SmogRank / History / January 2024

Most polluted cities, January 2024

1,960 cities ranked by their average PM2.5 over the 31 days; the worst was Peshawar, Pakistan, at 293.9 µg/m³. A city needs measurements on 70% of the days to be ranked.

  1. 1Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    293.9
  2. 2Lahorelow-cost sensorsPunjab, Pakistan
    254.3
  3. 3DelhiDelhi, India
    243.4
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    207.9
  5. 5KolkataWest Bengal, India
    185.9
  6. 6Islamabadlow-cost sensorsIslamabad, Pakistan
    174.6
  7. 7Ulan BatorUlaanbaatar, Mongolia
    135.9
  8. 8Abujalow-cost sensorsFCT, Nigeria
    114.8
  9. 9Karachilow-cost sensorsSindh, Pakistan
    98.1
  10. 10Kathmandulow-cost sensorsBagmati Province, Nepal
    80.7
  11. 11PljevljaPljevlja, Montenegro
    79.2
  12. 12Banja LukaSrpska, Bosnia and Herzegovina
    78.1
  13. 13MumbaiMaharashtra, India
    77.9
  14. 14HyderabadTelangana, India
    75.0
  15. 15SarajevoFederation of B&H, Bosnia and Herzegovina
    73.8
  16. 16CairoCairo, Egypt
    71.7
  17. 17SalorTashkent Region, Uzbekistan
    68.9
  18. 18Kampalalow-cost sensorsCentral Region, Uganda
    68.0
  19. 19TetovoTetovo, North Macedonia
    63.8
  20. 20KigaliKigali, Rwanda
    62.8
  21. 21KavadarciKavadarci, North Macedonia
    58.8
  22. 22DushanbeDushanbe, Tajikistan
    58.1
  23. 23NišCentral Serbia, Serbia
    56.0
  24. 24Almatylow-cost sensorsAlmaty, Kazakhstan
    54.5
  25. 25LazarevacCentral Serbia, Serbia
    53.3
  26. 26ShenyangLiaoning, China
    52.0
  27. 27ChennaiTamil Nadu, India
    51.8
  28. 28VelesVeles, North Macedonia
    49.2
  29. 29Bangkoklow-cost sensorsBangkok, Thailand
    47.7
  30. 30BitolaBitola, North Macedonia
    47.1
  31. 31YangonYangon, Myanmar
    47.0
  32. 32PančevoVojvodina, Serbia
    43.9
  33. 32BeijingBeijing, China
    43.9
  34. 34HanoiHanoi, Vietnam
    43.3
  35. 35SkopjeGrad Skopje, North Macedonia
    42.8
  36. 36GuangzhouGuangdong, China
    42.0
  37. 37DejCluj County, Romania
    40.7
  38. 37DębicaSubcarpathia, Poland
    40.7
  39. 39DziałdowoWarmia-Masuria, Poland
    39.8
  40. 40Ban Khlong Prawetlow-cost sensorsBangkok, Thailand
    39.7
  41. 41CapannoriTuscany, Italy
    39.6
  42. 42PodgoricaPodgorica, Montenegro
    38.2
  43. 43ZemunCentral Serbia, Serbia
    38.1
  44. 44Skarżysko-KamiennaŚwiętokrzyskie, Poland
    37.3
  45. 45Chiang Mailow-cost sensorsChiang Mai, Thailand
    36.8
  46. 46IlindenIlinden, North Macedonia
    36.7
  47. 46OpoleOpole Voivodeship, Poland
    36.7
  48. 48Jastrzębie ZdrójSilesia, Poland
    36.4
  49. 49RacibórzSilesia, Poland
    35.8
  50. 50ZgierzŁódź Voivodeship, Poland
    35.7
  51. 51AlessandriaPiedmont, Italy
    35.4
  52. 52KłodzkoLower Silesia, Poland
    35.3
  53. 53MielecSubcarpathia, Poland
    35.2
  54. 54ObrenovacCentral Serbia, Serbia
    34.9
  55. 55Kędzierzyn-KoźleOpole Voivodeship, Poland
    34.5
  56. 56SremčicaCentral Serbia, Serbia
    34.4
  57. 57BelgradeCentral Serbia, Serbia
    34.0
  58. 58Wan ChaiWan Chai, Hong Kong
    33.9
  59. 58NysaOpole Voivodeship, Poland
    33.9
  60. 60MiskolcBorsod-Abaúj-Zemplén, Hungary
    32.8
  61. 61Czechowice-DziedziceSilesia, Poland
    32.7
  62. 62FredrikstadØstfold, Norway
    32.6
  63. 63Tuen MunTuen Mun, Hong Kong
    32.0
  64. 63ManlleuCatalonia, Spain
    32.0
  65. 65RadomskoŁódź Voivodeship, Poland
    31.7
  66. 65Bielsko-BialaSilesia, Poland
    31.7
  67. 67Ceglie MessapicaApulia, Italy
    31.2
  68. 68AugustówPodlasie, Poland
    30.9
  69. 69Haskovolow-cost sensorsHaskovo, Bulgaria
    30.5
  70. 70Sevlievolow-cost sensorsGabrovo, Bulgaria
    30.4
  71. 71KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    30.3
  72. 71ColomboWestern Province, Sri Lanka
    30.3
  73. 73PristinaPristina, Kosovo
    30.1
  74. 74Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    30.0
  75. 75PesaroThe Marches, Italy
    29.9
  76. 76CallaoCallao, Peru
    29.7
  77. 77KochaniKochani, North Macedonia
    29.5
  78. 78KatowiceSilesia, Poland
    29.1
  79. 79ŁaskŁódź Voivodeship, Poland
    29.0
  80. 80KrakówLesser Poland, Poland
    28.8
  81. 81StarachowiceŚwiętokrzyskie, Poland
    28.2
  82. 82ThessaloníkiCentral Macedonia, Greece
    27.9
  83. 83KościanGreater Poland, Poland
    27.8
  84. 84Şabāḩ as SālimMubārak al Kabīr, Kuwait
    27.7
  85. 85HavířovMoravian-Silesian Region, Czechia
    27.6
  86. 85LimaLima Province, Peru
    27.6
  87. 87AstanaAstana, Kazakhstan
    27.5
  88. 88Cluj-NapocaCluj County, Romania
    27.3
  89. 88Jelenia GóraLower Silesia, Poland
    27.3
  90. 90JakartaJakarta, Indonesia
    27.2
  91. 91Mong KokYau Tsim Mong District, Hong Kong
    27.1
  92. 91VictoriaCentral and Western, Hong Kong
    27.1
  93. 91MontemurloTuscany, Italy
    27.1
  94. 91BorgomaneroPiedmont, Italy
    27.1
  95. 95JarosławSubcarpathia, Poland
    27.0
  96. 95CelayaGuanajuato, Mexico
    27.0
  97. 97WłocławekKujawsko-Pomorskie, Poland
    26.9
  98. 98NiskoSubcarpathia, Poland
    26.8
  99. 99OlomoucOlomouc Region, Czechia
    26.7
  100. 100DěčínÚstí nad Labem Region, Czechia
    26.6
  101. 100BerounCentral Bohemia, Czechia
    26.6
  102. 102Tin Shui WaiYuen Long, Hong Kong
    26.4
  103. 103Addis AbabaAddis Ababa, Ethiopia
    26.3
  104. 104San Tung Chung HangIslands, Hong Kong
    26.2
  105. 104KutnoŁódź Voivodeship, Poland
    26.2
  106. 106PrzemyślSubcarpathia, Poland
    26.1
  107. 106BohumínMoravian-Silesian Region, Czechia
    26.1
  108. 106OurenseGalicia, Spain
    26.1
  109. 109Spišská Nová VesKošice Region, Slovakia
    25.9
  110. 109KaliszGreater Poland, Poland
    25.9
  111. 111VolosThessaly, Greece
    25.6
  112. 112KrosnoSubcarpathia, Poland
    25.3
  113. 112Novi SadVojvodina, Serbia
    25.3
  114. 114IaşiIași County, Romania
    25.2
  115. 115PruszkówMazovia, Poland
    25.0
  116. 115PřerovOlomouc Region, Czechia
    25.0
  117. 117Sau Mau PingKwun Tong District, Hong Kong
    24.8
  118. 118LęborkPomerania, Poland
    24.7
  119. 118Falconara MarittimaThe Marches, Italy
    24.7
  120. 120OpavaMoravian-Silesian Region, Czechia
    24.6
  121. 120Frýdek-MístekMoravian-Silesian Region, Czechia
    24.6
  122. 120SarpsborgØstfold, Norway
    24.6
  123. 123RzeszówSubcarpathia, Poland
    24.5
  124. 123Tsuen WanTsuen Wan, Hong Kong
    24.5
  125. 123GrazStyria, Austria
    24.5
  126. 126Sham Shui PoSham Shui Po District, Hong Kong
    24.4
  127. 127Santa Anita - Los FicusLima region, Peru
    24.3
  128. 128HamarInnlandet, Norway
    24.1
  129. 128JesiThe Marches, Italy
    24.1
  130. 128BeneventoCampania, Italy
    24.1
  131. 128BadgerAlaska, United States
    24.1
  132. 132HumennéPrešov Region, Slovakia
    24.0
  133. 132LleidaCatalonia, Spain
    24.0
  134. 134PoznańGreater Poland, Poland
    23.9
  135. 135Vranov nad TopľouPrešov Region, Slovakia
    23.6
  136. 136Tai PoTai Po, Hong Kong
    23.5
  137. 136Mollet del VallèsCatalonia, Spain
    23.5
  138. 138KošiceKošice Region, Slovakia
    23.4
  139. 138WrocławLower Silesia, Poland
    23.4
  140. 138KościerzynaPomerania, Poland
    23.4
  141. 141Sha TinSha Tin, Hong Kong
    23.2
  142. 141AnconaThe Marches, Italy
    23.2
  143. 143Botevgradlow-cost sensorsSofia, Bulgaria
    23.1
  144. 143LublinLublin, Poland
    23.1
  145. 145JasłoSubcarpathia, Poland
    23.0
  146. 146ZamośćLublin, Poland
    22.8
  147. 147SallanchesAuvergne-Rhône-Alpes, France
    22.6
  148. 147ŽilinaŽilina Region, Slovakia
    22.6
  149. 147Valašské MeziříčíZlín, Czechia
    22.6
  150. 150České BudějoviceSouth Bohemian Region, Czechia
    22.5
  151. 151ŁukówLublin, Poland
    22.3
  152. 152OstravaMoravian-Silesian Region, Czechia
    22.1
  153. 153Silao de la VictoriaGuanajuato, Mexico
    22.0
  154. 154RadomMazovia, Poland
    21.9
  155. 154PorsgrunnTelemark, Norway
    21.9
  156. 156OtwockMazovia, Poland
    21.7
  157. 156GrajewoPodlasie, Poland
    21.7
  158. 158LegionowoMazovia, Poland
    21.5
  159. 159TepliceÚstí nad Labem Region, Czechia
    21.4
  160. 160AberdeenSouthern District, Hong Kong
    21.3
  161. 161AthensAttica, Greece
    21.2
  162. 161Kwai ChungKwai Tsing District, Hong Kong
    21.2
  163. 161MurciaMurcia, Spain
    21.2
  164. 161Klagenfurt am WörtherseeCarinthia, Austria
    21.2
  165. 161RužomberokŽilina Region, Slovakia
    21.2
  166. 166ZlínZlín, Czechia
    21.1
  167. 166Gorzów WielkopolskiLubusz, Poland
    21.1
  168. 166LillestrømAkershus, Norway
    21.1
  169. 169BiałystokPodlasie, Poland
    21.0
  170. 169DrammenBuskerud, Norway
    21.0
  171. 171SiedlceMazovia, Poland
    20.9
  172. 172TarnówLesser Poland, Poland
    20.8
  173. 172GivorsAuvergne-Rhône-Alpes, France
    20.8
  174. 174PrešovPrešov Region, Slovakia
    20.6
  175. 174TřinecMoravian-Silesian Region, Czechia
    20.6
  176. 174SalamancaGuanajuato, Mexico
    20.6
  177. 177BucharestBucharest, Romania
    20.5
  178. 177SofiaSofia-Capital, Bulgaria
    20.5
  179. 177Romans-sur-IsèreAuvergne-Rhône-Alpes, France
    20.5
  180. 180ŻyrardówMazovia, Poland
    20.4
  181. 180PardubicePardubice Region, Czechia
    20.4
  182. 180Český TěšínMoravian-Silesian Region, Czechia
    20.4
  183. 183Chalon-sur-SaôneBourgogne-Franche-Comté, France
    20.3
  184. 183MostÚstí nad Labem Region, Czechia
    20.3
  185. 185RuseRuse, Bulgaria
    20.2
  186. 185MartinŽilina Region, Slovakia
    20.2
  187. 187PátraWest Greece, Greece
    20.1
  188. 187MonacoMunicipality of Monaco, Monaco
    20.1
  189. 189WolfsbergCarinthia, Austria
    20.0
  190. 189ZnojmoSouth Moravian, Czechia
    20.0
  191. 191TarbesOccitanie, France
    19.9
  192. 191PratoTuscany, Italy
    19.9
  193. 193BakuBaki, Azerbaijan
    19.8
  194. 193BailénAndalusia, Spain
    19.8
  195. 193ŁódźŁódź Voivodeship, Poland
    19.8
  196. 193BydgoszczKujawsko-Pomorskie, Poland
    19.8
  197. 193ViareggioTuscany, Italy
    19.8
  198. 198PraguePrague, Czechia
    19.7
  199. 198IrapuatoGuanajuato, Mexico
    19.7
  200. 200Sainte-Geneviève-des-BoisÎle-de-France, France
    19.6

Top 200 of 1,960 shown.

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