SmogRank / Episodes / Poland

Poland and Germany, January 2026

For 2 days, from 5 to 6 January 2026, 59 cities in Poland, Germany and France had PM2.5 at least twice their usual for the time of year. The worst reading was Łask, Łódź Voivodeship, Poland: 135.0 µg/m³ on 6 January, about 5.7× its usual 23.7.

No cause namedWe have no fire or smoke records for these days, so we only say what the measurements show.
Cities reached59in 3 countries
Days25 to 6 January 2026
Worst day6 January58 cities counted
Furthest above usual5.7×Kłodzko

Day by day

6 January 58 cities at twice their usual or more
ŘíčanyPragueStodůlkyCottbusLinzLubnjowAnsfeldenTraunAmstettenZielona GóraWelsEisenhüttenstadtSteyrSankt PöltenBrnoŽideniceFrankfurt (Oder)AltenburgKlosterneuburgKönigs WusterhausenLuckenwaldePerchtoldsdorfViennaGreizWeidenMödlingBlankenfelde-MahlowMarktredwitzStrausbergNeuenhagenBurghausenSchwandorf in BayernWittenbergTeltowGeraZeitzKleinmachnowBerlinBernau bei BerlinBitterfeld-WolfenPotsdamSalzburgBrzegWeißenfelsFalkenseeLandshutDevínska Nová VesMerseburgTraunreutSchwedt (Oder)DessauOranienburgKelheimHalle (Saale)NauenGrazBrandenburg an der HavelKöthenJenaEisenzickenSaalfelden am Steinernen MeerWolfsbergSzczecinBernburgNeuruppinWeimarKlagenfurt am WörtherseeRacibórzBurg bei MagdeburgNurembergMariborMagdeburgMunichNeubrandenburgErfurtStendalBambergGyőrPtujKranjCeljeStarnbergTrbovljeSondershausenSuhlLjubljanaHalberstadtWittenbergeNordhausenAugsburgAnsbachKołobrzegWernigerodeGoriziaMeiningenNovo MestoInnsbruckMühlhausenVeszprémEisenachGüstrowZagrebHansestadt SalzwedelStralsundWolfsburgGoslarDuderstadtKoperEsztergomBraunschweigRostockSalzgitterWürzburgAalenSchwerinGöttingenKempten (Allgäu)Neu-UlmWismarWitzenhausenUlmFuldaSchwäbisch HallBudapestHildesheimDunaújvárosGyálUslarBiberach an der RißLüneburgKasselPécsHannoverLübeckAschaffenburgHeilbronnGroßostheimLindauLudwigsburgFilderstadtBad WildungenStuttgartMichelstadtReutlingenGyöngyösFriedrichshafenHanau am MainWalsrodeHamburgTübingenMarburg an der LahnRintelnHalstenbekFrankfurt am MainHerrenbergBuxtehudeGießenDarmstadtPforzheimEschbornRiedstadtWetzlarHattersheimKielKönigstein im TaunusKazincbarcikaRüsselsheim am MainEggenstein-LeopoldshafenKarlsruheOytenMainzMiskolcItzehoeWiesbadenBielefeldWarsteinWinterthurVillingen-SchwenningenBaden-BadenBremenNetphenLimburg an der LahnSzegedZürichDębicaDelmenhorstMielecSoestJasłoBad KreuznachOlsztynBellinzonaKaiserslauternOsnabrückBremerhavenLuganoKehlFlensburgCuxhavenKrosnoStrasbourgKoblenzBendorfUnnaLüdenscheidFreiburgOldenburgNeuwiedSchwerteMünsterHagenNyíregyházaDortmundDebrecenMüllheimFriesoytheWilhelmshavenLörrachDattelnBaselHattingenBonnWuppertalGelsenkirchenMulhouseSaarbrückenLingenLeverkusenKölnEssenTimişoaraVölklingenBottropBernRatingenPulheimOberhausenLublinDüsseldorfDillingenBorkenDuisburgSaint-AvoldTrierEnschedePrzemyślEmdenWeselKrefeldJüchenMönchengladbachLunévilleJülichÉpinalThionvilleLuxembourgMetzZamośćVenloNancyAachenEupenGroningenEsch-sur-AlzetteHeerlenVenrayZalăuNijmegenBiałystokLiègeAnsBaia MareGenkFlémalle-HauteEindhovenAnnemasseBarneveldMarche-en-FamenneHouthalenHasseltSighetu MarmaţieiCluj-NapocaAndenneMolDejTilburgUtrechtIJsselsteinMaarssenChambéryMedemblikTârgu JiuMeylanBourg-en-BresseGrenobleVillefontaineRomans-sur-IsèreKatowiceAugustówEłkJarosławKrakówŻaryMontbéliardLampertheimOlpeWormsStarachowiceŻywiecWrocławAlbertvilleIngolstadtMannheimRadomRzeszówKędzierzyn-KoźleBensheimSuwałkiGdyniaPassauWieslochTarnówLauda-KönigshofenJastrzębie ZdrójLudwigshafen am RheinNiskoHeidelbergŁódźSpeyerGdańskCzechowice-DziedziceKościerzynaOpoleKielceOtwockLegionowoPłockGorzów WielkopolskiPruszkówToruńWarsawPoznańJelenia GóraKonstancin-JeziornaWawerZgierzCiechanówElblągWłocławekKutnoBydgoszczŻyrardówKaliszKłodzkoRadomskoŁask
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Every measured city in the area, coloured by its PM2.5 that day; a dark ring marks a city at twice its usual or more. Bars: cities counted each day, coloured by their median level. Choose a day or press play; without JavaScript, the days link to that day's world ranking.

How it spread

ŻywiecŻywiec, 2 January: 7.4 µg/m³, 0.2× usualŻywiec, 3 January: 6.0 µg/m³, 0.2× usualŻywiec, 4 January: 9.2 µg/m³, 0.3× usualŻywiec, 5 January: 74.6 µg/m³, 2.2× usualŻywiec, 6 January: 71.4 µg/m³, 2.1× usualŻywiec, 7 January: no readingŻywiec, 8 January: no readingŻywiec, 9 January: 91.6 µg/m³, 2.7× usualRadomskoRadomsko, 2 January: 9.1 µg/m³, 0.4× usualRadomsko, 3 January: 8.7 µg/m³, 0.4× usualRadomsko, 4 January: 13.4 µg/m³, 0.6× usualRadomsko, 5 January: 70.1 µg/m³, 3.1× usualRadomsko, 6 January: 126.0 µg/m³, 5.6× usualRadomsko, 7 January: no readingRadomsko, 8 January: no readingRadomsko, 9 January: 49.8 µg/m³, 2.2× usualKłodzkoKłodzko, 2 January: 6.6 µg/m³, 0.3× usualKłodzko, 3 January: 7.5 µg/m³, 0.3× usualKłodzko, 4 January: 10.4 µg/m³, 0.5× usualKłodzko, 5 January: 58.6 µg/m³, 2.7× usualKłodzko, 6 January: 120.0 µg/m³, 5.6× usualKłodzko, 7 January: no readingKłodzko, 8 January: no readingKłodzko, 9 January: 152.0 µg/m³, 7.0× usualOtwockOtwock, 2 January: 11.3 µg/m³, 0.4× usualOtwock, 3 January: 10.2 µg/m³, 0.4× usualOtwock, 4 January: 13.5 µg/m³, 0.5× usualOtwock, 5 January: 55.4 µg/m³, 2.2× usualOtwock, 6 January: 82.8 µg/m³, 3.3× usualOtwock, 7 January: no readingOtwock, 8 January: no readingOtwock, 9 January: 34.2 µg/m³, 1.3× usualKutnoKutno, 2 January: 9.5 µg/m³, 0.4× usualKutno, 3 January: 11.2 µg/m³, 0.5× usualKutno, 4 January: 12.2 µg/m³, 0.5× usualKutno, 5 January: 45.0 µg/m³, 2.0× usualKutno, 6 January: 101.0 µg/m³, 4.5× usualKutno, 7 January: no readingKutno, 8 January: no readingKutno, 9 January: no readingLegionowoLegionowo, 2 January: 7.7 µg/m³, 0.4× usualLegionowo, 3 January: 7.3 µg/m³, 0.4× usualLegionowo, 4 January: 7.8 µg/m³, 0.4× usualLegionowo, 5 January: 43.8 µg/m³, 2.2× usualLegionowo, 6 January: 68.8 µg/m³, 3.4× usualLegionowo, 7 January: no readingLegionowo, 8 January: no readingLegionowo, 9 January: 17.7 µg/m³, 0.9× usualKaliszKalisz, 2 January: 8.4 µg/m³, 0.4× usualKalisz, 3 January: 8.9 µg/m³, 0.4× usualKalisz, 4 January: 11.0 µg/m³, 0.5× usualKalisz, 5 January: 42.1 µg/m³, 2.1× usualKalisz, 6 January: 112.0 µg/m³, 5.5× usualKalisz, 7 January: no readingKalisz, 8 January: no readingKalisz, 9 January: 56.2 µg/m³, 2.8× usualJelenia GóraJelenia Góra, 2 January: 5.4 µg/m³, 0.3× usualJelenia Góra, 3 January: 6.5 µg/m³, 0.4× usualJelenia Góra, 4 January: 8.0 µg/m³, 0.5× usualJelenia Góra, 5 January: 40.0 µg/m³, 2.4× usualJelenia Góra, 6 January: 64.6 µg/m³, 3.9× usualJelenia Góra, 7 January: no readingJelenia Góra, 8 January: no readingJelenia Góra, 9 January: 50.8 µg/m³, 3.1× usualKędzierzyn-KoźleKędzierzyn-Koźle, 2 January: 4.7 µg/m³, 0.3× usualKędzierzyn-Koźle, 3 January: 5.1 µg/m³, 0.3× usualKędzierzyn-Koźle, 4 January: 7.1 µg/m³, 0.4× usualKędzierzyn-Koźle, 5 January: 38.4 µg/m³, 2.1× usualKędzierzyn-Koźle, 6 January: 42.7 µg/m³, 2.3× usualKędzierzyn-Koźle, 7 January: no readingKędzierzyn-Koźle, 8 January: no readingKędzierzyn-Koźle, 9 January: 68.2 µg/m³, 3.7× usualGorzów WielkopolskiGorzów Wielkopolski, 2 January: 7.3 µg/m³, 0.5× usualGorzów Wielkopolski, 3 January: 8.6 µg/m³, 0.6× usualGorzów Wielkopolski, 4 January: 14.7 µg/m³, 1.0× usualGorzów Wielkopolski, 5 January: 31.4 µg/m³, 2.1× usualGorzów Wielkopolski, 6 January: 54.7 µg/m³, 3.6× usualGorzów Wielkopolski, 7 January: no readingGorzów Wielkopolski, 8 January: no readingGorzów Wielkopolski, 9 January: 47.3 µg/m³, 3.2× usualSuwałkiSuwałki, 2 January: 10.6 µg/m³, 0.8× usualSuwałki, 3 January: 10.7 µg/m³, 0.8× usualSuwałki, 4 January: 12.1 µg/m³, 0.9× usualSuwałki, 5 January: 31.2 µg/m³, 2.4× usualSuwałki, 6 January: 25.4 µg/m³, 2.0× usualSuwałki, 7 January: no readingSuwałki, 8 January: no readingSuwałki, 9 January: 5.3 µg/m³, 0.4× usualIngolstadtIngolstadt, 2 January: 4.3 µg/m³, 0.3× usualIngolstadt, 3 January: 5.3 µg/m³, 0.4× usualIngolstadt, 4 January: 10.6 µg/m³, 0.8× usualIngolstadt, 5 January: 28.9 µg/m³, 2.2× usualIngolstadt, 6 January: 30.4 µg/m³, 2.3× usualIngolstadt, 7 January: no readingIngolstadt, 8 January: no readingIngolstadt, 9 January: 6.4 µg/m³, 0.5× usualMontbéliardMontbéliard, 2 January: 5.8 µg/m³, 0.4× usualMontbéliard, 3 January: 7.1 µg/m³, 0.5× usualMontbéliard, 4 January: 10.4 µg/m³, 0.7× usualMontbéliard, 5 January: 28.0 µg/m³, 2.0× usualMontbéliard, 6 January: 31.1 µg/m³, 2.2× usualMontbéliard, 7 January: no readingMontbéliard, 8 January: no readingMontbéliard, 9 January: no readingŁaskŁask, 2 January: 10.2 µg/m³, 0.4× usualŁask, 3 January: 14.3 µg/m³, 0.6× usualŁask, 4 January: 12.4 µg/m³, 0.5× usualŁask, 5 January: 44.6 µg/m³, 1.9× usualŁask, 6 January: 135.0 µg/m³, 5.7× usualŁask, 7 January: no readingŁask, 8 January: no readingŁask, 9 January: 44.6 µg/m³, 1.9× usualZgierzZgierz, 2 January: 17.8 µg/m³, 0.6× usualZgierz, 3 January: 16.9 µg/m³, 0.6× usualZgierz, 4 January: 19.9 µg/m³, 0.7× usualZgierz, 5 January: 51.1 µg/m³, 1.8× usualZgierz, 6 January: 119.0 µg/m³, 4.1× usualZgierz, 7 January: no readingZgierz, 8 January: no readingZgierz, 9 January: 46.3 µg/m³, 1.6× usualWłocławekWłocławek, 2 January: 8.7 µg/m³, 0.4× usualWłocławek, 3 January: 9.6 µg/m³, 0.4× usualWłocławek, 4 January: 14.0 µg/m³, 0.6× usualWłocławek, 5 January: 39.6 µg/m³, 1.7× usualWłocławek, 6 January: 102.0 µg/m³, 4.4× usualWłocławek, 7 January: no readingWłocławek, 8 January: no readingWłocławek, 9 January: 28.6 µg/m³, 1.2× usualŻyrardówŻyrardów, 2 January: no readingŻyrardów, 3 January: 7.3 µg/m³, 0.4× usualŻyrardów, 4 January: no readingŻyrardów, 5 January: no readingŻyrardów, 6 January: 97.1 µg/m³, 4.7× usualŻyrardów, 7 January: no readingŻyrardów, 8 January: no readingŻyrardów, 9 January: no readingCiechanówCiechanów, 2 January: 7.7 µg/m³, 0.4× usualCiechanów, 3 January: 8.0 µg/m³, 0.4× usualCiechanów, 4 January: 8.2 µg/m³, 0.4× usualCiechanów, 5 January: 39.5 µg/m³, 1.9× usualCiechanów, 6 January: 83.8 µg/m³, 4.1× usualCiechanów, 7 January: no readingCiechanów, 8 January: no readingCiechanów, 9 January: 16.9 µg/m³, 0.8× usualWawerWawer, 2 January: 7.2 µg/m³, 0.4× usualWawer, 3 January: 4.6 µg/m³, 0.2× usualWawer, 4 January: 5.9 µg/m³, 0.3× usualWawer, 5 January: 22.8 µg/m³, 1.2× usualWawer, 6 January: 76.9 µg/m³, 4.0× usualWawer, 7 January: no readingWawer, 8 January: no readingWawer, 9 January: 14.2 µg/m³, 0.7× usualPruszkówPruszków, 2 January: 9.1 µg/m³, 0.5× usualPruszków, 3 January: 8.7 µg/m³, 0.4× usualPruszków, 4 January: 10.6 µg/m³, 0.5× usualPruszków, 5 January: 28.2 µg/m³, 1.4× usualPruszków, 6 January: 74.0 µg/m³, 3.7× usualPruszków, 7 January: no readingPruszków, 8 January: no readingPruszków, 9 January: 24.4 µg/m³, 1.2× usualKonstancin-JeziornaKonstancin-Jeziorna, 2 January: 7.9 µg/m³, 0.4× usualKonstancin-Jeziorna, 3 January: 7.2 µg/m³, 0.4× usualKonstancin-Jeziorna, 4 January: 8.5 µg/m³, 0.5× usualKonstancin-Jeziorna, 5 January: 29.9 µg/m³, 1.6× usualKonstancin-Jeziorna, 6 January: 72.3 µg/m³, 4.0× usualKonstancin-Jeziorna, 7 January: no readingKonstancin-Jeziorna, 8 January: no readingKonstancin-Jeziorna, 9 January: 21.1 µg/m³, 1.2× usualToruńToruń, 2 January: 7.3 µg/m³, 0.4× usualToruń, 3 January: 8.7 µg/m³, 0.5× usualToruń, 4 January: 9.7 µg/m³, 0.5× usualToruń, 5 January: 34.4 µg/m³, 1.8× usualToruń, 6 January: 72.1 µg/m³, 3.8× usualToruń, 7 January: no readingToruń, 8 January: no readingToruń, 9 January: 29.8 µg/m³, 1.6× usualPoznańPoznań, 2 January: 6.5 µg/m³, 0.4× usualPoznań, 3 January: 7.6 µg/m³, 0.4× usualPoznań, 4 January: 10.0 µg/m³, 0.5× usualPoznań, 5 January: 26.7 µg/m³, 1.5× usualPoznań, 6 January: 71.3 µg/m³, 3.9× usualPoznań, 7 January: no readingPoznań, 8 January: no readingPoznań, 9 January: 39.7 µg/m³, 2.2× usualWarsawWarsaw, 2 January: 7.4 µg/m³, 0.4× usualWarsaw, 3 January: 7.0 µg/m³, 0.4× usualWarsaw, 4 January: 8.0 µg/m³, 0.4× usualWarsaw, 5 January: 24.9 µg/m³, 1.3× usualWarsaw, 6 January: 70.8 µg/m³, 3.8× usualWarsaw, 7 January: no readingWarsaw, 8 January: no readingWarsaw, 9 January: 19.6 µg/m³, 1.1× usualOpoleOpole, 2 January: 4.3 µg/m³, 0.2× usualOpole, 3 January: 7.7 µg/m³, 0.3× usualOpole, 4 January: 9.3 µg/m³, 0.4× usualOpole, 5 January: 43.7 µg/m³, 2.0× usualOpole, 6 January: 70.0 µg/m³, 3.2× usualOpole, 7 January: no readingOpole, 8 January: no readingOpole, 9 January: 85.8 µg/m³, 3.9× usualJastrzębie ZdrójJastrzębie Zdrój, 2 January: 7.6 µg/m³, 0.3× usualJastrzębie Zdrój, 3 January: 7.8 µg/m³, 0.3× usualJastrzębie Zdrój, 4 January: 10.3 µg/m³, 0.4× usualJastrzębie Zdrój, 5 January: 48.7 µg/m³, 1.9× usualJastrzębie Zdrój, 6 January: 69.5 µg/m³, 2.7× usualJastrzębie Zdrój, 7 January: no readingJastrzębie Zdrój, 8 January: no readingJastrzębie Zdrój, 9 January: 50.5 µg/m³, 2.0× usualBydgoszczBydgoszcz, 2 January: 5.0 µg/m³, 0.3× usualBydgoszcz, 3 January: 4.8 µg/m³, 0.3× usualBydgoszcz, 4 January: 5.5 µg/m³, 0.4× usualBydgoszcz, 5 January: 21.6 µg/m³, 1.5× usualBydgoszcz, 6 January: 67.1 µg/m³, 4.6× usualBydgoszcz, 7 January: no readingBydgoszcz, 8 January: no readingBydgoszcz, 9 January: 19.9 µg/m³, 1.4× usualElblągElbląg, 2 January: 6.6 µg/m³, 0.4× usualElbląg, 3 January: 7.0 µg/m³, 0.5× usualElbląg, 4 January: 7.9 µg/m³, 0.5× usualElbląg, 5 January: 23.0 µg/m³, 1.5× usualElbląg, 6 January: 66.1 µg/m³, 4.3× usualElbląg, 7 January: no readingElbląg, 8 January: no readingElbląg, 9 January: 19.2 µg/m³, 1.3× usualPłockPłock, 2 January: 6.8 µg/m³, 0.4× usualPłock, 3 January: 7.2 µg/m³, 0.4× usualPłock, 4 January: 7.8 µg/m³, 0.4× usualPłock, 5 January: 25.3 µg/m³, 1.4× usualPłock, 6 January: 63.6 µg/m³, 3.6× usualPłock, 7 January: no readingPłock, 8 January: no readingPłock, 9 January: 27.2 µg/m³, 1.5× usualKielceKielce, 2 January: 7.2 µg/m³, 0.4× usualKielce, 3 January: 6.9 µg/m³, 0.4× usualKielce, 4 January: 11.0 µg/m³, 0.6× usualKielce, 5 January: 27.7 µg/m³, 1.4× usualKielce, 6 January: 62.6 µg/m³, 3.2× usualKielce, 7 January: no readingKielce, 8 January: no readingKielce, 9 January: 32.9 µg/m³, 1.7× usualCzechowice-DziedziceCzechowice-Dziedzice, 2 January: 4.9 µg/m³, 0.3× usualCzechowice-Dziedzice, 3 January: 5.4 µg/m³, 0.3× usualCzechowice-Dziedzice, 4 January: 7.2 µg/m³, 0.4× usualCzechowice-Dziedzice, 5 January: 28.4 µg/m³, 1.4× usualCzechowice-Dziedzice, 6 January: 61.9 µg/m³, 3.2× usualCzechowice-Dziedzice, 7 January: no readingCzechowice-Dziedzice, 8 January: no readingCzechowice-Dziedzice, 9 January: 40.8 µg/m³, 2.1× usualŁódźŁódź, 2 January: 9.8 µg/m³, 0.5× usualŁódź, 3 January: 9.4 µg/m³, 0.5× usualŁódź, 4 January: 10.9 µg/m³, 0.6× usualŁódź, 5 January: 29.7 µg/m³, 1.6× usualŁódź, 6 January: 56.8 µg/m³, 3.0× usualŁódź, 7 January: no readingŁódź, 8 January: no readingŁódź, 9 January: 31.0 µg/m³, 1.6× usualKrakówKraków, 2 January: 7.3 µg/m³, 0.3× usualKraków, 3 January: 7.0 µg/m³, 0.3× usualKraków, 4 January: 8.0 µg/m³, 0.3× usualKraków, 5 January: 24.5 µg/m³, 0.9× usualKraków, 6 January: 56.4 µg/m³, 2.2× usualKraków, 7 January: no readingKraków, 8 January: no readingKraków, 9 January: 28.4 µg/m³, 1.1× usualNiskoNisko, 2 January: 13.8 µg/m³, 0.7× usualNisko, 3 January: 9.5 µg/m³, 0.5× usualNisko, 4 January: 12.8 µg/m³, 0.7× usualNisko, 5 January: 31.1 µg/m³, 1.6× usualNisko, 6 January: 52.1 µg/m³, 2.7× usualNisko, 7 January: no readingNisko, 8 January: no readingNisko, 9 January: no readingRadomRadom, 2 January: 9.4 µg/m³, 0.4× usualRadom, 3 January: 8.4 µg/m³, 0.4× usualRadom, 4 January: 11.8 µg/m³, 0.5× usualRadom, 5 January: 28.9 µg/m³, 1.3× usualRadom, 6 January: 49.7 µg/m³, 2.3× usualRadom, 7 January: no readingRadom, 8 January: no readingRadom, 9 January: 33.4 µg/m³, 1.6× usualStarachowiceStarachowice, 2 January: 10.6 µg/m³, 0.5× usualStarachowice, 3 January: 9.0 µg/m³, 0.4× usualStarachowice, 4 January: 12.6 µg/m³, 0.6× usualStarachowice, 5 January: 27.3 µg/m³, 1.3× usualStarachowice, 6 January: 48.1 µg/m³, 2.2× usualStarachowice, 7 January: no readingStarachowice, 8 January: no readingStarachowice, 9 January: 34.4 µg/m³, 1.6× usualKatowiceKatowice, 2 January: 6.4 µg/m³, 0.3× usualKatowice, 3 January: 6.4 µg/m³, 0.3× usualKatowice, 4 January: 8.1 µg/m³, 0.3× usualKatowice, 5 January: 23.8 µg/m³, 1.0× usualKatowice, 6 January: 47.7 µg/m³, 2.0× usualKatowice, 7 January: no readingKatowice, 8 January: no readingKatowice, 9 January: 40.0 µg/m³, 1.7× usualRzeszówRzeszów, 2 January: 13.9 µg/m³, 0.7× usualRzeszów, 3 January: 11.5 µg/m³, 0.6× usualRzeszów, 4 January: 16.9 µg/m³, 0.9× usualRzeszów, 5 January: 34.3 µg/m³, 1.7× usualRzeszów, 6 January: 45.5 µg/m³, 2.3× usualRzeszów, 7 January: no readingRzeszów, 8 January: no readingRzeszów, 9 January: 43.0 µg/m³, 2.2× usualTarnówTarnów, 2 January: 6.9 µg/m³, 0.4× usualTarnów, 3 January: 9.3 µg/m³, 0.5× usualTarnów, 4 January: 11.9 µg/m³, 0.7× usualTarnów, 5 January: 27.9 µg/m³, 1.6× usualTarnów, 6 January: 44.5 µg/m³, 2.6× usualTarnów, 7 January: no readingTarnów, 8 January: no readingTarnów, 9 January: 68.3 µg/m³, 4.0× usualWrocławWrocław, 2 January: 8.7 µg/m³, 0.5× usualWrocław, 3 January: 9.2 µg/m³, 0.5× usualWrocław, 4 January: 10.6 µg/m³, 0.6× usualWrocław, 5 January: 30.1 µg/m³, 1.6× usualWrocław, 6 January: 42.1 µg/m³, 2.3× usualWrocław, 7 January: no readingWrocław, 8 January: no readingWrocław, 9 January: 74.0 µg/m³, 4.0× usualAugustówAugustów, 2 January: 18.6 µg/m³, 0.9× usualAugustów, 3 January: 19.6 µg/m³, 0.9× usualAugustów, 4 January: 24.8 µg/m³, 1.2× usualAugustów, 5 January: 38.4 µg/m³, 1.8× usualAugustów, 6 January: 41.9 µg/m³, 2.0× usualAugustów, 7 January: no readingAugustów, 8 January: no readingAugustów, 9 January: 8.3 µg/m³, 0.4× usualKościerzynaKościerzyna, 2 January: 5.4 µg/m³, 0.5× usualKościerzyna, 3 January: 6.8 µg/m³, 0.6× usualKościerzyna, 4 January: 10.0 µg/m³, 0.8× usualKościerzyna, 5 January: 15.2 µg/m³, 1.3× usualKościerzyna, 6 January: 38.4 µg/m³, 3.2× usualKościerzyna, 7 January: no readingKościerzyna, 8 January: no readingKościerzyna, 9 January: 24.3 µg/m³, 2.0× usualJarosławJarosław, 2 January: 12.0 µg/m³, 0.6× usualJarosław, 3 January: 12.0 µg/m³, 0.6× usualJarosław, 4 January: 11.9 µg/m³, 0.6× usualJarosław, 5 January: 22.3 µg/m³, 1.2× usualJarosław, 6 January: 38.0 µg/m³, 2.0× usualJarosław, 7 January: no readingJarosław, 8 January: no readingJarosław, 9 January: 32.8 µg/m³, 1.8× usualPassauPassau, 2 January: 11.0 µg/m³, 0.8× usualPassau, 3 January: 12.7 µg/m³, 0.9× usualPassau, 4 January: 12.6 µg/m³, 0.9× usualPassau, 5 January: 23.7 µg/m³, 1.6× usualPassau, 6 January: 36.5 µg/m³, 2.5× usualPassau, 7 January: no readingPassau, 8 January: no readingPassau, 9 January: 24.6 µg/m³, 1.7× usualGdańskGdańsk, 2 January: 5.5 µg/m³, 0.5× usualGdańsk, 3 January: 5.0 µg/m³, 0.4× usualGdańsk, 4 January: 6.7 µg/m³, 0.6× usualGdańsk, 5 January: 16.1 µg/m³, 1.4× usualGdańsk, 6 January: 35.9 µg/m³, 3.1× usualGdańsk, 7 January: no readingGdańsk, 8 January: no readingGdańsk, 9 January: 11.4 µg/m³, 1.0× usualSpeyerSpeyer, 2 January: 7.7 µg/m³, 0.7× usualSpeyer, 3 January: 9.2 µg/m³, 0.8× usualSpeyer, 4 January: 9.1 µg/m³, 0.8× usualSpeyer, 5 January: 21.2 µg/m³, 1.8× usualSpeyer, 6 January: 34.3 µg/m³, 3.0× usualSpeyer, 7 January: no readingSpeyer, 8 January: no readingSpeyer, 9 January: no readingGdyniaGdynia, 2 January: no readingGdynia, 3 January: 7.0 µg/m³, 0.6× usualGdynia, 4 January: 8.4 µg/m³, 0.7× usualGdynia, 5 January: 18.8 µg/m³, 1.5× usualGdynia, 6 January: 31.4 µg/m³, 2.5× usualGdynia, 7 January: no readingGdynia, 8 January: no readingGdynia, 9 January: no readingLudwigshafen am Rhe…Ludwigshafen am Rhein, 2 January: 4.5 µg/m³, 0.4× usualLudwigshafen am Rhein, 3 January: 8.1 µg/m³, 0.7× usualLudwigshafen am Rhein, 4 January: 8.6 µg/m³, 0.8× usualLudwigshafen am Rhein, 5 January: 16.7 µg/m³, 1.5× usualLudwigshafen am Rhein, 6 January: 29.3 µg/m³, 2.7× usualLudwigshafen am Rhein, 7 January: no readingLudwigshafen am Rhein, 8 January: no readingLudwigshafen am Rhein, 9 January: 3.1 µg/m³, 0.3× usualWormsWorms, 2 January: 5.5 µg/m³, 0.4× usualWorms, 3 January: 10.5 µg/m³, 0.8× usualWorms, 4 January: 9.6 µg/m³, 0.7× usualWorms, 5 January: 18.1 µg/m³, 1.4× usualWorms, 6 January: 28.5 µg/m³, 2.2× usualWorms, 7 January: no readingWorms, 8 January: no readingWorms, 9 January: 3.5 µg/m³, 0.3× usualLauda-KönigshofenLauda-Königshofen, 2 January: 4.0 µg/m³, 0.4× usualLauda-Königshofen, 3 January: 7.0 µg/m³, 0.7× usualLauda-Königshofen, 4 January: 8.9 µg/m³, 0.8× usualLauda-Königshofen, 5 January: 15.0 µg/m³, 1.4× usualLauda-Königshofen, 6 January: 27.9 µg/m³, 2.7× usualLauda-Königshofen, 7 January: no readingLauda-Königshofen, 8 January: no readingLauda-Königshofen, 9 January: 7.0 µg/m³, 0.7× usualOlpeOlpe, 2 January: 2.2 µg/m³, 0.2× usualOlpe, 3 January: 8.2 µg/m³, 0.7× usualOlpe, 4 January: 8.0 µg/m³, 0.6× usualOlpe, 5 January: 16.4 µg/m³, 1.3× usualOlpe, 6 January: 27.4 µg/m³, 2.2× usualOlpe, 7 January: 9.8 µg/m³, 0.8× usualOlpe, 8 January: 9.7 µg/m³, 0.8× usualOlpe, 9 January: 0.7 µg/m³, 0.1× usualMannheimMannheim, 2 January: 8.3 µg/m³, 0.7× usualMannheim, 3 January: 10.4 µg/m³, 0.9× usualMannheim, 4 January: 11.2 µg/m³, 0.9× usualMannheim, 5 January: 16.7 µg/m³, 1.4× usualMannheim, 6 January: 27.3 µg/m³, 2.3× usualMannheim, 7 January: no readingMannheim, 8 January: no readingMannheim, 9 January: 3.8 µg/m³, 0.3× usualEłkEłk, 2 January: 8.5 µg/m³, 0.6× usualEłk, 3 January: 8.8 µg/m³, 0.7× usualEłk, 4 January: 8.8 µg/m³, 0.7× usualEłk, 5 January: 26.5 µg/m³, 2.0× usualEłk, 6 January: 27.1 µg/m³, 2.0× usualEłk, 7 January: no readingEłk, 8 January: no readingEłk, 9 January: 6.4 µg/m³, 0.5× usualHeidelbergHeidelberg, 2 January: 6.2 µg/m³, 0.7× usualHeidelberg, 3 January: 8.4 µg/m³, 0.9× usualHeidelberg, 4 January: 9.3 µg/m³, 1.0× usualHeidelberg, 5 January: 15.6 µg/m³, 1.7× usualHeidelberg, 6 January: 26.3 µg/m³, 2.9× usualHeidelberg, 7 January: no readingHeidelberg, 8 January: no readingHeidelberg, 9 January: no readingBensheimBensheim, 2 January: 5.6 µg/m³, 0.5× usualBensheim, 3 January: 9.1 µg/m³, 0.8× usualBensheim, 4 January: 11.0 µg/m³, 1.0× usualBensheim, 5 January: 17.2 µg/m³, 1.6× usualBensheim, 6 January: 26.1 µg/m³, 2.4× usualBensheim, 7 January: no readingBensheim, 8 January: no readingBensheim, 9 January: 1.9 µg/m³, 0.2× usualŻaryŻary, 2 January: 13.6 µg/m³, 1.2× usualŻary, 3 January: 7.2 µg/m³, 0.6× usualŻary, 4 January: 7.7 µg/m³, 0.7× usualŻary, 5 January: 16.2 µg/m³, 1.4× usualŻary, 6 January: 25.8 µg/m³, 2.2× usualŻary, 7 January: no readingŻary, 8 January: no readingŻary, 9 January: 62.7 µg/m³, 5.4× usualAlbertvilleAlbertville, 2 January: 18.9 µg/m³, 1.7× usualAlbertville, 3 January: 18.0 µg/m³, 1.6× usualAlbertville, 4 January: 13.0 µg/m³, 1.2× usualAlbertville, 5 January: 19.5 µg/m³, 1.7× usualAlbertville, 6 January: 25.2 µg/m³, 2.3× usualAlbertville, 7 January: no readingAlbertville, 8 January: no readingAlbertville, 9 January: no readingLampertheimLampertheim, 2 January: 5.5 µg/m³, 0.5× usualLampertheim, 3 January: 8.4 µg/m³, 0.7× usualLampertheim, 4 January: 8.7 µg/m³, 0.8× usualLampertheim, 5 January: 16.0 µg/m³, 1.4× usualLampertheim, 6 January: 25.1 µg/m³, 2.2× usualLampertheim, 7 January: no readingLampertheim, 8 January: no readingLampertheim, 9 January: no readingWieslochWiesloch, 2 January: 7.3 µg/m³, 0.8× usualWiesloch, 3 January: 7.7 µg/m³, 0.8× usualWiesloch, 4 January: 9.9 µg/m³, 1.0× usualWiesloch, 5 January: 17.8 µg/m³, 1.9× usualWiesloch, 6 January: 25.0 µg/m³, 2.6× usualWiesloch, 7 January: no readingWiesloch, 8 January: no readingWiesloch, 9 January: 3.9 µg/m³, 0.4× usual2 Jan3456789
Every counted city, in the order the episode reached them, 3 days before to 3 after. Each square is a day, coloured by that day's PM2.5; outlined: at twice the city's usual or more.
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

Every city it reached

CityDaysHighestUsualAbove usual
KłodzkoLower Silesia, Poland2 152.09 January21.67.0×
ŁaskŁódź Voivodeship, Poland1 135.06 January23.75.7×
RadomskoŁódź Voivodeship, Poland2 126.06 January22.55.6×
KaliszGreater Poland, Poland2 112.06 January20.45.5×
ŻaryLubusz, Poland1 62.79 January11.75.4×
ŻyrardówMazovia, Poland1 97.16 January20.84.7×
BydgoszczKujawsko-Pomorskie, Poland1 67.16 January14.64.6×
KutnoŁódź Voivodeship, Poland2 101.06 January22.24.5×
WłocławekKujawsko-Pomorskie, Poland1 102.06 January23.24.4×
ElblągWarmia-Masuria, Poland1 66.16 January15.24.3×
CiechanówMazovia, Poland1 83.86 January20.34.1×
ZgierzŁódź Voivodeship, Poland1 119.06 January29.24.1×
TarnówLesser Poland, Poland1 68.39 January17.04.0×
WawerMazovia, Poland1 76.96 January19.24.0×
WrocławLower Silesia, Poland1 74.09 January18.74.0×
Konstancin-JeziornaMazovia, Poland1 72.36 January18.34.0×
PoznańGreater Poland, Poland1 71.36 January18.23.9×
Jelenia GóraLower Silesia, Poland2 64.66 January16.63.9×
OpoleOpole Voivodeship, Poland1 85.89 January22.13.9×
ToruńKujawsko-Pomorskie, Poland1 72.16 January18.93.8×
WarsawMazovia, Poland1 70.86 January18.63.8×
PruszkówMazovia, Poland1 74.06 January19.93.7×
Kędzierzyn-KoźleOpole Voivodeship, Poland2 68.29 January18.53.7×
Gorzów WielkopolskiLubusz, Poland2 54.76 January15.03.6×
PłockMazovia, Poland1 63.66 January17.83.6×
LegionowoMazovia, Poland2 68.86 January20.03.4×
OtwockMazovia, Poland2 82.86 January25.43.3×
KościerzynaPomerania, Poland1 38.46 January11.93.2×
KielceŚwiętokrzyskie, Poland1 62.66 January19.63.2×
Czechowice-DziedziceSilesia, Poland1 61.96 January19.63.2×
GdańskPomerania, Poland1 35.96 January11.73.1×
ŁódźŁódź Voivodeship, Poland1 56.86 January18.83.0×
SpeyerRheinland-Pfalz, Germany1 34.36 January11.63.0×
HeidelbergBaden-Wurttemberg, Germany1 26.36 January9.22.9×
Jastrzębie ZdrójSilesia, Poland1 69.56 January25.52.7×
NiskoSubcarpathia, Poland1 52.16 January19.52.7×
Ludwigshafen am RheinRheinland-Pfalz, Germany1 29.36 January11.02.7×
Lauda-KönigshofenBaden-Wurttemberg, Germany1 27.96 January10.52.7×
ŻywiecSilesia, Poland2 91.69 January34.52.7×
WieslochBaden-Wurttemberg, Germany1 25.06 January9.62.6×
PassauBavaria, Germany1 36.56 January14.42.5×
GdyniaPomerania, Poland1 31.46 January12.52.5×
SuwałkiPodlasie, Poland1 31.25 January12.92.4×
BensheimHesse, Germany1 26.16 January10.82.4×
RadomMazovia, Poland1 49.76 January21.52.3×
RzeszówSubcarpathia, Poland1 45.56 January19.82.3×
MannheimBaden-Wurttemberg, Germany1 27.36 January11.92.3×
IngolstadtBavaria, Germany1 30.46 January13.32.3×
AlbertvilleAuvergne-Rhône-Alpes, France1 25.26 January11.22.3×
StarachowiceŚwiętokrzyskie, Poland1 48.16 January21.42.2×
OlpeNorth Rhine-Westphalia, Germany1 27.46 January12.42.2×
MontbéliardBourgogne-Franche-Comté, France1 31.16 January14.12.2×
KrakówLesser Poland, Poland1 56.46 January25.82.2×
LampertheimHesse, Germany1 25.16 January11.52.2×
WormsRheinland-Pfalz, Germany1 28.56 January13.12.2×
JarosławSubcarpathia, Poland1 38.06 January18.62.0×
KatowiceSilesia, Poland1 47.76 January23.52.0×
AugustówPodlasie, Poland1 41.96 January20.82.0×
EłkWarmia-Masuria, Poland1 27.16 January13.52.0×

Daily means in µg/m³. Usual: the city's median for this time of year (its days within 21 days of the date, every year, leaving out the week around it). Above usual: its highest day against that.

Against other episodes in Poland and Germany

Number 18 of 42 episodes in Poland and Germany since our records began, by cities reached.

Bars: cities reached; colour: the level of the episode's highest daily reading. All 42.

Use this page

SmogRank, Poland and Germany, January 2026: 59 cities with PM2.5 at twice their usual or more, 5 to 6 January 2026, smogrank.com/episodes/2026-01-poland-and-germany (accessed 2 October 2026).

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You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.

An episode is a run of days when many cities close to each other (four or more within 350 km on a day, 8 or more in all) each had a daily PM2.5 mean of at least 25 µg/m³ and at least 2 times their usual for that time of year. Found in our own measurements, not picked by hand. How we find episodes. Values are each city's daily mean of its own monitors; causes are the usual kinds for a pattern like this, not a confirmed source.