SmogRank / History / December 22, 2023

Most polluted cities on December 22, 2023

1,828 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 488.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during December 22, 2023. All episodes.

← Lahore 488.0 µg/m³ 400 µg/m³15 WHO 24-hour guideline
Every city ranked for December 22, 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
    500+32.5×
  2. 2DelhiDelhi, India
    500+22.9×
  3. 3Ulan BatorUlaanbaatar, Mongolia
    38817.9×
  4. 4Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    34416.5×
  5. 5SalorTashkent Region, Uzbekistan
    29514.7×
  6. 6Dhakalow-cost sensorsDhaka Division, Bangladesh
    26412.6×
  7. 7KolkataWest Bengal, India
    25311.9×
  8. 8Islamabadlow-cost sensorsIslamabad, Pakistan
    22510.0×
  9. 9HyderabadTelangana, India
    2179.5×
  10. 10Karachilow-cost sensorsSindh, Pakistan
    2149.3×
  11. 11N'DjamenaN’Djaména, Chad
    1978.1×
  12. 12MumbaiMaharashtra, India
    1917.5×
  13. 13DushanbeDushanbe, Tajikistan
    1907.4×
  14. 14Lagoslow-cost sensorsLagos, Nigeria
    1897.3×
  15. 15VeracruzVeracruz, Mexico
    1816.6×
  16. 16ChennaiTamil Nadu, India
    1816.5×
  17. 17Abujalow-cost sensorsFCT, Nigeria
    1735.8×
  18. 18Kathmandulow-cost sensorsBagmati Province, Nepal
    1725.7×
  19. 19TlaquepaqueJalisco, Mexico
    1695.4×
  20. 20NišCentral Serbia, Serbia
    1695.4×
  21. 21ShenyangLiaoning, China
    1614.7×
  22. 22Victoria de DurangoDurango, Mexico
    1574.2×
  23. 23SaltilloCoahuila, Mexico
    1564.1×
  24. 24TetovoTetovo, North Macedonia
    1523.8×
  25. 25Almatylow-cost sensorsAlmaty, Kazakhstan
    1483.6×
  26. 26Santa CatarinaNuevo León, Mexico
    1483.6×
  27. 27HanoiHanoi, Vietnam
    1473.6×
  28. 28VelesVeles, North Macedonia
    1443.5×
  29. 29SkopjeGrad Skopje, North Macedonia
    1433.5×
  30. 30BitolaBitola, North Macedonia
    1413.5×
  31. 31Kampalalow-cost sensorsCentral Region, Uganda
    1393.4×
  32. 32Zacatepec de HidalgoMorelos, Mexico
    1363.3×
  33. 33Banja LukaSrpska, Bosnia and Herzegovina
    1263.0×
  34. 34KavadarciKavadarci, North Macedonia
    1243.0×
  35. 35GuangzhouGuangdong, China
    1192.9×
  36. 36SarajevoFederation of B&H, Bosnia and Herzegovina
    1192.9×
  37. 37GuadalajaraJalisco, Mexico
    1192.8×
  38. 38Ciudad Benito JuárezNuevo León, Mexico
    1162.8×
  39. 39KigaliKigali, Rwanda
    1152.8×
  40. 40KochaniKochani, North Macedonia
    1152.7×
  41. 41Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    1132.7×
  42. 42Samut SakhonSamut Sakhon, Thailand
    1112.6×
  43. 43Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1102.6×
  44. 44ParedesPorto, Portugal
    1082.5×
  45. 45ManamaManama, Bahrain
    1072.5×
  46. 46Tuen MunTuen Mun, Hong Kong
    1062.5×
  47. 47San Salvador TizatlalliMéxico, Mexico
    1062.5×
  48. 48KennesawGeorgia, United States
    1062.5×
  49. 49BakuBaki, Azerbaijan
    1052.5×
  50. 50IlindenIlinden, North Macedonia
    1042.4×
  51. 50CapannoriTuscany, Italy
    1042.4×
  52. 52CayenneGuyane, French Guiana
    1012.4×
  53. 53VolosThessaly, Greece
    982.3×
  54. 54ZapopanJalisco, Mexico
    972.3×
  55. 55Wan ChaiWan Chai, Hong Kong
    962.2×
  56. 55Jardines de la SillaNuevo León, Mexico
    962.2×
  57. 57MonterreyNuevo León, Mexico
    962.2×
  58. 58PristinaPristina, Kosovo
    942.1×
  59. 59Ciudad General EscobedoNuevo León, Mexico
    942.1×
  60. 60Saint MichaelMinnesota, United States
    932.1×
  61. 61ShakopeeMinnesota, United States
    932.1×
  62. 62San Martin Texmelucan de LabastidaPuebla, Mexico
    922.1×
  63. 63ThessaloníkiCentral Macedonia, Greece
    922.1×
  64. 63AppletonWisconsin, United States
    922.1×
  65. 65Eau ClaireWisconsin, United States
    922.1×
  66. 66BurnsvilleMinnesota, United States
    912.0×
  67. 67Grand RapidsMichigan, United States
    912.0×
  68. 68East RidgeTennessee, United States
    902.0×
  69. 69TolucaMéxico, Mexico
    902.0×
  70. 70Tin Shui WaiYuen Long, Hong Kong
    902.0×
  71. 71BailénAndalusia, Spain
    892.0×
  72. 72SantiagoSantiago Metropolitan, Chile
    892.0×
  73. 73OurenseGalicia, Spain
    892.0×
  74. 73CholulaPuebla, Mexico
    892.0×
  75. 75MinneapolisMinnesota, United States
    892.0×
  76. 76BlaineMinnesota, United States
    881.9×
  77. 76Saint PaulMinnesota, United States
    881.9×
  78. 78ChattanoogaTennessee, United States
    881.9×
  79. 79Saint CloudMinnesota, United States
    881.9×
  80. 80SallanchesAuvergne-Rhône-Alpes, France
    871.9×
  81. 81PueblaPuebla, Mexico
    871.9×
  82. 82Green BayWisconsin, United States
    861.9×
  83. 83JakartaJakarta, Indonesia
    861.9×
  84. 83SuperiorWisconsin, United States
    861.9×
  85. 85Tai PoTai Po, Hong Kong
    861.8×
  86. 85ValdemoroMadrid, Spain
    861.8×
  87. 87AmoraSetúbal, Portugal
    851.8×
  88. 87CuernavacaMorelos, Mexico
    851.8×
  89. 89Mong KokYau Tsim Mong District, Hong Kong
    851.8×
  90. 89Puente AltoSantiago Metropolitan, Chile
    851.8×
  91. 91VictoriaCentral and Western, Hong Kong
    841.8×
  92. 92YangonYangon, Myanmar
    841.8×
  93. 93BeneventoCampania, Italy
    821.7×
  94. 93Mixquiahuala de JuárezHidalgo, Mexico
    821.7×
  95. 95Apple ValleyMinnesota, United States
    821.7×
  96. 96DuluthMinnesota, United States
    821.7×
  97. 97SpartanburgSouth Carolina, United States
    811.7×
  98. 98Khlong LuangPathum Thani, Thailand
    811.7×
  99. 98Ciudad ApodacaNuevo León, Mexico
    811.7×
  100. 98MilwaukeeWisconsin, United States
    811.7×
  101. 101Tsuen WanTsuen Wan, Hong Kong
    811.7×
  102. 102Nong KhaemBangkok, Thailand
    811.7×
  103. 103Mueang NonthaburiNonthaburi, Thailand
    801.7×
  104. 103Sha TinSha Tin, Hong Kong
    801.7×
  105. 105AthensAttica, Greece
    801.7×
  106. 106Kwai ChungKwai Tsing District, Hong Kong
    801.6×
  107. 107Sau Mau PingKwun Tong District, Hong Kong
    791.6×
  108. 108QuinteroValparaiso, Chile
    791.6×
  109. 108KalamazooMichigan, United States
    791.6×
  110. 110BangkokBangkok, Thailand
    791.6×
  111. 110FanlingNorth District, Hong Kong
    791.6×
  112. 112ColomboWestern Province, Sri Lanka
    781.6×
  113. 113San CarlosÑuble, Chile
    771.5×
  114. 114Cadereyta JiménezNuevo León, Mexico
    771.5×
  115. 115Sham Shui PoSham Shui Po District, Hong Kong
    771.5×
  116. 116South MilwaukeeWisconsin, United States
    771.5×
  117. 117Addis AbabaAddis Ababa, Ethiopia
    761.5×
  118. 117WaukeshaWisconsin, United States
    761.5×
  119. 119RochesterMinnesota, United States
    761.5×
  120. 120PátraWest Greece, Greece
    761.5×
  121. 120ChesapeakeVirginia, United States
    761.5×
  122. 122LawrencevilleGeorgia, United States
    761.5×
  123. 123TalaganteSantiago Metropolitan, Chile
    761.5×
  124. 123MiddletownOhio, United States
    761.5×
  125. 125RengoO'Higgins Region, Chile
    751.5×
  126. 126Viña del MarValparaiso, Chile
    751.5×
  127. 126ConroeTexas, United States
    751.5×
  128. 126ToledoOhio, United States
    751.5×
  129. 129East ChicagoIndiana, United States
    751.5×
  130. 129JenisonMichigan, United States
    751.5×
  131. 131BeijingBeijing, China
    751.5×
  132. 131MadisonWisconsin, United States
    751.5×
  133. 133ValladolidCastille and León, Spain
    751.5×
  134. 133RancaguaO'Higgins Region, Chile
    751.5×
  135. 133BirminghamAlabama, United States
    751.5×
  136. 136TocopillaAntofagasta, Chile
    741.4×
  137. 136QuillotaValparaiso, Chile
    741.4×
  138. 138GironaCatalonia, Spain
    741.4×
  139. 138ColumbusOhio, United States
    741.4×
  140. 140JohnstownPennsylvania, United States
    741.4×
  141. 141JeddahMecca Region, Saudi Arabia
    731.4×
  142. 141Nakhon PathomNakhon Pathom, Thailand
    731.4×
  143. 143SevillaAndalusia, Spain
    731.4×
  144. 143GadsdenAlabama, United States
    731.4×
  145. 145VigoGalicia, Spain
    731.4×
  146. 145CoquimboCoquimbo Region, Chile
    731.4×
  147. 147GreenvilleSouth Carolina, United States
    731.4×
  148. 147VisaliaCalifornia, United States
    731.4×
  149. 149HollandMichigan, United States
    721.4×
  150. 150CuricóMaule Region, Chile
    721.4×
  151. 151A CoruñaGalicia, Spain
    721.4×
  152. 152CelayaGuanajuato, Mexico
    721.4×
  153. 152IndianapolisIndiana, United States
    721.4×
  154. 154TehuacánPuebla, Mexico
    721.3×
  155. 155PiraeusAttica, Greece
    711.3×
  156. 155WestervilleOhio, United States
    711.3×
  157. 157CraiovaDolj, Romania
    711.3×
  158. 157JasperIndiana, United States
    711.3×
  159. 157Terre HauteIndiana, United States
    711.3×
  160. 157DearbornMichigan, United States
    711.3×
  161. 157HanfordCalifornia, United States
    711.3×
  162. 162ClevelandOhio, United States
    711.3×
  163. 163AlessandriaPiedmont, Italy
    711.3×
  164. 163TrussvilleAlabama, United States
    711.3×
  165. 163DurhamNorth Carolina, United States
    711.3×
  166. 163ZionIllinois, United States
    711.3×
  167. 167MurciaMurcia, Spain
    701.3×
  168. 167ToméBiobio, Chile
    701.3×
  169. 167QuilpuéValparaiso, Chile
    701.3×
  170. 170ConcónValparaiso, Chile
    701.3×
  171. 171Phra PradaengSamut Prakan, Thailand
    701.3×
  172. 171LisbonLisbon, Portugal
    701.3×
  173. 173EvansvilleIndiana, United States
    701.3×
  174. 174FlorenceSouth Carolina, United States
    701.3×
  175. 175Fort WayneIndiana, United States
    691.3×
  176. 176San Tung Chung HangIslands, Hong Kong
    691.3×
  177. 176HualpénBiobio, Chile
    691.3×
  178. 176JeffersonvilleIndiana, United States
    691.3×
  179. 176MedinaOhio, United States
    691.3×
  180. 180CosladaMadrid, Spain
    691.3×
  181. 180GainesvilleGeorgia, United States
    691.3×
  182. 182Silao de la VictoriaGuanajuato, Mexico
    691.2×
  183. 183NashvilleTennessee, United States
    691.2×
  184. 183WindsorOntario, Canada
    691.2×
  185. 185WaterlooIowa, United States
    691.2×
  186. 185DublinOhio, United States
    691.2×
  187. 187LeónCastille and León, Spain
    681.2×
  188. 187SpringfieldOhio, United States
    681.2×
  189. 189SamaAsturias, Spain
    681.2×
  190. 189DaytonOhio, United States
    681.2×
  191. 189Franklin ParkIllinois, United States
    681.2×
  192. 192IaşiIași County, Romania
    681.2×
  193. 192ChillánÑuble, Chile
    681.2×
  194. 192KnoxvilleTennessee, United States
    681.2×
  195. 192Lincoln ParkMichigan, United States
    681.2×
  196. 196AlbanyGeorgia, United States
    681.2×
  197. 196NorwoodOhio, United States
    681.2×
  198. 196South BendIndiana, United States
    681.2×
  199. 199HarrisonburgVirginia, United States
    671.2×
  200. 200RijekaPrimorje-Gorski Kotar, Croatia
    671.2×

Top 200 of 1,828 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 22, 2023, smogrank.com/history/2023-12-22 (accessed 2 Oct 2026).

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