SmogRank / History / October 14, 2023

Most polluted cities on October 14, 2023

1,883 cities ranked by their average PM2.5 over the day; the worst was Dhaka, Bangladesh, at 108.0 µg/m³. Each city's own local calendar day.

← Dhaka 108.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for October 14, 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. 1Dhakalow-cost sensorsDhaka Division, Bangladesh
    1887.2×
  2. 2N'DjamenaN’Djaména, Chad
    1786.3×
  3. 3DelhiDelhi, India
    1786.2×
  4. 4Lahorelow-cost sensorsPunjab, Pakistan
    1705.5×
  5. 5KolkataWest Bengal, India
    1705.5×
  6. 6MumbaiMaharashtra, India
    1604.5×
  7. 7HyderabadTelangana, India
    1594.5×
  8. 8Kampalalow-cost sensorsCentral Region, Uganda
    1533.9×
  9. 9Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1513.7×
  10. 10JakartaJakarta, Indonesia
    1433.5×
  11. 11CairoCairo, Egypt
    1383.4×
  12. 12ShenyangLiaoning, China
    1373.4×
  13. 13BamakoBamako, Mali
    1283.1×
  14. 14Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1263.1×
  15. 15HanoiHanoi, Vietnam
    1212.9×
  16. 16DushanbeDushanbe, Tajikistan
    1192.9×
  17. 17CoyhaiqueAysén, Chile
    1172.8×
  18. 18AntananarivoAnalamanga, Madagascar
    1122.7×
  19. 18GuangzhouGuangdong, China
    1122.7×
  20. 20Victoria de DurangoDurango, Mexico
    1082.6×
  21. 21PristinaPristina, Kosovo
    1062.5×
  22. 21Puerto VarasLos Lagos Region, Chile
    1062.5×
  23. 23BelgradeCentral Serbia, Serbia
    1002.4×
  24. 24Villa Poeta José Gálvez BarrenecheaLima region, Peru
    982.3×
  25. 25HualpénBiobio, Chile
    972.3×
  26. 26LimaLima Province, Peru
    962.2×
  27. 27Kathmandulow-cost sensorsBagmati Province, Nepal
    962.2×
  28. 28Novi SadVojvodina, Serbia
    932.1×
  29. 29TetovoTetovo, North Macedonia
    922.1×
  30. 30Islamabadlow-cost sensorsIslamabad, Pakistan
    912.0×
  31. 30MexicaliBaja California, Mexico
    912.0×
  32. 32CallaoCallao, Peru
    892.0×
  33. 33Samut SakhonSamut Sakhon, Thailand
    881.9×
  34. 34TemucoAraucania, Chile
    881.9×
  35. 34San Salvador TizatlalliMéxico, Mexico
    881.9×
  36. 36ChiguayanteBiobio, Chile
    871.9×
  37. 37Santa Anita - Los FicusLima region, Peru
    871.9×
  38. 38SzegedCsongrád, Hungary
    861.9×
  39. 38SarajevoFederation of B&H, Bosnia and Herzegovina
    861.9×
  40. 40Ulu BedokSingapore
    861.8×
  41. 40SantiagoSantiago Metropolitan, Chile
    861.8×
  42. 40QuillotaValparaiso, Chile
    861.8×
  43. 43HumennéPrešov Region, Slovakia
    851.8×
  44. 44Ang Mo Kio New TownSingapore
    851.8×
  45. 44La UniónLos Ríos Region, Chile
    851.8×
  46. 46KošiceKošice Region, Slovakia
    841.8×
  47. 47Karachilow-cost sensorsSindh, Pakistan
    841.8×
  48. 47Nong KhaemBangkok, Thailand
    841.8×
  49. 47VeracruzVeracruz, Mexico
    841.8×
  50. 50Tuen MunTuen Mun, Hong Kong
    831.7×
  51. 50CoquimboCoquimbo Region, Chile
    831.7×
  52. 52Kuala LumpurKuala Lumpur, Malaysia
    821.7×
  53. 53KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    821.7×
  54. 53RancaguaO'Higgins Region, Chile
    821.7×
  55. 55San Francisco TlalcilalcalpanMéxico, Mexico
    821.7×
  56. 56CuricóMaule Region, Chile
    821.7×
  57. 57ValdiviaLos Ríos Region, Chile
    811.7×
  58. 58Puente AltoSantiago Metropolitan, Chile
    811.7×
  59. 59TolucaMéxico, Mexico
    801.7×
  60. 59OsornoLos Lagos Region, Chile
    801.7×
  61. 61Cluj-NapocaCluj County, Romania
    801.6×
  62. 62SninaPrešov Region, Slovakia
    791.6×
  63. 62PrešovPrešov Region, Slovakia
    791.6×
  64. 64Viña del MarValparaiso, Chile
    791.6×
  65. 65TalaganteSantiago Metropolitan, Chile
    791.6×
  66. 66IlindenIlinden, North Macedonia
    781.6×
  67. 66La SerenaCoquimbo Region, Chile
    781.6×
  68. 66CoronelBiobio, Chile
    781.6×
  69. 69Vranov nad TopľouPrešov Region, Slovakia
    781.6×
  70. 69NišCentral Serbia, Serbia
    781.6×
  71. 71ThessaloníkiCentral Macedonia, Greece
    781.6×
  72. 71AntofagastaAntofagasta, Chile
    781.6×
  73. 73SalorTashkent Region, Uzbekistan
    771.6×
  74. 73Bang Bo DistrictSamut Prakan, Thailand
    771.6×
  75. 73QuinteroValparaiso, Chile
    771.6×
  76. 76AthensAttica, Greece
    771.5×
  77. 77NacimientoBiobio, Chile
    771.5×
  78. 78CopiapóAtacama, Chile
    771.5×
  79. 79SalamancaGuanajuato, Mexico
    771.5×
  80. 80Queenstown Estatelow-cost sensorsSingapore
    771.5×
  81. 81TrenčínTrenčín Region, Slovakia
    761.5×
  82. 82HualquiBiobio, Chile
    761.5×
  83. 83Abujalow-cost sensorsFCT, Nigeria
    761.5×
  84. 83TrnavaTrnava Region, Slovakia
    761.5×
  85. 85NyíregyházaSzabolcs-Szatmár-Bereg, Hungary
    761.5×
  86. 85NaplesCampania, Italy
    761.5×
  87. 87Phra PradaengSamut Prakan, Thailand
    751.5×
  88. 88BakuBaki, Azerbaijan
    751.5×
  89. 88Tha BoNong Khai, Thailand
    751.5×
  90. 88CuernavacaMorelos, Mexico
    751.5×
  91. 91San CarlosÑuble, Chile
    741.4×
  92. 92RuseRuse, Bulgaria
    741.4×
  93. 92FanlingNorth District, Hong Kong
    741.4×
  94. 92TocopillaAntofagasta, Chile
    741.4×
  95. 92Puerto MonttLos Lagos Region, Chile
    741.4×
  96. 96BangkokBangkok, Thailand
    741.4×
  97. 97LleidaCatalonia, Spain
    731.4×
  98. 98CholulaPuebla, Mexico
    731.4×
  99. 98QuilpuéValparaiso, Chile
    731.4×
  100. 100ToméBiobio, Chile
    731.4×
  101. 100AricaArica y Parinacota Region, Chile
    731.4×
  102. 102TijuanaBaja California, Mexico
    731.4×
  103. 103PrzemyślSubcarpathia, Poland
    721.4×
  104. 103Samut PrakanSamut Prakan, Thailand
    721.4×
  105. 103Mollet del VallèsCatalonia, Spain
    721.4×
  106. 106Addis AbabaAddis Ababa, Ethiopia
    721.4×
  107. 106LotaBiobio, Chile
    721.4×
  108. 108Wan ChaiWan Chai, Hong Kong
    721.4×
  109. 108MurciaMurcia, Spain
    721.4×
  110. 108ConcónValparaiso, Chile
    721.4×
  111. 111TalcahuanoBiobio, Chile
    721.3×
  112. 111TalcaMaule Region, Chile
    721.3×
  113. 113NitraNitra Region, Slovakia
    711.3×
  114. 114SkopjeGrad Skopje, North Macedonia
    711.3×
  115. 114Nakhon PathomNakhon Pathom, Thailand
    711.3×
  116. 116AsprópyrgosAttica, Greece
    711.3×
  117. 116Tai PoTai Po, Hong Kong
    711.3×
  118. 116SenicaTrnava Region, Slovakia
    711.3×
  119. 119Tin Shui WaiYuen Long, Hong Kong
    711.3×
  120. 119San RoqueAndalusia, Spain
    711.3×
  121. 121WolfsbergCarinthia, Austria
    701.3×
  122. 122Laudio / LlodioBasque Country, Spain
    701.3×
  123. 123BucharestBucharest, Romania
    701.3×
  124. 124BolzanoTrentino-Alto Adige, Italy
    701.3×
  125. 125ValdemoroMadrid, Spain
    691.3×
  126. 126ColomboWestern Province, Sri Lanka
    691.3×
  127. 126SliemaTas-Sliema, Malta
    691.3×
  128. 126ŽideniceSouth Moravian, Czechia
    691.3×
  129. 126RengoO'Higgins Region, Chile
    691.3×
  130. 130CalexicoCalifornia, United States
    691.2×
  131. 130HillsboroOregon, United States
    691.2×
  132. 132MóstolesMadrid, Spain
    691.2×
  133. 132Banja LukaSrpska, Bosnia and Herzegovina
    691.2×
  134. 132CauquenesMaule Region, Chile
    691.2×
  135. 135GrazStyria, Austria
    681.2×
  136. 135Los ÁngelesBiobio, Chile
    681.2×
  137. 135Alto HospicioTarapacá, Chile
    681.2×
  138. 135San Pedro de la PazBiobio, Chile
    681.2×
  139. 139DębicaSubcarpathia, Poland
    681.2×
  140. 139ChillánÑuble, Chile
    681.2×
  141. 141ManlleuCatalonia, Spain
    681.2×
  142. 141Falconara MarittimaThe Marches, Italy
    681.2×
  143. 143La Línea de la ConcepciónAndalusia, Spain
    671.2×
  144. 144PřerovOlomouc Region, Czechia
    671.2×
  145. 144OlomoucOlomouc Region, Czechia
    671.2×
  146. 144BrnoSouth Moravian, Czechia
    671.2×
  147. 144TrentoTrentino-Alto Adige, Italy
    671.2×
  148. 148Jastrzębie ZdrójSilesia, Poland
    671.2×
  149. 148ConcepciónBiobio, Chile
    671.2×
  150. 150TamanaKumamoto, Japan
    671.2×
  151. 150EsztergomKomárom-Esztergom, Hungary
    671.2×
  152. 152CartagenaMurcia, Spain
    671.2×
  153. 152CuencaCastille-La Mancha, Spain
    671.2×
  154. 152YamanashiYamanashi, Japan
    671.2×
  155. 155San Tung Chung HangIslands, Hong Kong
    661.2×
  156. 155CalamaAntofagasta, Chile
    661.2×
  157. 155BuzenFukuoka, Japan
    661.2×
  158. 158BratislavaBratislava Region, Slovakia
    661.2×
  159. 158CuranilahueBiobio, Chile
    661.2×
  160. 158AnaheimCalifornia, United States
    661.2×
  161. 161Uekimachi-mōnoKumamoto, Japan
    661.1×
  162. 161KazoSaitama, Japan
    661.1×
  163. 163San Francisco De BorjaLima region, Peru
    661.1×
  164. 164MontemurloTuscany, Italy
    651.1×
  165. 165ŁukówLublin, Poland
    651.1×
  166. 165BitolaBitola, North Macedonia
    651.1×
  167. 165HuelvaAndalusia, Spain
    651.1×
  168. 165GyálPest County, Hungary
    651.1×
  169. 165PrievidzaTrenčín Region, Slovakia
    651.1×
  170. 165Valašské MeziříčíZlín, Czechia
    651.1×
  171. 171Santa Cruz de TenerifeCanary Islands, Spain
    651.1×
  172. 171ŻabbarĦaż-Żabbar, Malta
    651.1×
  173. 171MostaIl-Mosta, Malta
    651.1×
  174. 174NairobiNairobi County, Kenya
    651.1×
  175. 174TorreviejaValencia, Spain
    651.1×
  176. 174Alcalá de HenaresMadrid, Spain
    651.1×
  177. 174CelayaGuanajuato, Mexico
    651.1×
  178. 178Granadilla de AbonaCanary Islands, Spain
    651.1×
  179. 178PécsBaranya, Hungary
    651.1×
  180. 178BilbaoBasque Country, Spain
    651.1×
  181. 181BarcelonaCatalonia, Spain
    641.1×
  182. 181PueblaPuebla, Mexico
    641.1×
  183. 183KavadarciKavadarci, North Macedonia
    641.1×
  184. 183Mueang NonthaburiNonthaburi, Thailand
    641.1×
  185. 183Kwai ChungKwai Tsing District, Hong Kong
    641.1×
  186. 183HandaAichi, Japan
    641.1×
  187. 183VigoGalicia, Spain
    641.1×
  188. 188KasukabeSaitama, Japan
    641.1×
  189. 188Klagenfurt am WörtherseeCarinthia, Austria
    641.1×
  190. 188CosladaMadrid, Spain
    641.1×
  191. 188Ciudad ApodacaNuevo León, Mexico
    641.1×
  192. 192KukichūōSaitama, Japan
    641.1×
  193. 192Kashihara-shiNara, Japan
    641.1×
  194. 192FujinomiyaShizuoka, Japan
    641.1×
  195. 192SevillaAndalusia, Spain
    641.1×
  196. 192KrakówLesser Poland, Poland
    641.1×
  197. 192ComptonCalifornia, United States
    641.1×
  198. 198GrajewoPodlasie, Poland
    631.1×
  199. 198ZnojmoSouth Moravian, Czechia
    631.1×
  200. 198HernandoMississippi, United States
    631.1×

Top 200 of 1,883 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 14, 2023, smogrank.com/history/2023-10-14 (accessed 2 Oct 2026).

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