SmogRank / History / July 6, 2023

Most polluted cities on July 6, 2023

1,305 cities ranked by their average PM2.5 over the day; the worst was Hualpén, Chile, at 105.0 µg/m³. Each city's own local calendar day.

← Hualpén 105.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for July 6, 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. 1HualpénBiobio, Chile
    1867.0×
  2. 2Puerto VarasLos Lagos Region, Chile
    1796.3×
  3. 3Puerto AysénAysén, Chile
    1705.5×
  4. 4NacimientoBiobio, Chile
    1675.2×
  5. 5OsornoLos Lagos Region, Chile
    1634.8×
  6. 6JakartaJakarta, Indonesia
    1604.5×
  7. 7AnconaThe Marches, Italy
    1594.5×
  8. 7La UniónLos Ríos Region, Chile
    1594.5×
  9. 9CuricóMaule Region, Chile
    1584.3×
  10. 10Puerto MonttLos Lagos Region, Chile
    1554.0×
  11. 11Fort St. JohnBritish Columbia, Canada
    1533.9×
  12. 12RengoO'Higgins Region, Chile
    1523.8×
  13. 13San CarlosÑuble, Chile
    1523.8×
  14. 14CoyhaiqueAysén, Chile
    1493.7×
  15. 15TalcahuanoBiobio, Chile
    1423.5×
  16. 16RancaguaO'Higgins Region, Chile
    1413.4×
  17. 17TemucoAraucania, Chile
    1353.3×
  18. 18CauquenesMaule Region, Chile
    1323.2×
  19. 19DushanbeDushanbe, Tajikistan
    1303.1×
  20. 20ChiguayanteBiobio, Chile
    1233.0×
  21. 21TalcaMaule Region, Chile
    1202.9×
  22. 22ValdiviaLos Ríos Region, Chile
    1132.7×
  23. 22CuranilahueBiobio, Chile
    1132.7×
  24. 24ManamaManama, Bahrain
    1112.6×
  25. 25ToméBiobio, Chile
    1102.6×
  26. 26ChillánÑuble, Chile
    1072.5×
  27. 27ConcepciónBiobio, Chile
    1032.4×
  28. 28Los ÁngelesBiobio, Chile
    1022.4×
  29. 29SantiagoSantiago Metropolitan, Chile
    992.3×
  30. 30CoronelBiobio, Chile
    992.3×
  31. 31HualquiBiobio, Chile
    992.3×
  32. 32SarajevoFederation of B&H, Bosnia and Herzegovina
    962.2×
  33. 33Addis AbabaAddis Ababa, Ethiopia
    962.2×
  34. 33TalaganteSantiago Metropolitan, Chile
    962.2×
  35. 35Grande PrairieAlberta, Canada
    952.2×
  36. 36ShenyangLiaoning, China
    952.2×
  37. 37Puente AltoSantiago Metropolitan, Chile
    942.1×
  38. 38QuillotaValparaiso, Chile
    932.1×
  39. 39LinaresMaule Region, Chile
    932.1×
  40. 40Karachilow-cost sensorsSindh, Pakistan
    932.1×
  41. 41San Pedro de la PazBiobio, Chile
    922.1×
  42. 42São PauloSão Paulo, Brazil
    881.9×
  43. 43Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    871.9×
  44. 44AntananarivoAnalamanga, Madagascar
    861.9×
  45. 44EdmontonAlberta, Canada
    861.9×
  46. 46Şabāḩ as SālimMubārak al Kabīr, Kuwait
    851.8×
  47. 47Santa Anita - Los FicusLima region, Peru
    841.8×
  48. 48LimaLima Province, Peru
    841.8×
  49. 49Dhakalow-cost sensorsDhaka Division, Bangladesh
    841.8×
  50. 50Alto HospicioTarapacá, Chile
    831.8×
  51. 51SalorTashkent Region, Uzbekistan
    821.7×
  52. 52PristinaPristina, Kosovo
    821.7×
  53. 53Viña del MarValparaiso, Chile
    811.7×
  54. 53AntofagastaAntofagasta, Chile
    811.7×
  55. 55DelhiDelhi, India
    801.6×
  56. 56La SerenaCoquimbo Region, Chile
    781.6×
  57. 56CoquimboCoquimbo Region, Chile
    781.6×
  58. 58Prince GeorgeBritish Columbia, Canada
    771.5×
  59. 59Red DeerAlberta, Canada
    761.5×
  60. 60Islamabadlow-cost sensorsIslamabad, Pakistan
    761.5×
  61. 61TocopillaAntofagasta, Chile
    751.5×
  62. 62ConcónValparaiso, Chile
    741.4×
  63. 63AricaArica y Parinacota Region, Chile
    741.4×
  64. 64ChennaiTamil Nadu, India
    731.4×
  65. 65L'Ancienne-LoretteQuebec, Canada
    731.4×
  66. 66JeddahMecca Region, Saudi Arabia
    721.3×
  67. 66BelgradeCentral Serbia, Serbia
    721.3×
  68. 66CopiapóAtacama, Chile
    721.3×
  69. 69West MifflinPennsylvania, United States
    711.3×
  70. 70QuinteroValparaiso, Chile
    711.3×
  71. 71CelayaGuanajuato, Mexico
    711.3×
  72. 71San Francisco De BorjaLima region, Peru
    711.3×
  73. 73Samut SakhonSamut Sakhon, Thailand
    701.3×
  74. 74LotaBiobio, Chile
    701.3×
  75. 74SalamancaGuanajuato, Mexico
    701.3×
  76. 76KamloopsBritish Columbia, Canada
    701.3×
  77. 77AuburnWashington, United States
    691.3×
  78. 78IndioCalifornia, United States
    691.2×
  79. 79AlbanyNew York, United States
    691.2×
  80. 80Bang Bo DistrictSamut Prakan, Thailand
    681.2×
  81. 81PortlandMaine, United States
    681.2×
  82. 81QuébecQuebec, Canada
    681.2×
  83. 83Los AngelesCalifornia, United States
    681.2×
  84. 84ThorntonColorado, United States
    671.2×
  85. 85PesaroThe Marches, Italy
    671.2×
  86. 85Fort LauderdaleFlorida, United States
    671.2×
  87. 87VigoGalicia, Spain
    671.2×
  88. 88BeijingBeijing, China
    661.2×
  89. 89Kathmandulow-cost sensorsBagmati Province, Nepal
    661.1×
  90. 89Le LamentinMartinique, Martinique
    661.1×
  91. 91Le RobertMartinique, Martinique
    661.1×
  92. 91Fort-de-FranceMartinique, Martinique
    661.1×
  93. 93CalamaAntofagasta, Chile
    661.1×
  94. 93León de los AldamaGuanajuato, Mexico
    661.1×
  95. 93Ciudad JuárezChihuahua, Mexico
    661.1×
  96. 96DenverColorado, United States
    651.1×
  97. 97ElizabethNew Jersey, United States
    651.1×
  98. 97Fort McMurrayAlberta, Canada
    651.1×
  99. 99VilniusVilnius, Lithuania
    651.1×
  100. 99Phra PradaengSamut Prakan, Thailand
    651.1×
  101. 101ParadiseCalifornia, United States
    651.1×
  102. 102ColomboWestern Province, Sri Lanka
    641.1×
  103. 102GranadaAndalusia, Spain
    641.1×
  104. 104ScrantonPennsylvania, United States
    641.1×
  105. 105BangkokBangkok, Thailand
    641.1×
  106. 105GreenfieldMassachusetts, United States
    641.1×
  107. 107TallahasseeFlorida, United States
    641.1×
  108. 108CantonOhio, United States
    641.1×
  109. 109ShorelineWashington, United States
    631.0×
  110. 110MostaIl-Mosta, Malta
    631.0×
  111. 110HomesteadFlorida, United States
    631.0×
  112. 110SpringfieldMassachusetts, United States
    631.0×
  113. 110WorcesterMassachusetts, United States
    631.0×
  114. 114RentonWashington, United States
    631.0×
  115. 114GranbyQuebec, Canada
    631.0×
  116. 116La Línea de la ConcepciónAndalusia, Spain
    631.0×
  117. 116CuencaCastille-La Mancha, Spain
    631.0×
  118. 116ShawiniganQuebec, Canada
    631.0×
  119. 119SliemaTas-Sliema, Malta
    621.0×
  120. 119HarrisburgPennsylvania, United States
    621.0×
  121. 119SaguenayQuebec, Canada
    621.0×
  122. 122Bang KapiBangkok, Thailand
    621.0×
  123. 123Columbia CityWashington, United States
    621.0×
  124. 123SeattleWashington, United States
    621.0×
  125. 125PittsfieldMassachusetts, United States
    621.0×
  126. 126AcharnésAttica, Greece
    611.0×
  127. 126LowellMassachusetts, United States
    611.0×
  128. 126KeeneNew Hampshire, United States
    611.0×
  129. 126ClevelandOhio, United States
    611.0×
  130. 126Sherwood ParkAlberta, Canada
    611.0×
  131. 131HumennéPrešov Region, Slovakia
    611.0×
  132. 132MiamiFlorida, United States
    611.0×
  133. 132BensalemPennsylvania, United States
    611.0×
  134. 132BrawleyCalifornia, United States
    611.0×
  135. 135Falconara MarittimaThe Marches, Italy
    611.0×
  136. 135HollandMichigan, United States
    611.0×
  137. 135DerryNew Hampshire, United States
    611.0×
  138. 135BrossardQuebec, Canada
    611.0×
  139. 139Collado-VillalbaMadrid, Spain
    611.0×
  140. 139PatersonNew Jersey, United States
    611.0×
  141. 139St. AlbertAlberta, Canada
    611.0×
  142. 142HartfordConnecticut, United States
    610.9×
  143. 142BangorMaine, United States
    610.9×
  144. 142LewistonMaine, United States
    610.9×
  145. 142DrummondvilleQuebec, Canada
    610.9×
  146. 146AthensAttica, Greece
    600.9×
  147. 146MóstolesMadrid, Spain
    600.9×
  148. 146WashingtonDistrict of Columbia, United States
    600.9×
  149. 149AbasoloGuanajuato, Mexico
    600.9×
  150. 149Coconut CreekFlorida, United States
    600.9×
  151. 149WaterburyConnecticut, United States
    600.9×
  152. 149BurlingtonVermont, United States
    600.9×
  153. 149RiversideCalifornia, United States
    600.9×
  154. 149MontréalQuebec, Canada
    600.9×
  155. 149SquamishBritish Columbia, Canada
    600.9×
  156. 156PrešovPrešov Region, Slovakia
    600.9×
  157. 156Villa Poeta José Gálvez BarrenecheaLima region, Peru
    600.9×
  158. 156Jurupa ValleyCalifornia, United States
    600.9×
  159. 156RedmondOregon, United States
    600.9×
  160. 160GuangzhouGuangdong, China
    600.9×
  161. 160MontgomeryAlabama, United States
    600.9×
  162. 160CatañoCataño, Puerto Rico
    600.9×
  163. 160TrentonNew Jersey, United States
    600.9×
  164. 160RutlandVermont, United States
    600.9×
  165. 160BridgeportConnecticut, United States
    600.9×
  166. 166BaltimoreMaryland, United States
    600.9×
  167. 166Santa ClaritaCalifornia, United States
    600.9×
  168. 166BurnabyBritish Columbia, Canada
    600.9×
  169. 169Delray BeachFlorida, United States
    590.9×
  170. 169WilkinsburgPennsylvania, United States
    590.9×
  171. 171VeszprémVeszprém, Hungary
    590.9×
  172. 171San Luis de la PazGuanajuato, Mexico
    590.9×
  173. 171Deerfield BeachFlorida, United States
    590.9×
  174. 171North ChicopeeMassachusetts, United States
    590.9×
  175. 171FontanaCalifornia, United States
    590.9×
  176. 176AstanaAstana, Kazakhstan
    590.9×
  177. 176AlessandriaPiedmont, Italy
    590.9×
  178. 176SteubenvilleOhio, United States
    590.9×
  179. 176HamiltonOntario, Canada
    590.9×
  180. 180AsprópyrgosAttica, Greece
    590.9×
  181. 180KaunasKaunas, Lithuania
    590.9×
  182. 180SninaPrešov Region, Slovakia
    590.9×
  183. 180DavieFlorida, United States
    590.9×
  184. 180BremertonWashington, United States
    590.9×
  185. 185Samut PrakanSamut Prakan, Thailand
    590.9×
  186. 185Khlong LuangPathum Thani, Thailand
    590.9×
  187. 185BostonMassachusetts, United States
    590.9×
  188. 185BurbankCalifornia, United States
    590.9×
  189. 189KhalándrionAttica, Greece
    580.9×
  190. 189CártamaAndalusia, Spain
    580.9×
  191. 189CalexicoCalifornia, United States
    580.9×
  192. 189GlendoraCalifornia, United States
    580.9×
  193. 189Rivière-des-Prairies–Pointe-aux-TremblesQuebec, Canada
    580.9×
  194. 194San RoqueAndalusia, Spain
    580.9×
  195. 194AlgeteMadrid, Spain
    580.9×
  196. 194ModugnoApulia, Italy
    580.9×
  197. 194WarrenOhio, United States
    580.9×
  198. 194La Crescenta-Montroselow-cost sensorsCalifornia, United States
    580.9×
  199. 199ToledoCastille-La Mancha, Spain
    580.9×
  200. 199IrapuatoGuanajuato, Mexico
    580.9×

Top 200 of 1,305 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 6, 2023, smogrank.com/history/2023-07-06 (accessed 2 Oct 2026).

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