SmogRank / History / week of February 27, 2023

Most polluted cities, week of February 27, 2023

1,188 cities ranked by their average PM2.5 over the 7 days; the worst was Radomsko, Poland, at 67.6 µg/m³. A city needs measurements on 70% of the days to be ranked.

OpenAQ's archive, where our readings come from, has almost none for 7 of these 7 days. Cities in the United States and Europe have them from the EPA's and the European Environment Agency's own records of the same monitors; many cities elsewhere are missing from this board, not clean. Why.

← Radomsko 67.6 µg/m³ 60 µg/m³0
Every city ranked for week of February 27, 2023, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1RadomskoŁódź Voivodeship, Poland
    159
  2. 2Banja LukaSrpska, Bosnia and Herzegovina
    139
  3. 3KościanGreater Poland, Poland
    134
  4. 4KłodzkoLower Silesia, Poland
    134
  5. 5RzeszówSubcarpathia, Poland
    131
  6. 6ŁaskŁódź Voivodeship, Poland
    131
  7. 7DębicaSubcarpathia, Poland
    124
  8. 8RacibórzSilesia, Poland
    122
  9. 9BihaćFederation of B&H, Bosnia and Herzegovina
    120
  10. 10KaliszGreater Poland, Poland
    119
  11. 11StarachowiceŚwiętokrzyskie, Poland
    112
  12. 12TarnówLesser Poland, Poland
    112
  13. 13Frýdek-MístekMoravian-Silesian Region, Czechia
    111
  14. 14GevgelijaGevgelija, North Macedonia
    110
  15. 15BohumínMoravian-Silesian Region, Czechia
    110
  16. 16MielecSubcarpathia, Poland
    109
  17. 16Jastrzębie ZdrójSilesia, Poland
    109
  18. 18OtwockMazovia, Poland
    107
  19. 18Bielsko-BialaSilesia, Poland
    107
  20. 20WłocławekKujawsko-Pomorskie, Poland
    107
  21. 21Valašské MeziříčíZlín, Czechia
    106
  22. 22KutnoŁódź Voivodeship, Poland
    103
  23. 23KrakówLesser Poland, Poland
    103
  24. 24RadomMazovia, Poland
    102
  25. 25OstravaMoravian-Silesian Region, Czechia
    102
  26. 26Novo MestoUrban Municipality of Novo Mesto, Slovenia
    102
  27. 27JarosławSubcarpathia, Poland
    101
  28. 27KoprivnicaKoprivnica-Križevci, Croatia
    101
  29. 29LublinLublin, Poland
    100
  30. 30NysaOpole Voivodeship, Poland
    100
  31. 30KatowiceSilesia, Poland
    100
  32. 32Český TěšínMoravian-Silesian Region, Czechia
    99
  33. 33SallanchesAuvergne-Rhône-Alpes, France
    99
  34. 34WawerMazovia, Poland
    98
  35. 35MeylanAuvergne-Rhône-Alpes, France
    98
  36. 36HavířovMoravian-Silesian Region, Czechia
    97
  37. 37ZamośćLublin, Poland
    97
  38. 38TřinecMoravian-Silesian Region, Czechia
    96
  39. 39ŻyrardówMazovia, Poland
    95
  40. 39KarvináMoravian-Silesian Region, Czechia
    95
  41. 41AlbertvilleAuvergne-Rhône-Alpes, France
    94
  42. 42TetovoTetovo, North Macedonia
    93
  43. 42GrenobleAuvergne-Rhône-Alpes, France
    93
  44. 44KielceŚwiętokrzyskie, Poland
    93
  45. 45Romans-sur-IsèreAuvergne-Rhône-Alpes, France
    92
  46. 46JasłoSubcarpathia, Poland
    92
  47. 46AugustówPodlasie, Poland
    92
  48. 48LegionowoMazovia, Poland
    91
  49. 49Spišská Nová VesKošice Region, Slovakia
    91
  50. 49KrosnoSubcarpathia, Poland
    91
  51. 49KranjUrban Municipality of Kranj, Slovenia
    91
  52. 52ChambéryAuvergne-Rhône-Alpes, France
    91
  53. 52Bourg-en-BresseAuvergne-Rhône-Alpes, France
    91
  54. 54GostivarGostivar, North Macedonia
    91
  55. 54ZlínZlín, Czechia
    91
  56. 56OpavaMoravian-Silesian Region, Czechia
    90
  57. 57AnnemasseAuvergne-Rhône-Alpes, France
    90
  58. 58StrumicaStrumica, North Macedonia
    90
  59. 59BordeauxNew Aquitaine, France
    89
  60. 60NiskoSubcarpathia, Poland
    89
  61. 61WrocławLower Silesia, Poland
    89
  62. 62PruszkówMazovia, Poland
    88
  63. 63MontluçonAuvergne-Rhône-Alpes, France
    88
  64. 64PrilepPrilep, North Macedonia
    87
  65. 64PřerovOlomouc Region, Czechia
    87
  66. 66ValenceAuvergne-Rhône-Alpes, France
    87
  67. 66MeyzieuAuvergne-Rhône-Alpes, France
    87
  68. 66AngoulêmeNew Aquitaine, France
    87
  69. 66ŽilinaŽilina Region, Slovakia
    87
  70. 70Saint-ÉtienneAuvergne-Rhône-Alpes, France
    87
  71. 70HodonínSouth Moravian, Czechia
    87
  72. 72HumennéPrešov Region, Slovakia
    86
  73. 72HraniceOlomouc Region, Czechia
    86
  74. 72Jelenia GóraLower Silesia, Poland
    86
  75. 75MoulinsAuvergne-Rhône-Alpes, France
    86
  76. 75Nakło nad NoteciąKujawsko-Pomorskie, Poland
    86
  77. 77SkopjeGrad Skopje, North Macedonia
    86
  78. 77NiortNew Aquitaine, France
    86
  79. 77ŁódźŁódź Voivodeship, Poland
    86
  80. 80ChâteaurouxCentre-Val de Loire, France
    85
  81. 80KroměřížZlín, Czechia
    85
  82. 82BelgradeCentral Serbia, Serbia
    85
  83. 83AnnecyAuvergne-Rhône-Alpes, France
    85
  84. 84Villefranche-sur-SaôneAuvergne-Rhône-Alpes, France
    85
  85. 84LimogesNew Aquitaine, France
    85
  86. 84ČadcaŽilina Region, Slovakia
    85
  87. 87VesoulBourgogne-Franche-Comté, France
    85
  88. 88PérigueuxNew Aquitaine, France
    84
  89. 88ArlesProvence-Alpes-Côte d'Azur, France
    84
  90. 90Saint-ChamondAuvergne-Rhône-Alpes, France
    84
  91. 91OhridOhrid, North Macedonia
    83
  92. 91Clermont-FerrandAuvergne-Rhône-Alpes, France
    83
  93. 93Popeşti-LeordeniIlfov, Romania
    83
  94. 93Kędzierzyn-KoźleOpole Voivodeship, Poland
    83
  95. 95MarignaneProvence-Alpes-Côte d'Azur, France
    83
  96. 96RužomberokŽilina Region, Slovakia
    83
  97. 97SiedlceMazovia, Poland
    82
  98. 97MontaubanOccitanie, France
    82
  99. 99SenicaTrnava Region, Slovakia
    82
  100. 100VitrollesProvence-Alpes-Côte d'Azur, France
    82
  101. 100La Roche-sur-YonPays de la Loire, France
    82
  102. 100BourgesCentre-Val de Loire, France
    82
  103. 103BufteaIlfov, Romania
    82
  104. 104VoluntariIlfov, Romania
    82
  105. 104La RochelleNew Aquitaine, France
    82
  106. 106LörrachBaden-Wurttemberg, Germany
    81
  107. 107OrléansCentre-Val de Loire, France
    81
  108. 108PrešovPrešov Region, Slovakia
    81
  109. 108GardanneProvence-Alpes-Côte d'Azur, France
    81
  110. 110PrzemyślSubcarpathia, Poland
    81
  111. 110MalackyBratislava Region, Slovakia
    81
  112. 112FriedrichshafenBaden-Wurttemberg, Germany
    80
  113. 112DaxNew Aquitaine, France
    80
  114. 112Aix-en-ProvenceProvence-Alpes-Côte d'Azur, France
    80
  115. 112LjubljanaLjubljana, Slovenia
    80
  116. 116MulhouseGrand Est, France
    80
  117. 117BucharestBucharest, Romania
    80
  118. 117PúchovTrenčín Region, Slovakia
    80
  119. 117LučenecBanská Bystrica Region, Slovakia
    80
  120. 117OpoleOpole Voivodeship, Poland
    80
  121. 117KrapkowiceOpole Voivodeship, Poland
    80
  122. 122ToulouseOccitanie, France
    80
  123. 123ŁukówLublin, Poland
    80
  124. 123Lons-le-SaunierBourgogne-Franche-Comté, France
    80
  125. 123BesançonBourgogne-Franche-Comté, France
    80
  126. 123PtujUrban Municipality of Ptuj, Slovenia
    80
  127. 127WarsawMazovia, Poland
    79
  128. 127PoitiersNew Aquitaine, France
    79
  129. 129AuxerreBourgogne-Franche-Comté, France
    79
  130. 130FreiburgBaden-Wurttemberg, Germany
    79
  131. 130PauNew Aquitaine, France
    79
  132. 130LyonAuvergne-Rhône-Alpes, France
    79
  133. 130OlomoucOlomouc Region, Czechia
    79
  134. 130DěčínÚstí nad Labem Region, Czechia
    79
  135. 130TrbovljeMunicipality of Trbovlje, Slovenia
    79
  136. 136StrasbourgGrand Est, France
    79
  137. 136Salon-de-ProvenceProvence-Alpes-Côte d'Azur, France
    79
  138. 138LindauBavaria, Germany
    79
  139. 138TarbesOccitanie, France
    79
  140. 138MarseilleProvence-Alpes-Côte d'Azur, France
    79
  141. 141BerounCentral Bohemia, Czechia
    78
  142. 141MariglianoCampania, Italy
    78
  143. 143ChaniáCrete, Greece
    78
  144. 143Kempten (Allgäu)Bavaria, Germany
    78
  145. 143MontbéliardBourgogne-Franche-Comté, France
    78
  146. 143LormontNew Aquitaine, France
    78
  147. 143JihlavaVysocina, Czechia
    78
  148. 143LęborkPomerania, Poland
    78
  149. 149KavadarciKavadarci, North Macedonia
    78
  150. 149ÉpinalGrand Est, France
    78
  151. 151CeljeUrban Municipality of Celje, Slovenia
    78
  152. 152Cluj-NapocaCluj County, Romania
    77
  153. 152HernaniBasque Country, Spain
    77
  154. 154AthensAttica, Greece
    77
  155. 154KonstanzBaden-Wurttemberg, Germany
    77
  156. 154ŽideniceSouth Moravian, Czechia
    77
  157. 157Chalon-sur-SaôneBourgogne-Franche-Comté, France
    77
  158. 157AvignonProvence-Alpes-Côte d'Azur, France
    77
  159. 159ReutlingenBaden-Wurttemberg, Germany
    76
  160. 159OlivetCentre-Val de Loire, France
    76
  161. 161PerchtoldsdorfLower Austria, Austria
    76
  162. 162AcharnésAttica, Greece
    76
  163. 162TrebišovKošice Region, Slovakia
    76
  164. 162KošiceKošice Region, Slovakia
    76
  165. 162BailénAndalusia, Spain
    76
  166. 166KlosterneuburgLower Austria, Austria
    76
  167. 166MarmandeNew Aquitaine, France
    76
  168. 166Joué-lès-ToursCentre-Val de Loire, France
    76
  169. 166TrenčínTrenčín Region, Slovakia
    76
  170. 170GjilanGjilan, Kosovo
    76
  171. 170TübingenBaden-Wurttemberg, Germany
    76
  172. 170PardubicePardubice Region, Czechia
    76
  173. 170Hradec KrálovéHradec Králové Region, Czechia
    76
  174. 174MüllheimBaden-Wurttemberg, Germany
    75
  175. 174BrnoSouth Moravian, Czechia
    75
  176. 174SzczecinWest Pomerania, Poland
    75
  177. 177IrákleionCrete, Greece
    75
  178. 177ManosqueProvence-Alpes-Côte d'Azur, France
    75
  179. 177TrnavaTrnava Region, Slovakia
    75
  180. 180SarcellesÎle-de-France, France
    74
  181. 180ZnojmoSouth Moravian, Czechia
    74
  182. 182MelunÎle-de-France, France
    74
  183. 182ÉtampesÎle-de-France, France
    74
  184. 182AngersPays de la Loire, France
    74
  185. 185KorçëKorçë County, Albania
    74
  186. 185LunévilleGrand Est, France
    74
  187. 185České BudějoviceSouth Bohemian Region, Czechia
    74
  188. 188BardejovPrešov Region, Slovakia
    74
  189. 188Saint-DizierGrand Est, France
    74
  190. 190PejëPec, Kosovo
    74
  191. 190ViennaVienna, Austria
    74
  192. 190RodezOccitanie, France
    74
  193. 193Montceau-les-MinesBourgogne-Franche-Comté, France
    73
  194. 193DurangoBasque Country, Spain
    73
  195. 195MunichBavaria, Germany
    73
  196. 195Devínska Nová VesBratislava Region, Slovakia
    73
  197. 195OriaBasque Country, Spain
    73
  198. 195Coconut CreekFlorida, United States
    73
  199. 199MartinŽilina Region, Slovakia
    73
  200. 199Gorzów WielkopolskiLubusz, Poland
    73

Top 200 of 1,188 shown.

Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

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SmogRank, most polluted cities, PM2.5, week of February 27, 2023, smogrank.com/history/2023-W09 (accessed 2 Oct 2026).

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