SmogRank / History / January 2, 2024

Most polluted cities on January 2, 2024

1,762 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 285.0 µg/m³. Each city's own local calendar day.

← Lahore 285.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for January 2, 2024, 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. 1Lahorelow-cost sensorsPunjab, Pakistan
    42019.0×
  2. 2Dhakalow-cost sensorsDhaka Division, Bangladesh
    28714.1×
  3. 3DelhiDelhi, India
    28213.8×
  4. 4KolkataWest Bengal, India
    24511.3×
  5. 5Islamabadlow-cost sensorsIslamabad, Pakistan
    23810.9×
  6. 6Ulan BatorUlaanbaatar, Mongolia
    23110.4×
  7. 7SalorTashkent Region, Uzbekistan
    2048.6×
  8. 8Karachilow-cost sensorsSindh, Pakistan
    1937.7×
  9. 9ShenyangLiaoning, China
    1907.4×
  10. 10MumbaiMaharashtra, India
    1897.3×
  11. 11HyderabadTelangana, India
    1836.7×
  12. 12TetovoTetovo, North Macedonia
    1826.7×
  13. 13KavadarciKavadarci, North Macedonia
    1735.8×
  14. 14SkopjeGrad Skopje, North Macedonia
    1725.7×
  15. 15Abujalow-cost sensorsFCT, Nigeria
    1685.3×
  16. 16VelesVeles, North Macedonia
    1665.1×
  17. 17Haskovolow-cost sensorsHaskovo, Bulgaria
    1634.8×
  18. 18DushanbeDushanbe, Tajikistan
    1604.6×
  19. 19Banja LukaSrpska, Bosnia and Herzegovina
    1594.5×
  20. 20VolosThessaly, Greece
    1574.3×
  21. 21IlindenIlinden, North Macedonia
    1554.1×
  22. 22ChennaiTamil Nadu, India
    1544.0×
  23. 23NišCentral Serbia, Serbia
    1533.8×
  24. 24Kathmandulow-cost sensorsBagmati Province, Nepal
    1523.8×
  25. 25GuangzhouGuangdong, China
    1513.7×
  26. 26YangonYangon, Myanmar
    1483.6×
  27. 27ThessaloníkiCentral Macedonia, Greece
    1403.4×
  28. 28KochaniKochani, North Macedonia
    1373.3×
  29. 29KigaliKigali, Rwanda
    1283.1×
  30. 30Tuen MunTuen Mun, Hong Kong
    1243.0×
  31. 31Samut SakhonSamut Sakhon, Thailand
    1222.9×
  32. 32BitolaBitola, North Macedonia
    1202.9×
  33. 32Nakhon PathomNakhon Pathom, Thailand
    1202.9×
  34. 32Wan ChaiWan Chai, Hong Kong
    1202.9×
  35. 35ManlleuCatalonia, Spain
    1142.7×
  36. 36Nong KhaemBangkok, Thailand
    1132.7×
  37. 36TlaquepaqueJalisco, Mexico
    1132.7×
  38. 38Tin Shui WaiYuen Long, Hong Kong
    1092.6×
  39. 39Mong KokYau Tsim Mong District, Hong Kong
    1082.6×
  40. 40SarajevoFederation of B&H, Bosnia and Herzegovina
    1062.5×
  41. 41Mueang NonthaburiNonthaburi, Thailand
    1062.5×
  42. 42LleidaCatalonia, Spain
    1032.4×
  43. 43VictoriaCentral and Western, Hong Kong
    1022.4×
  44. 44Khlong LuangPathum Thani, Thailand
    1012.4×
  45. 45Tsuen WanTsuen Wan, Hong Kong
    992.3×
  46. 46Tai PoTai Po, Hong Kong
    982.3×
  47. 47Sau Mau PingKwun Tong District, Hong Kong
    972.3×
  48. 48Kwai ChungKwai Tsing District, Hong Kong
    972.3×
  49. 49Sham Shui PoSham Shui Po District, Hong Kong
    972.2×
  50. 49Santa CatarinaNuevo León, Mexico
    972.2×
  51. 51Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    962.2×
  52. 52JakartaJakarta, Indonesia
    952.2×
  53. 53BangkokBangkok, Thailand
    942.2×
  54. 54Zacatepec de HidalgoMorelos, Mexico
    932.1×
  55. 55MillcreekUtah, United States
    932.1×
  56. 56Sha TinSha Tin, Hong Kong
    932.1×
  57. 57BadgerAlaska, United States
    912.1×
  58. 58Phra PradaengSamut Prakan, Thailand
    912.0×
  59. 58Mixquiahuala de JuárezHidalgo, Mexico
    912.0×
  60. 60TurinPiedmont, Italy
    902.0×
  61. 61West JordanUtah, United States
    902.0×
  62. 62Spišská Nová VesKošice Region, Slovakia
    892.0×
  63. 63GuadalajaraJalisco, Mexico
    881.9×
  64. 63Prince GeorgeBritish Columbia, Canada
    881.9×
  65. 65AthensAttica, Greece
    871.9×
  66. 66CholulaPuebla, Mexico
    861.9×
  67. 67Ciudad Benito JuárezNuevo León, Mexico
    851.8×
  68. 68ButteMontana, United States
    841.8×
  69. 69FanlingNorth District, Hong Kong
    831.7×
  70. 70AlessandriaPiedmont, Italy
    821.7×
  71. 70San Salvador TizatlalliMéxico, Mexico
    821.7×
  72. 72TolucaMéxico, Mexico
    811.7×
  73. 73Şabāḩ as SālimMubārak al Kabīr, Kuwait
    811.7×
  74. 73BelgradeCentral Serbia, Serbia
    811.7×
  75. 75San Tung Chung HangIslands, Hong Kong
    811.7×
  76. 75BailénAndalusia, Spain
    811.7×
  77. 77PristinaPristina, Kosovo
    811.7×
  78. 78Ban Khlong PrawetBangkok, Thailand
    801.7×
  79. 78PueblaPuebla, Mexico
    801.7×
  80. 80PiraeusAttica, Greece
    801.7×
  81. 81DejCluj County, Romania
    801.6×
  82. 82Bang Bo DistrictSamut Prakan, Thailand
    791.6×
  83. 83ZapopanJalisco, Mexico
    791.6×
  84. 84CelayaGuanajuato, Mexico
    791.6×
  85. 85Salt Lake CityUtah, United States
    791.6×
  86. 86Samut PrakanSamut Prakan, Thailand
    781.6×
  87. 87San Martin Texmelucan de LabastidaPuebla, Mexico
    781.6×
  88. 88AnconaThe Marches, Italy
    781.6×
  89. 89AcharnésAttica, Greece
    781.6×
  90. 89ColomboWestern Province, Sri Lanka
    781.6×
  91. 91SevillaAndalusia, Spain
    771.6×
  92. 92Silao de la VictoriaGuanajuato, Mexico
    771.5×
  93. 93OurenseGalicia, Spain
    771.5×
  94. 94MexicaliBaja California, Mexico
    771.5×
  95. 95GrazStyria, Austria
    761.5×
  96. 96MurciaMurcia, Spain
    761.5×
  97. 96San Andrés TuxtlaVeracruz, Mexico
    761.5×
  98. 96MonterreyNuevo León, Mexico
    761.5×
  99. 99AsprópyrgosAttica, Greece
    751.5×
  100. 100Gabrovolow-cost sensorsGabrovo, Bulgaria
    741.4×
  101. 100Botevgradlow-cost sensorsSofia, Bulgaria
    741.4×
  102. 100BakersfieldCalifornia, United States
    741.4×
  103. 103Addis AbabaAddis Ababa, Ethiopia
    741.4×
  104. 103Puente AltoSantiago Metropolitan, Chile
    741.4×
  105. 105PécsBaranya, Hungary
    741.4×
  106. 106Jardines de la SillaNuevo León, Mexico
    731.4×
  107. 107Fort WorthTexas, United States
    731.4×
  108. 108BountifulUtah, United States
    731.4×
  109. 109AricaArica y Parinacota Region, Chile
    731.4×
  110. 110Viña del MarValparaiso, Chile
    731.4×
  111. 111Falconara MarittimaThe Marches, Italy
    721.4×
  112. 111Ciudad General EscobedoNuevo León, Mexico
    721.4×
  113. 113HualpénBiobio, Chile
    721.4×
  114. 114Novi SadVojvodina, Serbia
    721.4×
  115. 114SantiagoSantiago Metropolitan, Chile
    721.4×
  116. 114QuinteroValparaiso, Chile
    721.4×
  117. 117PhoenixArizona, United States
    711.3×
  118. 118KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    711.3×
  119. 119VeracruzVeracruz, Mexico
    711.3×
  120. 120PylaíaCentral Macedonia, Greece
    701.3×
  121. 120RengoO'Higgins Region, Chile
    701.3×
  122. 120TijuanaBaja California, Mexico
    701.3×
  123. 123Collado-VillalbaMadrid, Spain
    701.3×
  124. 123IrapuatoGuanajuato, Mexico
    701.3×
  125. 125San Pedro de la PazBiobio, Chile
    701.3×
  126. 126JesiThe Marches, Italy
    701.3×
  127. 126TocopillaAntofagasta, Chile
    701.3×
  128. 126HualquiBiobio, Chile
    701.3×
  129. 126MagnaUtah, United States
    701.3×
  130. 130Ceglie MessapicaApulia, Italy
    691.3×
  131. 131Almatylow-cost sensorsAlmaty, Kazakhstan
    691.3×
  132. 132BogotáBogota D.C., Colombia
    691.3×
  133. 132San CarlosÑuble, Chile
    691.3×
  134. 134Tula de AllendeHidalgo, Mexico
    691.2×
  135. 135BeneventoCampania, Italy
    681.2×
  136. 135TalcahuanoBiobio, Chile
    681.2×
  137. 135León de los AldamaGuanajuato, Mexico
    681.2×
  138. 138CoronelBiobio, Chile
    681.2×
  139. 139VisbyGotland, Sweden
    681.2×
  140. 139SalamancaGuanajuato, Mexico
    681.2×
  141. 141MinatitlánVeracruz, Mexico
    681.2×
  142. 142MesaArizona, United States
    681.2×
  143. 143BucharestBucharest, Romania
    671.2×
  144. 143NacimientoBiobio, Chile
    671.2×
  145. 143ChillánÑuble, Chile
    671.2×
  146. 146PesaroThe Marches, Italy
    661.2×
  147. 147CoquimboCoquimbo Region, Chile
    661.2×
  148. 148TehuacánPuebla, Mexico
    661.1×
  149. 148CuricóMaule Region, Chile
    661.1×
  150. 148ChiguayanteBiobio, Chile
    661.1×
  151. 151TooeleUtah, United States
    661.1×
  152. 152PrievidzaTrenčín Region, Slovakia
    661.1×
  153. 152CopiapóAtacama, Chile
    661.1×
  154. 154EdmondOklahoma, United States
    661.1×
  155. 155VisaliaCalifornia, United States
    651.1×
  156. 155LiberpolisCounty of Osijek-Baranja, Croatia
    651.1×
  157. 157CacémLisbon, Portugal
    651.1×
  158. 158HuelvaAndalusia, Spain
    651.1×
  159. 158Mollet del VallèsCatalonia, Spain
    651.1×
  160. 158San Juan del RíoQuerétaro, Mexico
    651.1×
  161. 161RancaguaO'Higgins Region, Chile
    651.1×
  162. 161San Luis de la PazGuanajuato, Mexico
    651.1×
  163. 161ComptonCalifornia, United States
    651.1×
  164. 164CalamaAntofagasta, Chile
    651.1×
  165. 164Ciudad ApodacaNuevo León, Mexico
    651.1×
  166. 166PenicuikScotland, United Kingdom
    641.1×
  167. 166Alto HospicioTarapacá, Chile
    641.1×
  168. 168ClovisCalifornia, United States
    641.1×
  169. 168MercedCalifornia, United States
    641.1×
  170. 168North OgdenUtah, United States
    641.1×
  171. 171Cluj-NapocaCluj County, Romania
    641.1×
  172. 171Puerto VarasLos Lagos Region, Chile
    641.1×
  173. 173CuranilahueBiobio, Chile
    631.1×
  174. 173FresnoCalifornia, United States
    631.1×
  175. 175ValdemoroMadrid, Spain
    631.0×
  176. 175CosladaMadrid, Spain
    631.0×
  177. 175TempeArizona, United States
    631.0×
  178. 175MaderaCalifornia, United States
    631.0×
  179. 175RentonWashington, United States
    631.0×
  180. 180TalcaMaule Region, Chile
    631.0×
  181. 180ConcónValparaiso, Chile
    631.0×
  182. 180GlendaleArizona, United States
    631.0×
  183. 183San Miguel de AllendeGuanajuato, Mexico
    631.0×
  184. 184SaginawTexas, United States
    631.0×
  185. 185Santiago de QuerétaroQuerétaro, Mexico
    621.0×
  186. 186Tepeji del Río de OcampoHidalgo, Mexico
    621.0×
  187. 186LaredoTexas, United States
    621.0×
  188. 186SeattleWashington, United States
    621.0×
  189. 189ValdostaGeorgia, United States
    621.0×
  190. 190HumennéPrešov Region, Slovakia
    611.0×
  191. 190QuilpuéValparaiso, Chile
    611.0×
  192. 190ConcepciónBiobio, Chile
    611.0×
  193. 193CoyhaiqueAysén, Chile
    611.0×
  194. 194KošiceKošice Region, Slovakia
    611.0×
  195. 194ObihiroHokkaido, Japan
    611.0×
  196. 194Torrejón de ArdozMadrid, Spain
    611.0×
  197. 194OremUtah, United States
    611.0×
  198. 198Vranov nad TopľouPrešov Region, Slovakia
    611.0×
  199. 198AntofagastaAntofagasta, Chile
    611.0×
  200. 198Ponca CityOklahoma, United States
    611.0×

Top 200 of 1,762 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, January 2, 2024, smogrank.com/history/2024-01-02 (accessed 2 Oct 2026).

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