SmogRank / History / October 12, 2023

Most polluted cities on October 12, 2023

1,783 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 127.0 µg/m³. Each city's own local calendar day.

← Lahore 127.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for October 12, 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. 1Lahorelow-cost sensorsPunjab, Pakistan
    2028.5×
  2. 2Dhakalow-cost sensorsDhaka Division, Bangladesh
    2018.4×
  3. 3DelhiDelhi, India
    1867.0×
  4. 4AntananarivoAnalamanga, Madagascar
    1786.2×
  5. 5KolkataWest Bengal, India
    1766.1×
  6. 6BeijingBeijing, China
    1756.0×
  7. 7Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1634.8×
  8. 8HyderabadTelangana, India
    1594.4×
  9. 9ShenyangLiaoning, China
    1564.2×
  10. 10JakartaJakarta, Indonesia
    1533.9×
  11. 11Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1443.5×
  12. 12Santa Anita - Los FicusLima region, Peru
    1403.4×
  13. 13ŻabbarĦaż-Żabbar, Malta
    1263.0×
  14. 14CairoCairo, Egypt
    1253.0×
  15. 15N'DjamenaN’Djaména, Chad
    1222.9×
  16. 16Kathmandulow-cost sensorsBagmati Province, Nepal
    1142.7×
  17. 17San Francisco De BorjaLima region, Peru
    1122.7×
  18. 18DushanbeDushanbe, Tajikistan
    1122.7×
  19. 19SalorTashkent Region, Uzbekistan
    1082.5×
  20. 20Kampalalow-cost sensorsCentral Region, Uganda
    1052.5×
  21. 21BamakoBamako, Mali
    1042.4×
  22. 22ManamaManama, Bahrain
    1042.4×
  23. 23LimaLima Province, Peru
    1022.4×
  24. 24Islamabadlow-cost sensorsIslamabad, Pakistan
    1002.4×
  25. 25CallaoCallao, Peru
    992.3×
  26. 26MumbaiMaharashtra, India
    982.3×
  27. 27Abujalow-cost sensorsFCT, Nigeria
    962.2×
  28. 28HualpénBiobio, Chile
    952.2×
  29. 29Victoria de DurangoDurango, Mexico
    952.2×
  30. 30Villa Poeta José Gálvez BarrenecheaLima region, Peru
    942.1×
  31. 31Samut SakhonSamut Sakhon, Thailand
    922.1×
  32. 32HanoiHanoi, Vietnam
    922.1×
  33. 33TemucoAraucania, Chile
    922.1×
  34. 34PristinaPristina, Kosovo
    912.0×
  35. 35Puerto VarasLos Lagos Region, Chile
    902.0×
  36. 36NaplesCampania, Italy
    892.0×
  37. 37NairobiNairobi County, Kenya
    881.9×
  38. 37SarajevoFederation of B&H, Bosnia and Herzegovina
    881.9×
  39. 39Karachilow-cost sensorsSindh, Pakistan
    871.9×
  40. 40Tha BoNong Khai, Thailand
    861.9×
  41. 41TetovoTetovo, North Macedonia
    851.8×
  42. 42SantiagoSantiago Metropolitan, Chile
    851.8×
  43. 43MexicaliBaja California, Mexico
    841.8×
  44. 44GuangzhouGuangdong, China
    831.8×
  45. 45Nong KhaemBangkok, Thailand
    831.8×
  46. 45Ang Mo Kio New TownSingapore
    831.8×
  47. 47CuricóMaule Region, Chile
    821.7×
  48. 48OsornoLos Lagos Region, Chile
    811.7×
  49. 49JeddahMecca Region, Saudi Arabia
    811.7×
  50. 49CoronelBiobio, Chile
    811.7×
  51. 51TrnavaTrnava Region, Slovakia
    801.6×
  52. 52La OrotavaCanary Islands, Spain
    801.6×
  53. 52TocopillaAntofagasta, Chile
    801.6×
  54. 54AlgiersAlgiers, Algeria
    791.6×
  55. 54CopiapóAtacama, Chile
    791.6×
  56. 56QuillotaValparaiso, Chile
    791.6×
  57. 56Puente AltoSantiago Metropolitan, Chile
    791.6×
  58. 58QuinteroValparaiso, Chile
    781.6×
  59. 59HualquiBiobio, Chile
    781.6×
  60. 60TalaganteSantiago Metropolitan, Chile
    781.6×
  61. 61Ulu BedokSingapore
    771.5×
  62. 62TrentoTrentino-Alto Adige, Italy
    771.5×
  63. 62ToméBiobio, Chile
    771.5×
  64. 64Phra PradaengSamut Prakan, Thailand
    771.5×
  65. 64NacimientoBiobio, Chile
    771.5×
  66. 64CoyhaiqueAysén, Chile
    771.5×
  67. 67CoquimboCoquimbo Region, Chile
    761.5×
  68. 67ChiguayanteBiobio, Chile
    761.5×
  69. 69Falconara MarittimaThe Marches, Italy
    761.5×
  70. 70Santa CatarinaNuevo León, Mexico
    761.5×
  71. 71Addis AbabaAddis Ababa, Ethiopia
    751.5×
  72. 72GyálPest County, Hungary
    751.5×
  73. 73AricaArica y Parinacota Region, Chile
    751.5×
  74. 74La UniónLos Ríos Region, Chile
    751.5×
  75. 75Spišská Nová VesKošice Region, Slovakia
    751.5×
  76. 75Bang Bo DistrictSamut Prakan, Thailand
    751.5×
  77. 75RancaguaO'Higgins Region, Chile
    751.5×
  78. 78La SerenaCoquimbo Region, Chile
    741.4×
  79. 78AntofagastaAntofagasta, Chile
    741.4×
  80. 80DěčínÚstí nad Labem Region, Czechia
    741.4×
  81. 81KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    741.4×
  82. 82ColomboWestern Province, Sri Lanka
    741.4×
  83. 83TalcahuanoBiobio, Chile
    731.4×
  84. 84RoveretoTrentino-Alto Adige, Italy
    731.4×
  85. 84AlessandriaPiedmont, Italy
    731.4×
  86. 86PécsBaranya, Hungary
    731.4×
  87. 87Alto HospicioTarapacá, Chile
    731.4×
  88. 88San CarlosÑuble, Chile
    731.4×
  89. 89SevillaAndalusia, Spain
    721.4×
  90. 89Ciudad ApodacaNuevo León, Mexico
    721.4×
  91. 89San Pedro de la PazBiobio, Chile
    721.4×
  92. 92DunaújvárosFejér, Hungary
    721.4×
  93. 92Banja LukaSrpska, Bosnia and Herzegovina
    721.4×
  94. 92Viña del MarValparaiso, Chile
    721.4×
  95. 92TijuanaBaja California, Mexico
    721.4×
  96. 96SkopjeGrad Skopje, North Macedonia
    721.4×
  97. 97BitolaBitola, North Macedonia
    721.4×
  98. 98ConcónValparaiso, Chile
    721.3×
  99. 98MonterreyNuevo León, Mexico
    721.3×
  100. 100Ciudad Benito JuárezNuevo León, Mexico
    711.3×
  101. 101NitraNitra Region, Slovakia
    711.3×
  102. 101TolucaMéxico, Mexico
    711.3×
  103. 103LinzUpper Austria, Austria
    711.3×
  104. 103SenicaTrnava Region, Slovakia
    711.3×
  105. 105Queenstown Estatelow-cost sensorsSingapore
    701.3×
  106. 106ValdiviaLos Ríos Region, Chile
    701.3×
  107. 107HuelvaAndalusia, Spain
    701.3×
  108. 108TalcaMaule Region, Chile
    701.3×
  109. 108Ciudad JuárezChihuahua, Mexico
    701.3×
  110. 110NišCentral Serbia, Serbia
    691.3×
  111. 110TrenčínTrenčín Region, Slovakia
    691.3×
  112. 112BangkokBangkok, Thailand
    691.3×
  113. 112MartinŽilina Region, Slovakia
    691.3×
  114. 112VigoGalicia, Spain
    691.3×
  115. 112SalernoCampania, Italy
    691.3×
  116. 112BolzanoTrentino-Alto Adige, Italy
    691.3×
  117. 112LotaBiobio, Chile
    691.3×
  118. 118RuseRuse, Bulgaria
    691.3×
  119. 118GroßostheimBavaria, Germany
    691.3×
  120. 118CuranilahueBiobio, Chile
    691.3×
  121. 121EsztergomKomárom-Esztergom, Hungary
    691.2×
  122. 121LouisvilleKentucky, United States
    691.2×
  123. 123Los ÁngelesBiobio, Chile
    691.2×
  124. 124ParedesPorto, Portugal
    691.2×
  125. 124BeneventoCampania, Italy
    691.2×
  126. 126KošiceKošice Region, Slovakia
    681.2×
  127. 127BratislavaBratislava Region, Slovakia
    681.2×
  128. 128CauquenesMaule Region, Chile
    681.2×
  129. 129Samut PrakanSamut Prakan, Thailand
    681.2×
  130. 129Hradec KrálovéHradec Králové Region, Czechia
    681.2×
  131. 129BrnoSouth Moravian, Czechia
    681.2×
  132. 129RengoO'Higgins Region, Chile
    681.2×
  133. 133SliemaTas-Sliema, Malta
    671.2×
  134. 133QuilpuéValparaiso, Chile
    671.2×
  135. 133SalamancaGuanajuato, Mexico
    671.2×
  136. 136BailénAndalusia, Spain
    671.2×
  137. 136Mollet del VallèsCatalonia, Spain
    671.2×
  138. 138PerpignanOccitanie, France
    671.2×
  139. 138PrievidzaTrenčín Region, Slovakia
    671.2×
  140. 138Civitanova MarcheThe Marches, Italy
    671.2×
  141. 138PesaroThe Marches, Italy
    671.2×
  142. 142Granadilla de AbonaCanary Islands, Spain
    661.2×
  143. 142TurinPiedmont, Italy
    661.2×
  144. 142San Francisco TlalcilalcalpanMéxico, Mexico
    661.2×
  145. 142Ciudad General EscobedoNuevo León, Mexico
    661.2×
  146. 146BerounCentral Bohemia, Czechia
    661.2×
  147. 146RaleighNorth Carolina, United States
    661.2×
  148. 148PrešovPrešov Region, Slovakia
    661.1×
  149. 148AnsfeldenUpper Austria, Austria
    661.1×
  150. 148OlomoucOlomouc Region, Czechia
    661.1×
  151. 151TraunUpper Austria, Austria
    661.1×
  152. 152Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    661.1×
  153. 152IzegemFlanders, Belgium
    661.1×
  154. 152BilbaoBasque Country, Spain
    661.1×
  155. 152Valley StationKentucky, United States
    661.1×
  156. 156KelheimBavaria, Germany
    661.1×
  157. 156LormontNew Aquitaine, France
    661.1×
  158. 156ValdemoroMadrid, Spain
    661.1×
  159. 156PalenciaCastille and León, Spain
    661.1×
  160. 160LuganoTicino, Switzerland
    651.1×
  161. 160NurembergBavaria, Germany
    651.1×
  162. 160PřerovOlomouc Region, Czechia
    651.1×
  163. 160JesiThe Marches, Italy
    651.1×
  164. 160ChillánÑuble, Chile
    651.1×
  165. 165ZvolenBanská Bystrica Region, Slovakia
    651.1×
  166. 165CalamaAntofagasta, Chile
    651.1×
  167. 165ClevelandOhio, United States
    651.1×
  168. 168BordeauxNew Aquitaine, France
    651.1×
  169. 169MostaIl-Mosta, Malta
    651.1×
  170. 169MóstolesMadrid, Spain
    651.1×
  171. 169San Salvador TizatlalliMéxico, Mexico
    651.1×
  172. 172LisbonLisbon, Portugal
    641.1×
  173. 172Novi SadVojvodina, Serbia
    641.1×
  174. 174Granite CityIllinois, United States
    641.1×
  175. 175Cluj-NapocaCluj County, Romania
    641.1×
  176. 175Nakhon PathomNakhon Pathom, Thailand
    641.1×
  177. 175JeffersonvilleIndiana, United States
    641.1×
  178. 178GrazStyria, Austria
    641.1×
  179. 178ManlleuCatalonia, Spain
    641.1×
  180. 180PassauBavaria, Germany
    631.1×
  181. 180ŽilinaŽilina Region, Slovakia
    631.1×
  182. 180Puerto MonttLos Lagos Region, Chile
    631.1×
  183. 183Ústí nad LabemÚstí nad Labem Region, Czechia
    631.0×
  184. 184HumennéPrešov Region, Slovakia
    631.0×
  185. 184Schwandorf in BayernBavaria, Germany
    631.0×
  186. 184Sainte-Geneviève-des-BoisÎle-de-France, France
    631.0×
  187. 184GreenvilleNorth Carolina, United States
    631.0×
  188. 188VelesVeles, North Macedonia
    631.0×
  189. 188Mladá BoleslavCentral Bohemia, Czechia
    631.0×
  190. 190BellinzonaTicino, Switzerland
    631.0×
  191. 190JasperIndiana, United States
    631.0×
  192. 192Klagenfurt am WörtherseeCarinthia, Austria
    621.0×
  193. 192VeszprémVeszprém, Hungary
    621.0×
  194. 192Valašské MeziříčíZlín, Czechia
    621.0×
  195. 192Frýdek-MístekMoravian-Silesian Region, Czechia
    621.0×
  196. 192CosladaMadrid, Spain
    621.0×
  197. 192EvansvilleIndiana, United States
    621.0×
  198. 198ÉpernayGrand Est, France
    621.0×
  199. 198ŽideniceSouth Moravian, Czechia
    621.0×
  200. 200Khlong LuangPathum Thani, Thailand
    621.0×

Top 200 of 1,783 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, October 12, 2023, smogrank.com/history/2023-10-12 (accessed 2 Oct 2026).

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