SmogRank / History / August 11, 2023

Most polluted cities on August 11, 2023

1,868 cities ranked by their average PM2.5 over the day; the worst was Puerto Varas, Chile, at 83.6 µg/m³. Each city's own local calendar day.

← Puerto Varas 83.6 µg/m³ 80 µg/m³15 WHO 24-hour guideline
Every city ranked for August 11, 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. 1Puerto VarasLos Lagos Region, Chile
    1715.6×
  2. 2Dhakalow-cost sensorsDhaka Division, Bangladesh
    1624.8×
  3. 3NacimientoBiobio, Chile
    1614.6×
  4. 4KigaliKigali, Rwanda
    1594.5×
  5. 5Puerto MonttLos Lagos Region, Chile
    1544.0×
  6. 6Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1533.9×
  7. 7HanoiHanoi, Vietnam
    1513.7×
  8. 8La UniónLos Ríos Region, Chile
    1483.6×
  9. 9JakartaJakarta, Indonesia
    1473.6×
  10. 9OsornoLos Lagos Region, Chile
    1473.6×
  11. 11Addis AbabaAddis Ababa, Ethiopia
    1463.6×
  12. 12ManamaManama, Bahrain
    1413.5×
  13. 13San CarlosÑuble, Chile
    1373.3×
  14. 14KolkataWest Bengal, India
    1343.3×
  15. 15Lahorelow-cost sensorsPunjab, Pakistan
    1263.0×
  16. 16ValdiviaLos Ríos Region, Chile
    1243.0×
  17. 17ChillánÑuble, Chile
    1233.0×
  18. 18CoyhaiqueAysén, Chile
    1222.9×
  19. 19TalcahuanoBiobio, Chile
    1202.9×
  20. 20LinaresMaule Region, Chile
    1142.7×
  21. 21BeijingBeijing, China
    1122.7×
  22. 22Santa Cruz de TenerifeCanary Islands, Spain
    1102.6×
  23. 23Puerto AysénAysén, Chile
    1082.5×
  24. 24CuricóMaule Region, Chile
    1032.4×
  25. 24CoronelBiobio, Chile
    1032.4×
  26. 26NairobiNairobi County, Kenya
    1002.4×
  27. 27MaspalomasCanary Islands, Spain
    992.3×
  28. 28Kampalalow-cost sensorsCentral Region, Uganda
    982.3×
  29. 28HualquiBiobio, Chile
    982.3×
  30. 30HyderabadTelangana, India
    982.3×
  31. 31ToméBiobio, Chile
    972.3×
  32. 32TalcaMaule Region, Chile
    972.2×
  33. 33DelhiDelhi, India
    972.2×
  34. 34CuranilahueBiobio, Chile
    962.2×
  35. 35BadgerAlaska, United States
    942.2×
  36. 36RengoO'Higgins Region, Chile
    942.1×
  37. 37Granadilla de AbonaCanary Islands, Spain
    942.1×
  38. 38CauquenesMaule Region, Chile
    932.1×
  39. 38MexicaliBaja California, Mexico
    932.1×
  40. 40San Francisco TlalcilalcalpanMéxico, Mexico
    922.1×
  41. 41Ciudad Benito JuárezNuevo León, Mexico
    922.1×
  42. 42DushanbeDushanbe, Tajikistan
    912.0×
  43. 42ArrecifeCanary Islands, Spain
    912.0×
  44. 44FairbanksAlaska, United States
    912.0×
  45. 45ChennaiTamil Nadu, India
    902.0×
  46. 46Islamabadlow-cost sensorsIslamabad, Pakistan
    902.0×
  47. 46Ciudad ApodacaNuevo León, Mexico
    902.0×
  48. 48AlexandriaAlexandria, Egypt
    902.0×
  49. 49CandelariaCanary Islands, Spain
    902.0×
  50. 50San Andrés TuxtlaVeracruz, Mexico
    892.0×
  51. 51TlaquepaqueJalisco, Mexico
    881.9×
  52. 52TalaganteSantiago Metropolitan, Chile
    881.9×
  53. 53CholulaPuebla, Mexico
    871.9×
  54. 54Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    861.9×
  55. 54QuillotaValparaiso, Chile
    861.9×
  56. 54RedmondOregon, United States
    861.9×
  57. 57XonacatlánMéxico, Mexico
    861.8×
  58. 57TolucaMéxico, Mexico
    861.8×
  59. 57Santa CatarinaNuevo León, Mexico
    861.8×
  60. 60TemucoAraucania, Chile
    851.8×
  61. 61IngenioCanary Islands, Spain
    841.8×
  62. 61MonterreyNuevo León, Mexico
    841.8×
  63. 61Santa Anita - Los FicusLima region, Peru
    841.8×
  64. 64Los ÁngelesBiobio, Chile
    831.8×
  65. 65RancaguaO'Higgins Region, Chile
    821.7×
  66. 66SarajevoFederation of B&H, Bosnia and Herzegovina
    821.7×
  67. 67BendOregon, United States
    811.7×
  68. 68ConcepciónBiobio, Chile
    811.7×
  69. 69PristinaPristina, Kosovo
    801.6×
  70. 70AgüimesCanary Islands, Spain
    791.6×
  71. 70CopiapóAtacama, Chile
    791.6×
  72. 72LimaLima Province, Peru
    791.6×
  73. 73AntofagastaAntofagasta, Chile
    781.6×
  74. 74SantiagoSantiago Metropolitan, Chile
    781.6×
  75. 75Karachilow-cost sensorsSindh, Pakistan
    781.6×
  76. 75Puente AltoSantiago Metropolitan, Chile
    781.6×
  77. 77Victoria de DurangoDurango, Mexico
    771.5×
  78. 77San Salvador TizatlalliMéxico, Mexico
    771.5×
  79. 79Nong KhaemBangkok, Thailand
    771.5×
  80. 80Cadereyta JiménezNuevo León, Mexico
    771.5×
  81. 80San Pedro de la PazBiobio, Chile
    771.5×
  82. 82Jardines de la SillaNuevo León, Mexico
    761.5×
  83. 83CoquimboCoquimbo Region, Chile
    751.5×
  84. 84BamakoBamako, Mali
    751.5×
  85. 84ChiguayanteBiobio, Chile
    751.5×
  86. 86AntananarivoAnalamanga, Madagascar
    751.5×
  87. 87La SerenaCoquimbo Region, Chile
    741.4×
  88. 88SliemaTas-Sliema, Malta
    741.4×
  89. 89QuinteroValparaiso, Chile
    741.4×
  90. 90Mexico CityMexico City, Mexico
    711.3×
  91. 91La Línea de la ConcepciónAndalusia, Spain
    711.3×
  92. 92ValdemoroMadrid, Spain
    711.3×
  93. 92VeracruzVeracruz, Mexico
    711.3×
  94. 94Las Palmas de Gran CanariaCanary Islands, Spain
    701.3×
  95. 95Lagoslow-cost sensorsLagos, Nigeria
    701.3×
  96. 96BakuBaki, Azerbaijan
    701.3×
  97. 97ZapopanJalisco, Mexico
    691.3×
  98. 97HollandMichigan, United States
    691.3×
  99. 99Tha BoNong Khai, Thailand
    691.3×
  100. 99MostaIl-Mosta, Malta
    691.3×
  101. 101AlgecirasAndalusia, Spain
    681.2×
  102. 101CelayaGuanajuato, Mexico
    681.2×
  103. 103Tepeji del Río de OcampoHidalgo, Mexico
    681.2×
  104. 104Santa Cruz de la PalmaCanary Islands, Spain
    681.2×
  105. 105Ciudad JuárezChihuahua, Mexico
    681.2×
  106. 106CuernavacaMorelos, Mexico
    681.2×
  107. 106West MemphisArkansas, United States
    681.2×
  108. 108CártamaAndalusia, Spain
    671.2×
  109. 108Le RobertMartinique, Martinique
    671.2×
  110. 110GuangzhouGuangdong, China
    671.2×
  111. 110Puerto del RosarioCanary Islands, Spain
    671.2×
  112. 112RoveretoTrentino-Alto Adige, Italy
    671.2×
  113. 112Le LamentinMartinique, Martinique
    671.2×
  114. 114DębicaSubcarpathia, Poland
    671.2×
  115. 114N'DjamenaN’Djaména, Chad
    671.2×
  116. 114Alcalá de HenaresMadrid, Spain
    671.2×
  117. 117Fort-de-FranceMartinique, Martinique
    661.2×
  118. 117ShintomiMiyazaki, Japan
    661.2×
  119. 119Samut SakhonSamut Sakhon, Thailand
    661.2×
  120. 119GranadaAndalusia, Spain
    661.2×
  121. 121NagoOkinawa, Japan
    661.1×
  122. 121Naucalpan de JuárezMéxico, Mexico
    661.1×
  123. 121TocopillaAntofagasta, Chile
    661.1×
  124. 124SalorTashkent Region, Uzbekistan
    661.1×
  125. 125Bang Bo DistrictSamut Prakan, Thailand
    661.1×
  126. 126Alto HospicioTarapacá, Chile
    661.1×
  127. 127ColomboWestern Province, Sri Lanka
    651.1×
  128. 127OkinawaOkinawa, Japan
    651.1×
  129. 129ConcónValparaiso, Chile
    651.1×
  130. 129CalamaAntofagasta, Chile
    651.1×
  131. 131NahaOkinawa, Japan
    651.1×
  132. 132BensalemPennsylvania, United States
    651.1×
  133. 133Ang Mo Kio New TownSingapore
    651.1×
  134. 133Abujalow-cost sensorsFCT, Nigeria
    651.1×
  135. 133KalamazooMichigan, United States
    651.1×
  136. 136NaplesCampania, Italy
    641.1×
  137. 137DěčínÚstí nad Labem Region, Czechia
    641.1×
  138. 138Phra PradaengSamut Prakan, Thailand
    641.1×
  139. 138MiyakonojōMiyazaki, Japan
    641.1×
  140. 138KobayashiMiyazaki, Japan
    641.1×
  141. 141Wan ChaiWan Chai, Hong Kong
    641.1×
  142. 141MálagaAndalusia, Spain
    641.1×
  143. 143CuencaCastille-La Mancha, Spain
    631.1×
  144. 143TrentoTrentino-Alto Adige, Italy
    631.1×
  145. 143Viña del MarValparaiso, Chile
    631.1×
  146. 146HuelvaAndalusia, Spain
    631.0×
  147. 147LaredoTexas, United States
    631.0×
  148. 148BangkokBangkok, Thailand
    631.0×
  149. 149La OrotavaCanary Islands, Spain
    631.0×
  150. 149Český TěšínMoravian-Silesian Region, Czechia
    631.0×
  151. 149LotaBiobio, Chile
    631.0×
  152. 152AlessandriaPiedmont, Italy
    621.0×
  153. 152PhiladelphiaPennsylvania, United States
    621.0×
  154. 154San RoqueAndalusia, Spain
    621.0×
  155. 154LitvínovÚstí nad Labem Region, Czechia
    621.0×
  156. 154BaytownTexas, United States
    621.0×
  157. 157Collado-VillalbaMadrid, Spain
    621.0×
  158. 157AnconaThe Marches, Italy
    621.0×
  159. 157Eagle PassTexas, United States
    621.0×
  160. 160Santiago de QuerétaroQuerétaro, Mexico
    611.0×
  161. 161San Luis de la PazGuanajuato, Mexico
    611.0×
  162. 162Kathmandulow-cost sensorsBagmati Province, Nepal
    611.0×
  163. 162CantonOhio, United States
    611.0×
  164. 162San Francisco De BorjaLima region, Peru
    611.0×
  165. 165Ulu BedokSingapore
    611.0×
  166. 165ArucasCanary Islands, Spain
    611.0×
  167. 165Villa Poeta José Gálvez BarrenecheaLima region, Peru
    611.0×
  168. 165West MifflinPennsylvania, United States
    611.0×
  169. 169Khlong LuangPathum Thani, Thailand
    600.9×
  170. 169KrakówLesser Poland, Poland
    600.9×
  171. 169WilkinsburgPennsylvania, United States
    600.9×
  172. 172Samut PrakanSamut Prakan, Thailand
    600.9×
  173. 172KaliszGreater Poland, Poland
    600.9×
  174. 172ElizabethNew Jersey, United States
    600.9×
  175. 172WestervilleOhio, United States
    600.9×
  176. 172KirishimaKagoshima, Japan
    600.9×
  177. 177TarnówLesser Poland, Poland
    600.9×
  178. 177ŁukówLublin, Poland
    600.9×
  179. 177TakanabeMiyazaki, Japan
    600.9×
  180. 177PittsburghPennsylvania, United States
    600.9×
  181. 181OlomoucOlomouc Region, Czechia
    600.9×
  182. 182MostÚstí nad Labem Region, Czechia
    590.9×
  183. 182JesiThe Marches, Italy
    590.9×
  184. 184Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    590.9×
  185. 184TakasakiGunma, Japan
    590.9×
  186. 186BolzanoTrentino-Alto Adige, Italy
    590.9×
  187. 186São PauloSão Paulo, Brazil
    590.9×
  188. 186San Juan del RíoQuerétaro, Mexico
    590.9×
  189. 186Fort LauderdaleFlorida, United States
    590.9×
  190. 186HoustonTexas, United States
    590.9×
  191. 191SevillaAndalusia, Spain
    580.9×
  192. 191Jastrzębie ZdrójSilesia, Poland
    580.9×
  193. 191WilmingtonDelaware, United States
    580.9×
  194. 194Bang KapiBangkok, Thailand
    580.9×
  195. 194TsurusakiOita, Japan
    580.9×
  196. 194NakatsuOita, Japan
    580.9×
  197. 194NewarkDelaware, United States
    580.9×
  198. 194SpringfieldOhio, United States
    580.9×
  199. 194MedinaOhio, United States
    580.9×
  200. 194McKeesportPennsylvania, United States
    580.9×

Top 200 of 1,868 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, August 11, 2023, smogrank.com/history/2023-08-11 (accessed 2 Oct 2026).

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