Web Generator 1.0.0
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: 2025-04-30 17:25 CEST

Region: Prague 2025-04-30 14:00 - 17:00 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    2B
AKALA Praha 8-Karlin   T/U/C CHMI 2B 8.8 15.1 115.0
ALEGA Praha 2-Legerova   T/U/RC CHMI 2B 38.4 19.3 115.8 8.6
AREPA Praha 1-n. Republiky   B/U/C CHMI 2B 11.5 38.0 115.8
ARIEA Praha 2-Riegrovy sady   B/U/NR CHMI 2B 6.7 7.0 17.0 116.1 14.9
AVRSA Praha 10-Vrsovice   T/U/R CHMI 2B 9.1 17.2 115.7
AVYNA Praha 9-Vysocany   T/U/CR CHMI 2B 23.8 19.3 90.5
     Periphery of Prague    2B
ABREA Praha 6-Brevnov   B/U/RN CHMI 2B 15.1 8.9 113.0
ACHOA Praha 4-Chodov   B/U/RN CHMI 2B 6.4 11.3 118.2
AKOBA Praha 8-Kobylisy   B/S/R CHMI 2B 4.7 18.0 110.4
ALERA Letiste Praha   T/S/C Letiste Pr 2B 4.5 24.2 100.4 8.6
ALIBA Praha 4-Libus   B/S/R CHMI 2B 4.8 5.9 18.1 124.8 6.4
APRUA Praha 10-Prumyslova   T/U/IC CHMI 2B 22.6 8.6 114.5
ARERA Praha 5-Reporyje   B/S/RA ZU Usti nL 2B 4.8 10.9 109.1 4.0
ASROA Praha 10-Srobarova   B/U/RC SZU 2B 4.4 11.9 115.2 4.8
ASTOA Praha 5-Stodulky   B/U/R CHMI 2B 11.0 106.1 10.5
ASUCA Praha 6-Suchdol   B/S/R CHMI 2B 9.3 113.0
AHOLA Praha 7-Holesovice   T/U/RC CHMI 2B 14.8 10.9 111.7 11.7
Region: Stredocesky 2025-04-30 14:00 - 17:00 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 2B 20.5 14.9 111.5 9.6
SKHOA Kutna Hora-Orebitska   B/U/R CHMI 2B 4.3 12.2 109.4 6.1
SKLMA Kladno-stred mesta   B/U/R CHMI 16.4 13.4
SKLSA Kladno-Svermov   B/U/RI CHMI 2B 1.3 9.7 8.8 111.4
SKOAA Kolin SAZ   B/U/R ZU Usti nL 2B 15.3 107.5 8.6
SKRPA Kralupy nad Vltavou-sportoviste   I/U/RCI ZU Usti nL 2B 13.3 107.3 6.2
SMBOA Mlada Boleslav   B/U/R CHMI 2A 5.1 7.8 94.4 9.0
SONRA Ondrejov   B/R/N-REG CHMI 2B 109.6 9.2
SPBRA Pribram-Brezové Hory   B/U/R CHMI 2B 4.8 10.5 116.5
SRORA Rozdalovice-Ruska   B/R/A-NCI CHMI 2A 3.9 4.7 8.4 102.1 7.4
STCSA Tobolka-Certovy schody   B/R/ANI-NCI VCs 2B 3.1 114.0 10.6 10.7
Region: Jihocesky 2025-04-30 14:00 - 17:00 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 2B 5.8 3.5 14.9 121.8 6.4
CCBTA Ces. Budejovice-Tres   B/U/R ZU Usti nL 2B 14.2 122.6 6.3
CCHUA Churanov   B/R/N-REG CHMI 2B 0.6 0.8 122.0 9.3
CKOCA Kocelovice   B/R/N-REG CHMI 2B 115.6 9.1
CPRAA Prachatice   B/S/R CHMI 2B 1.7 10.9 118.5
CSTRA Strakonice-ZS Strakonice   B/U/R ZU Usti nL 2B 12.5 114.9 5.7
CTACA Tabor   T/U/RC CHMI 2B 20.1 16.1 108.0
CHVOA Hojna Voda   B/R/N-REG CHMI 2B 8.4 122.8
Region: Plzensky 2025-04-30 14:00 - 17:00 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
PKLSA Klatovy soud   T/U/R ZU Usti nL 2B 14.2 113.0 6.3
PKUJA Kamenny Ujezd   B/R/NA-NCI CHMI 2B 1.3 2.8 7.7 112.7 9.9
PPLAA Plzen-Slovany   T/U/RC MPI/CHMI 2A 4.3 8.4 7.4 102.1 5.3
PPLLA Plzen-Lochotin   B/U/R MPI/CHMI 2B 1.3 6.0 6.7 112.4 3.2
PPLVA Plzen-Doubravka   B/S/A CHMI 2A 3.3 1.0 6.0 106.6 4.3
PPRMA Primda   B/R/N-REG CHMI 2B 0.2 2.8 118.2 11.0
Region: Karlovarsky 2025-04-30 14:00 - 17:00 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 2B 8.9 112.8
KPRBA Prebuz   B/R/AN-REG CHMI 2B 1.8 1.6 111.4 11.8
KSOMA Sokolov   B/S/R CHMI 2B 2.3 4.6 8.1 113.0 6.8
Region: Ustecky 2025-04-30 14:00 - 17:00 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 2B 7.3 13.9 100.4 7.3
UDOKA Doksany   B/R/NA-NCI CHMI 2B 6.0 3.2 101.1 14.1
UCHMA Chomutov   B/U/R CHMI 2B 13.6 109.9
UKRUA Krupka   B/R/N-NCI CHMI 2A 1.3 8.7 104.0
ULOMA Lom   B/R/IN-NCI CHMI 2B 3.8 6.3 30.5 102.2 14.6
ULTTA Litomerice   B/U/R CHMI 2A 1.3 10.0 99.2
UMEDA Medenec   B/R/ANI-NCI CHMI 2B 7.2 11.8 109.0
UMOMA Most   B/U/R CHMI 2B 6.0 7.4 19.5 111.2 8.1
URVHA Rudolice v Horach   B/R/N-REG CHMI 2A 5.1 100.1
USNZA Sneznik   B/R/N-REG CHMI 2B 1.3 2.5 103.6 12.1
USTEA Steti   B/U/R CHMI 2A 1.3 11.2 89.2 4.5
UTPMA Teplice   B/S/R CHMI 2A 1.3 12.9 101.5 6.7
UTUSA Tusimice   B/R/IA-NCI CHMI 2B 6.8 8.7 13.0 109.6 6.4
UUKTA Usti n.L.-Pasteurova   I/U/R ZU Usti nL 2A 10.2 100.0 4.1
UULDA Usti n.L.-Vseboricka   T/U/RC CHMI 2B 29.6 14.3 100.5 5.6
UULKA Usti n.L.-Kockov   B/S/RN CHMI 2A 1.3 2.6 10.1 101.5 4.0
UULMA Usti n.L.-mesto   B/U/RC CHMI 2A 6.3 7.3 100.2
Region: Liberecky 2025-04-30 14:00 - 17:00 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 2A 7.4 99.6
LFRTA Frydlant   B/R/N-REG CHMI 2A 2.0 95.9 12.5
LHVIA Horni Vitkov   B/R/N-REG CHMI 2A 14.4 97.8 5.3
LLILA Liberec-Rochlice   B/U/R CHMI 2A 1.8 7.8 10.2 91.1 6.4
LSOUA Sous   B/R/N-REG CHMI 2A 102.5 11.9
LUHLA Uhelna   B/R/NA-NCI CHMI 2A 10.8 97.6 4.7
Region: Kralovehradecky 2025-04-30 14:00 - 17:00 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 2B 10.1 6.4 106.0 12.9
HHKOK Hradec Kralove-observator   B/S/R CHMI 2B 106.1 21.7
HHKSA Hr.Kral.-Sukovy sady   T/U/RCI ZU Usti nL 2B 11.1 15.6 106.0 6.4
HKRYA Krkonose-Rychory   B/R/N-REG CHMI 2A 94.3 10.3
HPLOA Polom   B/R/N-REG CHMI 2A 1.3 1.9 7.8 103.2
HTRTA Trutnov - Tkalcovska   B/U/R CHMI 2B 14.2 106.9
Region: Pardubicky 2025-04-30 14:00 - 17:00 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 2A 6.7 5.3 107.8 4.4
EPAOA Pardubice-Rosice   B/S/RI CHMI 2B 5.1 5.4 29.3 110.4
EPAUA Pardubice Dukla   B/U/R CHMI 2B 3.6 30.5 111.0 10.1
ESVRA Svratouch   B/R/AN-REG CHMI 2B 111.4 12.1
Region: Vysocina 2025-04-30 14:00 - 17:00 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 2B 21.6 17.7 126.6 6.0
JKMYA Kostelni Myslova   B/R/A-NCI CHMI 2B 127.8 11.1
JKOSA Kosetice   B/R/AN-REG CHMI 2B 2.5 0.9 5.8 115.3 4.6
JPEMA Pelhrimov   B/S/R ZU-Ostrava 2B 7.7 121.3 3.0
JTREA Trebic   B/S/RN CHMI 2B 5.8 126.4
JZNZA Zdar nad Sazavou   B/U/RC ZU-Ostrava 2B 12.0 124.2 5.0
Region: Jihomoravsky 2025-04-30 14:00 - 17:00 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 2B 5.6 26.0 122.2 9.6
BBMAA Brno-Arboretum   B/U/RN SMBrno 2B 7.0 16.9 125.7 5.9
BBMLA Brno-Lany   B/S/RN SMBrno 2B 6.1 5.0 15.9 125.5 5.5
BBMSA Brno-Svatoplukova   T/U/R SMBrno 2B 42.4 20.0 124.3 5.5
BBNIA Brno-Lisen   B/U/R CHMI 2B 12.4 126.8 14.0
BBNVA Brno-Uvoz   T/U/R CHMI 2B 31.1 35.9 123.6 8.5
BBNYA Brno-Turany   B/S/R CHMI 2B 5.7 4.2 12.4 134.7 7.4
BBOMA Brno-Komarov   T/U/R SMBrno 2B 16.6 24.5 124.6 6.3
BHODA Hodonin   B/U/R ZU-Ostrava 2B 12.3 112.6 4.7
BKUCA Kucharovice   B/R/A-NCI CHMI 2.5 14.7 11.7 10.6
BMISA Mikulov-Sedlec   B/R/A-REG CHMI 2B 6.8 2.4 18.6 120.4 7.9
BMOCA Sivice   B/R/I-NCI Ceskomorav 23.8 109.9 7.8
BMOKA Mokra   B/R/R-NCI Ceskomorav 2B 19.7 123.1 6.6
BZNOA Znojmo   B/S/RN CHMI 2B 9.7 13.8 120.9 10.9
Region: Olomoucky 2025-04-30 14:00 - 17:00 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 2A 10.9 93.4 12.2
MJESA Jesenik-lazne   B/R/N-NCI CHMI 2A 1.3 2.4 9.5 96.1
MLOSA Lostice   B/R/A-NCI VLOS 2A 3.2 12.5 100.0
MOLJA Olomouc-Hejcin   B/U/R CHMI 2A 7.4 14.0 96.3 13.7
MOLSA Olomouc-Smeralova   B/U/R ZU-Ostrava 2A 11.0 96.3 4.0
MPHRA Hranice   B/U/RC MHR 2B 4.7 27.5 83.0 8.3
MPRRA Prerov   B/U/CR CHMI 2A 1.3 8.7 103.7 13.2
MPSTA Prostejov   B/U/R CHMI 2A 4.5 103.0
MSMSA Sumperk, ZS Vrchlickeho   B/U/R MSUM 2A 7.4 6.8 88.7 2.9
MVBYA Velka Bystrice   T/U/RI MUVB 2B 62.1 16.8 98.0 5.1
Region: Zlinsky 2025-04-30 14:00 - 17:00 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 2B 15.9 10.4 97.6 5.3
ZROZA Roznov pod Radhostem   T/U/RI MU Roznov 2B 6.5 13.7 98.4 5.0
ZSNVA Stitna n.Vlari   B/R/N-REG CHMI 2A 96.7 11.0
ZTNVA Tesnovice   B/R/A-REG CHMI 2B 4.5 3.1 7.8 108.4 3.4
ZUHRA Uherske Hradiste   T/U/RC CHMI 2B 31.5 13.1 100.8
ZVMZA Valasske Mezirici   B/U/R CHMI 2A 14.1 94.6 8.8
ZZLNA Zlin   B/S/RN CHMI 2A 5.0 3.7 6.6 101.6 9.3
ZZZSA Zlin-ZS Kvitkova   B/U/R MZLI 2A 1.8 11.8 93.6 5.0
Region: Moravskoslezsky 2025-04-30 14:00 - 17:00 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 2A 1.3 1.0 95.3 8.0
TCERA Cervena hora   B/R/N-REG CHMI 2A 1.3 92.6 10.4
TCTNA Cesky Tesin   B/U/RI CHMI 2A 1.3 2.4 7.3 90.7 7.1
TFMIA Frydek-Mistek   B/S/R CHMI 2A 3.6 5.9 97.0 3.9
THAOA Havirov ZU   B/U/R ZU, SMHa 2A 16.3 97.7
THARA Havirov   B/U/R CHMI 2B 36.6 98.7 21.1
TKAOK Karvina ZU   T/U/R ZU-Ostrava 2A 5.8 10.7 95.8 3.3
TKARA Karvina   B/U/R CHMI 1.3 1.0 5.6 2.1
TNSVA Nosovice   B/R/AI-NCI ONOS 2A 8.9 8.4 93.2 3.3
TOCBA Ostrava-Ceskobratrsk   T/U/CR CHMI 2B 37.0 10.1 96.2 2.5
TOFFA Ostrava-Fifejdy   B/U/R CHMI 2A 1.3 3.4 8.7 95.2
TOHAA Ostrava-Hrabuvka   B/U/RC ZU, MSK 9.3 3.0
TOHUA Ostrava-Hrusov   I/S/C SMOstrava 2A 9.2 96.1 2.8
TOKLA Ostrava - Krasne Pole   B/S/R ZU, MSK 8.3 3.0
TOMHK Ostrava-Marianske Ho   B/U/RN SMOstrava 2A 5.3 3.8 9.3 97.2 2.3
TONVA Ostrava-Nova Ves-areal OVak   T/U/IAN ZU, MSK 46.8 13.0 4.0
TOPDA Ostrava-Poruba DD   T/U/R SMOstrava 2A 5.2 7.0 97.0 2.0
TOPOA Ostrava-Poruba CHMU   B/S/R CHMI 2B 3.4 1.7 16.8 97.0 16.1
TOPRA Ostrava-Privoz   I/U/IR CHMI 2A 3.2 4.1 9.2 96.0 4.1
TOREK Ostrava-Radvanice ZU   I/S/IR SMOstrava 2A 5.3 3.8 8.7 95.5 2.7
TOROK Ostrava-Radvanice OZO   B/S/R SMOstrava 2A 5.3 3.8 9.7 99.9 2.3
TOVKA Opava-Katerinky   B/U/R CHMI 7.3 2.6
TOZRA Ostrava-Zabreh   B/U/R CHMI 2A 7.0 97.0 5.3
TRYCA Rychvald   B/U/R CHMI 2A 4.8 4.9 4.7 92.5 2.4
TSTDA Studenka   B/R/A-NCI CHMI 2A 1.3 1.0 10.2 86.7 5.4
TTRKA Trinec-Kanada   B/S/RNI SMTr. 2A 8.9 89.8 3.0
TTROA Trinec-Kosmos   B/U/RI CHMI 2A 9.0 86.3 7.6
TVERA Vernovice-Dolni Lutyne   B/R/AI-NCI CHMI 2A 4.6 2.6 3.6 92.5 2.7

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 2025-04-30 12:00 - 15:00 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 2B 4.4 16.2 12.3 97.6 4.0
QOLEA Olesno   B/U/- GIOS 2A 1.9 16.8 94.3
QOPEA Opole-man4   B/U/- GIOS 2.2 6.4 104.8
QOPLA Opole-aut5   B/U/- GIOS 11.6 3.9
QPRUA Prudnik-mobil   B/U/- GIOS
QZDZA Zdzieszowice   B/U/RCI GIOS 13.4
Region: Malopolski 2025-04-30 12:00 - 15:00 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 4.1 44.9
YSBNA Sucha Beskidzka, ul. Nieszczynskiej   B/U/- GIOS 14.7
YTARA Tarnow   B/U/RCI GIOS 4.5 2.5
YTRZA Trzebinia   B/U/RCI GIOS 5.9 11.0
YZAKA Zakopane   B/U/RC GIOS 5.3 10.2
Region: Dolnoslaskie 2025-04-30 12:00 - 15:00 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 11.0 3.9
VDZRA Dzierzoniow   B/U/RC GIOS 18.9
VJAGA Jasna Gora   I/R/- GIOS 16.1 5.4
VJEGA Jelenia Gora-Oginskiego   B/U/- GIOS 2A 7.5 2.5 8.3 99.8 4.3
VKLDA Klodzko-Szkolna   B/U/- GIOS 2A 4.5 15.2 92.5 5.2
VNRJA Nowa Ruda-Jeziorna   B/U/- GIOS 16.7
VOLZA Olawa-Zolnierzyak   B/U/- GIOS 2B 5.5 23.6 101.2
VOSIA Osieczów   B/R/AN-REG GIOS 5.1 0.8
VSNIA Sniezka   B/R/- Inst of Me
VWRAA Wroclaw-Bartnicza   B/S/- GIOS 2.4 98.0
VWRIA Wroclaw-Wisniowa   T/U/- GIOS 29.7 4.7
VWROA Wroclaw-Korzeniowskiego   B/U/- GIOS 2B 10.2 4.9 17.1 91.2 9.0
VWWYA Walbrzych-Wysockiego   B/U/- GIOS 2A 8.4 2.1 16.0 89.7
Region: Slaskie 2025-04-30 12:00 - 15:00 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 2A 1.8 13.3 98.8
WCZAA Czestochowa - Armii Krajowej   T/U/RCI GIOS 46.4 34.4
WCZBA Czestochowa - Baczyrskiego   B/U/RCI GIOS 2B 0.7 4.4 14.9 102.7
WDAGA Dabrowa Górnicza   B/U/RCI GIOS 2B 2.8 4.1 19.0 96.9
WGLIA Gliwice   B/U/RCI GIOS 18.4
WKATA Katowice   B/U/RCI GIOS 2B 4.0 5.6 17.9 102.9 6.9
WKTWA Katowice, ul. Plebiscytowa/A4   T/U/- GIOS
WLUBA Lubliniec, ul. ks. Szymaly   B/U/- GIOS 9.3
WRYBA Rybnik   B/U/RCI GIOS 2A 4.1 9.6 11.1 97.6
WSOSA Sosnowiec   B/U/RCI GIOS 21.3
WTYCA Tychy   B/U/RCI GIOS 3.1 5.7 14.3
WUSTA Ustron   B/S/RC GIOS 2A 6.3 4.5 14.8 93.1
WWOZA Wodzislaw   B/U/RCI GIOS 2A 1.6 4.1 17.9 89.8
WZABA Zabrze   B/U/RCI GIOS
WZLPA Zloty Potok   B/R/AN-REG GIOS 2B 2.3 4.4 14.4 106.5 5.8
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 2025-04-30 14:00 - 17:00 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 8.2 12.6 4.3
1AWHA Wien-A23-Wehlistraße   T/S/- MSW 34.3 13.2 5.0
1BELA Wien-Belgradplatz   T/U/R MSW 17.4 12.5 4.0
1FLGA Wien-Floridsdorf Gerichtsgasse   T/U/RC MSW 11.1 15.7 5.3
1GAUA Wien-Gaudenzdorf   T/U/RC MSW 14.6 11.2 5.0
1HERA Wien-Hermannskogel   B/S/AN MSW 3.4 127.8
1HIKA Wien-Hietzinger   T/U/RC MSW 29.4
1HOWA Wien-Hohe Warte   B/S/R MSW 3.8 2.8 141.2
1KAEA Wien-Kaiser-Ebersdorf   I/S/RI MSW 1.2 9.7 13.6 3.9
1KENA Wien-Kendlerstraße   T/U/R MSW 7.6 10.6 4.7
1LABA Wien-Laaer Berg   T/S/RC MSW
1LIGA Wien-Liesing-Gewerbegebiet   T/S/RI MSW 5.5 8.8 4.4
1LOBA Wien-Lobau   B/S/AN MSW 2B 2.0 12.8 134.0 4.2
1SCHA Wien-Schafberg   B/S/R MSW 3.5 10.2 4.8
1STAA Wien-Stadlau   B/U/RC MSW 0.6 10.8 14.6 6.9
1STEA Wien-Stephansplatz   B/U/R MSW 3.0 7.8 133.6
1TABA Wien-Taborstrasse   T/U/R MSW 15.6 13.3 4.9
Region: Niederösterreich 2025-04-30 14:00 - 17:00 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 2B 8.7 13.7 138.8
2BIEA Biedermannsdorf   T/S/RC Amt der NÖ
2DUNA Dunkelsteinerwald   B/R/A Amt der NÖ 4.5 142.0
2FORA Forsthof   B/R/AN Amt der NÖ 1.0 5.2 137.8
2GANA Gänserndorf   B/S/A Amt der NÖ 2B 2.0 4.2 12.2 138.3
2GREA Gr. Enzersdorf II.   B/R/A Amt der NÖ 3.7 5.7
2HAIA Hainburg   B/S/RC Amt der NÖ 2B 4.7 4.5 11.0 136.7
2HEIA Heidenreichstein   B/R/N Amt der NÖ 0.3 3.2 11.7
2IRNA Irnfritz   B/R/A Amt der NÖ 2.0 119.2
2KEMA Kematen   B/S/CI Amt der NÖ 2B 3.0 8.0 132.2
2KLOA Klosterneuburg   B/U/R Amt der NÖ 4.5 4.3 135.7
2KLVA Klosterneuburg Verkehr   T/U/RCI Amt der NÖ 17.9 13.0
2KOLA Kollmitzberg   B/R/AN Amt der NÖ 1.0 135.8
2KREA Krems   B/U/RC Amt der NÖ 2B 1.7 7.7 12.3 143.3
2MANA Mannswörth   I/U/I Amt der NÖ
2MISA Mistelbach   B/R/A Amt der NÖ 2B 1.5 14.8 136.0
2NEUA Neusiedl   B/R/A Amt der NÖ 4.5 10.7
2POCA Pöchlam   B/U/R Amt der NÖ
2PURA Purkersdorf   B/S/RC Amt der NÖ 10.6 135.2
2SCHA Schwechat   I/U/RI Amt der NÖ 2B 2.5 7.5 11.5 141.5 5.2
2SPOA St. Polten   B/U/IR Amt der NÖ 2B 2.0 5.6 12.7 142.2 4.8
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 9.0 16.3
2SVAA St. Valentin-A1   T/S/IR Amt der NÖ 7.0 135.8 4.8
2TRAA Traismauer   B/S/R Amt der NÖ
2TRSA Trasdorf   B/S/R Amt der NÖ 1.0 5.5 21.3
2TUKA Tulbinger Kogel   B/R/N Amt der NÖ
2TULA Tulln   B/U/R Amt der NÖ 2B 1.8 5.0 12.7 143.3
2WOLA Wolkersdorf   B/R/A Amt der NÖ 4.3 133.8
2ZIEA Ziersdorf   B/R/A Amt der NÖ 2B 8.7 143.2
2ZWEA Zwentendorf   B/S/R Amt der NÖ 3.8 5.2
Region: Oberösterreich 2025-04-30 14:00 - 17:00 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 2B 4.9 11.3 121.0 3.8
3BZEA Braunau Zentrum   B/S/RCI AOL 2B 2.9 3.2 8.1 123.0 3.5
3EKRA Enns-Kristein 3   T/R/RA AOL 34.0 15.1 5.8
3ENZA Enzenkirchen   -/-/- AOL 131.5
3FEUA Feuerkogel   B/R/N-REG AOL 11.8 121.6 7.2
3GRNA Grunbach   B/R/AN AOL 2B 2.0 2.5 9.1 121.4 4.7
3HAIA Haid   -/-/- AOL
3LENA Lenzing   I/R/RI AOL
3LEZA Lenzing 2   B/U/RI AOL
3LNWA Linz-Neue Welt   B/U/RCI AOL 2B 1.0 7.0 14.3 123.6 4.3
3LRMA Linz-Romerbergtunnel   T/U/RC AOL 35.5 16.9 6.2
3LSTA Linz-Stadtpark   B/U/R AOL 2B 7.3 8.9 133.1 4.1
3LTUA Linz-24er-Turm   T/U/RCI AOL
3RANA Ranshofen 3   -/-/- AOL
3SGAA Steyregg-Au   I/S/RI AOL 0.7 3.2 11.0 4.3
3SCHA Schwand   -/-/- AOL
3STEA Steyr   B/S/RI AOL 2B 0.8 3.8 9.4 134.7 3.2
3TRAA Traun   B/S/RC AOL 2B 4.0 8.2 132.8 4.4
3VKLA Vöcklabruck   B/S/RCI AOL 3.7 8.1 4.4
3WELA Wels   B/U/RCI AOL 2B 1.1 8.8 9.6 128.2 3.6
3ZBLA Zobelboden 2   B/R/N AOL 124.0

Current overview of data from Slovakia automated stations

Region: Banskobystrický kraj 2025-04-30 14:00 - 17:00 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 2B 3.0 16.3 101.7
FHNHA Hnusta, Hlavna   B/S/- SHMI 16.7
FJEJA Jelsava, Jesenskeho   B/S/- SHMI 18.3 127.3
FZHJA Ziar nad Hronom, Jilemnickeho   B/U/- SHMI 14.3
FZJAA Zvolen, J. Alexyho   B/U/- SHMI 13.7
Region: Bratislava 2025-04-30 14:00 - 17:00 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 4.0 22.3 136.7
GBRKA Bratislava, Kamenne nam.   B/U/- SHMI 21.3
GBRMA Bratislava, Mamateyova   B/U/- SHMI 2.7 7.7 21.0
GBRTA Bratislava, Trnavske Myto   T/U/- SHMI 40.7 25.3
Region: Bratislavský kraj 2025-04-30 14:00 - 17:00 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 2025-04-30 14:00 - 17:00 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 31.7
OKODA Kosice, Dumbierska   B/S/- SHMI
OKOSA Kosice, Stefanikova I.   T/U/- SHMI 5.0 26.0 37.0
Region: Košický kraj 2025-04-30 14:00 - 17:00 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 2.0
RKRSA Krompachy, SNP   T/U/- SHMI 6.7 9.7 24.7
RSTMA Strazske, Mierova   B/U/- SHMI 21.0
RVILA Velka Ida, Letna   I/S/- SHMI 22.0
Region: Nitrianský kraj 2025-04-30 14:00 - 17:00 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 3.3 23.7
4NISA Nitra, Sturova   T/U/- SHMI 22.3
Region: Prešovský kraj 2025-04-30 14:00 - 17:00 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 15.7 89.7
5GANA Ganovce, Meteo. st.   B/R/- SHMI 4.0 98.0
5HNSA Humenne, Nam. Slobody   B/U/- SHMI 2B 8.0 21.0 93.0
5KOSA Kolonicke sedlo   B/R/- SHMI 15.3
5PLSA Presov, arm. gen. L. Svobodu   T/U/- SHMI 36.4 27.0
5SLEA Stara Lesna, AV SAV, EMEP   B/R/- SHMI 2.0 15.3
5SVEA Starina, Vodna nadrz, EMEP   B/R/- SHMI 1.0 87.1
5VNTA Vranov nad Top., M.R.Stefanika   B/U/- SHMI 4.0 15.3
Region: Trenčianský kraj 2025-04-30 14:00 - 17:00 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 9.0 9.3
6HMCA Handlova, Moravianska cesta   B/U/- SHMI 2.3 12.7
6PRMA Prievidza, Malonecpalska   B/U/- SHMI 2A 11.7 20.0 10.7 86.2
6TRHA Trenčín, Hasicska   T/U/- SHMI 4.0 4.0 24.7
Region: Trnavský kraj 2025-04-30 14:00 - 17:00 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 13.3
7SEVA Sered, Vinarska   B/U/- SHMI 24.0
7TAEA Topolniky, Aszod, EMEP   B/R/- SHMI 4.0 21.7 129.0
7TRKA Trnava, Kollarova   T/U/- SHMI 49.0 21.0
Region: Žilinský kraj 2025-04-30 14:00 - 17:00 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 95.0
8MAJA Martin, Jesenskeho   T/U/- SHMI 17.3 13.0
8RURA Ruzomberok, Riadok   B/U/- SHMI 2A 1.7 5.7 13.3 76.0
8ZIOA Zilina, Obezna   B/U/- SHMI 10.3 12.0

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