SmogRank / History / July 3, 2023

Most polluted cities on July 3, 2023

1,473 cities ranked by their average PM2.5 over the day; the worst was Dushanbe, Tajikistan, at 97.4 µg/m³. Each city's own local calendar day.

← Dushanbe 97.4 µg/m³ 90 µg/m³15 WHO 24-hour guideline
Every city ranked for July 3, 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. 1DushanbeDushanbe, Tajikistan
    1806.5×
  2. 2CoyhaiqueAysén, Chile
    1614.7×
  3. 3RancaguaO'Higgins Region, Chile
    1564.2×
  4. 4TalaganteSantiago Metropolitan, Chile
    1554.0×
  5. 5RengoO'Higgins Region, Chile
    1523.8×
  6. 6SantiagoSantiago Metropolitan, Chile
    1493.7×
  7. 7JakartaJakarta, Indonesia
    1483.6×
  8. 8DelhiDelhi, India
    1333.2×
  9. 9SalorTashkent Region, Uzbekistan
    1283.1×
  10. 10Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1243.0×
  11. 11Puente AltoSantiago Metropolitan, Chile
    1243.0×
  12. 12Lahorelow-cost sensorsPunjab, Pakistan
    1042.4×
  13. 12HualquiBiobio, Chile
    1042.4×
  14. 14CuricóMaule Region, Chile
    1032.4×
  15. 15BeijingBeijing, China
    992.3×
  16. 16Dhakalow-cost sensorsDhaka Division, Bangladesh
    982.3×
  17. 16QuillotaValparaiso, Chile
    982.3×
  18. 18Puerto AysénAysén, Chile
    942.2×
  19. 19Islamabadlow-cost sensorsIslamabad, Pakistan
    932.1×
  20. 20TemucoAraucania, Chile
    912.0×
  21. 21CuranilahueBiobio, Chile
    892.0×
  22. 22OsornoLos Lagos Region, Chile
    892.0×
  23. 23AntofagastaAntofagasta, Chile
    871.9×
  24. 24NacimientoBiobio, Chile
    861.9×
  25. 25PristinaPristina, Kosovo
    861.9×
  26. 26Addis AbabaAddis Ababa, Ethiopia
    851.8×
  27. 27ChennaiTamil Nadu, India
    851.8×
  28. 28QuinteroValparaiso, Chile
    821.7×
  29. 29KolkataWest Bengal, India
    821.7×
  30. 29CoronelBiobio, Chile
    821.7×
  31. 31ConcónValparaiso, Chile
    811.7×
  32. 32AnkenyIowa, United States
    811.7×
  33. 33CauquenesMaule Region, Chile
    801.7×
  34. 34Karachilow-cost sensorsSindh, Pakistan
    801.6×
  35. 35Şabāḩ as SālimMubārak al Kabīr, Kuwait
    781.6×
  36. 35AntananarivoAnalamanga, Madagascar
    781.6×
  37. 37NairobiNairobi County, Kenya
    781.6×
  38. 38La UniónLos Ríos Region, Chile
    771.5×
  39. 39TopekaKansas, United States
    771.5×
  40. 40LinaresMaule Region, Chile
    771.5×
  41. 41SocorroTexas, United States
    761.5×
  42. 42Puerto VarasLos Lagos Region, Chile
    761.5×
  43. 43Viña del MarValparaiso, Chile
    751.5×
  44. 44Puerto MonttLos Lagos Region, Chile
    751.5×
  45. 45ChillánÑuble, Chile
    741.4×
  46. 46TocopillaAntofagasta, Chile
    741.4×
  47. 47HanoiHanoi, Vietnam
    731.4×
  48. 48SarajevoFederation of B&H, Bosnia and Herzegovina
    731.4×
  49. 48WaterlooIowa, United States
    731.4×
  50. 50Saint JosephMissouri, United States
    731.4×
  51. 51La SerenaCoquimbo Region, Chile
    721.4×
  52. 51CoquimboCoquimbo Region, Chile
    721.4×
  53. 51CopiapóAtacama, Chile
    721.4×
  54. 54TalcaMaule Region, Chile
    721.4×
  55. 54AricaArica y Parinacota Region, Chile
    721.4×
  56. 54L'Ancienne-LoretteQuebec, Canada
    721.4×
  57. 57Rouyn-NorandaQuebec, Canada
    711.3×
  58. 58CalamaAntofagasta, Chile
    701.3×
  59. 59CelayaGuanajuato, Mexico
    701.3×
  60. 60Alto HospicioTarapacá, Chile
    701.3×
  61. 61FontanaCalifornia, United States
    701.3×
  62. 62OttawaOntario, Canada
    691.3×
  63. 63MuscatineIowa, United States
    691.3×
  64. 63Los AngelesCalifornia, United States
    691.3×
  65. 65LotaBiobio, Chile
    691.3×
  66. 65San Luis de la PazGuanajuato, Mexico
    691.3×
  67. 65KingstonOntario, Canada
    691.3×
  68. 68AthensAttica, Greece
    691.2×
  69. 69Kansas CityKansas, United States
    691.2×
  70. 70HuelvaAndalusia, Spain
    691.2×
  71. 71ShawiniganQuebec, Canada
    681.2×
  72. 72ChiguayanteBiobio, Chile
    681.2×
  73. 73ValdiviaLos Ríos Region, Chile
    681.2×
  74. 73GlendoraCalifornia, United States
    681.2×
  75. 73Fort St. JohnBritish Columbia, Canada
    681.2×
  76. 76HollandMichigan, United States
    671.2×
  77. 77MorrisvilleNorth Carolina, United States
    671.2×
  78. 77AirdrieAlberta, Canada
    671.2×
  79. 77San Pedro de la PazBiobio, Chile
    671.2×
  80. 80RaleighNorth Carolina, United States
    671.2×
  81. 80BarrieOntario, Canada
    671.2×
  82. 82SpringfieldIllinois, United States
    671.2×
  83. 82Kansas CityMissouri, United States
    671.2×
  84. 84DavenportIowa, United States
    661.2×
  85. 85SalamancaGuanajuato, Mexico
    661.1×
  86. 86QuébecQuebec, Canada
    661.1×
  87. 87ValdostaGeorgia, United States
    661.1×
  88. 87CornwallOntario, Canada
    661.1×
  89. 89AshgabatAshgabat, Turkmenistan
    661.1×
  90. 90AsprópyrgosAttica, Greece
    651.1×
  91. 90MinneapolisMinnesota, United States
    651.1×
  92. 92PesaroThe Marches, Italy
    651.1×
  93. 93RuseRuse, Bulgaria
    651.1×
  94. 93Great FallsMontana, United States
    651.1×
  95. 95KanchanaburiKanchanaburi, Thailand
    651.1×
  96. 95San RoqueAndalusia, Spain
    651.1×
  97. 95OcalaFlorida, United States
    651.1×
  98. 95BurnsvilleMinnesota, United States
    651.1×
  99. 95South MilwaukeeWisconsin, United States
    651.1×
  100. 95MontréalQuebec, Canada
    651.1×
  101. 101Red DeerAlberta, Canada
    651.1×
  102. 102New OrleansLouisiana, United States
    641.1×
  103. 102FayettevilleNorth Carolina, United States
    641.1×
  104. 104TalcahuanoBiobio, Chile
    641.1×
  105. 104LafayetteIndiana, United States
    641.1×
  106. 104BellevilleOntario, Canada
    641.1×
  107. 107La Línea de la ConcepciónAndalusia, Spain
    641.1×
  108. 107Grande PrairieAlberta, Canada
    641.1×
  109. 109AcharnésAttica, Greece
    641.1×
  110. 109JolietIllinois, United States
    641.1×
  111. 111ŽideniceSouth Moravian, Czechia
    641.1×
  112. 111Des MoinesIowa, United States
    641.1×
  113. 111MolineIllinois, United States
    641.1×
  114. 111KamloopsBritish Columbia, Canada
    641.1×
  115. 115RockfordIllinois, United States
    631.1×
  116. 116Los ÁngelesBiobio, Chile
    631.0×
  117. 116Jurupa ValleyCalifornia, United States
    631.0×
  118. 118Khlong LuangPathum Thani, Thailand
    631.0×
  119. 118San CarlosÑuble, Chile
    631.0×
  120. 118NogalesSonora, Mexico
    631.0×
  121. 118OlatheKansas, United States
    631.0×
  122. 118ArnoldMissouri, United States
    631.0×
  123. 118ShakopeeMinnesota, United States
    631.0×
  124. 118Long BeachCalifornia, United States
    631.0×
  125. 125IzegemFlanders, Belgium
    631.0×
  126. 125ToméBiobio, Chile
    631.0×
  127. 125Roanoke RapidsNorth Carolina, United States
    631.0×
  128. 125ParadiseCalifornia, United States
    631.0×
  129. 129DuluthMinnesota, United States
    631.0×
  130. 130TijuanaBaja California, Mexico
    631.0×
  131. 130Silao de la VictoriaGuanajuato, Mexico
    631.0×
  132. 130AlbanyGeorgia, United States
    631.0×
  133. 130Saint PaulMinnesota, United States
    631.0×
  134. 134ShenyangLiaoning, China
    621.0×
  135. 134KaliszGreater Poland, Poland
    621.0×
  136. 134Iowa CityIowa, United States
    621.0×
  137. 134Grand RapidsMichigan, United States
    621.0×
  138. 134SuperiorWisconsin, United States
    621.0×
  139. 134Rivière-des-Prairies–Pointe-aux-TremblesQuebec, Canada
    621.0×
  140. 140AlessandriaPiedmont, Italy
    621.0×
  141. 140Lomitalow-cost sensorsCalifornia, United States
    621.0×
  142. 140RiversideCalifornia, United States
    621.0×
  143. 143PrešovPrešov Region, Slovakia
    621.0×
  144. 143CórdobaAndalusia, Spain
    621.0×
  145. 143MartinŽilina Region, Slovakia
    621.0×
  146. 143ComptonCalifornia, United States
    621.0×
  147. 143PeterboroughOntario, Canada
    621.0×
  148. 148HavířovMoravian-Silesian Region, Czechia
    621.0×
  149. 148TallahasseeFlorida, United States
    621.0×
  150. 148ClintonIowa, United States
    621.0×
  151. 148Saint MichaelMinnesota, United States
    621.0×
  152. 148BrawleyCalifornia, United States
    621.0×
  153. 148Carsonlow-cost sensorsCalifornia, United States
    621.0×
  154. 154Nong KhaemBangkok, Thailand
    621.0×
  155. 154Český TěšínMoravian-Silesian Region, Czechia
    621.0×
  156. 156SaguenayQuebec, Canada
    611.0×
  157. 157SliemaTas-Sliema, Malta
    611.0×
  158. 157DecaturIllinois, United States
    611.0×
  159. 157Baton RougeLouisiana, United States
    611.0×
  160. 157SpringfieldMissouri, United States
    611.0×
  161. 157FlorenceSouth Carolina, United States
    611.0×
  162. 157BellevueNebraska, United States
    611.0×
  163. 163NitraNitra Region, Slovakia
    611.0×
  164. 164KhalándrionAttica, Greece
    611.0×
  165. 164Wan ChaiWan Chai, Hong Kong
    611.0×
  166. 164Falconara MarittimaThe Marches, Italy
    611.0×
  167. 164ClaytonNorth Carolina, United States
    611.0×
  168. 164PleasantvilleNew Jersey, United States
    611.0×
  169. 164St. John'sNewfoundland and Labrador, Canada
    611.0×
  170. 170NišCentral Serbia, Serbia
    611.0×
  171. 170VigoGalicia, Spain
    611.0×
  172. 170CuencaCastille-La Mancha, Spain
    611.0×
  173. 170RoveretoTrentino-Alto Adige, Italy
    611.0×
  174. 170HammondIndiana, United States
    611.0×
  175. 170Santa ClaritaCalifornia, United States
    611.0×
  176. 176SenicaTrnava Region, Slovakia
    610.9×
  177. 176GuanajuatoGuanajuato, Mexico
    610.9×
  178. 176East LakeFlorida, United States
    610.9×
  179. 176DurhamNorth Carolina, United States
    610.9×
  180. 176GreenvilleNorth Carolina, United States
    610.9×
  181. 176BrossardQuebec, Canada
    610.9×
  182. 176DrummondvilleQuebec, Canada
    610.9×
  183. 176EdmontonAlberta, Canada
    610.9×
  184. 184Jastrzębie ZdrójSilesia, Poland
    600.9×
  185. 185PřerovOlomouc Region, Czechia
    600.9×
  186. 185East HamptonVirginia, United States
    600.9×
  187. 185LincolnNebraska, United States
    600.9×
  188. 185Green BayWisconsin, United States
    600.9×
  189. 185AnaheimCalifornia, United States
    600.9×
  190. 190TrentoTrentino-Alto Adige, Italy
    600.9×
  191. 190SpringdaleArkansas, United States
    600.9×
  192. 190MadisonWisconsin, United States
    600.9×
  193. 190MilwaukeeWisconsin, United States
    600.9×
  194. 194TepliceÚstí nad Labem Region, Czechia
    600.9×
  195. 194HattiesburgMississippi, United States
    600.9×
  196. 196TrnavaTrnava Region, Slovakia
    600.9×
  197. 196ChesapeakeVirginia, United States
    600.9×
  198. 196Des PlainesIllinois, United States
    600.9×
  199. 196Greater SudburyOntario, Canada
    600.9×
  200. 196Trois-RivièresQuebec, Canada
    600.9×

Top 200 of 1,473 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 3, 2023, smogrank.com/history/2023-07-03 (accessed 2 Oct 2026).

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