SmogRank / History / February 10, 2023

Most polluted cities on February 10, 2023

1,182 cities ranked by their average PM2.5 over the day; the worst was Ružomberok, Slovakia, at 117.3 µg/m³. Each city's own local calendar day.

OpenAQ's archive, where our readings come from, has almost none for this day. Cities in the United States and Europe have it 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.

Bad-air episodes during February 10, 2023. All episodes.

← Ružomberok 117.3 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for February 10, 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. 1RužomberokŽilina Region, Slovakia
    1947.8×
  2. 2StrumicaStrumica, North Macedonia
    1897.4×
  3. 3Banja LukaSrpska, Bosnia and Herzegovina
    1856.9×
  4. 4MartinŽilina Region, Slovakia
    1756.0×
  5. 5KavadarciKavadarci, North Macedonia
    1675.3×
  6. 6Joué-lès-ToursCentre-Val de Loire, France
    1675.2×
  7. 7Spišská Nová VesKošice Region, Slovakia
    1675.2×
  8. 8SkopjeGrad Skopje, North Macedonia
    1665.1×
  9. 9CodleaBrașov County, Romania
    1644.9×
  10. 10OrléansCentre-Val de Loire, France
    1634.8×
  11. 11PrilepPrilep, North Macedonia
    1634.8×
  12. 12Novo MestoUrban Municipality of Novo Mesto, Slovenia
    1604.6×
  13. 13IaşiIași County, Romania
    1604.5×
  14. 14PrešovPrešov Region, Slovakia
    1604.5×
  15. 15BitolaBitola, North Macedonia
    1594.4×
  16. 16GostivarGostivar, North Macedonia
    1584.4×
  17. 17Banská BystricaBanská Bystrica Region, Slovakia
    1564.2×
  18. 18TrebišovKošice Region, Slovakia
    1564.2×
  19. 19TetovoTetovo, North Macedonia
    1554.0×
  20. 20GevgelijaGevgelija, North Macedonia
    1544.0×
  21. 21Vranov nad TopľouPrešov Region, Slovakia
    1544.0×
  22. 22HumennéPrešov Region, Slovakia
    1533.9×
  23. 23JasłoSubcarpathia, Poland
    1533.9×
  24. 24ToursCentre-Val de Loire, France
    1523.8×
  25. 24ŽilinaŽilina Region, Slovakia
    1523.8×
  26. 26TrenčínTrenčín Region, Slovakia
    1523.8×
  27. 27KošiceKošice Region, Slovakia
    1523.8×
  28. 28PúchovTrenčín Region, Slovakia
    1513.7×
  29. 28TrbovljeMunicipality of Trbovlje, Slovenia
    1513.7×
  30. 30BardejovPrešov Region, Slovakia
    1503.7×
  31. 31MoulinsAuvergne-Rhône-Alpes, France
    1483.6×
  32. 32Cluj-NapocaCluj County, Romania
    1473.6×
  33. 33BihaćFederation of B&H, Bosnia and Herzegovina
    1463.6×
  34. 34DěčínÚstí nad Labem Region, Czechia
    1453.6×
  35. 35ChâteaurouxCentre-Val de Loire, France
    1443.5×
  36. 36IngolstadtBavaria, Germany
    1443.5×
  37. 37CeljeUrban Municipality of Celje, Slovenia
    1423.5×
  38. 38Liptovský Mikulᚎilina Region, Slovakia
    1423.5×
  39. 39LjubljanaLjubljana, Slovenia
    1423.5×
  40. 40ČadcaŽilina Region, Slovakia
    1413.4×
  41. 41KorçëKorçë County, Albania
    1393.4×
  42. 42OlivetCentre-Val de Loire, France
    1393.4×
  43. 43MontargisCentre-Val de Loire, France
    1383.4×
  44. 44Bourg-en-BresseAuvergne-Rhône-Alpes, France
    1343.2×
  45. 45PtujUrban Municipality of Ptuj, Slovenia
    1333.2×
  46. 46StrasbourgGrand Est, France
    1323.2×
  47. 47LučenecBanská Bystrica Region, Slovakia
    1323.2×
  48. 48Sainte-Geneviève-des-BoisÎle-de-France, France
    1313.2×
  49. 49TroyesGrand Est, France
    1313.2×
  50. 49BerounCentral Bohemia, Czechia
    1313.2×
  51. 51CoulommiersÎle-de-France, France
    1303.2×
  52. 51KrakówLesser Poland, Poland
    1303.2×
  53. 53NurembergBavaria, Germany
    1303.1×
  54. 54Saint-DizierGrand Est, France
    1293.1×
  55. 55SarcellesÎle-de-France, France
    1293.1×
  56. 56BloisCentre-Val de Loire, France
    1283.1×
  57. 57OlomoucOlomouc Region, Czechia
    1273.1×
  58. 58SpeyerRheinland-Pfalz, Germany
    1263.1×
  59. 58BordeauxNew Aquitaine, France
    1263.1×
  60. 60SenecBratislava Region, Slovakia
    1263.0×
  61. 61ZvolenBanská Bystrica Region, Slovakia
    1263.0×
  62. 62BufteaIlfov, Romania
    1253.0×
  63. 63IlindenIlinden, North Macedonia
    1253.0×
  64. 64AnsbachBavaria, Germany
    1243.0×
  65. 65NantesPays de la Loire, France
    1233.0×
  66. 66Bielsko-BialaSilesia, Poland
    1233.0×
  67. 67BourgesCentre-Val de Loire, France
    1233.0×
  68. 67TepliceÚstí nad Labem Region, Czechia
    1233.0×
  69. 69PartizánskeTrenčín Region, Slovakia
    1222.9×
  70. 70BambergBavaria, Germany
    1222.9×
  71. 71WeidenBavaria, Germany
    1212.9×
  72. 71MulhouseGrand Est, France
    1212.9×
  73. 73AngersPays de la Loire, France
    1202.9×
  74. 74VoluntariIlfov, Romania
    1192.9×
  75. 74ZaventemFlanders, Belgium
    1192.9×
  76. 76PilsenPlzeň Region, Czechia
    1192.9×
  77. 77BelgradeCentral Serbia, Serbia
    1182.8×
  78. 77CoburgBavaria, Germany
    1182.8×
  79. 79Ludwigshafen am RheinRheinland-Pfalz, Germany
    1182.8×
  80. 79NiortNew Aquitaine, France
    1182.8×
  81. 81Ústí nad LabemÚstí nad Labem Region, Czechia
    1182.8×
  82. 82WormsRheinland-Pfalz, Germany
    1172.8×
  83. 82TrnavaTrnava Region, Slovakia
    1172.8×
  84. 84MontbéliardBourgogne-Franche-Comté, France
    1172.8×
  85. 85KelheimBavaria, Germany
    1172.8×
  86. 86MeyzieuAuvergne-Rhône-Alpes, France
    1162.8×
  87. 87AntwerpFlanders, Belgium
    1162.8×
  88. 87HaguenauGrand Est, France
    1162.8×
  89. 87CreilHauts-de-France, France
    1162.8×
  90. 90ValenciennesHauts-de-France, France
    1162.8×
  91. 91NeuwiedRheinland-Pfalz, Germany
    1152.7×
  92. 92GenkFlanders, Belgium
    1152.7×
  93. 93TrierRheinland-Pfalz, Germany
    1142.7×
  94. 94Popeşti-LeordeniIlfov, Romania
    1132.7×
  95. 95Romans-sur-IsèreAuvergne-Rhône-Alpes, France
    1122.7×
  96. 95PardubicePardubice Region, Czechia
    1122.7×
  97. 97VenloLimburg, The Netherlands
    1122.7×
  98. 97WillebroekFlanders, Belgium
    1122.7×
  99. 99AarschotFlanders, Belgium
    1122.7×
  100. 99VerdunGrand Est, France
    1122.7×
  101. 101DillingenSaarland, Germany
    1122.7×
  102. 102ForbachGrand Est, France
    1112.6×
  103. 102SenicaTrnava Region, Slovakia
    1112.6×
  104. 102ZlínZlín, Czechia
    1112.6×
  105. 105LunévilleGrand Est, France
    1112.6×
  106. 106MechelenFlanders, Belgium
    1112.6×
  107. 106PoitiersNew Aquitaine, France
    1112.6×
  108. 106HandlováTrenčín Region, Slovakia
    1112.6×
  109. 109SaarbrückenSaarland, Germany
    1102.6×
  110. 110Saint-QuentinHauts-de-France, France
    1102.6×
  111. 111Villefranche-sur-SaôneAuvergne-Rhône-Alpes, France
    1102.6×
  112. 112HouthalenFlanders, Belgium
    1092.6×
  113. 113MelunÎle-de-France, France
    1092.6×
  114. 114KapellenFlanders, Belgium
    1092.6×
  115. 114KranjUrban Municipality of Kranj, Slovenia
    1092.6×
  116. 116MonsWallonia, Belgium
    1082.6×
  117. 116Schwandorf in BayernBavaria, Germany
    1082.6×
  118. 118PřerovOlomouc Region, Czechia
    1082.6×
  119. 119Mladá BoleslavCentral Bohemia, Czechia
    1082.5×
  120. 120Montceau-les-MinesBourgogne-Franche-Comté, France
    1072.5×
  121. 120MalackyBratislava Region, Slovakia
    1072.5×
  122. 122GrimbergenFlanders, Belgium
    1072.5×
  123. 122VesoulBourgogne-Franche-Comté, France
    1072.5×
  124. 124WürzburgBavaria, Germany
    1072.5×
  125. 124BensheimHesse, Germany
    1072.5×
  126. 124HodonínSouth Moravian, Czechia
    1072.5×
  127. 127BeauvaisHauts-de-France, France
    1062.5×
  128. 127PraguePrague, Czechia
    1062.5×
  129. 129Chalon-sur-SaôneBourgogne-Franche-Comté, France
    1062.5×
  130. 130BeverenFlanders, Belgium
    1052.5×
  131. 130BesançonBourgogne-Franche-Comté, France
    1052.5×
  132. 132PassauBavaria, Germany
    1052.5×
  133. 132La Roche-sur-YonPays de la Loire, France
    1052.5×
  134. 132FontainebleauÎle-de-France, France
    1052.5×
  135. 135HeilbronnBaden-Wurttemberg, Germany
    1052.5×
  136. 135HagenNorth Rhine-Westphalia, Germany
    1052.5×
  137. 135MostÚstí nad Labem Region, Czechia
    1052.5×
  138. 138MolFlanders, Belgium
    1042.5×
  139. 138LyonAuvergne-Rhône-Alpes, France
    1042.5×
  140. 138RacibórzSilesia, Poland
    1042.5×
  141. 141MainzRheinland-Pfalz, Germany
    1042.5×
  142. 142ParisÎle-de-France, France
    1042.4×
  143. 142ÉtampesÎle-de-France, France
    1042.4×
  144. 144BorkenNorth Rhine-Westphalia, Germany
    1042.4×
  145. 145Rüsselsheim am MainHesse, Germany
    1032.4×
  146. 145MannheimBaden-Wurttemberg, Germany
    1032.4×
  147. 145KaiserslauternRheinland-Pfalz, Germany
    1032.4×
  148. 145MontaubanOccitanie, France
    1032.4×
  149. 149LublinLublin, Poland
    1032.4×
  150. 149EindhovenNorth Brabant, The Netherlands
    1032.4×
  151. 149IzegemFlanders, Belgium
    1032.4×
  152. 152WeselNorth Rhine-Westphalia, Germany
    1032.4×
  153. 152KehlBaden-Wurttemberg, Germany
    1032.4×
  154. 152Le MansPays de la Loire, France
    1032.4×
  155. 155ChartresCentre-Val de Loire, France
    1022.4×
  156. 156Jelenia GóraLower Silesia, Poland
    1022.4×
  157. 157CharleroiWallonia, Belgium
    1022.4×
  158. 158CraiovaDolj, Romania
    1012.4×
  159. 158OhridOhrid, North Macedonia
    1012.4×
  160. 158Frankfurt am MainHesse, Germany
    1012.4×
  161. 161GivorsAuvergne-Rhône-Alpes, France
    1012.4×
  162. 161ÉpernayGrand Est, France
    1012.4×
  163. 163HasseltFlanders, Belgium
    1002.4×
  164. 164PrievidzaTrenčín Region, Slovakia
    1002.4×
  165. 165RzeszówSubcarpathia, Poland
    1002.3×
  166. 165RixensartWallonia, Belgium
    1002.3×
  167. 165LampertheimHesse, Germany
    1002.3×
  168. 165NitraNitra Region, Slovakia
    1002.3×
  169. 165Valašské MeziříčíZlín, Czechia
    1002.3×
  170. 170DattelnNorth Rhine-Westphalia, Germany
    992.3×
  171. 170AlençonNormandy, France
    992.3×
  172. 170HavířovMoravian-Silesian Region, Czechia
    992.3×
  173. 170PesaroThe Marches, Italy
    992.3×
  174. 174TraunUpper Austria, Austria
    992.3×
  175. 175AugsburgBavaria, Germany
    992.3×
  176. 175RambouilletÎle-de-France, France
    992.3×
  177. 175DomontÎle-de-France, France
    992.3×
  178. 178WaregemFlanders, Belgium
    992.3×
  179. 178SolingenNorth Rhine-Westphalia, Germany
    992.3×
  180. 178OberhausenNorth Rhine-Westphalia, Germany
    992.3×
  181. 181TournaiWallonia, Belgium
    992.3×
  182. 182KochaniKochani, North Macedonia
    992.3×
  183. 182LüdenscheidNorth Rhine-Westphalia, Germany
    992.3×
  184. 182EschbornHesse, Germany
    992.3×
  185. 182PezinokBratislava Region, Slovakia
    992.3×
  186. 182ŽideniceSouth Moravian, Czechia
    992.3×
  187. 187KasselHesse, Germany
    982.3×
  188. 187MetzGrand Est, France
    982.3×
  189. 187MarignaneProvence-Alpes-Côte d'Azur, France
    982.3×
  190. 190WawerMazovia, Poland
    982.3×
  191. 190GentFlanders, Belgium
    982.3×
  192. 190La RochelleNew Aquitaine, France
    982.3×
  193. 190WłocławekKujawsko-Pomorskie, Poland
    982.3×
  194. 194StuttgartBaden-Wurttemberg, Germany
    982.3×
  195. 194RoubaixHauts-de-France, France
    982.3×
  196. 194KaliszGreater Poland, Poland
    982.3×
  197. 194Lauda-KönigshofenBaden-Wurttemberg, Germany
    982.3×
  198. 198MenenFlanders, Belgium
    982.3×
  199. 198DouaiHauts-de-France, France
    982.3×
  200. 200EvergemFlanders, Belgium
    982.3×

Top 200 of 1,182 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, February 10, 2023, smogrank.com/history/2023-02-10 (accessed 2 Oct 2026).

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