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: 2026-05-24 17:25 CEST

Region: Prague 2026-05-24 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 6.6 7.7 123.5
ALEGA Praha 2-Legerova   T/U/RC CHMI 2B 33.6 24.6 114.4 10.5
AREPA Praha 1-n. Republiky   B/U/C CHMI 2B 11.5 15.5 114.4
ARIEA Praha 2-Riegrovy sady   B/U/NR CHMI 2B 2.1 5.2 13.3 114.4 14.8
AVRSA Praha 10-Vrsovice   T/U/R CHMI 2B 5.4 14.7 114.1
AVYNA Praha 9-Vysocany   T/U/CR CHMI 2B 15.2 27.7 106.5
     Periphery of Prague    2B
ABREA Praha 6-Brevnov   B/U/RN CHMI 2B 10.4 9.2 110.9
ACHOA Praha 4-Chodov   B/U/RN CHMI 2B 3.6 12.8 121.9
AKOBA Praha 8-Kobylisy   B/S/R CHMI 2B 2.9 14.2 118.0
ALERA Letiste Praha   T/S/C Letiste Pr 2B 1.9 34.5 100.5 7.8
ALIBA Praha 4-Libus   B/S/R CHMI 2B 4.9 2.2 10.3 123.8 5.2
APRUA Praha 10-Prumyslova   T/U/IC CHMI 2B 9.4 11.9 122.5
ARERA Praha 5-Reporyje   B/S/RA ZU Usti nL 2B 2.3 17.4 116.8 6.5
ASROA Praha 10-Srobarova   B/U/RC SZU 2B 1.9 15.4 113.9 5.9
ASTOA Praha 5-Stodulky   B/U/R CHMI 2B 14.6 119.7 12.6
ASUCA Praha 6-Suchdol   B/S/R CHMI 2B 5.3 117.0
AHOLA Praha 7-Holesovice   T/U/RC CHMI 2B 9.5 15.9 115.6 8.2
Region: Stredocesky 2026-05-24 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 2.0 8.7 110.4 4.1
SKHOA Kutna Hora-Orebitska   B/U/R CHMI 2A 3.7 4.2 109.6 3.3
SKLMA Kladno-stred mesta   B/U/R CHMI 2A 5.8 107.4 5.5
SKLSA Kladno-Svermov   B/U/RI CHMI 2B 7.5 1.7 13.7 107.6
SKOAA Kolin SAZ   B/U/R ZU Usti nL 2B 13.8 109.5 7.3
SKRPA Kralupy nad Vltavou-sportoviste   I/U/RCI ZU Usti nL 2B 19.6 110.8 8.3
SMBOA Mlada Boleslav   B/U/R CHMI 2B 4.3 11.6 108.4 8.8
SONRA Ondrejov   B/R/N-REG CHMI 2B 125.8 9.7
SPBRA Pribram-Brezové Hory   B/U/R CHMI 2B 3.4 21.8 108.4
SRORA Rozdalovice-Ruska   B/R/A-NCI CHMI 2B 1.8 1.7 3.9 114.0 5.2
STCSA Tobolka-Certovy schody   B/R/ANI-NCI VCs 2B 1.0 104.6 11.7 4.0
Region: Jihocesky 2026-05-24 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
CCBTA Ces. Budejovice-Tres   B/U/R ZU Usti nL 2B 17.5 111.0 9.4
CCHUA Churanov   B/R/N-REG CHMI 2B 0.3 0.6 108.0 11.3
CKOCA Kocelovice   B/R/N-REG CHMI 2B 116.2 11.1
CPRAA Prachatice   B/S/R CHMI 2B 2.5 12.1 111.8
CSTRA Strakonice-ZS Strakonice   B/U/R ZU Usti nL 2B 31.7 108.5 11.0
CTACA Tabor   T/U/RC CHMI 2B 7.1 14.0 105.1
CHVOA Hojna Voda   B/R/N-REG CHMI 2B 11.3 117.4
Region: Plzensky 2026-05-24 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 35.6 107.4 11.4
PKUJA Kamenny Ujezd   B/R/NA-NCI CHMI 2B 5.2 1.0 10.8 112.7 9.0
PPLLA Plzen-Lochotin   B/U/R CHMI 2A 2.8 3.9 28.6 76.5 10.4
PPLVA Plzen-Doubravka   B/S/A CHMI 2A 5.1 13.1 97.7 8.0
PPLXA Plzeň-Slovany   T/U/RC CHMI 2B 4.8 7.1 14.9 96.5 5.3
PPRMA Primda   B/R/N-REG CHMI 2A 0.6 1.8 100.1 12.4
Region: Karlovarsky 2026-05-24 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
KPRBA Prebuz   B/R/AN-REG CHMI 2B 1.3 1.0 115.5 13.3
KSOMA Sokolov   B/S/R CHMI 2B 1.3 2.6 14.5 109.1 4.4
Region: Ustecky 2026-05-24 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 20.1 13.6 109.4 10.3
UDOKA Doksany   B/R/NA-NCI CHMI 2B 2.0 3.1 119.6 14.0
UCHMA Chomutov   B/U/R CHMI 2B 14.5 113.7
ULOMA Lom   B/R/IN-NCI CHMI 2B 1.3 2.2 15.9 110.4 10.2
UMOMA Most   B/U/R CHMI 2B 1.3 5.0 12.5 116.6 6.0
URVHA Rudolice v Horach   B/R/N-REG CHMI 2B 13.1 122.5
USNZA Sneznik   B/R/N-REG CHMI 2B 1.3 1.7 128.0 14.9
USTEA Steti   B/U/R CHMI 2B 2.1 22.6 115.9 9.5
UTPMA Teplice   B/S/R CHMI 2B 1.3 16.2 119.6 6.4
UTUSA Tusimice   B/R/IA-NCI CHMI 2B 1.3 1.0 13.2 113.0 4.5
UUKTA Usti n.L.-Pasteurova   I/U/R ZU Usti nL 2B 16.3 111.9 7.7
UULDA Usti n.L.-Vseboricka   T/U/RC CHMI 2B 19.0 21.8 113.6 9.1
UULKA Usti n.L.-Kockov   B/S/RN CHMI 2B 1.3 2.9 8.7 115.5 10.2
UULMA Usti n.L.-mesto   B/U/RC CHMI 2B 5.1 7.4 107.8
Region: Liberecky 2026-05-24 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 2B 9.3 115.5
LFRTA Frydlant   B/R/N-REG CHMI 2B 1.3 110.5 18.3
LHVIA Horni Vitkov   B/R/N-REG CHMI 2B 22.2 111.5 8.9
LLILA Liberec-Rochlice   B/U/R CHMI 2B 1.3 2.9 8.4 112.2 8.3
LSOUA Sous   B/R/N-REG CHMI 2B 113.4 17.1
LUHLA Uhelna   B/R/NA-NCI CHMI 2B 16.1 111.7 8.0
Region: Kralovehradecky 2026-05-24 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 2A 5.4 9.0 101.5 10.3
HHKOK Hradec Kralove-observator   B/S/R CHMI 2B 108.4 12.6
HHKSA Hr.Kral.-Sukovy sady   T/U/RCI ZU Usti nL 2B 8.6 20.7 101.7 11.6
HKRYA Krkonose-Rychory   B/R/N-REG CHMI 2A 1.3 98.3 13.5
HPLOA Polom   B/R/N-REG CHMI 2B 1.3 3.8 14.5 103.9
HTRTA Trutnov - Tkalcovska   B/U/R CHMI 2B 17.8 113.4
Region: Pardubicky 2026-05-24 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 2.3 7.5 100.5 3.4
EPAOA Pardubice-Rosice   B/S/RI CHMI 2B 1.8 4.5 12.3 112.1
EPAUA Pardubice Dukla   B/U/R CHMI 2B 1.3 12.4 112.3 4.6
ESVRA Svratouch   B/R/AN-REG CHMI 2B 115.0 11.6
Region: Vysocina 2026-05-24 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 8.6 20.7 100.2 9.0
JKMYA Kostelni Myslova   B/R/A-NCI CHMI 2B 109.4 9.9
JKOSA Kosetice   B/R/AN-REG CHMI 2B 3.1 1.7 6.7 121.6 7.5
JPEMA Pelhrimov   B/S/R ZU-Ostrava 2B 18.3 113.2 8.0
JTREA Trebic   B/S/RN CHMI 2A 9.1 92.1
JZNZA Zdar nad Sazavou   B/U/RC ZU-Ostrava 2B 14.7 102.7 7.7
Region: Jihomoravsky 2026-05-24 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 2A 3.3 7.8 104.8 7.2
BBMAA Brno-Arboretum   B/U/RN SMBrno 2B 2.4 21.6 108.8 15.0
BBMLA Brno-Lany   B/S/RN SMBrno 2B 1.3 2.6 18.4 111.2 10.7
BBMSA Brno-Svatoplukova   T/U/R SMBrno 2B 8.6 19.3 106.3 11.2
BBNIA Brno-Lisen   B/U/R CHMI 2A 5.2 109.1 7.5
BBNYA Brno-Turany   B/S/R CHMI 2B 1.3 1.0 10.6 105.1 9.7
BBOMA Brno-Komarov   T/U/R SMBrno 2B 8.7 15.7 107.2 9.6
BHODA Hodonin   B/U/R ZU-Ostrava 2B 14.7 102.1 9.7
BKUCA Kucharovice   B/R/A-NCI CHMI 106.4
BKURA Kurim   T/U/R CHMI 2B 5.9 2.9 5.8 108.5 7.1
BMISA Mikulov-Sedlec   B/R/A-REG CHMI 2B 4.6 3.6 6.3 108.4 2.3
BMOCA Sivice   B/R/I-NCI Ceskomorav 2.8 106.7
BMOKA Mokra   B/R/R-NCI Ceskomorav 2B 14.2 109.0 9.3
BZNOA Znojmo   B/S/RN CHMI 2A 4.6 8.5 104.6 10.2
Region: Olomoucky 2026-05-24 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 11.7 104.2 12.7
MJESA Jesenik-lazne   B/R/N-NCI CHMI 2A 1.3 1.0 9.8 102.9
MLOSA Lostice   B/R/A-NCI VLOS 16.9 104.8
MOLJA Olomouc-Hejcin   B/U/R CHMI 2B 4.3 12.8 103.2 4.5
MPHRA Hranice   B/U/RC MHR 2A 2.8 16.3 88.9 12.0
MPRRA Prerov   B/U/CR CHMI 2A 1.8 2.5 99.7 12.1
MPSTA Prostejov   B/U/R CHMI 2A 6.8 99.5
MSMSA Sumperk, ZS Vrchlickeho   B/U/R MSUM 2.9 18.8 11.9
MVBYA Velka Bystrice   T/U/RI MUVB 105.5
Region: Zlinsky 2026-05-24 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 69.4
ZROZA Roznov pod Radhostem   T/U/RI MU Roznov 12.8 96.3 9.1
ZSNVA Stitna n.Vlari   B/R/N-REG CHMI 2B 110.0 9.3
ZTNVA Tesnovice   B/R/A-REG CHMI 2A 1.8 2.0 10.0 100.6 5.5
ZUHRA Uherske Hradiste   T/U/RC CHMI 2A 16.7 16.9 79.9
ZVMZA Valasske Mezirici   B/U/R CHMI 2A 7.7 92.2 2.8
ZZLNA Zlin   B/S/RN CHMI 1B 2.2 5.1 11.6 49.0 18.7
ZZZSA Zlin-ZS Kvitkova   B/U/R MZLI 3.2 12.1 8.8
Region: Moravskoslezsky 2026-05-24 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
TCERA Cervena hora   B/R/N-REG CHMI 2A 1.0 100.1 10.6
TCTNA Cesky Tesin   B/U/RI CHMI 2B 1.3 1.0 8.1 112.6 5.1
TFMIA Frydek-Mistek   B/S/R CHMI 2B 4.3 11.1 107.5 10.1
THAOA Havirov ZU   B/U/R ZU, SMHa 2B 23.7 108.9
TCHOA Chotebuz   T/R/NR-REG ZU, MSK 2B 4.0 13.0 108.9 8.0
TJBLA Jablunkov   T/U/R ZU, MSK 2B 5.4 12.3 111.6 7.3
TKAOK Karvina ZU   T/U/R ZU-Ostrava 2B 3.8 13.0 114.4 8.0
TKARA Karvina   B/U/R CHMI 1.3 3.5 6.9 4.3
TLHOA Lysa hora   B/R/N-REG CHMI 2B 2.6 3.0 10.7 114.0 7.3
TMTYA Metylovice   B/S/CN ZU, MSK 2B 11.7 111.4 7.3
TNSVA Nosovice   B/R/AI-NCI ONOS 2A 5.4 0.0 111.6 0.0
TOCBA Ostrava-Ceskobratrsk   T/U/CR CHMI 2B 23.3 13.4 120.7 7.5
TOFFA Ostrava-Fifejdy   B/U/R CHMI 2B 3.1 3.3 11.9 117.1
TOHUA Ostrava-Hrusov   I/S/C SMOstrava 2B 12.2 112.3 7.6
TOMHK Ostrava-Marianske Ho   B/U/RN SMOstrava 2B 5.3 3.8 13.3 114.0 8.0
TOPOA Ostrava-Poruba CHMU   B/S/R CHMI 2B 2.4 1.0 4.0 117.2 7.3
TOPRA Ostrava-Privoz   I/U/IR CHMI 2B 1.3 2.9 14.6 120.8 6.7
TORDA Ostrava-Radvanice ZU   B/S/R SMOstrava 2B 5.3 3.8 10.3 115.7 6.7
TOROK Ostrava-Radvanice OZO   B/S/R SMOstrava 2B 5.3 3.8 12.7 118.1 7.3
TOSJA Ostrava Jih   T/U/RC SMOstrava 2B 3.8 13.3 109.6 8.0
TRYCA Rychvald   B/U/R CHMI 2B 2.5 2.8 8.4 109.1 12.2
TSTDA Studenka   B/R/A-NCI CHMI 2B 1.3 2.9 9.7 105.1 5.3
TTRKA Trinec-Kanada   B/S/RNI SMTr. 2B 9.2 111.1 6.0
TTROA Trinec-Kosmos   B/U/RI CHMI 2B 8.9 110.2 10.4
TVERA Vernovice-Dolni Lutyne   B/R/AI-NCI CHMI 2A 1.3 1.5 6.0 108.3 8.3

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 2026-05-24 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
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 2026-05-24 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
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 2026-05-24 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
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 2026-05-24 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
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 2026-05-24 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 10.7 7.0
1AWHA Wien-A23-Wehlistraße   T/S/- MSW 24.2 10.9 6.4
1BELA Wien-Belgradplatz   T/U/R MSW 8.0 10.0 5.7
1FLGA Wien-Floridsdorf Gerichtsgasse   T/U/RC MSW 6.2 10.2 5.4
1GAUA Wien-Gaudenzdorf   T/U/RC MSW 12.0 11.8 7.1
1HERA Wien-Hermannskogel   B/S/AN MSW
1HIKA Wien-Hietzinger   T/U/RC MSW 10.5
1HOWA Wien-Hohe Warte   B/S/R MSW 1.0 3.5 124.5
1KAEA Wien-Kaiser-Ebersdorf   I/S/RI MSW 6.1 7.8 11.4 6.4
1KENA Wien-Kendlerstraße   T/U/R MSW 7.0 10.1 6.4
1LABA Wien-Laaer Berg   T/S/RC MSW
1LIGA Wien-Liesing-Gewerbegebiet   T/S/RI MSW 3.2 10.3 7.1
1LOBA Wien-Lobau   B/S/AN MSW 2B 2.1 9.3 115.5 5.9
1SCHA Wien-Schafberg   B/S/R MSW 5.0 11.7 7.7
1STAA Wien-Stadlau   B/U/RC MSW 2.2 7.9 10.2 6.2
1STEA Wien-Stephansplatz   B/U/R MSW 1.1 5.8 116.6
1TABA Wien-Taborstrasse   T/U/R MSW 9.7 5.9
Region: Niederösterreich 2026-05-24 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 4.0 14.5 119.7
2BIEA Biedermannsdorf   T/S/RC Amt der NÖ
2DUNA Dunkelsteinerwald   B/R/A Amt der NÖ 2.0 109.2
2FORA Forsthof   B/R/AN Amt der NÖ 3.2 118.8
2GANA Gänserndorf   B/S/A Amt der NÖ 2B 2.7 10.7 116.3
2GREA Gr. Enzersdorf II.   B/R/A Amt der NÖ 7.2
2HAIA Hainburg   B/S/RC Amt der NÖ 2B 2.0 3.0 8.3 111.5
2HEIA Heidenreichstein   B/R/N Amt der NÖ 2B 1.0 1.3 18.5 116.3
2IRNA Irnfritz   B/R/A Amt der NÖ
2KEMA Kematen   B/S/CI Amt der NÖ 11.3 113.2
2KLOA Klosterneuburg   B/U/R Amt der NÖ 2.0 4.0 118.2
2KLVA Klosterneuburg Verkehr   T/U/RCI Amt der NÖ 6.5 10.8
2KOLA Kollmitzberg   B/R/AN Amt der NÖ 2.0 124.8
2KREA Krems   B/U/RC Amt der NÖ 2B 2.0 11.3 108.3
2MANA Mannswörth   I/U/I Amt der NÖ
2MISA Mistelbach   B/R/A Amt der NÖ 2B 10.3 106.3
2NEUA Neusiedl   B/R/A Amt der NÖ 4.2 10.8
2POCA Pöchlam   B/U/R Amt der NÖ
2PURA Purkersdorf   B/S/RC Amt der NÖ 4.8 113.2
2SCHA Schwechat   I/U/RI Amt der NÖ 2B 2.0 3.4 10.2 123.0 6.5
2SPOA St. Polten   B/U/IR Amt der NÖ 2B 2.0 3.0 10.5 113.7 6.3
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 3.3 11.2
2SVAA St. Valentin-A1   T/S/IR Amt der NÖ 5.0 6.5
2TRAA Traismauer   B/S/R Amt der NÖ
2TRSA Trasdorf   B/S/R Amt der NÖ 2.0 3.0 11.7
2TUKA Tulbinger Kogel   B/R/N Amt der NÖ
2TULA Tulln   B/U/R Amt der NÖ 2B 3.3 3.5 11.3 116.7
2WOLA Wolkersdorf   B/R/A Amt der NÖ 6.7 111.8
2ZIEA Ziersdorf   B/R/A Amt der NÖ 108.0
2ZWEA Zwentendorf   B/S/R Amt der NÖ 2.2 6.2
Region: Oberösterreich 2026-05-24 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 2A 1.6 8.1 96.2 3.3
3BZEA Braunau Zentrum   B/S/RCI AOL 2A 1.0 2.7 9.0 104.7 5.0
3EKRA Enns-Kristein 3   T/R/RA AOL 30.2 14.5 7.2
3ENZA Enzenkirchen   -/-/- AOL
3FEUA Feuerkogel   B/R/N-REG AOL 11.6 107.4 7.3
3GRNA Grunbach   B/R/AN AOL 2B 1.2 1.7 18.3 109.2 7.5
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 1.3 8.2 13.8 108.4 7.2
3LRMA Linz-Romerbergtunnel   T/U/RC AOL 20.1 11.2 6.8
3LSTA Linz-Stadtpark   B/U/R AOL 2B 4.3 10.6 115.5 6.3
3LTUA Linz-24er-Turm   T/U/RCI AOL
3RANA Ranshofen 3   -/-/- AOL
3SGAA Steyregg-Au   I/S/RI AOL 20.8 13.9 13.8 5.6
3SCHA Schwand   -/-/- AOL
3STEA Steyr   B/S/RI AOL 1.6 2.4 8.3 5.2
3TRAA Traun   B/S/RC AOL 2B 2.5 11.0 116.6 6.1
3VKLA Vöcklabruck   B/S/RCI AOL 1.0 6.2 5.0
3WELA Wels   B/U/RCI AOL 2B 3.5 2.9 9.0 114.7 4.7
3ZBLA Zobelboden 2   B/R/N AOL

Current overview of data from Slovakia automated stations

Region: Banskobystrický kraj 2026-05-24 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 13.0 95.0
FHNHA Hnusta, Hlavna   B/S/- SHMI 18.0
FJEJA Jelsava, Jesenskeho   B/S/- SHMI 7.7 88.3
FZHJA Ziar nad Hronom, Jilemnickeho   B/U/- SHMI 13.3
FZJAA Zvolen, J. Alexyho   B/U/- SHMI 19.3
Region: Bratislava 2026-05-24 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 2B 3.6 1.3 19.3 105.7
GBRKA Bratislava, Kamenne nam.   B/U/- SHMI 20.7
GBRMA Bratislava, Mamateyova   B/U/- SHMI 11.0 20.0 71.6
GBRTA Bratislava, Trnavske Myto   T/U/- SHMI 11.0 16.7 16.0
Region: Bratislavský kraj 2026-05-24 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 2026-05-24 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 21.0
OKODA Kosice, Dumbierska   B/S/- SHMI
OKOSA Kosice, Stefanikova I.   T/U/- SHMI 16.9 10.3 26.7 23.3
Region: Košický kraj 2026-05-24 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 97.0
RKRSA Krompachy, SNP   T/U/- SHMI 20.0 25.3
RSTMA Strazske, Mierova   B/U/- SHMI 20.7
RVILA Velka Ida, Letna   I/S/- SHMI 39.3
Region: Nitrianský kraj 2026-05-24 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 2B 3.0 22.7 104.0
4NISA Nitra, Sturova   T/U/- SHMI 8.7 15.0
Region: Prešovský kraj 2026-05-24 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 2B 2.0 17.0 99.7
5GANA Ganovce, Meteo. st.   B/R/- SHMI 2.7
5HNSA Humenne, Nam. Slobody   B/U/- SHMI 3.3 19.7
5KOSA Kolonicke sedlo   B/R/- SHMI 12.7
5PLSA Presov, arm. gen. L. Svobodu   T/U/- SHMI 19.3 24.3
5SLEA Stara Lesna, AV SAV, EMEP   B/R/- SHMI 13.3 93.9
5SVEA Starina, Vodna nadrz, EMEP   B/R/- SHMI 2.0
5VNTA Vranov nad Top., M.R.Stefanika   B/U/- SHMI 10.7
Region: Trenčianský kraj 2026-05-24 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 9.3 15.7
6HMCA Handlova, Moravianska cesta   B/U/- SHMI 1.0 15.0
6PRMA Prievidza, Malonecpalska   B/U/- SHMI 17.0 72.3
6TRHA Trenčín, Hasicska   T/U/- SHMI 4.0 2.7 32.0
Region: Trnavský kraj 2026-05-24 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 15.3
7SEVA Sered, Vinarska   B/U/- SHMI 14.7
7TAEA Topolniky, Aszod, EMEP   B/R/- SHMI 14.7 99.7
7TRKA Trnava, Kollarova   T/U/- SHMI 20.0 16.0
Region: Žilinský kraj 2026-05-24 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
8MAJA Martin, Jesenskeho   T/U/- SHMI 9.0 11.3
8RURA Ruzomberok, Riadok   B/U/- SHMI 2A 2.3 2.7 13.3 75.3
8ZIOA Zilina, Obezna   B/U/- SHMI 2A 2.7 12.7 78.3

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