SmogRank / History / July 11, 2023

Most polluted cities on July 11, 2023

1,312 cities ranked by their average PM2.5 over the day; the worst was Nacimiento, Chile, at 141.0 µg/m³. Each city's own local calendar day.

← Nacimiento 141.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for July 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. 1NacimientoBiobio, Chile
    2169.4×
  2. 2HualpénBiobio, Chile
    1917.5×
  3. 3Puerto MonttLos Lagos Region, Chile
    1846.8×
  4. 4Puerto VarasLos Lagos Region, Chile
    1826.7×
  5. 5CuranilahueBiobio, Chile
    1806.4×
  6. 6TemucoAraucania, Chile
    1796.4×
  7. 7CuricóMaule Region, Chile
    1756.0×
  8. 8OsornoLos Lagos Region, Chile
    1756.0×
  9. 9Prince GeorgeBritish Columbia, Canada
    1705.5×
  10. 10La UniónLos Ríos Region, Chile
    1675.2×
  11. 11ChillánÑuble, Chile
    1634.8×
  12. 12Fort St. JohnBritish Columbia, Canada
    1604.6×
  13. 13Grande PrairieAlberta, Canada
    1594.4×
  14. 14CoyhaiqueAysén, Chile
    1554.1×
  15. 15TalcahuanoBiobio, Chile
    1523.8×
  16. 16HualquiBiobio, Chile
    1523.8×
  17. 17Los ÁngelesBiobio, Chile
    1453.5×
  18. 18Ceglie MessapicaApulia, Italy
    1433.5×
  19. 19LinaresMaule Region, Chile
    1353.3×
  20. 20RancaguaO'Higgins Region, Chile
    1333.2×
  21. 21RengoO'Higgins Region, Chile
    1273.1×
  22. 22Puerto AysénAysén, Chile
    1233.0×
  23. 23ManamaManama, Bahrain
    1222.9×
  24. 23ChiguayanteBiobio, Chile
    1222.9×
  25. 25CauquenesMaule Region, Chile
    1222.9×
  26. 26CoronelBiobio, Chile
    1212.9×
  27. 27ValdiviaLos Ríos Region, Chile
    1132.7×
  28. 28Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1112.6×
  29. 29SantiagoSantiago Metropolitan, Chile
    1102.6×
  30. 30San Pedro de la PazBiobio, Chile
    1102.6×
  31. 31Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1102.6×
  32. 32TalaganteSantiago Metropolitan, Chile
    1092.6×
  33. 33DelhiDelhi, India
    1082.6×
  34. 34DushanbeDushanbe, Tajikistan
    1052.5×
  35. 35CuencaCastille-La Mancha, Spain
    1042.5×
  36. 36AntananarivoAnalamanga, Madagascar
    1032.4×
  37. 37Karachilow-cost sensorsSindh, Pakistan
    1022.4×
  38. 38Puente AltoSantiago Metropolitan, Chile
    972.3×
  39. 39PristinaPristina, Kosovo
    972.2×
  40. 40San CarlosÑuble, Chile
    962.2×
  41. 41ToméBiobio, Chile
    962.2×
  42. 42ConcepciónBiobio, Chile
    952.2×
  43. 43JakartaJakarta, Indonesia
    942.1×
  44. 44Addis AbabaAddis Ababa, Ethiopia
    932.1×
  45. 45TalcaMaule Region, Chile
    932.1×
  46. 46SalorTashkent Region, Uzbekistan
    892.0×
  47. 46SarajevoFederation of B&H, Bosnia and Herzegovina
    892.0×
  48. 48Dhakalow-cost sensorsDhaka Division, Bangladesh
    892.0×
  49. 49BolzanoTrentino-Alto Adige, Italy
    841.8×
  50. 50JaénAndalusia, Spain
    841.8×
  51. 50QuillotaValparaiso, Chile
    841.8×
  52. 52Bonita SpringsFlorida, United States
    831.7×
  53. 53BailénAndalusia, Spain
    781.6×
  54. 54HanoiHanoi, Vietnam
    781.6×
  55. 55Romans-sur-IsèreAuvergne-Rhône-Alpes, France
    771.5×
  56. 55Alto HospicioTarapacá, Chile
    771.5×
  57. 57Fort LauderdaleFlorida, United States
    771.5×
  58. 58PesaroThe Marches, Italy
    761.5×
  59. 59Islamabadlow-cost sensorsIslamabad, Pakistan
    761.5×
  60. 60TrentoTrentino-Alto Adige, Italy
    761.5×
  61. 61Alcalá de HenaresMadrid, Spain
    751.5×
  62. 62ShenyangLiaoning, China
    751.5×
  63. 63San RoqueAndalusia, Spain
    741.4×
  64. 63ValdemoroMadrid, Spain
    741.4×
  65. 65TrnavaTrnava Region, Slovakia
    741.4×
  66. 66São PauloSão Paulo, Brazil
    741.4×
  67. 67PerpignanOccitanie, France
    741.4×
  68. 68CatañoCataño, Puerto Rico
    741.4×
  69. 69LotaBiobio, Chile
    731.4×
  70. 70ChennaiTamil Nadu, India
    731.4×
  71. 71La Línea de la ConcepciónAndalusia, Spain
    731.4×
  72. 71Ciudad RealCastille-La Mancha, Spain
    731.4×
  73. 73AntofagastaAntofagasta, Chile
    731.4×
  74. 74Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    731.4×
  75. 74ValenceAuvergne-Rhône-Alpes, France
    731.4×
  76. 74MóstolesMadrid, Spain
    731.4×
  77. 77GivorsAuvergne-Rhône-Alpes, France
    721.4×
  78. 77NaplesCampania, Italy
    721.4×
  79. 79OlatheKansas, United States
    721.4×
  80. 80RuseRuse, Bulgaria
    721.3×
  81. 80OndaValencia, Spain
    721.3×
  82. 82BamakoBamako, Mali
    711.3×
  83. 83HyderabadTelangana, India
    711.3×
  84. 83BratislavaBratislava Region, Slovakia
    711.3×
  85. 85Saint-ÉtienneAuvergne-Rhône-Alpes, France
    711.3×
  86. 86Torrejón de ArdozMadrid, Spain
    701.3×
  87. 87West MifflinPennsylvania, United States
    701.3×
  88. 88PrešovPrešov Region, Slovakia
    701.3×
  89. 88BeijingBeijing, China
    701.3×
  90. 88RoveretoTrentino-Alto Adige, Italy
    701.3×
  91. 88Viña del MarValparaiso, Chile
    701.3×
  92. 92TocopillaAntofagasta, Chile
    701.3×
  93. 93les EscaldesEscaldes-Engordany, Andorra
    691.3×
  94. 94ColomboWestern Province, Sri Lanka
    691.3×
  95. 95Clermont-FerrandAuvergne-Rhône-Alpes, France
    691.3×
  96. 95NitraNitra Region, Slovakia
    691.3×
  97. 97Kathmandulow-cost sensorsBagmati Province, Nepal
    691.2×
  98. 97BellinzonaTicino, Switzerland
    691.2×
  99. 97SenicaTrnava Region, Slovakia
    691.2×
  100. 97Coconut CreekFlorida, United States
    691.2×
  101. 101Saint-ChamondAuvergne-Rhône-Alpes, France
    691.2×
  102. 102KošiceKošice Region, Slovakia
    691.2×
  103. 102MeyzieuAuvergne-Rhône-Alpes, France
    691.2×
  104. 104Abujalow-cost sensorsFCT, Nigeria
    681.2×
  105. 104CártamaAndalusia, Spain
    681.2×
  106. 104Delray BeachFlorida, United States
    681.2×
  107. 107FlorenceTuscany, Italy
    681.2×
  108. 107Banja LukaSrpska, Bosnia and Herzegovina
    681.2×
  109. 107CalamaAntofagasta, Chile
    681.2×
  110. 110EldaValencia, Spain
    681.2×
  111. 110LyonAuvergne-Rhône-Alpes, France
    681.2×
  112. 110VeniceFlorida, United States
    681.2×
  113. 113MarratxíBalearic Islands, Spain
    681.2×
  114. 113ModugnoApulia, Italy
    681.2×
  115. 115CraiovaDolj, Romania
    681.2×
  116. 115LuganoTicino, Switzerland
    681.2×
  117. 115JesiThe Marches, Italy
    681.2×
  118. 115BeneventoCampania, Italy
    681.2×
  119. 119Grao de MurviedroValencia, Spain
    671.2×
  120. 119GardanneProvence-Alpes-Côte d'Azur, France
    671.2×
  121. 119Falconara MarittimaThe Marches, Italy
    671.2×
  122. 119ConcónValparaiso, Chile
    671.2×
  123. 123Deerfield BeachFlorida, United States
    671.2×
  124. 123Palm CityFlorida, United States
    671.2×
  125. 123KamloopsBritish Columbia, Canada
    671.2×
  126. 126DavieFlorida, United States
    671.2×
  127. 126MiamiFlorida, United States
    671.2×
  128. 128HuelvaAndalusia, Spain
    671.2×
  129. 129Cluj-NapocaCluj County, Romania
    671.2×
  130. 129TorreviejaValencia, Spain
    671.2×
  131. 129GrenobleAuvergne-Rhône-Alpes, France
    671.2×
  132. 132WellingtonFlorida, United States
    661.2×
  133. 133QuinteroValparaiso, Chile
    661.1×
  134. 134CórdobaAndalusia, Spain
    661.1×
  135. 134SliemaTas-Sliema, Malta
    661.1×
  136. 136La SerenaCoquimbo Region, Chile
    661.1×
  137. 137TetovoTetovo, North Macedonia
    661.1×
  138. 137AlessandriaPiedmont, Italy
    661.1×
  139. 139ToulouseOccitanie, France
    651.1×
  140. 139ChambéryAuvergne-Rhône-Alpes, France
    651.1×
  141. 139AlgeteMadrid, Spain
    651.1×
  142. 142ArezzoTuscany, Italy
    651.1×
  143. 143SevillaAndalusia, Spain
    651.1×
  144. 143PassauBavaria, Germany
    651.1×
  145. 145MarseilleProvence-Alpes-Côte d'Azur, France
    651.1×
  146. 145AvignonProvence-Alpes-Côte d'Azur, France
    651.1×
  147. 145HomesteadFlorida, United States
    651.1×
  148. 148GrazStyria, Austria
    651.1×
  149. 148MartinŽilina Region, Slovakia
    651.1×
  150. 150GranadaAndalusia, Spain
    641.1×
  151. 150WolfsbergCarinthia, Austria
    641.1×
  152. 150WeidenBavaria, Germany
    641.1×
  153. 150LindauBavaria, Germany
    641.1×
  154. 150MulhouseGrand Est, France
    641.1×
  155. 155Ludwigshafen am RheinRheinland-Pfalz, Germany
    641.1×
  156. 155Collado-VillalbaMadrid, Spain
    641.1×
  157. 155Belle GladeFlorida, United States
    641.1×
  158. 158Kempten (Allgäu)Bavaria, Germany
    641.1×
  159. 158Los AngelesCalifornia, United States
    641.1×
  160. 160Lagoslow-cost sensorsLagos, Nigeria
    641.1×
  161. 160BernBern, Switzerland
    641.1×
  162. 160NurembergBavaria, Germany
    641.1×
  163. 160WestonFlorida, United States
    641.1×
  164. 160ComptonCalifornia, United States
    641.1×
  165. 160VernonBritish Columbia, Canada
    641.1×
  166. 166TijuanaBaja California, Mexico
    641.1×
  167. 166ParadiseCalifornia, United States
    641.1×
  168. 166HamiltonOntario, Canada
    641.1×
  169. 169MostaIl-Mosta, Malta
    631.1×
  170. 169FriedrichshafenBaden-Wurttemberg, Germany
    631.1×
  171. 169České BudějoviceSouth Bohemian Region, Czechia
    631.1×
  172. 169BenicàssimValencia, Spain
    631.1×
  173. 169PratoTuscany, Italy
    631.1×
  174. 169PoggibonsiTuscany, Italy
    631.1×
  175. 169MontemurloTuscany, Italy
    631.1×
  176. 176Tha BoNong Khai, Thailand
    631.0×
  177. 177OntinyentValencia, Spain
    631.0×
  178. 177Lauda-KönigshofenBaden-Wurttemberg, Germany
    631.0×
  179. 177SarasotaFlorida, United States
    631.0×
  180. 180CosladaMadrid, Spain
    631.0×
  181. 181NišCentral Serbia, Serbia
    631.0×
  182. 181KolkataWest Bengal, India
    631.0×
  183. 181GapProvence-Alpes-Côte d'Azur, France
    631.0×
  184. 181AnnemasseAuvergne-Rhône-Alpes, France
    631.0×
  185. 181BerounCentral Bohemia, Czechia
    631.0×
  186. 186TraunreutBavaria, Germany
    631.0×
  187. 186KonstanzBaden-Wurttemberg, Germany
    631.0×
  188. 186TurinPiedmont, Italy
    631.0×
  189. 186CopiapóAtacama, Chile
    631.0×
  190. 190AsprópyrgosAttica, Greece
    621.0×
  191. 190Salon-de-ProvenceProvence-Alpes-Côte d'Azur, France
    621.0×
  192. 190CapannoriTuscany, Italy
    621.0×
  193. 190HoustonTexas, United States
    621.0×
  194. 190WilkinsburgPennsylvania, United States
    621.0×
  195. 190FontanaCalifornia, United States
    621.0×
  196. 196AnsbachBavaria, Germany
    621.0×
  197. 196AnnecyAuvergne-Rhône-Alpes, France
    621.0×
  198. 196León de los AldamaGuanajuato, Mexico
    621.0×
  199. 196CantonOhio, United States
    621.0×
  200. 200AugsburgBavaria, Germany
    621.0×

Top 200 of 1,312 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, July 11, 2023, smogrank.com/history/2023-07-11 (accessed 2 Oct 2026).

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