenzing 2   B/U/RI AOL
3LNWA Linz-Neue Welt   B/U/RCI AOL 1B 1.7 31.4 11.4 16.9 6.6
3LRMA Linz-Romerbergtunnel   T/U/RC AOL 25.2 7.9 5.8
3LSTA Linz-Stadtpark   B/U/R AOL 1B 17.2 4.8 36.1 4.0
3LTUA Linz-24er-Turm   T/U/RCI AOL
3RANA Ranshofen 3   -/-/- AOL
3SGAA Steyregg-Au   I/S/RI AOL 1.8 8.5 5.7 4.0
3SCHA Schwand   -/-/- AOL
3STEA Steyr   B/S/RI AOL 1A 1.8 10.6 8.4 15.2 5.4
3TRAA Traun   B/S/RC AOL 1B 26.5 8.9 17.7 7.4
3VKLA Vöcklabruck   B/S/RCI AOL 13.4 8.5 7.2
3WELA Wels   B/U/RCI AOL 1A 4.5 22.5 12.3 8.2 8.7
3ZBLA Zobelboden 2   B/R/N AOL 24.5

Current overview of data from Slovakia automated stations

Region: Banskobystrický kraj 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
FBBNA Banska Bystrica, nam. slobody   B/U/- SHMI
FBBZA Banska Bystrica, Zelena   B/U/- SHMI 8.7
FHNHA Hnusta, Hlavna   B/S/- SHMI 15.3
FJEJA Jelsava, Jesenskeho   B/S/- SHMI 1B 2.1 15.3 33.3
FZHJA Ziar nad Hronom, Jilemnickeho   B/U/- SHMI 9.7
FZJAA Zvolen, J. Alexyho   B/U/- SHMI 4.0
Region: Bratislava 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
GBLVA Bratislava-Jeseniova   B/U/- SHMI
GBRKA Bratislava, Kamenne nam.   B/U/- SHMI 11.8
GBRMA Bratislava, Mamateyova   B/U/- SHMI 7.0 52.1 10.1
GBRTA Bratislava, Trnavske Myto   T/U/- SHMI 54.2 14.0
Region: Bratislavský kraj 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
IMAMA Malacky, Mierove nam.   T/U/- SHMI
Region: Košice 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
OKOAA Kosice, Amurska   B/U/- SHMI 6.2
OKODA Kosice, Dumbierska   B/S/- SHMI
OKOSA Kosice, Stefanikova I.   T/U/- SHMI 6.3 6.7
Region: Košický kraj 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
RKOHA Kojsovska hola   B/R/- SHMI
RKRSA Krompachy, SNP   T/U/- SHMI 4.0 11.6
RSTMA Strazske, Mierova   B/U/- SHMI 4.0
RVILA Velka Ida, Letna   I/S/- SHMI 34.7
Region: Nitrianský kraj 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
4NIJA Nitra, Janikovce   B/U/- SHMI 11.4 10.4
4NISA Nitra, Sturova   T/U/- SHMI 37.7 12.4
Region: Prešovský kraj 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
5BPVA Bardejov, Pod Vinbargom   B/S/- SHMI 1B 1.3 3.3 37.0
5GANA Ganovce, Meteo. st.   B/R/- SHMI
5HNSA Humenne, Nam. Slobody   B/U/- SHMI 1A 5.3 6.0 26.3
5KOSA Kolonicke sedlo   B/R/- SHMI 13.3
5PLSA Presov, arm. gen. L. Svobodu   T/U/- SHMI 13.7 7.3
5SLEA Stara Lesna, AV SAV, EMEP   B/R/- SHMI 1.0 9.7
5SVEA Starina, Vodna nadrz, EMEP   B/R/- SHMI 2.0 13.0
5VNTA Vranov nad Top., M.R.Stefanika   B/U/- SHMI 4.3 2.7
Region: Trenčianský kraj 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
6BRSA Bystricany, Rozvodna SSE   B/U/- SHMI 30.0
6HMCA Handlova, Moravianska cesta   B/U/- SHMI 12.3
6PRMA Prievidza, Malonecpalska   B/U/- SHMI 2.4 9.0
6TRHA Trenčín, Hasicska   T/U/- SHMI 8.0 10.0 10.7
Region: Trnavský kraj 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
7SEHA Senica, Hviezdoslavova   T/U/- SHMI 2.4
7SEVA Sered, Vinarska   B/U/- SHMI 10.7 12.7
7TAEA Topolniky, Aszod, EMEP   B/R/- SHMI 2.0 6.7 51.3
7TRKA Trnava, Kollarova   T/U/- SHMI 11.2 10.7
Region: Žilinský kraj 2025-09-07 22:00 - 01:00 CEST SO₂ NO₂ PM₁₀ O₃ PM₂.₅
Code Name Classification Owner Air quality 3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
3h Average
µg∙m⁻³
8CHOA Chopok, EMEP   B/R/- SHMI 94.7
8MAJA Martin, Jesenskeho   T/U/- SHMI 6.0 14.0
8RURA Ruzomberok, Riadok   B/U/- SHMI 1A 4.0 6.3 8.0 14.7
8ZIOA Zilina, Obezna   B/U/- SHMI 1A 9.3 13.3 12.7

Legend

Level Index range Air quality
     1A      ≥ 0.00 and < 0.34 very good to good
     1B      ≥ 0.34 and < 0.67
     2A      ≥ 0.67 and < 1.00 acceptable
     2B      ≥ 1.00 and < 1.50
     3A      ≥ 1.50 and < 2.00 aggravated to bad
     3B      ≥ 2.00
Component is not measured, index not determined
Incomplete data
Symbol Station classification
B/U/_ background urban
B/S/_ background near-city
B/R/_ background rural
B/R/_-REG background regional
T/_/_ traffic
I/_/_ industrial