SmogRank / History / 2023

Most polluted cities, 2023

969 cities ranked by their average PM2.5 over the 365 days; the worst was Lahore, Pakistan, at 120.8 µg/m³. A city needs measurements on 70% of the days to be ranked.

  1. 1Lahorelow-cost sensorsPunjab, Pakistan
    120.824.2×
  2. 2DelhiDelhi, India
    95.419.1×
  3. 3Dhakalow-cost sensorsDhaka Division, Bangladesh
    92.318.5×
  4. 4Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    87.817.6×
  5. 5DushanbeDushanbe, Tajikistan
    62.712.5×
  6. 6Islamabadlow-cost sensorsIslamabad, Pakistan
    50.510.1×
  7. 7HyderabadTelangana, India
    47.79.5×
  8. 8Karachilow-cost sensorsSindh, Pakistan
    44.89.0×
  9. 9HanoiHanoi, Vietnam
    41.68.3×
  10. 10Kathmandulow-cost sensorsBagmati Province, Nepal
    39.67.9×
  11. 11SalorTashkent Region, Uzbekistan
    39.57.9×
  12. 12Şabāḩ as SālimMubārak al Kabīr, Kuwait
    38.77.7×
  13. 13MumbaiMaharashtra, India
    37.87.6×
  14. 14BeijingBeijing, China
    36.87.4×
  15. 15Abujalow-cost sensorsFCT, Nigeria
    36.67.3×
  16. 16ShenyangLiaoning, China
    33.86.8×
  17. 17PristinaPristina, Kosovo
    31.96.4×
  18. 18Addis AbabaAddis Ababa, Ethiopia
    30.06.0×
  19. 19GuangzhouGuangdong, China
    27.55.5×
  20. 19Banja LukaSrpska, Bosnia and Herzegovina
    27.55.5×
  21. 21Grande PrairieAlberta, Canada
    26.95.4×
  22. 22Almatylow-cost sensorsAlmaty, Kazakhstan
    24.54.9×
  23. 23CelayaGuanajuato, Mexico
    24.24.8×
  24. 24AntananarivoAnalamanga, Madagascar
    24.04.8×
  25. 25Fort McMurrayAlberta, Canada
    23.84.8×
  26. 26NišCentral Serbia, Serbia
    23.74.7×
  27. 27Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    22.64.5×
  28. 28EdmontonAlberta, Canada
    22.34.5×
  29. 29BakuBaki, Azerbaijan
    22.14.4×
  30. 30SalamancaGuanajuato, Mexico
    21.44.3×
  31. 31JeddahMecca Region, Saudi Arabia
    20.74.1×
  32. 32Fort St. JohnBritish Columbia, Canada
    19.63.9×
  33. 33YangonYangon, Myanmar
    19.33.9×
  34. 34AlessandriaPiedmont, Italy
    18.93.8×
  35. 35ColomboWestern Province, Sri Lanka
    18.53.7×
  36. 35Ciudad JuárezChihuahua, Mexico
    18.53.7×
  37. 37BelgradeCentral Serbia, Serbia
    18.43.7×
  38. 38AthensAttica, Greece
    18.23.6×
  39. 39CalexicoCalifornia, United States
    17.43.5×
  40. 40ThessaloníkiCentral Macedonia, Greece
    17.03.4×
  41. 41León de los AldamaGuanajuato, Mexico
    16.73.3×
  42. 42TijuanaBaja California, Mexico
    16.63.3×
  43. 43AsprópyrgosAttica, Greece
    16.13.2×
  44. 44IrapuatoGuanajuato, Mexico
    15.83.2×
  45. 45HavířovMoravian-Silesian Region, Czechia
    15.73.1×
  46. 46DěčínÚstí nad Labem Region, Czechia
    15.63.1×
  47. 47AlgiersAlgiers, Algeria
    15.43.1×
  48. 48Spišská Nová VesKošice Region, Slovakia
    15.33.1×
  49. 48BohumínMoravian-Silesian Region, Czechia
    15.33.1×
  50. 50Český TěšínMoravian-Silesian Region, Czechia
    15.23.0×
  51. 51SliemaTas-Sliema, Malta
    15.13.0×
  52. 52Ulu BedokSingapore
    15.03.0×
  53. 53PrešovPrešov Region, Slovakia
    14.93.0×
  54. 54AcharnésAttica, Greece
    14.72.9×
  55. 54RuseRuse, Bulgaria
    14.72.9×
  56. 54Botevgradlow-cost sensorsSofia, Bulgaria
    14.72.9×
  57. 54OstravaMoravian-Silesian Region, Czechia
    14.72.9×
  58. 54TurinPiedmont, Italy
    14.72.9×
  59. 54Red DeerAlberta, Canada
    14.72.9×
  60. 60KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    14.62.9×
  61. 60BirminghamAlabama, United States
    14.62.9×
  62. 60Prince GeorgeBritish Columbia, Canada
    14.62.9×
  63. 63Frýdek-MístekMoravian-Silesian Region, Czechia
    14.52.9×
  64. 64Cluj-NapocaCluj County, Romania
    14.22.8×
  65. 64GrazStyria, Austria
    14.22.8×
  66. 64St. AlbertAlberta, Canada
    14.22.8×
  67. 67KošiceKošice Region, Slovakia
    14.12.8×
  68. 67HumennéPrešov Region, Slovakia
    14.12.8×
  69. 67IndianapolisIndiana, United States
    14.12.8×
  70. 70KamloopsBritish Columbia, Canada
    13.92.8×
  71. 71San Luis de la PazGuanajuato, Mexico
    13.82.8×
  72. 71DearbornMichigan, United States
    13.82.8×
  73. 73OlomoucOlomouc Region, Czechia
    13.72.7×
  74. 74Ang Mo Kio New TownSingapore
    13.62.7×
  75. 74Valašské MeziříčíZlín, Czechia
    13.62.7×
  76. 76Haskovolow-cost sensorsHaskovo, Bulgaria
    13.52.7×
  77. 76São PauloSão Paulo, Brazil
    13.52.7×
  78. 78TrnavaTrnava Region, Slovakia
    13.42.7×
  79. 78MartinŽilina Region, Slovakia
    13.42.7×
  80. 80DetroitMichigan, United States
    13.32.7×
  81. 81AbasoloGuanajuato, Mexico
    13.22.6×
  82. 82ŽilinaŽilina Region, Slovakia
    13.12.6×
  83. 82CalgaryAlberta, Canada
    13.12.6×
  84. 84MostÚstí nad Labem Region, Czechia
    13.02.6×
  85. 84GuanajuatoGuanajuato, Mexico
    13.02.6×
  86. 86BakersfieldCalifornia, United States
    12.92.6×
  87. 86HanfordCalifornia, United States
    12.92.6×
  88. 88RužomberokŽilina Region, Slovakia
    12.82.6×
  89. 89PiraeusAttica, Greece
    12.72.5×
  90. 89BucharestBucharest, Romania
    12.72.5×
  91. 89La Línea de la ConcepciónAndalusia, Spain
    12.72.5×
  92. 89TrentoTrentino-Alto Adige, Italy
    12.72.5×
  93. 89Calumet CityIllinois, United States
    12.72.5×
  94. 89Grand RapidsMichigan, United States
    12.72.5×
  95. 89ClevelandOhio, United States
    12.72.5×
  96. 89ComptonCalifornia, United States
    12.72.5×
  97. 97IaşiIași County, Romania
    12.62.5×
  98. 97ClintonIowa, United States
    12.62.5×
  99. 97Rouyn-NorandaQuebec, Canada
    12.62.5×
  100. 97Sherwood ParkAlberta, Canada
    12.62.5×
  101. 101NapervilleIllinois, United States
    12.52.5×
  102. 101KalamazooMichigan, United States
    12.52.5×
  103. 101RedfordMichigan, United States
    12.52.5×
  104. 101West MifflinPennsylvania, United States
    12.52.5×
  105. 105CuencaCastille-La Mancha, Spain
    12.42.5×
  106. 105CantonOhio, United States
    12.42.5×
  107. 105FresnoCalifornia, United States
    12.42.5×
  108. 108Las Palmas de Gran CanariaCanary Islands, Spain
    12.32.5×
  109. 108Sainte-Geneviève-des-BoisÎle-de-France, France
    12.32.5×
  110. 108ZnojmoSouth Moravian, Czechia
    12.32.5×
  111. 108East RidgeTennessee, United States
    12.32.5×
  112. 108JolietIllinois, United States
    12.32.5×
  113. 108ElizabethNew Jersey, United States
    12.32.5×
  114. 108HarrisburgPennsylvania, United States
    12.32.5×
  115. 108LancasterPennsylvania, United States
    12.32.5×
  116. 108Los AngelesCalifornia, United States
    12.32.5×
  117. 108VisaliaCalifornia, United States
    12.32.5×
  118. 118SenicaTrnava Region, Slovakia
    12.22.4×
  119. 118Hradec KrálovéHradec Králové Region, Czechia
    12.22.4×
  120. 118ValdemoroMadrid, Spain
    12.22.4×
  121. 118Little RockArkansas, United States
    12.22.4×
  122. 118RockfordIllinois, United States
    12.22.4×
  123. 118East ChicagoIndiana, United States
    12.22.4×
  124. 118BismarckNorth Dakota, United States
    12.22.4×
  125. 118MedfordOregon, United States
    12.22.4×
  126. 126Vranov nad TopľouPrešov Region, Slovakia
    12.12.4×
  127. 126IzegemFlanders, Belgium
    12.12.4×
  128. 126LitvínovÚstí nad Labem Region, Czechia
    12.12.4×
  129. 126HernandoMississippi, United States
    12.12.4×
  130. 126NorwoodOhio, United States
    12.12.4×
  131. 126HoustonTexas, United States
    12.12.4×
  132. 126West FargoNorth Dakota, United States
    12.12.4×
  133. 126WaukeshaWisconsin, United States
    12.12.4×
  134. 126Jurupa ValleyCalifornia, United States
    12.12.4×
  135. 126RedmondOregon, United States
    12.12.4×
  136. 136Queenstown Estatelow-cost sensorsSingapore
    12.02.4×
  137. 136ZlínZlín, Czechia
    12.02.4×
  138. 136DublinOhio, United States
    12.02.4×
  139. 136VernonBritish Columbia, Canada
    12.02.4×
  140. 140San RoqueAndalusia, Spain
    11.92.4×
  141. 140ZvolenBanská Bystrica Region, Slovakia
    11.92.4×
  142. 140VigoGalicia, Spain
    11.92.4×
  143. 140RoveretoTrentino-Alto Adige, Italy
    11.92.4×
  144. 140HueytownAlabama, United States
    11.92.4×
  145. 140East Saint LouisIllinois, United States
    11.92.4×
  146. 140JeffersonvilleIndiana, United States
    11.92.4×
  147. 140DavenportIowa, United States
    11.92.4×
  148. 140BadgerAlaska, United States
    11.92.4×
  149. 149GyőrGyőr-Moson-Sopron, Hungary
    11.82.4×
  150. 149Mladá BoleslavCentral Bohemia, Czechia
    11.82.4×
  151. 149TexarkanaTexas, United States
    11.82.4×
  152. 149Franklin ParkIllinois, United States
    11.82.4×
  153. 149ShakopeeMinnesota, United States
    11.82.4×
  154. 154SevillaAndalusia, Spain
    11.72.3×
  155. 154WolfsbergCarinthia, Austria
    11.72.3×
  156. 154SallanchesAuvergne-Rhône-Alpes, France
    11.72.3×
  157. 154PécsBaranya, Hungary
    11.72.3×
  158. 154CosladaMadrid, Spain
    11.72.3×
  159. 154BolzanoTrentino-Alto Adige, Italy
    11.72.3×
  160. 154Granite CityIllinois, United States
    11.72.3×
  161. 154LouisvilleKentucky, United States
    11.72.3×
  162. 154WaterlooIowa, United States
    11.72.3×
  163. 154Des PlainesIllinois, United States
    11.72.3×
  164. 154South BendIndiana, United States
    11.72.3×
  165. 165SzegedCsongrád, Hungary
    11.62.3×
  166. 165NitraNitra Region, Slovakia
    11.62.3×
  167. 165ŽideniceSouth Moravian, Czechia
    11.62.3×
  168. 165BaytownTexas, United States
    11.62.3×
  169. 165MolineIllinois, United States
    11.62.3×
  170. 165HollandMichigan, United States
    11.62.3×
  171. 165MinneapolisMinnesota, United States
    11.62.3×
  172. 165LebanonPennsylvania, United States
    11.62.3×
  173. 173LondonOntario, Canada
    11.52.3×
  174. 174EvergemFlanders, Belgium
    11.42.3×
  175. 174PrievidzaTrenčín Region, Slovakia
    11.42.3×
  176. 174Valley StationKentucky, United States
    11.42.3×
  177. 174SpringfieldOhio, United States
    11.42.3×
  178. 174AnkenyIowa, United States
    11.42.3×
  179. 174BloomingtonIllinois, United States
    11.42.3×
  180. 174NorthbrookIllinois, United States
    11.42.3×
  181. 174HammondIndiana, United States
    11.42.3×
  182. 174JenisonMichigan, United States
    11.42.3×
  183. 174Saint PaulMinnesota, United States
    11.42.3×
  184. 174MadisonWisconsin, United States
    11.42.3×
  185. 174South MilwaukeeWisconsin, United States
    11.42.3×
  186. 174Great FallsMontana, United States
    11.42.3×
  187. 187KhalándrionAttica, Greece
    11.32.3×
  188. 187ValenciennesHauts-de-France, France
    11.32.3×
  189. 187Ústí nad LabemÚstí nad Labem Region, Czechia
    11.32.3×
  190. 187Terre HauteIndiana, United States
    11.32.3×
  191. 187ShreveportLouisiana, United States
    11.32.3×
  192. 187DaytonOhio, United States
    11.32.3×
  193. 187YorkPennsylvania, United States
    11.32.3×
  194. 187Port HuronMichigan, United States
    11.32.3×
  195. 187TaylorMichigan, United States
    11.32.3×
  196. 187YpsilantiMichigan, United States
    11.32.3×
  197. 197Sevlievolow-cost sensorsGabrovo, Bulgaria
    11.22.2×
  198. 197Santa Cruz de TenerifeCanary Islands, Spain
    11.22.2×
  199. 197MostaIl-Mosta, Malta
    11.22.2×
  200. 197EsztergomKomárom-Esztergom, Hungary
    11.22.2×

Top 200 of 969 shown.

Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

By country

Austria 14Belgium 25Bulgaria 7Canada 75China 3Czechia 19Finland 8France 80Germany 41Greece 7Hungary 7India 3Ireland 3Italy 5Mexico 9Pakistan 4Portugal 5Romania 3Singapore 5Slovakia 20Spain 46Sweden 5Switzerland 5United Kingdom 5United States 535

Ranked cities in each country, 2023.