SmogRank / History / October 15, 2023

Most polluted cities on October 15, 2023

1,830 cities ranked by their average PM2.5 over the day; the worst was Dhaka, Bangladesh, at 127.0 µg/m³. Each city's own local calendar day.

← Dhaka 127.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for October 15, 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
    2028.5×
  2. 2KolkataWest Bengal, India
    1695.4×
  3. 3HyderabadTelangana, India
    1655.1×
  4. 4DelhiDelhi, India
    1634.8×
  5. 5Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1624.7×
  6. 6CairoCairo, Egypt
    1554.0×
  7. 7Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1523.8×
  8. 8ManamaManama, Bahrain
    1513.7×
  9. 9MumbaiMaharashtra, India
    1483.6×
  10. 10SalorTashkent Region, Uzbekistan
    1443.5×
  11. 11N'DjamenaN’Djaména, Chad
    1423.5×
  12. 12Santa Anita - Los FicusLima region, Peru
    1333.2×
  13. 13JakartaJakarta, Indonesia
    1263.0×
  14. 14GuangzhouGuangdong, China
    1132.7×
  15. 14BamakoBamako, Mali
    1132.7×
  16. 16Ulu BedokSingapore
    1072.5×
  17. 17Villa Poeta José Gálvez BarrenecheaLima region, Peru
    992.3×
  18. 18PristinaPristina, Kosovo
    992.3×
  19. 19Lahorelow-cost sensorsPunjab, Pakistan
    972.2×
  20. 19LimaLima Province, Peru
    972.2×
  21. 21CallaoCallao, Peru
    962.2×
  22. 22DushanbeDushanbe, Tajikistan
    942.1×
  23. 23HanoiHanoi, Vietnam
    942.1×
  24. 24Ang Mo Kio New TownSingapore
    932.1×
  25. 25Islamabadlow-cost sensorsIslamabad, Pakistan
    922.1×
  26. 26ShenyangLiaoning, China
    912.1×
  27. 27Kathmandulow-cost sensorsBagmati Province, Nepal
    912.0×
  28. 27Abujalow-cost sensorsFCT, Nigeria
    912.0×
  29. 29HualpénBiobio, Chile
    912.0×
  30. 30MexicaliBaja California, Mexico
    881.9×
  31. 31Karachilow-cost sensorsSindh, Pakistan
    881.9×
  32. 32Puerto VarasLos Lagos Region, Chile
    861.9×
  33. 33Kampalalow-cost sensorsCentral Region, Uganda
    861.8×
  34. 34TetovoTetovo, North Macedonia
    851.8×
  35. 34KōkaShiga, Japan
    851.8×
  36. 36SarajevoFederation of B&H, Bosnia and Herzegovina
    851.8×
  37. 37SantiagoSantiago Metropolitan, Chile
    831.8×
  38. 37QuillotaValparaiso, Chile
    831.8×
  39. 39AntananarivoAnalamanga, Madagascar
    831.7×
  40. 39TalaganteSantiago Metropolitan, Chile
    831.7×
  41. 41HualquiBiobio, Chile
    821.7×
  42. 42CoquimboCoquimbo Region, Chile
    801.6×
  43. 43Queenstown Estatelow-cost sensorsSingapore
    791.6×
  44. 44ValdiviaLos Ríos Region, Chile
    791.6×
  45. 45ConakryConakry, Guinea
    771.5×
  46. 46SkopjeGrad Skopje, North Macedonia
    771.5×
  47. 47BakuBaki, Azerbaijan
    771.5×
  48. 47Asunciónlow-cost sensorsAsuncion, Paraguay
    771.5×
  49. 47QuinteroValparaiso, Chile
    771.5×
  50. 47Victoria de DurangoDurango, Mexico
    771.5×
  51. 51AthensAttica, Greece
    761.5×
  52. 51Puente AltoSantiago Metropolitan, Chile
    761.5×
  53. 53AntofagastaAntofagasta, Chile
    761.5×
  54. 54Viña del MarValparaiso, Chile
    751.5×
  55. 54La SerenaCoquimbo Region, Chile
    751.5×
  56. 56TijuanaBaja California, Mexico
    751.5×
  57. 56Ciudad Benito JuárezNuevo León, Mexico
    751.5×
  58. 58CuricóMaule Region, Chile
    741.4×
  59. 59TocopillaAntofagasta, Chile
    741.4×
  60. 60Bang Bo DistrictSamut Prakan, Thailand
    741.4×
  61. 60TemucoAraucania, Chile
    741.4×
  62. 60RancaguaO'Higgins Region, Chile
    741.4×
  63. 63Almatylow-cost sensorsAlmaty, Kazakhstan
    741.4×
  64. 64AricaArica y Parinacota Region, Chile
    731.4×
  65. 65CopiapóAtacama, Chile
    721.4×
  66. 66ConcónValparaiso, Chile
    721.4×
  67. 67Tha BoNong Khai, Thailand
    721.4×
  68. 67AlgiersAlgiers, Algeria
    721.4×
  69. 67NacimientoBiobio, Chile
    721.4×
  70. 70IlindenIlinden, North Macedonia
    721.3×
  71. 71CoyhaiqueAysén, Chile
    711.3×
  72. 72Samut SakhonSamut Sakhon, Thailand
    711.3×
  73. 72BangkokBangkok, Thailand
    711.3×
  74. 74ThessaloníkiCentral Macedonia, Greece
    711.3×
  75. 74San CarlosÑuble, Chile
    711.3×
  76. 74Grants PassOregon, United States
    711.3×
  77. 77Nong KhaemBangkok, Thailand
    711.3×
  78. 77ChiguayanteBiobio, Chile
    711.3×
  79. 79CoronelBiobio, Chile
    711.3×
  80. 80AsprópyrgosAttica, Greece
    711.3×
  81. 81NišCentral Serbia, Serbia
    691.3×
  82. 81St. AlbertAlberta, Canada
    691.3×
  83. 83Nakhon PathomNakhon Pathom, Thailand
    691.2×
  84. 83Alto HospicioTarapacá, Chile
    691.2×
  85. 85Puerto MonttLos Lagos Region, Chile
    691.2×
  86. 85OsornoLos Lagos Region, Chile
    691.2×
  87. 85La UniónLos Ríos Region, Chile
    691.2×
  88. 88RuseRuse, Bulgaria
    681.2×
  89. 88Phra PradaengSamut Prakan, Thailand
    681.2×
  90. 88La OrotavaCanary Islands, Spain
    681.2×
  91. 88ToméBiobio, Chile
    681.2×
  92. 92RengoO'Higgins Region, Chile
    681.2×
  93. 93TalcahuanoBiobio, Chile
    671.2×
  94. 93Los ÁngelesBiobio, Chile
    671.2×
  95. 93CalamaAntofagasta, Chile
    671.2×
  96. 96QuilpuéValparaiso, Chile
    671.2×
  97. 96ChillánÑuble, Chile
    671.2×
  98. 98LotaBiobio, Chile
    671.2×
  99. 99FunchalMadeira, Portugal
    661.1×
  100. 100CuencaCastille-La Mancha, Spain
    661.1×
  101. 101CauquenesMaule Region, Chile
    661.1×
  102. 102Samut PrakanSamut Prakan, Thailand
    661.1×
  103. 102TalcaMaule Region, Chile
    661.1×
  104. 104WoodlandsSingapore
    651.1×
  105. 104MurciaMurcia, Spain
    651.1×
  106. 106Addis AbabaAddis Ababa, Ethiopia
    651.1×
  107. 106San Salvador TizatlalliMéxico, Mexico
    651.1×
  108. 108ŻabbarĦaż-Żabbar, Malta
    651.1×
  109. 108AnaheimCalifornia, United States
    651.1×
  110. 110KhalándrionAttica, Greece
    651.1×
  111. 111Mueang NonthaburiNonthaburi, Thailand
    651.1×
  112. 111AlessandriaPiedmont, Italy
    651.1×
  113. 111SalamancaGuanajuato, Mexico
    651.1×
  114. 111San Pedro de la PazBiobio, Chile
    651.1×
  115. 115Granadilla de AbonaCanary Islands, Spain
    641.1×
  116. 115SliemaTas-Sliema, Malta
    641.1×
  117. 115Jurupa ValleyCalifornia, United States
    641.1×
  118. 118San Francisco TlalcilalcalpanMéxico, Mexico
    641.1×
  119. 119AcharnésAttica, Greece
    641.1×
  120. 120BitolaBitola, North Macedonia
    641.1×
  121. 121Mollet del VallèsCatalonia, Spain
    631.1×
  122. 122MiskolcBorsod-Abaúj-Zemplén, Hungary
    631.0×
  123. 122TolucaMéxico, Mexico
    631.0×
  124. 124La Línea de la ConcepciónAndalusia, Spain
    631.0×
  125. 124CuranilahueBiobio, Chile
    631.0×
  126. 126Ciudad ApodacaNuevo León, Mexico
    621.0×
  127. 126ComptonCalifornia, United States
    621.0×
  128. 126San Francisco De BorjaLima region, Peru
    621.0×
  129. 129Khlong LuangPathum Thani, Thailand
    621.0×
  130. 129ConcepciónBiobio, Chile
    621.0×
  131. 131Kuala LumpurKuala Lumpur, Malaysia
    621.0×
  132. 131TurinPiedmont, Italy
    621.0×
  133. 133JeddahMecca Region, Saudi Arabia
    621.0×
  134. 133BucharestBucharest, Romania
    621.0×
  135. 133KasaokaOkayama, Japan
    621.0×
  136. 133GranadaAndalusia, Spain
    621.0×
  137. 133CartagenaMurcia, Spain
    621.0×
  138. 133MóstolesMadrid, Spain
    621.0×
  139. 133Santa CatarinaNuevo León, Mexico
    621.0×
  140. 140MonterreyNuevo León, Mexico
    621.0×
  141. 141BelgradeCentral Serbia, Serbia
    611.0×
  142. 142PátraWest Greece, Greece
    611.0×
  143. 142VelesVeles, North Macedonia
    611.0×
  144. 142Long BeachCalifornia, United States
    611.0×
  145. 145NyíregyházaSzabolcs-Szatmár-Bereg, Hungary
    611.0×
  146. 145CórdobaAndalusia, Spain
    611.0×
  147. 145Civitanova MarcheThe Marches, Italy
    611.0×
  148. 148KavadarciKavadarci, North Macedonia
    611.0×
  149. 148ValdemoroMadrid, Spain
    611.0×
  150. 148ManlleuCatalonia, Spain
    611.0×
  151. 148AlgeteMadrid, Spain
    611.0×
  152. 148Alcalá de HenaresMadrid, Spain
    611.0×
  153. 148CalexicoCalifornia, United States
    611.0×
  154. 154PiraeusAttica, Greece
    610.9×
  155. 154Medina del CampoCastille and León, Spain
    610.9×
  156. 156HuelvaAndalusia, Spain
    600.9×
  157. 157Jurong WestSingapore
    600.9×
  158. 157San RoqueAndalusia, Spain
    600.9×
  159. 159FresnoCalifornia, United States
    600.9×
  160. 160VisaliaCalifornia, United States
    600.9×
  161. 160EugeneOregon, United States
    600.9×
  162. 162Botevgradlow-cost sensorsSofia, Bulgaria
    600.9×
  163. 162Tanushimarumachi-toyokiFukuoka, Japan
    600.9×
  164. 164Maebaru-chūōFukuoka, Japan
    590.9×
  165. 164BailénAndalusia, Spain
    590.9×
  166. 164RiversideCalifornia, United States
    590.9×
  167. 164NeyagawaOsaka, Japan
    590.9×
  168. 168MostaIl-Mosta, Malta
    590.9×
  169. 168BakersfieldCalifornia, United States
    590.9×
  170. 168Carson CityNevada, United States
    590.9×
  171. 171IyoEhime, Japan
    590.9×
  172. 172Ciudad General EscobedoNuevo León, Mexico
    590.9×
  173. 173MadridMadrid, Spain
    580.9×
  174. 173Collado-VillalbaMadrid, Spain
    580.9×
  175. 173BarcelonaCatalonia, Spain
    580.9×
  176. 173YachiyoChiba, Japan
    580.9×
  177. 177SofiaSofia-Capital, Bulgaria
    580.9×
  178. 177SevillaAndalusia, Spain
    580.9×
  179. 177RoseburgOregon, United States
    580.9×
  180. 180HanfordCalifornia, United States
    580.9×
  181. 180SalemOregon, United States
    580.9×
  182. 182KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    580.8×
  183. 182Nara-shiNara, Japan
    580.8×
  184. 182JaénAndalusia, Spain
    580.8×
  185. 185NaplesCampania, Italy
    580.8×
  186. 186FukuyamaHiroshima, Japan
    570.8×
  187. 186NagaiYamagata, Japan
    570.8×
  188. 186CártamaAndalusia, Spain
    570.8×
  189. 186Cadereyta JiménezNuevo León, Mexico
    570.8×
  190. 190Falconara MarittimaThe Marches, Italy
    570.8×
  191. 190CorcoranCalifornia, United States
    570.8×
  192. 190MimaTokushima, Japan
    570.8×
  193. 193Las Palmas de Gran CanariaCanary Islands, Spain
    570.8×
  194. 194MinamataKumamoto, Japan
    570.8×
  195. 194Puerto AysénAysén, Chile
    570.8×
  196. 196Santa Cruz de TenerifeCanary Islands, Spain
    570.8×
  197. 197HikariYamaguchi, Japan
    560.8×
  198. 197San IsidroCanary Islands, Spain
    560.8×
  199. 197CuernavacaMorelos, Mexico
    560.8×
  200. 197HillsboroOregon, United States
    560.8×

Top 200 of 1,830 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 15, 2023, smogrank.com/history/2023-10-15 (accessed 2 Oct 2026).

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