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: 2026-04-04 15:24 CEST

Region: Prague 2026-04-04 12:00 - 15:00 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 11.6 12.5
ALEGA Praha 2-Legerova   T/U/RC CHMI 7.9 7.4 3.9
AREPA Praha 1-n. Republiky   B/U/C CHMI 2A 12.1 10.5 61.2
ARIEA Praha 2-Riegrovy sady   B/U/NR CHMI 1B 1.3 6.4 8.1 61.5 4.3
AVRSA Praha 10-Vrsovice   T/U/R CHMI 7.3 22.4
AVYNA Praha 9-Vysocany   T/U/CR CHMI 2A 9.6 17.8 59.7
     Periphery of Prague    1B
ABREA Praha 6-Brevnov   B/U/RN CHMI 5.1 9.8
ACHOA Praha 4-Chodov   B/U/RN CHMI 6.9 26.6
AKOBA Praha 8-Kobylisy   B/S/R CHMI 1B 5.3 5.6 63.1
ALERA Letiste Praha   T/S/C Letiste Pr 1B 10.8 23.4 39.6 9.7
ALIBA Praha 4-Libus   B/S/R CHMI 1B 1.3 2.9 5.3 64.7 8.3
APRUA Praha 10-Prumyslova   T/U/IC CHMI 10.1 10.7
ARERA Praha 5-Reporyje   B/S/RA ZU Usti nL
ASROA Praha 10-Srobarova   B/U/RC SZU
ASTOA Praha 5-Stodulky   B/U/R CHMI 1A 10.7 7.2 10.4
ASUCA Praha 6-Suchdol   B/S/R CHMI 1B 3.4 66.3
AHOLA Praha 7-Holesovice   T/U/RC CHMI 8.1 12.5 6.3
Region: Stredocesky 2026-04-04 12:00 - 15:00 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 6.1 6.9 6.7
SKHOA Kutna Hora-Orebitska   B/U/R CHMI 3.7 8.5 9.0
SKLMA Kladno-stred mesta   B/U/R CHMI 1B 12.7 59.9 6.5
SKLSA Kladno-Svermov   B/U/RI CHMI 3.1 3.2 9.4
SKOAA Kolin SAZ   B/U/R ZU Usti nL 5.0 3.0
SKRPA Kralupy nad Vltavou-sportoviste   I/U/RCI ZU Usti nL 4.5 1.4
SMBOA Mlada Boleslav   B/U/R CHMI 1B 2.7 9.4 63.5 4.5
SONRA Ondrejov   B/R/N-REG CHMI 67.4
SPBRA Pribram-Brezové Hory   B/U/R CHMI 5.2 12.2
SRORA Rozdalovice-Ruska   B/R/A-NCI CHMI 3.1 1.0 1.7 7.9
STCSA Tobolka-Certovy schody   B/R/ANI-NCI VCs 4.8 59.7 9.6
Region: Jihocesky 2026-04-04 12:00 - 15:00 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 1B 1.3 6.2 3.0 51.4 4.2
CCBTA Ces. Budejovice-Tres   B/U/R ZU Usti nL
CCHUA Churanov   B/R/N-REG CHMI 1B 0.1 2.9 58.5 3.2
CKOCA Kocelovice   B/R/N-REG CHMI 66.1
CPRAA Prachatice   B/S/R CHMI 1B 4.2 3.0 67.6
CSTRA Strakonice-ZS Strakonice   B/U/R ZU Usti nL 3.7 2.5
CTACA Tabor   T/U/RC CHMI 2A 4.7 8.9 66.1
CHVOA Hojna Voda   B/R/N-REG CHMI 1B 5.3 60.0
Region: Plzensky 2026-04-04 12:00 - 15:00 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 6.5 4.7
PKUJA Kamenny Ujezd   B/R/NA-NCI CHMI 3.6 2.7 2.2 3.4
PPLLA Plzen-Lochotin   B/U/R CHMI 1B 1.8 6.6 5.6 44.6 4.0
PPLVA Plzen-Doubravka   B/S/A CHMI 1B 1.3 6.9 6.0 57.3 3.9
PPLXA Plzeň-Slovany   T/U/RC CHMI 1B 2.0 7.9 10.2 53.2 4.6
PPRMA Primda   B/R/N-REG CHMI 1B 1.8 4.2 56.3 4.2
Region: Karlovarsky 2026-04-04 12:00 - 15:00 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
KPRBA Prebuz   B/R/AN-REG CHMI 1B 3.0 70.3 2.7
KSOMA Sokolov   B/S/R CHMI 1B 5.3 5.8 4.1 60.8 5.5
Region: Ustecky 2026-04-04 12:00 - 15:00 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 12.0 10.4 9.5
UDOKA Doksany   B/R/NA-NCI CHMI 4.4 3.5 62.0
UCHMA Chomutov   B/U/R CHMI 9.8
ULOMA Lom   B/R/IN-NCI CHMI 1B 5.7 4.5 11.1 60.0 3.9
UMOMA Most   B/U/R CHMI 2A 3.5 4.0 11.2 64.5 7.6
URVHA Rudolice v Horach   B/R/N-REG CHMI 1B 4.3 72.4
USNZA Sneznik   B/R/N-REG CHMI 1B 1.8 2.4 66.0 6.1
USTEA Steti   B/U/R CHMI 1B 1.3 7.0 64.0 3.2
UTPMA Teplice   B/S/R CHMI 2A 5.4 14.1 66.0 10.2
UTUSA Tusimice   B/R/IA-NCI CHMI 1B 3.1 1.0 3.6 67.8 5.3
UUKTA Usti n.L.-Pasteurova   I/U/R ZU Usti nL 6.2 3.2
UULDA Usti n.L.-Vseboricka   T/U/RC CHMI 16.5 12.0 4.0
UULKA Usti n.L.-Kockov   B/S/RN CHMI 2A 3.0 6.9 8.5 68.0 5.7
UULMA Usti n.L.-mesto   B/U/RC CHMI 2A 8.5 17.6 67.7
Region: Liberecky 2026-04-04 12:00 - 15:00 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 15.8
LFRTA Frydlant   B/R/N-REG CHMI 1.3 57.3
LHVIA Horni Vitkov   B/R/N-REG CHMI 5.6 4.2
LLILA Liberec-Rochlice   B/U/R CHMI 2A 2.3 11.4 21.1 56.1 19.8
LSOUA Sous   B/R/N-REG CHMI 1B 57.8 5.3
LUHLA Uhelna   B/R/NA-NCI CHMI 8.1 6.5
Region: Kralovehradecky 2026-04-04 12:00 - 15:00 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 2A 5.5 16.2 65.2 10.5
HHKOK Hradec Kralove-observator   B/S/R CHMI 65.3
HHKSA Hr.Kral.-Sukovy sady   T/U/RCI ZU Usti nL 5.3 8.8 6.2
HKRYA Krkonose-Rychory   B/R/N-REG CHMI 1B 1.3 47.2 8.2
HPLOA Polom   B/R/N-REG CHMI 2A 1.3 6.2 17.9 60.9
HTRTA Trutnov - Tkalcovska   B/U/R CHMI 18.2
Region: Pardubicky 2026-04-04 12:00 - 15:00 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 5.7 9.9 4.3
EPAOA Pardubice-Rosice   B/S/RI CHMI 1.3 2.9 63.8
EPAUA Pardubice Dukla   B/U/R CHMI 2A 1.3 11.7 64.7 5.3
ESVRA Svratouch   B/R/AN-REG CHMI 1B 62.0 9.8
Region: Vysocina 2026-04-04 12:00 - 15:00 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 6.7 7.7 4.7
JKMYA Kostelni Myslova   B/R/A-NCI CHMI 63.1
JKOSA Kosetice   B/R/AN-REG CHMI 2A 1.5 3.6 12.3 62.5 2.7
JPEMA Pelhrimov   B/S/R ZU-Ostrava 4.3 3.3
JTREA Trebic   B/S/RN CHMI 1B 6.6 64.9
JZNZA Zdar nad Sazavou   B/U/RC ZU-Ostrava 5.3 4.3
Region: Jihomoravsky 2026-04-04 12:00 - 15:00 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 2A 5.1 9.0 69.9 10.2
BBMAA Brno-Arboretum   B/U/RN SMBrno 2A 5.4 8.7 76.1 6.6
BBMLA Brno-Lany   B/S/RN SMBrno 2A 6.9 6.2 7.5 77.9 4.8
BBMSA Brno-Svatoplukova   T/U/R SMBrno 8.3 10.9 5.1
BBNIA Brno-Lisen   B/U/R CHMI 12.9 3.6
BBNYA Brno-Turany   B/S/R CHMI 2A 7.1 3.5 7.7 70.3 5.2
BBOMA Brno-Komarov   T/U/R SMBrno 10.2 8.6 4.6
BHODA Hodonin   B/U/R ZU-Ostrava 8.3 5.0
BKUCA Kucharovice   B/R/A-NCI CHMI 2A 75.3 11.8
BKURA Kurim   T/U/R CHMI 6.1 6.4 11.9 5.7
BMISA Mikulov-Sedlec   B/R/A-REG CHMI 2A 5.6 5.2 13.9 71.5 13.9
BMOCA Sivice   B/R/I-NCI Ceskomorav 10.2 11.7 8.2
BMOKA Mokra   B/R/R-NCI Ceskomorav
BZNOA Znojmo   B/S/RN CHMI 3.3 11.9 2.8
Region: Olomoucky 2026-04-04 12:00 - 15:00 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 14.4 12.4
MJESA Jesenik-lazne   B/R/N-NCI CHMI 2A 1.3 4.7 15.0 69.4
MLOSA Lostice   B/R/A-NCI VLOS 10.1
MOLJA Olomouc-Hejcin   B/U/R CHMI 2A 8.8 24.9 64.0 14.7
MPHRA Hranice   B/U/RC MHR 15.9 12.3
MPRRA Prerov   B/U/CR CHMI 2A 4.2 12.8 69.6 18.3
MPSTA Prostejov   B/U/R CHMI 2A 9.0 68.8
MSMSA Sumperk, ZS Vrchlickeho   B/U/R MSUM 9.4 7.3
MVBYA Velka Bystrice   T/U/RI MUVB
Region: Zlinsky 2026-04-04 12:00 - 15:00 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 10.1 8.4
ZROZA Roznov pod Radhostem   T/U/RI MU Roznov 16.8 21.9 12.3
ZSNVA Stitna n.Vlari   B/R/N-REG CHMI 84.3
ZTNVA Tesnovice   B/R/A-REG CHMI 1B 3.2 3.7 11.2 53.4 7.7
ZUHRA Uherske Hradiste   T/U/RC CHMI 14.4 17.6
ZVMZA Valasske Mezirici   B/U/R CHMI 8.2 9.9
ZZLNA Zlin   B/S/RN CHMI 2A 2.6 5.0 13.2 75.5 7.2
ZZZSA Zlin-ZS Kvitkova   B/U/R MZLI 10.3 12.6 8.9
Region: Moravskoslezsky 2026-04-04 12:00 - 15:00 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
TCERA Cervena hora   B/R/N-REG CHMI 4.9 72.3
TCTNA Cesky Tesin   B/U/RI CHMI 1.3 4.9 8.3 6.2
TFMIA Frydek-Mistek   B/S/R CHMI 3.7 21.9 9.9
THAOA Havirov ZU   B/U/R ZU, SMHa 15.7
TCHOA Chotebuz   T/R/NR-REG ZU, MSK 4.0 10.7 8.0
TJBLA Jablunkov   T/U/R ZU, MSK 4.0 8.3 5.7
TKAOK Karvina ZU   T/U/R ZU-Ostrava 5.1 11.0 7.3
TKARA Karvina   B/U/R CHMI 1.8 6.5 8.7 6.5
TLHOA Lysa hora   B/R/N-REG CHMI 2A 1.3 4.7 7.5 81.1 6.7
TMTYA Metylovice   B/S/CN ZU, MSK 10.3 8.3
TNSVA Nosovice   B/R/AI-NCI ONOS 6.7 9.6 7.8
TOCBA Ostrava-Ceskobratrsk   T/U/CR CHMI 15.3 11.7 7.4
TOFFA Ostrava-Fifejdy   B/U/R CHMI 2A 1.8 6.0 10.9 76.6
TOHUA Ostrava-Hrusov   I/S/C SMOstrava 11.2 8.1
TOMHK Ostrava-Marianske Ho   B/U/RN SMOstrava 2A 5.3 3.8 10.7 72.1 7.3
TOPOA Ostrava-Poruba CHMU   B/S/R CHMI 1.3 2.5 15.5 10.4
TOPRA Ostrava-Privoz   I/U/IR CHMI 2A 1.8 5.9 19.0 75.7 10.6
TOREK Ostrava-Radvanice ZU   I/S/IR SMOstrava 2A 5.3 3.8 10.0 77.2 7.7
TOROK Ostrava-Radvanice OZO   B/S/R SMOstrava 2A 5.3 8.1 11.0 79.1 7.7
TOSJA Ostrava Jih   T/U/RC SMOstrava 3.8 11.3 7.7
TRYCA Rychvald   B/U/R CHMI 1.9 6.1 12.7 9.7
TSTDA Studenka   B/R/A-NCI CHMI 2A 3.1 4.6 7.8 70.7 7.0
TTRKA Trinec-Kanada   B/S/RNI SMTr. 7.6 6.1
TTROA Trinec-Kosmos   B/U/RI CHMI 2A 18.4 84.6 13.0
TVERA Vernovice-Dolni Lutyne   B/R/AI-NCI CHMI 2.9 4.7 12.8 11.0

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 2026-04-04 10:00 - 13:00 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 2A 4.9 6.3 9.8 79.0 7.0
QOLEA Olesno   B/U/- GIOS 1B 9.4 22.8 43.9
QOPEA Opole-man4   B/U/- GIOS 3.5 6.2 71.4
QOPLA Opole-aut5   B/U/- GIOS 10.3 6.8
QPRUA Prudnik-mobil   B/U/- GIOS
QZDZA Zdzieszowice   B/U/RCI GIOS 14.2
Region: Malopolski 2026-04-04 10:00 - 13:00 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 2A 5.0 9.2 17.4 64.0
YSBNA Sucha Beskidzka, ul. Nieszczynskiej   B/U/- GIOS 12.7
YTARA Tarnow   B/U/RCI GIOS 2A 3.9 14.8 16.1 79.5
YTRZA Trzebinia   B/U/RCI GIOS 9.7 13.9
YZAKA Zakopane   B/U/RC GIOS 2A 8.3 7.4 90.2
Region: Dolnoslaskie 2026-04-04 10:00 - 13:00 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 12.0 4.9
VDZRA Dzierzoniow   B/U/RC GIOS 9.3
VJAGA Jasna Gora   I/R/- GIOS 7.8 4.9
VJEGA Jelenia Gora-Oginskiego   B/U/- GIOS 2A 9.1 6.6 9.2 68.3 6.7
VKLDA Klodzko-Szkolna   B/U/- GIOS 2A 7.4 14.2 69.8 10.2
VNRJA Nowa Ruda-Jeziorna   B/U/- GIOS 17.7
VOLZA Olawa-Zolnierzyak   B/U/- GIOS 2A 7.2 12.0 69.1
VOSIA Osieczów   B/R/AN-REG GIOS 6.7 4.0 61.5
VSNIA Sniezka   B/R/- Inst of Me
VWRAA Wroclaw-Bartnicza   B/S/- GIOS 7.9 65.0
VWRIA Wroclaw-Wisniowa   T/U/- GIOS 20.6 10.6
VWROA Wroclaw-Korzeniowskiego   B/U/- GIOS 2A 6.7 8.5 16.2 63.7 11.5
VWWYA Walbrzych-Wysockiego   B/U/- GIOS 2A 8.9 9.5 11.9 65.3
Region: Slaskie 2026-04-04 10:00 - 13:00 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 12.6 9.9
WBIBA Bielsko Biala   B/U/RC GIOS 2A 3.5 10.2 84.7
WCZAA Czestochowa - Armii Krajowej   T/U/RCI GIOS 16.7 19.7
WCZBA Czestochowa - Baczyrskiego   B/U/RCI GIOS 2A 2.6 7.5 23.7 76.1
WDAGA Dabrowa Górnicza   B/U/RCI GIOS 2B 4.0 6.9 29.1 81.1
WGLIA Gliwice   B/U/RCI GIOS 14.9
WKATA Katowice   B/U/RCI GIOS 2A 3.8 7.2 14.1 80.2 10.3
WKTWA Katowice, ul. Plebiscytowa/A4   T/U/- GIOS
WLUBA Lubliniec, ul. ks. Szymaly   B/U/- GIOS 13.8
WRYBA Rybnik   B/U/RCI GIOS 2A 0.9 10.0 7.4 82.3
WSOSA Sosnowiec   B/U/RCI GIOS 12.9
WTYCA Tychy   B/U/RCI GIOS 2.2 12.7
WUSTA Ustron   B/S/RC GIOS 2A 7.3 10.3 14.3 79.4
WWOZA Wodzislaw   B/U/RCI GIOS 2A 1.9 7.2 13.4 82.0
WZABA Zabrze   B/U/RCI GIOS
WZLPA Zloty Potok   B/R/AN-REG GIOS 2A 1.1 4.2 11.5 85.2 9.7
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 2026-04-04 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
1AKHA Wien-AKH (Allgemeines Krankenhaus)   T/U/RC MSW 7.5 5.2
1AWHA Wien-A23-Wehlistraße   T/S/- MSW 9.7 9.0 5.3
1BELA Wien-Belgradplatz   T/U/R MSW 11.4 6.4 4.4
1FLGA Wien-Floridsdorf Gerichtsgasse   T/U/RC MSW 9.5 7.0 5.1
1GAUA Wien-Gaudenzdorf   T/U/RC MSW 5.9 8.0 4.8
1HERA Wien-Hermannskogel   B/S/AN MSW
1HIKA Wien-Hietzinger   T/U/RC MSW 12.1
1HOWA Wien-Hohe Warte   B/S/R MSW 0.6 5.5 78.2
1KAEA Wien-Kaiser-Ebersdorf   I/S/RI MSW 2.9 7.0 6.9 5.2
1KENA Wien-Kendlerstraße   T/U/R MSW 7.9 7.0 4.8
1LABA Wien-Laaer Berg   T/S/RC MSW
1LIGA Wien-Liesing-Gewerbegebiet   T/S/RI MSW 7.3 5.1 3.9
1LOBA Wien-Lobau   B/S/AN MSW 2A 7.5 6.0 77.3 4.3
1SCHA Wien-Schafberg   B/S/R MSW 6.0 6.8 5.5
1STAA Wien-Stadlau   B/U/RC MSW 2.2 9.2 7.6 5.2
1STEA Wien-Stephansplatz   B/U/R MSW 5.9 74.4
1TABA Wien-Taborstrasse   T/U/R MSW 6.9 4.9
Region: Niederösterreich 2026-04-04 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
2AMSA Amstetten   B/U/R Amt der NÖ 2A 6.5 7.0 74.8
2BIEA Biedermannsdorf   T/S/RC Amt der NÖ
2DUNA Dunkelsteinerwald   B/R/A Amt der NÖ 5.8 67.8
2FORA Forsthof   B/R/AN Amt der NÖ 5.0 77.3
2GANA Gänserndorf   B/S/A Amt der NÖ 2A 7.2 8.0 75.0
2GREA Gr. Enzersdorf II.   B/R/A Amt der NÖ 5.0
2HAIA Hainburg   B/S/RC Amt der NÖ 2A 1.0 7.0 7.8 77.5
2HEIA Heidenreichstein   B/R/N Amt der NÖ 1B 1.0 4.0 4.0 67.8
2IRNA Irnfritz   B/R/A Amt der NÖ
2KEMA Kematen   B/S/CI Amt der NÖ 5.3 81.5
2KLOA Klosterneuburg   B/U/R Amt der NÖ 2.0 5.8 75.2
2KLVA Klosterneuburg Verkehr   T/U/RCI Amt der NÖ 6.7 7.8
2KOLA Kollmitzberg   B/R/AN Amt der NÖ 1.0 69.8
2KREA Krems   B/U/RC Amt der NÖ 2A 7.0 5.0 69.5
2MANA Mannswörth   I/U/I Amt der NÖ
2MISA Mistelbach   B/R/A Amt der NÖ 1B 9.0 68.3
2NEUA Neusiedl   B/R/A Amt der NÖ 7.3 7.7
2POCA Pöchlam   B/U/R Amt der NÖ
2PURA Purkersdorf   B/S/RC Amt der NÖ 6.3 74.5
2SCHA Schwechat   I/U/RI Amt der NÖ 2A 1.0 5.5 6.0 78.8 4.2
2SPOA St. Polten   B/U/IR Amt der NÖ 2A 1.0 6.2 7.7 70.3 5.8
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 6.5 11.0
2SVAA St. Valentin-A1   T/S/IR Amt der NÖ 7.7 6.2
2TRAA Traismauer   B/S/R Amt der NÖ
2TRSA Trasdorf   B/S/R Amt der NÖ 1.0 6.7 7.3
2TUKA Tulbinger Kogel   B/R/N Amt der NÖ
2TULA Tulln   B/U/R Amt der NÖ 2A 2.2 7.0 7.7 68.8
2WOLA Wolkersdorf   B/R/A Amt der NÖ 8.0 70.7
2ZIEA Ziersdorf   B/R/A Amt der NÖ 71.5
2ZWEA Zwentendorf   B/S/R Amt der NÖ 6.5 5.5
Region: Oberösterreich 2026-04-04 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
3ASEA Asten   -/-/- AOL
3BISA Bad-Ischl   B/S/RC AOL 1B 11.6 7.5 54.5 5.6
3BZEA Braunau Zentrum   B/S/RCI AOL 1B 0.3 4.9 6.2 65.2 5.2
3EKRA Enns-Kristein 3   T/R/RA AOL 30.6 9.0 6.4
3ENZA Enzenkirchen   -/-/- AOL
3FEUA Feuerkogel   B/R/N-REG AOL 15.1 83.0 8.8
3GRNA Grunbach   B/R/AN AOL 1B 1.1 5.1 2.3 67.4 1.9
3HAIA Haid   -/-/- AOL
3LENA Lenzing   I/R/RI AOL
3LEZA Lenzing 2   B/U/RI AOL
3LNWA Linz-Neue Welt   B/U/RCI AOL 2A 1.1 8.5 10.7 65.0 7.9
3LRMA Linz-Romerbergtunnel   T/U/RC AOL 21.1 9.6 8.7
3LSTA Linz-Stadtpark   B/U/R AOL 2A 9.2 9.9 68.1 7.6
3LTUA Linz-24er-Turm   T/U/RCI AOL
3RANA Ranshofen 3   -/-/- AOL
3SGAA Steyregg-Au   I/S/RI AOL 29.2 18.4 11.4 8.3
3SCHA Schwand   -/-/- AOL
3STEA Steyr   B/S/RI AOL 2A 1.4 5.5 8.0 80.2 6.5
3TRAA Traun   B/S/RC AOL 2A 5.1 5.7 73.5 5.5
3VKLA Vöcklabruck   B/S/RCI AOL 9.3 4.3 4.5
3WELA Wels   B/U/RCI AOL 2A 0.3 9.3 6.6 70.7 4.3
3ZBLA Zobelboden 2   B/R/N AOL

Current overview of data from Slovakia automated stations

Region: Banskobystrický kraj 2026-04-04 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
FBBNA Banska Bystrica, nam. slobody   B/U/- SHMI
FBBZA Banska Bystrica, Zelena   B/U/- SHMI 8.0 94.0
FHNHA Hnusta, Hlavna   B/S/- SHMI 9.0
FJEJA Jelsava, Jesenskeho   B/S/- SHMI 2A 3.0 15.0 94.0
FZHJA Ziar nad Hronom, Jilemnickeho   B/U/- SHMI 7.3
FZJAA Zvolen, J. Alexyho   B/U/- SHMI 10.3
Region: Bratislava 2026-04-04 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
GBLVA Bratislava-Jeseniova   B/U/- SHMI 2A 4.3 11.7 74.3
GBRKA Bratislava, Kamenne nam.   B/U/- SHMI 20.3
GBRMA Bratislava, Mamateyova   B/U/- SHMI 1B 8.0 4.7 8.3 62.0
GBRTA Bratislava, Trnavske Myto   T/U/- SHMI 11.7 10.0
Region: Bratislavský kraj 2026-04-04 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
IMAMA Malacky, Mierove nam.   T/U/- SHMI
Region: Košice 2026-04-04 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
OKOAA Kosice, Amurska   B/U/- SHMI 15.0
OKODA Kosice, Dumbierska   B/S/- SHMI
OKOSA Kosice, Stefanikova I.   T/U/- SHMI 12.0 18.7
Region: Košický kraj 2026-04-04 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
RKOHA Kojsovska hola   B/R/- SHMI 92.7
RKRSA Krompachy, SNP   T/U/- SHMI 7.0 13.3
RSTMA Strazske, Mierova   B/U/- SHMI 26.7
RVILA Velka Ida, Letna   I/S/- SHMI 18.0
Region: Nitrianský kraj 2026-04-04 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
4NIJA Nitra, Janikovce   B/U/- SHMI 18.0 78.0
4NISA Nitra, Sturova   T/U/- SHMI 8.0 13.0
Region: Prešovský kraj 2026-04-04 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
5BPVA Bardejov, Pod Vinbargom   B/S/- SHMI 2A 2.3 10.0 87.0
5GANA Ganovce, Meteo. st.   B/R/- SHMI 3.0 85.0
5HNSA Humenne, Nam. Slobody   B/U/- SHMI 2B 5.7 23.3 95.7
5KOSA Kolonicke sedlo   B/R/- SHMI 15.0
5PLSA Presov, arm. gen. L. Svobodu   T/U/- SHMI 21.7 20.7
5SLEA Stara Lesna, AV SAV, EMEP   B/R/- SHMI 2A 3.4 10.0 93.0
5SVEA Starina, Vodna nadrz, EMEP   B/R/- SHMI 3.0 82.9
5VNTA Vranov nad Top., M.R.Stefanika   B/U/- SHMI 21.7
Region: Trenčianský kraj 2026-04-04 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
6BRSA Bystricany, Rozvodna SSE   B/U/- SHMI 20.3
6HMCA Handlova, Moravianska cesta   B/U/- SHMI 7.7
6PRMA Prievidza, Malonecpalska   B/U/- SHMI 2A 13.0 8.3 75.3
6TRHA Trenčín, Hasicska   T/U/- SHMI 3.0 14.8 26.7
Region: Trnavský kraj 2026-04-04 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
7SEHA Senica, Hviezdoslavova   T/U/- SHMI 3.0 21.0
7SEVA Sered, Vinarska   B/U/- SHMI 3.0 10.0
7TAEA Topolniky, Aszod, EMEP   B/R/- SHMI 2A 7.3 3.7 14.0 73.7
7TRKA Trnava, Kollarova   T/U/- SHMI 13.7 12.7
Region: Žilinský kraj 2026-04-04 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
8CHOA Chopok, EMEP   B/R/- SHMI 104.7
8MAJA Martin, Jesenskeho   T/U/- SHMI 9.9 11.0
8RURA Ruzomberok, Riadok   B/U/- SHMI 2A 1.0 6.7 13.7 70.7
8ZIOA Zilina, Obezna   B/U/- SHMI 12.3

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