SmogRank / History / July 13, 2023

Most polluted cities on July 13, 2023

1,270 cities ranked by their average PM2.5 over the day; the worst was Fort McMurray, Canada, at 169.5 µg/m³. Each city's own local calendar day.

Bad-air episodes during July 13, 2023. All episodes.

← Fort McMurray 169.5 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for July 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. 1Fort McMurrayAlberta, Canada
    24511.3×
  2. 2CoyhaiqueAysén, Chile
    2169.4×
  3. 3NacimientoBiobio, Chile
    2119.1×
  4. 4HualpénBiobio, Chile
    1856.9×
  5. 5CuranilahueBiobio, Chile
    1806.5×
  6. 6ManamaManama, Bahrain
    1776.2×
  7. 7Los ÁngelesBiobio, Chile
    1735.8×
  8. 8TemucoAraucania, Chile
    1695.4×
  9. 9EdmontonAlberta, Canada
    1655.1×
  10. 10SaguenayQuebec, Canada
    1645.0×
  11. 11HualquiBiobio, Chile
    1634.9×
  12. 12OsornoLos Lagos Region, Chile
    1634.8×
  13. 13ChillánÑuble, Chile
    1624.8×
  14. 14Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1614.7×
  15. 15San CarlosÑuble, Chile
    1604.6×
  16. 16Red DeerAlberta, Canada
    1554.0×
  17. 17Puerto AysénAysén, Chile
    1543.9×
  18. 18AirdrieAlberta, Canada
    1523.8×
  19. 19TalcahuanoBiobio, Chile
    1523.8×
  20. 20CalgaryAlberta, Canada
    1503.7×
  21. 21TalcaMaule Region, Chile
    1453.6×
  22. 22La UniónLos Ríos Region, Chile
    1433.5×
  23. 23DushanbeDushanbe, Tajikistan
    1403.4×
  24. 24JakartaJakarta, Indonesia
    1373.4×
  25. 24ValdiviaLos Ríos Region, Chile
    1373.4×
  26. 26RancaguaO'Higgins Region, Chile
    1313.2×
  27. 27RengoO'Higgins Region, Chile
    1293.1×
  28. 28Puerto MonttLos Lagos Region, Chile
    1293.1×
  29. 29ToméBiobio, Chile
    1283.1×
  30. 30CoronelBiobio, Chile
    1233.0×
  31. 31Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1222.9×
  32. 32LinaresMaule Region, Chile
    1202.9×
  33. 33Addis AbabaAddis Ababa, Ethiopia
    1192.9×
  34. 34CauquenesMaule Region, Chile
    1142.7×
  35. 35TalaganteSantiago Metropolitan, Chile
    1132.7×
  36. 36ShenyangLiaoning, China
    1112.6×
  37. 37Dhakalow-cost sensorsDhaka Division, Bangladesh
    1102.6×
  38. 38SaskatoonSaskatchewan, Canada
    1102.6×
  39. 39ChiguayanteBiobio, Chile
    1092.6×
  40. 40St. AlbertAlberta, Canada
    1082.6×
  41. 41BakuBaki, Azerbaijan
    1082.6×
  42. 42Puerto VarasLos Lagos Region, Chile
    1062.5×
  43. 43L'Ancienne-LoretteQuebec, Canada
    1052.5×
  44. 44CuricóMaule Region, Chile
    1022.4×
  45. 45Karachilow-cost sensorsSindh, Pakistan
    992.3×
  46. 46ConcepciónBiobio, Chile
    982.3×
  47. 47Fort St. JohnBritish Columbia, Canada
    972.2×
  48. 48San Pedro de la PazBiobio, Chile
    962.2×
  49. 49QuébecQuebec, Canada
    952.2×
  50. 50SantiagoSantiago Metropolitan, Chile
    942.2×
  51. 51BamakoBamako, Mali
    932.1×
  52. 52PristinaPristina, Kosovo
    932.1×
  53. 53HanoiHanoi, Vietnam
    902.0×
  54. 54Swift CurrentSaskatchewan, Canada
    892.0×
  55. 55Medicine HatAlberta, Canada
    881.9×
  56. 56DelhiDelhi, India
    861.9×
  57. 57CopiapóAtacama, Chile
    841.8×
  58. 58AthensAttica, Greece
    831.8×
  59. 59ReginaSaskatchewan, Canada
    811.7×
  60. 60AlgiersAlgiers, Algeria
    801.7×
  61. 61SalorTashkent Region, Uzbekistan
    801.7×
  62. 62SarajevoFederation of B&H, Bosnia and Herzegovina
    801.6×
  63. 63QuillotaValparaiso, Chile
    791.6×
  64. 64EldaValencia, Spain
    781.6×
  65. 65CoquimboCoquimbo Region, Chile
    771.6×
  66. 66La SerenaCoquimbo Region, Chile
    761.5×
  67. 66Prince AlbertSaskatchewan, Canada
    761.5×
  68. 68AntofagastaAntofagasta, Chile
    761.5×
  69. 69HyderabadTelangana, India
    751.5×
  70. 70ChennaiTamil Nadu, India
    751.5×
  71. 71Islamabadlow-cost sensorsIslamabad, Pakistan
    751.5×
  72. 72AsprópyrgosAttica, Greece
    751.5×
  73. 73PiraeusAttica, Greece
    741.4×
  74. 74Puente AltoSantiago Metropolitan, Chile
    741.4×
  75. 75QuinteroValparaiso, Chile
    731.4×
  76. 75AricaArica y Parinacota Region, Chile
    731.4×
  77. 77CelayaGuanajuato, Mexico
    731.4×
  78. 78Alto HospicioTarapacá, Chile
    721.3×
  79. 79NiceProvence-Alpes-Côte d'Azur, France
    711.3×
  80. 79Viña del MarValparaiso, Chile
    711.3×
  81. 79CatañoCataño, Puerto Rico
    711.3×
  82. 82Lagoslow-cost sensorsLagos, Nigeria
    711.3×
  83. 82León de los AldamaGuanajuato, Mexico
    711.3×
  84. 84ConcónValparaiso, Chile
    711.3×
  85. 85SalamancaGuanajuato, Mexico
    701.3×
  86. 85LethbridgeAlberta, Canada
    701.3×
  87. 87LotaBiobio, Chile
    701.3×
  88. 87PortlandMaine, United States
    701.3×
  89. 89CraiovaDolj, Romania
    691.3×
  90. 90IrapuatoGuanajuato, Mexico
    691.3×
  91. 91AcharnésAttica, Greece
    691.3×
  92. 91BridgeportConnecticut, United States
    691.3×
  93. 93Jurong WestSingapore
    691.2×
  94. 93BastiaCorsica, France
    691.2×
  95. 93BensalemPennsylvania, United States
    691.2×
  96. 96RuseRuse, Bulgaria
    681.2×
  97. 97ThessaloníkiCentral Macedonia, Greece
    681.2×
  98. 98BucharestBucharest, Romania
    681.2×
  99. 99AntananarivoAnalamanga, Madagascar
    671.2×
  100. 100Corpus ChristiTexas, United States
    671.2×
  101. 101La Línea de la ConcepciónAndalusia, Spain
    661.2×
  102. 102CannesProvence-Alpes-Côte d'Azur, France
    661.1×
  103. 103Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    661.1×
  104. 104KhalándrionAttica, Greece
    651.1×
  105. 105MonacoMunicipality of Monaco, Monaco
    651.1×
  106. 106AbasoloGuanajuato, Mexico
    651.1×
  107. 107LancasterPennsylvania, United States
    651.1×
  108. 108PrešovPrešov Region, Slovakia
    651.1×
  109. 109GuangzhouGuangdong, China
    641.1×
  110. 109Le LamentinMartinique, Martinique
    641.1×
  111. 109TocopillaAntofagasta, Chile
    641.1×
  112. 109LindenNew Jersey, United States
    641.1×
  113. 113TorreviejaValencia, Spain
    641.1×
  114. 113White PlainsNew York, United States
    641.1×
  115. 115HoustonTexas, United States
    641.1×
  116. 115Jersey CityNew Jersey, United States
    641.1×
  117. 117Nong KhaemBangkok, Thailand
    641.1×
  118. 117Fort-de-FranceMartinique, Martinique
    641.1×
  119. 119Bang Bo DistrictSamut Prakan, Thailand
    631.1×
  120. 119MostaIl-Mosta, Malta
    631.1×
  121. 119HaverhillMassachusetts, United States
    631.1×
  122. 119HarrisburgPennsylvania, United States
    631.1×
  123. 123MontbéliardBourgogne-Franche-Comté, France
    631.0×
  124. 124CalamaAntofagasta, Chile
    631.0×
  125. 124BostonMassachusetts, United States
    631.0×
  126. 124ShawiniganQuebec, Canada
    631.0×
  127. 127Las Palmas de Gran CanariaCanary Islands, Spain
    631.0×
  128. 128Phra PradaengSamut Prakan, Thailand
    631.0×
  129. 128New York CityNew York, United States
    631.0×
  130. 130Almatylow-cost sensorsAlmaty, Kazakhstan
    621.0×
  131. 130PhiladelphiaPennsylvania, United States
    621.0×
  132. 132San RoqueAndalusia, Spain
    621.0×
  133. 132EdinburgTexas, United States
    621.0×
  134. 132Fort LeeNew Jersey, United States
    621.0×
  135. 132PatersonNew Jersey, United States
    621.0×
  136. 136Khlong LuangPathum Thani, Thailand
    621.0×
  137. 136MálagaAndalusia, Spain
    621.0×
  138. 136ArrecifeCanary Islands, Spain
    621.0×
  139. 136WorcesterMassachusetts, United States
    621.0×
  140. 140BeijingBeijing, China
    621.0×
  141. 140AlbanyNew York, United States
    621.0×
  142. 142Haskovolow-cost sensorsHaskovo, Bulgaria
    621.0×
  143. 142BrocktonMassachusetts, United States
    621.0×
  144. 142Great FallsMontana, United States
    621.0×
  145. 145PennsaukenNew Jersey, United States
    611.0×
  146. 146West MifflinPennsylvania, United States
    611.0×
  147. 147HartfordConnecticut, United States
    611.0×
  148. 147PortsmouthNew Hampshire, United States
    611.0×
  149. 149Kathmandulow-cost sensorsBagmati Province, Nepal
    611.0×
  150. 149Banja LukaSrpska, Bosnia and Herzegovina
    611.0×
  151. 149WaterburyConnecticut, United States
    611.0×
  152. 152Cluj-NapocaCluj County, Romania
    611.0×
  153. 152Missouri CityTexas, United States
    611.0×
  154. 154New LondonConnecticut, United States
    610.9×
  155. 155OntinyentValencia, Spain
    600.9×
  156. 155Toms RiverNew Jersey, United States
    600.9×
  157. 157TetovoTetovo, North Macedonia
    600.9×
  158. 157CuencaCastille-La Mancha, Spain
    600.9×
  159. 157KamloopsBritish Columbia, Canada
    600.9×
  160. 160PylaíaCentral Macedonia, Greece
    600.9×
  161. 160BaltimoreMaryland, United States
    600.9×
  162. 160Port ArthurTexas, United States
    600.9×
  163. 163VeszprémVeszprém, Hungary
    600.9×
  164. 164Winston-SalemNorth Carolina, United States
    590.9×
  165. 164RichmondVirginia, United States
    590.9×
  166. 164SpringfieldVirginia, United States
    590.9×
  167. 164LowellMassachusetts, United States
    590.9×
  168. 164QuincyMassachusetts, United States
    590.9×
  169. 164DerryNew Hampshire, United States
    590.9×
  170. 170Samut SakhonSamut Sakhon, Thailand
    590.9×
  171. 170La OrotavaCanary Islands, Spain
    590.9×
  172. 170NewarkDelaware, United States
    590.9×
  173. 170Fort LauderdaleFlorida, United States
    590.9×
  174. 174WashingtonDistrict of Columbia, United States
    590.9×
  175. 174GreensboroNorth Carolina, United States
    590.9×
  176. 174SpringfieldMassachusetts, United States
    590.9×
  177. 174ScrantonPennsylvania, United States
    590.9×
  178. 178ScaggsvilleMaryland, United States
    590.9×
  179. 178SpartanburgSouth Carolina, United States
    590.9×
  180. 178BaytownTexas, United States
    590.9×
  181. 178Rose HillVirginia, United States
    590.9×
  182. 182KaunasKaunas, Lithuania
    590.9×
  183. 182KošiceKošice Region, Slovakia
    590.9×
  184. 182PleasantvilleNew Jersey, United States
    590.9×
  185. 182LebanonPennsylvania, United States
    590.9×
  186. 186Spišská Nová VesKošice Region, Slovakia
    580.9×
  187. 186BangkokBangkok, Thailand
    580.9×
  188. 186Abujalow-cost sensorsFCT, Nigeria
    580.9×
  189. 186New HavenConnecticut, United States
    580.9×
  190. 190NišCentral Serbia, Serbia
    580.9×
  191. 190AlmeríaAndalusia, Spain
    580.9×
  192. 190AgüimesCanary Islands, Spain
    580.9×
  193. 190Grao de MurviedroValencia, Spain
    580.9×
  194. 190TijuanaBaja California, Mexico
    580.9×
  195. 190Palm CityFlorida, United States
    580.9×
  196. 190South VinelandNew Jersey, United States
    580.9×
  197. 197BitolaBitola, North Macedonia
    580.9×
  198. 197VeniceFlorida, United States
    580.9×
  199. 197DanburyConnecticut, United States
    580.9×
  200. 197LynnMassachusetts, United States
    580.9×

Top 200 of 1,270 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 13, 2023, smogrank.com/history/2023-07-13 (accessed 2 Oct 2026).

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