SmogRank / History / December 25, 2023

Most polluted cities on December 25, 2023

1,876 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 275.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during December 25, 2023. All episodes.

← Lahore 275.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for December 25, 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. 1Lahorelow-cost sensorsPunjab, Pakistan
    40018.3×
  2. 2KolkataWest Bengal, India
    39618.2×
  3. 3DelhiDelhi, India
    31015.3×
  4. 4Ulan BatorUlaanbaatar, Mongolia
    29914.9×
  5. 5Dhakalow-cost sensorsDhaka Division, Bangladesh
    28614.1×
  6. 6Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    27113.1×
  7. 7San Francisco TlalcilalcalpanMéxico, Mexico
    2189.5×
  8. 8HyderabadTelangana, India
    2169.4×
  9. 9Abujalow-cost sensorsFCT, Nigeria
    2068.7×
  10. 10NišCentral Serbia, Serbia
    2028.4×
  11. 11Islamabadlow-cost sensorsIslamabad, Pakistan
    2018.4×
  12. 12ShenyangLiaoning, China
    1907.4×
  13. 13N'DjamenaN’Djaména, Chad
    1846.9×
  14. 14SkopjeGrad Skopje, North Macedonia
    1846.8×
  15. 15Lagoslow-cost sensorsLagos, Nigeria
    1836.7×
  16. 16TetovoTetovo, North Macedonia
    1816.6×
  17. 17VelesVeles, North Macedonia
    1766.0×
  18. 18KavadarciKavadarci, North Macedonia
    1756.0×
  19. 19MumbaiMaharashtra, India
    1745.9×
  20. 20GuadalajaraJalisco, Mexico
    1735.8×
  21. 21SalorTashkent Region, Uzbekistan
    1655.0×
  22. 22Almatylow-cost sensorsAlmaty, Kazakhstan
    1644.9×
  23. 23Karachilow-cost sensorsSindh, Pakistan
    1634.8×
  24. 24Spišská Nová VesKošice Region, Slovakia
    1624.8×
  25. 25Banja LukaSrpska, Bosnia and Herzegovina
    1624.8×
  26. 26PhoenixArizona, United States
    1624.7×
  27. 27CelayaGuanajuato, Mexico
    1614.7×
  28. 28HanoiHanoi, Vietnam
    1604.6×
  29. 29ManlleuCatalonia, Spain
    1584.4×
  30. 30IrapuatoGuanajuato, Mexico
    1584.4×
  31. 31BitolaBitola, North Macedonia
    1574.3×
  32. 32Kathmandulow-cost sensorsBagmati Province, Nepal
    1564.2×
  33. 33IlindenIlinden, North Macedonia
    1564.2×
  34. 34BelgradeCentral Serbia, Serbia
    1544.0×
  35. 35TolucaMéxico, Mexico
    1523.8×
  36. 36BeijingBeijing, China
    1473.6×
  37. 37SarajevoFederation of B&H, Bosnia and Herzegovina
    1433.5×
  38. 38ComptonCalifornia, United States
    1413.5×
  39. 39CholulaPuebla, Mexico
    1403.4×
  40. 40ZapopanJalisco, Mexico
    1383.4×
  41. 41Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1353.3×
  42. 42MexicaliBaja California, Mexico
    1343.3×
  43. 43Hawthornelow-cost sensorsCalifornia, United States
    1313.2×
  44. 44Silao de la VictoriaGuanajuato, Mexico
    1303.2×
  45. 45ChennaiTamil Nadu, India
    1273.1×
  46. 46ThessaloníkiCentral Macedonia, Greece
    1273.1×
  47. 47Samut SakhonSamut Sakhon, Thailand
    1263.0×
  48. 48ValdemoroMadrid, Spain
    1263.0×
  49. 49AlgiersAlgiers, Algeria
    1253.0×
  50. 50JakartaJakarta, Indonesia
    1243.0×
  51. 51Santiago de QuerétaroQuerétaro, Mexico
    1222.9×
  52. 52MurciaMurcia, Spain
    1202.9×
  53. 53VolosThessaly, Greece
    1192.9×
  54. 54AthensAttica, Greece
    1172.8×
  55. 55Mueang NonthaburiNonthaburi, Thailand
    1162.8×
  56. 56GlendaleArizona, United States
    1142.7×
  57. 57Kampalalow-cost sensorsCentral Region, Uganda
    1142.7×
  58. 58KochaniKochani, North Macedonia
    1132.7×
  59. 59StocktonCalifornia, United States
    1122.7×
  60. 60AmoraSetúbal, Portugal
    1112.6×
  61. 60León de los AldamaGuanajuato, Mexico
    1112.6×
  62. 62PiraeusAttica, Greece
    1102.6×
  63. 63Mollet del VallèsCatalonia, Spain
    1092.6×
  64. 64BensalemPennsylvania, United States
    1082.6×
  65. 65DejCluj County, Romania
    1072.5×
  66. 65YangonYangon, Myanmar
    1072.5×
  67. 67MaderaCalifornia, United States
    1052.5×
  68. 68RabinalBaja Verapaz, Guatemala
    1052.5×
  69. 68Carsonlow-cost sensorsCalifornia, United States
    1052.5×
  70. 70BangkokBangkok, Thailand
    1032.4×
  71. 71CapannoriTuscany, Italy
    1022.4×
  72. 72Ciudad Benito JuárezNuevo León, Mexico
    1012.4×
  73. 73San Salvador TizatlalliMéxico, Mexico
    1002.4×
  74. 74SevillaAndalusia, Spain
    1002.4×
  75. 75VeracruzVeracruz, Mexico
    1002.3×
  76. 76Nong KhaemBangkok, Thailand
    992.3×
  77. 77Mixquiahuala de JuárezHidalgo, Mexico
    992.3×
  78. 77TijuanaBaja California, Mexico
    992.3×
  79. 79CacémLisbon, Portugal
    982.3×
  80. 80PristinaPristina, Kosovo
    972.3×
  81. 80SaltilloCoahuila, Mexico
    972.3×
  82. 82ColomboWestern Province, Sri Lanka
    972.2×
  83. 83Zacatepec de HidalgoMorelos, Mexico
    962.2×
  84. 84Jurupa ValleyCalifornia, United States
    962.2×
  85. 85MercedCalifornia, United States
    952.2×
  86. 86Phra PradaengSamut Prakan, Thailand
    952.2×
  87. 86Nakhon PathomNakhon Pathom, Thailand
    952.2×
  88. 88San Martin Texmelucan de LabastidaPuebla, Mexico
    942.1×
  89. 89Haskovolow-cost sensorsHaskovo, Bulgaria
    932.1×
  90. 90Bang Bo DistrictSamut Prakan, Thailand
    932.1×
  91. 91AbasoloGuanajuato, Mexico
    932.1×
  92. 92FresnoCalifornia, United States
    922.1×
  93. 93CalexicoCalifornia, United States
    922.1×
  94. 94Le LamentinMartinique, Martinique
    922.1×
  95. 94Long BeachCalifornia, United States
    922.1×
  96. 96VisaliaCalifornia, United States
    922.1×
  97. 97Tuen MunTuen Mun, Hong Kong
    922.1×
  98. 97L'Ancienne-LoretteQuebec, Canada
    922.1×
  99. 99BailénAndalusia, Spain
    912.1×
  100. 99BakersfieldCalifornia, United States
    912.1×
  101. 101DushanbeDushanbe, Tajikistan
    912.0×
  102. 102Le RobertMartinique, Martinique
    902.0×
  103. 102CornwallOntario, Canada
    902.0×
  104. 104Puente AltoSantiago Metropolitan, Chile
    902.0×
  105. 104TempeArizona, United States
    902.0×
  106. 106MinatitlánVeracruz, Mexico
    892.0×
  107. 106OttawaOntario, Canada
    892.0×
  108. 108LisbonLisbon, Portugal
    881.9×
  109. 109Samut PrakanSamut Prakan, Thailand
    881.9×
  110. 110Arden-ArcadeCalifornia, United States
    881.9×
  111. 111HarrisburgPennsylvania, United States
    881.9×
  112. 112Las VegasNevada, United States
    871.9×
  113. 113TurlockCalifornia, United States
    871.9×
  114. 114CartagenaMurcia, Spain
    871.9×
  115. 114Torrancelow-cost sensorsCalifornia, United States
    871.9×
  116. 116KigaliKigali, Rwanda
    861.9×
  117. 117NogalesSonora, Mexico
    861.9×
  118. 118RoveretoTrentino-Alto Adige, Italy
    861.9×
  119. 118ModestoCalifornia, United States
    861.9×
  120. 120LebanonPennsylvania, United States
    861.9×
  121. 121AcharnésAttica, Greece
    851.8×
  122. 122TorreviejaValencia, Spain
    841.8×
  123. 122LancasterPennsylvania, United States
    841.8×
  124. 122HanfordCalifornia, United States
    841.8×
  125. 125Tin Shui WaiYuen Long, Hong Kong
    841.8×
  126. 125ChicoCalifornia, United States
    841.8×
  127. 125Rivière-des-Prairies–Pointe-aux-TremblesQuebec, Canada
    841.8×
  128. 128CarlislePennsylvania, United States
    841.8×
  129. 128NogalesArizona, United States
    841.8×
  130. 130GrazStyria, Austria
    831.8×
  131. 131Novi SadVojvodina, Serbia
    831.8×
  132. 131San Andrés TuxtlaVeracruz, Mexico
    831.8×
  133. 133ElizabethNew Jersey, United States
    831.8×
  134. 134Wan ChaiWan Chai, Hong Kong
    831.7×
  135. 134Lexingtonlow-cost sensorsMassachusetts, United States
    831.7×
  136. 136Collado-VillalbaMadrid, Spain
    821.7×
  137. 136Cadereyta JiménezNuevo León, Mexico
    821.7×
  138. 138Ciudad ApodacaNuevo León, Mexico
    821.7×
  139. 138RiversideCalifornia, United States
    821.7×
  140. 140MesaArizona, United States
    821.7×
  141. 141LindenNew Jersey, United States
    811.7×
  142. 142Klagenfurt am WörtherseeCarinthia, Austria
    811.7×
  143. 142SantiagoSantiago Metropolitan, Chile
    811.7×
  144. 144GuangzhouGuangdong, China
    811.7×
  145. 144NorristownPennsylvania, United States
    811.7×
  146. 146AllentownPennsylvania, United States
    801.7×
  147. 146QuébecQuebec, Canada
    801.7×
  148. 148LyonAuvergne-Rhône-Alpes, France
    801.7×
  149. 149DorvalQuebec, Canada
    801.6×
  150. 150LourdesOccitanie, France
    801.6×
  151. 150VigoGalicia, Spain
    801.6×
  152. 150TrentoTrentino-Alto Adige, Italy
    801.6×
  153. 153Victoria de DurangoDurango, Mexico
    801.6×
  154. 153ReadingPennsylvania, United States
    801.6×
  155. 155BolzanoTrentino-Alto Adige, Italy
    791.6×
  156. 155HarrisonburgVirginia, United States
    791.6×
  157. 155BethlehemPennsylvania, United States
    791.6×
  158. 158TarbesOccitanie, France
    791.6×
  159. 158Romans-sur-IsèreAuvergne-Rhône-Alpes, France
    791.6×
  160. 160ClovisCalifornia, United States
    791.6×
  161. 161ToméBiobio, Chile
    791.6×
  162. 162BurbankCalifornia, United States
    781.6×
  163. 163Yuba CityCalifornia, United States
    781.6×
  164. 163MontréalQuebec, Canada
    781.6×
  165. 165PueblaPuebla, Mexico
    781.6×
  166. 165ButteMontana, United States
    781.6×
  167. 167AsprópyrgosAttica, Greece
    771.5×
  168. 167GranadaAndalusia, Spain
    771.5×
  169. 169BorgomaneroPiedmont, Italy
    771.5×
  170. 169PhiladelphiaPennsylvania, United States
    771.5×
  171. 171DanburyConnecticut, United States
    771.5×
  172. 172HualpénBiobio, Chile
    771.5×
  173. 172CoronelBiobio, Chile
    771.5×
  174. 174BeneventoCampania, Italy
    761.5×
  175. 175SallanchesAuvergne-Rhône-Alpes, France
    761.5×
  176. 175Santa CatarinaNuevo León, Mexico
    761.5×
  177. 175CorcoranCalifornia, United States
    761.5×
  178. 178Ciudad RealCastille-La Mancha, Spain
    761.5×
  179. 178ChesterPennsylvania, United States
    761.5×
  180. 180WolfsbergCarinthia, Austria
    751.5×
  181. 181GardanneProvence-Alpes-Côte d'Azur, France
    751.5×
  182. 182JaénAndalusia, Spain
    751.5×
  183. 183GrenobleAuvergne-Rhône-Alpes, France
    751.5×
  184. 183AlessandriaPiedmont, Italy
    751.5×
  185. 183AnaheimCalifornia, United States
    751.5×
  186. 183San JoseCalifornia, United States
    751.5×
  187. 183Trois-RivièresQuebec, Canada
    751.5×
  188. 188State CollegePennsylvania, United States
    741.4×
  189. 189PortervilleCalifornia, United States
    741.4×
  190. 189BrossardQuebec, Canada
    741.4×
  191. 191ChiguayanteBiobio, Chile
    741.4×
  192. 191BrawleyCalifornia, United States
    741.4×
  193. 191MantecaCalifornia, United States
    741.4×
  194. 191ShawiniganQuebec, Canada
    741.4×
  195. 195GivorsAuvergne-Rhône-Alpes, France
    741.4×
  196. 195AricaArica y Parinacota Region, Chile
    741.4×
  197. 195YorkPennsylvania, United States
    741.4×
  198. 195AlbanyNew York, United States
    741.4×
  199. 199CórdobaAndalusia, Spain
    741.4×
  200. 200San Pedro de la PazBiobio, Chile
    731.4×

Top 200 of 1,876 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, December 25, 2023, smogrank.com/history/2023-12-25 (accessed 2 Oct 2026).

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