SmogRank / History / October 13, 2023

Most polluted cities on October 13, 2023

1,875 cities ranked by their average PM2.5 over the day; the worst was Delhi, India, at 110.0 µg/m³. Each city's own local calendar day.

← Delhi 110.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for October 13, 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. 1DelhiDelhi, India
    1897.3×
  2. 2Dhakalow-cost sensorsDhaka Division, Bangladesh
    1766.1×
  3. 3Lahorelow-cost sensorsPunjab, Pakistan
    1756.0×
  4. 4DushanbeDushanbe, Tajikistan
    1715.6×
  5. 5Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1695.4×
  6. 6KolkataWest Bengal, India
    1695.4×
  7. 7HyderabadTelangana, India
    1634.9×
  8. 8Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1574.3×
  9. 9JakartaJakarta, Indonesia
    1564.2×
  10. 10AntananarivoAnalamanga, Madagascar
    1564.1×
  11. 11MumbaiMaharashtra, India
    1544.0×
  12. 11N'DjamenaN’Djaména, Chad
    1544.0×
  13. 13CairoCairo, Egypt
    1523.8×
  14. 14ManamaManama, Bahrain
    1513.7×
  15. 15BamakoBamako, Mali
    1433.5×
  16. 16BeijingBeijing, China
    1423.5×
  17. 17Islamabadlow-cost sensorsIslamabad, Pakistan
    1323.2×
  18. 18HanoiHanoi, Vietnam
    1323.2×
  19. 19ShenyangLiaoning, China
    1273.1×
  20. 20Kampalalow-cost sensorsCentral Region, Uganda
    1172.8×
  21. 21Victoria de DurangoDurango, Mexico
    1152.8×
  22. 22Puerto VarasLos Lagos Region, Chile
    1102.6×
  23. 23PristinaPristina, Kosovo
    1082.6×
  24. 24LimaLima Province, Peru
    1052.5×
  25. 25Kathmandulow-cost sensorsBagmati Province, Nepal
    1052.5×
  26. 25Villa Poeta José Gálvez BarrenecheaLima region, Peru
    1052.5×
  27. 27CholulaPuebla, Mexico
    1042.5×
  28. 28CallaoCallao, Peru
    992.3×
  29. 29HualpénBiobio, Chile
    972.2×
  30. 30OsornoLos Lagos Region, Chile
    972.2×
  31. 31Santa Anita - Los FicusLima region, Peru
    952.2×
  32. 32San Francisco De BorjaLima region, Peru
    942.1×
  33. 33ParedesPorto, Portugal
    932.1×
  34. 34TemucoAraucania, Chile
    932.1×
  35. 35Karachilow-cost sensorsSindh, Pakistan
    932.1×
  36. 36TolucaMéxico, Mexico
    932.1×
  37. 37CoyhaiqueAysén, Chile
    922.1×
  38. 38MexicaliBaja California, Mexico
    892.0×
  39. 39SantiagoSantiago Metropolitan, Chile
    892.0×
  40. 40Samut SakhonSamut Sakhon, Thailand
    881.9×
  41. 41SarajevoFederation of B&H, Bosnia and Herzegovina
    871.9×
  42. 42BelgradeCentral Serbia, Serbia
    871.9×
  43. 43GuangzhouGuangdong, China
    861.9×
  44. 44MiskolcBorsod-Abaúj-Zemplén, Hungary
    861.8×
  45. 45TetovoTetovo, North Macedonia
    851.8×
  46. 46Tha BoNong Khai, Thailand
    841.8×
  47. 47Abujalow-cost sensorsFCT, Nigeria
    831.8×
  48. 48IlindenIlinden, North Macedonia
    831.8×
  49. 48TrnavaTrnava Region, Slovakia
    831.8×
  50. 48QuinteroValparaiso, Chile
    831.8×
  51. 51Nong KhaemBangkok, Thailand
    831.7×
  52. 51Novi SadVojvodina, Serbia
    831.7×
  53. 53San Salvador TizatlalliMéxico, Mexico
    831.7×
  54. 54Bang Bo DistrictSamut Prakan, Thailand
    821.7×
  55. 54CoquimboCoquimbo Region, Chile
    821.7×
  56. 56TalaganteSantiago Metropolitan, Chile
    821.7×
  57. 57NacimientoBiobio, Chile
    821.7×
  58. 58San Francisco TlalcilalcalpanMéxico, Mexico
    821.7×
  59. 59OviedoAsturias, Spain
    821.7×
  60. 59La SerenaCoquimbo Region, Chile
    821.7×
  61. 61QuillotaValparaiso, Chile
    811.7×
  62. 62La UniónLos Ríos Region, Chile
    811.7×
  63. 63BangkokBangkok, Thailand
    801.7×
  64. 63NaplesCampania, Italy
    801.7×
  65. 63Puente AltoSantiago Metropolitan, Chile
    801.7×
  66. 66HualquiBiobio, Chile
    801.6×
  67. 67Phra PradaengSamut Prakan, Thailand
    791.6×
  68. 67ValdiviaLos Ríos Region, Chile
    791.6×
  69. 69Kuala LumpurKuala Lumpur, Malaysia
    791.6×
  70. 70CoronelBiobio, Chile
    781.6×
  71. 71AntofagastaAntofagasta, Chile
    781.6×
  72. 72Falconara MarittimaThe Marches, Italy
    771.6×
  73. 72CuricóMaule Region, Chile
    771.6×
  74. 74TijuanaBaja California, Mexico
    771.5×
  75. 75SzegedCsongrád, Hungary
    771.5×
  76. 75GyálPest County, Hungary
    771.5×
  77. 77Viña del MarValparaiso, Chile
    771.5×
  78. 78Ang Mo Kio New TownSingapore
    771.5×
  79. 78ToméBiobio, Chile
    771.5×
  80. 80KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    761.5×
  81. 81RuseRuse, Bulgaria
    761.5×
  82. 82KošiceKošice Region, Slovakia
    761.5×
  83. 82TrentoTrentino-Alto Adige, Italy
    761.5×
  84. 82CopiapóAtacama, Chile
    761.5×
  85. 82ConcónValparaiso, Chile
    761.5×
  86. 86VigoGalicia, Spain
    751.5×
  87. 86GijónAsturias, Spain
    751.5×
  88. 88NišCentral Serbia, Serbia
    751.5×
  89. 89Samut PrakanSamut Prakan, Thailand
    751.5×
  90. 89SalernoCampania, Italy
    751.5×
  91. 91SkopjeGrad Skopje, North Macedonia
    751.5×
  92. 91RancaguaO'Higgins Region, Chile
    751.5×
  93. 91Santa CatarinaNuevo León, Mexico
    751.5×
  94. 94PrešovPrešov Region, Slovakia
    741.4×
  95. 95RoveretoTrentino-Alto Adige, Italy
    741.4×
  96. 95SalamancaGuanajuato, Mexico
    741.4×
  97. 97Ulu BedokSingapore
    741.4×
  98. 97NitraNitra Region, Slovakia
    741.4×
  99. 99TrenčínTrenčín Region, Slovakia
    741.4×
  100. 100AngoulêmeNew Aquitaine, France
    731.4×
  101. 100TocopillaAntofagasta, Chile
    731.4×
  102. 102ValdemoroMadrid, Spain
    731.4×
  103. 102ConcepciónBiobio, Chile
    731.4×
  104. 104QuilpuéValparaiso, Chile
    731.4×
  105. 105PueblaPuebla, Mexico
    731.4×
  106. 106Puerto MonttLos Lagos Region, Chile
    721.4×
  107. 107San CarlosÑuble, Chile
    721.4×
  108. 108ChiguayanteBiobio, Chile
    721.4×
  109. 109AricaArica y Parinacota Region, Chile
    721.4×
  110. 110SamaAsturias, Spain
    711.3×
  111. 110Ciudad ApodacaNuevo León, Mexico
    711.3×
  112. 112ColomboWestern Province, Sri Lanka
    711.3×
  113. 112TalcahuanoBiobio, Chile
    711.3×
  114. 114AlgiersAlgiers, Algeria
    711.3×
  115. 114AvilésAsturias, Spain
    711.3×
  116. 116LotaBiobio, Chile
    711.3×
  117. 117Khlong LuangPathum Thani, Thailand
    711.3×
  118. 118Queenstown Estatelow-cost sensorsSingapore
    701.3×
  119. 118MóstolesMadrid, Spain
    701.3×
  120. 118CelayaGuanajuato, Mexico
    701.3×
  121. 121AstanaAstana, Kazakhstan
    701.3×
  122. 121Mueang NonthaburiNonthaburi, Thailand
    701.3×
  123. 121San Pedro de la PazBiobio, Chile
    701.3×
  124. 124Tuen MunTuen Mun, Hong Kong
    701.3×
  125. 124TalcaMaule Region, Chile
    701.3×
  126. 124Los ÁngelesBiobio, Chile
    701.3×
  127. 127Cluj-NapocaCluj County, Romania
    701.3×
  128. 127Puerto AysénAysén, Chile
    701.3×
  129. 129NairobiNairobi County, Kenya
    691.3×
  130. 130NyíregyházaSzabolcs-Szatmár-Bereg, Hungary
    691.3×
  131. 130BeneventoCampania, Italy
    691.3×
  132. 130HanfordCalifornia, United States
    691.3×
  133. 133JesiThe Marches, Italy
    691.2×
  134. 134DěčínÚstí nad Labem Region, Czechia
    681.2×
  135. 134IrapuatoGuanajuato, Mexico
    681.2×
  136. 136Spišská Nová VesKošice Region, Slovakia
    681.2×
  137. 136TarnówLesser Poland, Poland
    681.2×
  138. 138BolzanoTrentino-Alto Adige, Italy
    681.2×
  139. 139Vranov nad TopľouPrešov Region, Slovakia
    681.2×
  140. 139RengoO'Higgins Region, Chile
    681.2×
  141. 139Alto HospicioTarapacá, Chile
    681.2×
  142. 142LisieuxNormandy, France
    671.2×
  143. 142DunaújvárosFejér, Hungary
    671.2×
  144. 142KroměřížZlín, Czechia
    671.2×
  145. 145VelesVeles, North Macedonia
    671.2×
  146. 145NahaOkinawa, Japan
    671.2×
  147. 145CauquenesMaule Region, Chile
    671.2×
  148. 148ChillánÑuble, Chile
    671.2×
  149. 148CalamaAntofagasta, Chile
    671.2×
  150. 150CuranilahueBiobio, Chile
    671.2×
  151. 151HumennéPrešov Region, Slovakia
    671.2×
  152. 151DębicaSubcarpathia, Poland
    671.2×
  153. 153AthensAttica, Greece
    661.2×
  154. 153BitolaBitola, North Macedonia
    661.2×
  155. 153NagoOkinawa, Japan
    661.2×
  156. 153Sainte-Geneviève-des-BoisÎle-de-France, France
    661.2×
  157. 153AlessandriaPiedmont, Italy
    661.2×
  158. 158PruszkówMazovia, Poland
    661.2×
  159. 158ValenciennesHauts-de-France, France
    661.2×
  160. 160PoitiersNew Aquitaine, France
    661.1×
  161. 160SenicaTrnava Region, Slovakia
    661.1×
  162. 160KrakówLesser Poland, Poland
    661.1×
  163. 163SiedlceMazovia, Poland
    661.1×
  164. 163AlençonNormandy, France
    661.1×
  165. 163ŽilinaŽilina Region, Slovakia
    661.1×
  166. 163CosladaMadrid, Spain
    661.1×
  167. 167PécsBaranya, Hungary
    661.1×
  168. 167Banja LukaSrpska, Bosnia and Herzegovina
    661.1×
  169. 169AsprópyrgosAttica, Greece
    661.1×
  170. 169Addis AbabaAddis Ababa, Ethiopia
    661.1×
  171. 169IzegemFlanders, Belgium
    661.1×
  172. 169CuencaCastille-La Mancha, Spain
    661.1×
  173. 169TurinPiedmont, Italy
    661.1×
  174. 174ThessaloníkiCentral Macedonia, Greece
    651.1×
  175. 174OtwockMazovia, Poland
    651.1×
  176. 174Nakhon PathomNakhon Pathom, Thailand
    651.1×
  177. 174LochristiFlanders, Belgium
    651.1×
  178. 174LugoGalicia, Spain
    651.1×
  179. 174MonterreyNuevo León, Mexico
    651.1×
  180. 180AnsfeldenUpper Austria, Austria
    651.1×
  181. 180Jastrzębie ZdrójSilesia, Poland
    651.1×
  182. 180PesaroThe Marches, Italy
    651.1×
  183. 183LouviersNormandy, France
    651.1×
  184. 183AmiensHauts-de-France, France
    651.1×
  185. 185KielceŚwiętokrzyskie, Poland
    651.1×
  186. 185TournaiWallonia, Belgium
    651.1×
  187. 185ŽideniceSouth Moravian, Czechia
    651.1×
  188. 185Ciudad Benito JuárezNuevo León, Mexico
    651.1×
  189. 189KutnoŁódź Voivodeship, Poland
    651.1×
  190. 189Jardines de la SillaNuevo León, Mexico
    651.1×
  191. 191CraiovaDolj, Romania
    641.1×
  192. 191KavadarciKavadarci, North Macedonia
    641.1×
  193. 191KelheimBavaria, Germany
    641.1×
  194. 191EsztergomKomárom-Esztergom, Hungary
    641.1×
  195. 191PřerovOlomouc Region, Czechia
    641.1×
  196. 191RaleighNorth Carolina, United States
    641.1×
  197. 197TraunUpper Austria, Austria
    641.1×
  198. 197Ciudad General EscobedoNuevo León, Mexico
    641.1×
  199. 199MenenFlanders, Belgium
    641.1×
  200. 199České BudějoviceSouth Bohemian Region, Czechia
    641.1×

Top 200 of 1,875 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 13, 2023, smogrank.com/history/2023-10-13 (accessed 2 Oct 2026).

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