SmogRank / History / January 5, 2023

Most polluted cities on January 5, 2023

1,174 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 369.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during January 5, 2023. All episodes.

← Lahore 369.0 µg/m³ 300 µg/m³15 WHO 24-hour guideline
Every city ranked for January 5, 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+24.6×
  2. 2N'DjamenaN’Djaména, Chad
    43319.5×
  3. 3DelhiDelhi, India
    34016.3×
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    30415.1×
  5. 5Abujalow-cost sensorsFCT, Nigeria
    24011.0×
  6. 6Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    22610.1×
  7. 7BitolaBitola, North Macedonia
    2078.8×
  8. 8Islamabadlow-cost sensorsIslamabad, Pakistan
    2018.4×
  9. 9Banja LukaSrpska, Bosnia and Herzegovina
    1937.7×
  10. 10MumbaiMaharashtra, India
    1937.7×
  11. 11PodgoricaPodgorica, Montenegro
    1877.1×
  12. 12PljevljaPljevlja, Montenegro
    1856.9×
  13. 13Accralow-cost sensorsGreater Accra, Ghana
    1776.2×
  14. 14Kathmandulow-cost sensorsBagmati Province, Nepal
    1665.2×
  15. 15BeijingBeijing, China
    1665.1×
  16. 16HanoiHanoi, Vietnam
    1634.8×
  17. 17NišCentral Serbia, Serbia
    1624.7×
  18. 18HyderabadTelangana, India
    1624.7×
  19. 19Karachilow-cost sensorsSindh, Pakistan
    1614.7×
  20. 20BamakoBamako, Mali
    1604.6×
  21. 21PristinaPristina, Kosovo
    1594.5×
  22. 22Haskovolow-cost sensorsHaskovo, Bulgaria
    1533.9×
  23. 23Almatylow-cost sensorsAlmaty, Kazakhstan
    1523.8×
  24. 24VolosThessaly, Greece
    1523.8×
  25. 25BadgerAlaska, United States
    1473.6×
  26. 26Kampalalow-cost sensorsCentral Region, Uganda
    1373.4×
  27. 27AlexandriaAlexandria, Egypt
    1333.2×
  28. 28PátraWest Greece, Greece
    1323.2×
  29. 29Botevgradlow-cost sensorsSofia, Bulgaria
    1303.2×
  30. 30Dimitrovgradlow-cost sensorsHaskovo, Bulgaria
    1253.0×
  31. 31KigaliKigali, Rwanda
    1222.9×
  32. 32Sevlievolow-cost sensorsGabrovo, Bulgaria
    1212.9×
  33. 33BaghdadBaghdad, Iraq
    1142.7×
  34. 33ThessaloníkiCentral Macedonia, Greece
    1142.7×
  35. 35CraiovaDolj, Romania
    1142.7×
  36. 36AthensAttica, Greece
    1102.6×
  37. 37ColomboWestern Province, Sri Lanka
    1102.6×
  38. 38Tin Shui WaiYuen Long, Hong Kong
    1092.6×
  39. 39BelgradeCentral Serbia, Serbia
    1072.5×
  40. 40GuangzhouGuangdong, China
    1042.5×
  41. 41LamphunLamphun, Thailand
    1002.4×
  42. 42ShanghaiShanghai, China
    982.3×
  43. 43RatchaburiRatchaburi, Thailand
    972.3×
  44. 43Wan ChaiWan Chai, Hong Kong
    972.3×
  45. 45Gabrovolow-cost sensorsGabrovo, Bulgaria
    972.2×
  46. 46Hua HinPrachuap Khiri Khan, Thailand
    962.2×
  47. 47Villa Poeta José Gálvez BarrenecheaLima region, Peru
    962.2×
  48. 48Mae SotTak, Thailand
    952.2×
  49. 49SukhothaiSukhothai, Thailand
    942.2×
  50. 50Nong KhaemBangkok, Thailand
    942.2×
  51. 51Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    942.1×
  52. 52DushanbeDushanbe, Tajikistan
    942.1×
  53. 52Khlong Sam WaBangkok, Thailand
    942.1×
  54. 54Ga-RankuwaNorth West, South Africa
    932.1×
  55. 55Mong KokYau Tsim Mong District, Hong Kong
    932.1×
  56. 56PhichitPhichit, Thailand
    932.1×
  57. 57LimaLima Province, Peru
    932.1×
  58. 58Bang NaBangkok, Thailand
    922.1×
  59. 59NanNan, Thailand
    922.1×
  60. 60OviedoAsturias, Spain
    912.0×
  61. 60FairbanksAlaska, United States
    912.0×
  62. 62Samut SakhonSamut Sakhon, Thailand
    912.0×
  63. 63LampangLampang, Thailand
    902.0×
  64. 64PiraeusAttica, Greece
    892.0×
  65. 64Kwai ChungKwai Tsing District, Hong Kong
    892.0×
  66. 66Khan Na YaoBangkok, Thailand
    881.9×
  67. 67Bang Khun ThianBangkok, Thailand
    881.9×
  68. 67Tsuen WanTsuen Wan, Hong Kong
    881.9×
  69. 67HualpénBiobio, Chile
    881.9×
  70. 70Bueng KumBangkok, Thailand
    881.9×
  71. 71VictoriaCentral and Western, Hong Kong
    871.9×
  72. 72TocopillaAntofagasta, Chile
    871.9×
  73. 73Saphan SungBangkok, Thailand
    861.9×
  74. 74Ceglie MessapicaApulia, Italy
    861.9×
  75. 74TalcahuanoBiobio, Chile
    861.9×
  76. 76TurinPiedmont, Italy
    861.9×
  77. 77Nakhon SawanNakhon Sawan, Thailand
    851.8×
  78. 78NogalesArizona, United States
    841.8×
  79. 79San Tung Chung HangIslands, Hong Kong
    841.8×
  80. 79SantiagoSantiago Metropolitan, Chile
    841.8×
  81. 81Nakhon PathomNakhon Pathom, Thailand
    841.8×
  82. 81Bang KapiBangkok, Thailand
    841.8×
  83. 83Falconara MarittimaThe Marches, Italy
    831.8×
  84. 84Ban Samae DamBangkok, Thailand
    831.8×
  85. 84Lat KrabangBangkok, Thailand
    831.8×
  86. 86Lak SiBangkok, Thailand
    821.7×
  87. 87ChisinauChișinău Municipality, Moldova
    821.7×
  88. 88ConcepciónBiobio, Chile
    821.7×
  89. 88GreeleyColorado, United States
    821.7×
  90. 90Tai PoTai Po, Hong Kong
    821.7×
  91. 90WolfsbergCarinthia, Austria
    821.7×
  92. 90GivorsAuvergne-Rhône-Alpes, France
    821.7×
  93. 93FanlingNorth District, Hong Kong
    811.7×
  94. 93Puente AltoSantiago Metropolitan, Chile
    811.7×
  95. 95PylaíaCentral Macedonia, Greece
    811.7×
  96. 96BangkokBangkok, Thailand
    811.7×
  97. 96AlessandriaPiedmont, Italy
    811.7×
  98. 98ValdemoroMadrid, Spain
    811.7×
  99. 99AsprópyrgosAttica, Greece
    801.7×
  100. 99RancaguaO'Higgins Region, Chile
    801.7×
  101. 101SzegedCsongrád, Hungary
    801.7×
  102. 101San Pedro de la PazBiobio, Chile
    801.7×
  103. 103Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    801.6×
  104. 104AcharnésAttica, Greece
    801.6×
  105. 105Mueang NonthaburiNonthaburi, Thailand
    801.6×
  106. 106Suphan BuriSuphan Buri, Thailand
    791.6×
  107. 107PhraePhrae, Thailand
    791.6×
  108. 108Sha TinSha Tin, Hong Kong
    791.6×
  109. 109SliemaTas-Sliema, Malta
    781.6×
  110. 110Sau Mau PingKwun Tong District, Hong Kong
    781.6×
  111. 111Tha YangPhetchaburi, Thailand
    781.6×
  112. 111Sham Shui PoSham Shui Po District, Hong Kong
    781.6×
  113. 113TalaganteSantiago Metropolitan, Chile
    771.6×
  114. 114Naucalpan de JuárezMéxico, Mexico
    771.5×
  115. 115LoeiLoei, Thailand
    771.5×
  116. 116RengoO'Higgins Region, Chile
    761.5×
  117. 116CuricóMaule Region, Chile
    761.5×
  118. 118UttaraditUttaradit, Thailand
    761.5×
  119. 119Mexico CityMexico City, Mexico
    761.5×
  120. 120LyonAuvergne-Rhône-Alpes, France
    761.5×
  121. 121Ban Khlong PrawetBangkok, Thailand
    751.5×
  122. 121TorreviejaValencia, Spain
    751.5×
  123. 123PhayaoPhayao, Thailand
    751.5×
  124. 124AshgabatAshgabat, Turkmenistan
    751.5×
  125. 125BucharestBucharest, Romania
    751.5×
  126. 126San CarlosÑuble, Chile
    751.5×
  127. 126AricaArica y Parinacota Region, Chile
    751.5×
  128. 128ThorntonColorado, United States
    741.4×
  129. 129AntananarivoAnalamanga, Madagascar
    741.4×
  130. 130CoronelBiobio, Chile
    741.4×
  131. 131Nong ChokBangkok, Thailand
    741.4×
  132. 131Viña del MarValparaiso, Chile
    741.4×
  133. 131León de los AldamaGuanajuato, Mexico
    741.4×
  134. 134ChiguayanteBiobio, Chile
    731.4×
  135. 135CartagenaMurcia, Spain
    731.4×
  136. 135TrentoTrentino-Alto Adige, Italy
    731.4×
  137. 135LinaresMaule Region, Chile
    731.4×
  138. 135Grande PrairieAlberta, Canada
    731.4×
  139. 139QuinteroValparaiso, Chile
    731.4×
  140. 140PesaroThe Marches, Italy
    731.4×
  141. 140LotaBiobio, Chile
    731.4×
  142. 142SaraburiSaraburi, Thailand
    721.4×
  143. 142Sai MaiBangkok, Thailand
    721.4×
  144. 144BakuBaki, Azerbaijan
    721.4×
  145. 145Cluj-NapocaCluj County, Romania
    721.4×
  146. 145Mae SaiChiang Rai, Thailand
    721.4×
  147. 147ConcónValparaiso, Chile
    721.4×
  148. 147IrapuatoGuanajuato, Mexico
    721.4×
  149. 149EtwatwaGauteng, South Africa
    721.3×
  150. 150Chiang MaiChiang Mai, Thailand
    711.3×
  151. 151Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    711.3×
  152. 151PhetchabunPhetchabun, Thailand
    711.3×
  153. 151CuranilahueBiobio, Chile
    711.3×
  154. 151NogalesSonora, Mexico
    711.3×
  155. 155IaşiIași County, Romania
    711.3×
  156. 155NacimientoBiobio, Chile
    711.3×
  157. 157VigoGalicia, Spain
    711.3×
  158. 158KhartoumKhartoum, Sudan
    711.3×
  159. 158RayongRayong, Thailand
    711.3×
  160. 158AnconaThe Marches, Italy
    711.3×
  161. 158La SerenaCoquimbo Region, Chile
    711.3×
  162. 162Ban ChangRayong, Thailand
    701.3×
  163. 162ToméBiobio, Chile
    701.3×
  164. 162CopiapóAtacama, Chile
    701.3×
  165. 162CalamaAntofagasta, Chile
    701.3×
  166. 166MeylanAuvergne-Rhône-Alpes, France
    701.3×
  167. 166Collado-VillalbaMadrid, Spain
    701.3×
  168. 168Ciudad RealCastille-La Mancha, Spain
    701.3×
  169. 168ManosqueProvence-Alpes-Côte d'Azur, France
    701.3×
  170. 168RoveretoTrentino-Alto Adige, Italy
    701.3×
  171. 171SevillaAndalusia, Spain
    701.3×
  172. 172Phra PradaengSamut Prakan, Thailand
    691.3×
  173. 172Ecatepec de MorelosMéxico, Mexico
    691.3×
  174. 172TalcaMaule Region, Chile
    691.3×
  175. 175HualquiBiobio, Chile
    691.3×
  176. 176Nakhon Si ThammaratNakhon Si Thammarat, Thailand
    691.2×
  177. 176JesiThe Marches, Italy
    691.2×
  178. 178KhalándrionAttica, Greece
    691.2×
  179. 178GrazStyria, Austria
    691.2×
  180. 180Nakhon RatchasimaNakhon Ratchasima, Thailand
    681.2×
  181. 181QuillotaValparaiso, Chile
    681.2×
  182. 181CoquimboCoquimbo Region, Chile
    681.2×
  183. 183ToulouseOccitanie, France
    681.2×
  184. 184Fort CollinsColorado, United States
    681.2×
  185. 185Ciudad JuárezChihuahua, Mexico
    671.2×
  186. 186CelayaGuanajuato, Mexico
    671.2×
  187. 186West FargoNorth Dakota, United States
    671.2×
  188. 188ModugnoApulia, Italy
    671.2×
  189. 189BailénAndalusia, Spain
    671.2×
  190. 190San Francisco De BorjaLima region, Peru
    661.2×
  191. 191Khlong LuangPathum Thani, Thailand
    661.2×
  192. 191ChillánÑuble, Chile
    661.2×
  193. 193HoustonTexas, United States
    661.1×
  194. 194MonacoMunicipality of Monaco, Monaco
    661.1×
  195. 195Surat ThaniSurat Thani, Thailand
    661.1×
  196. 195KanchanaburiKanchanaburi, Thailand
    661.1×
  197. 195Missouri CityTexas, United States
    661.1×
  198. 198DaxNew Aquitaine, France
    661.1×
  199. 199BarnstapleEngland, United Kingdom
    651.1×
  200. 200Klagenfurt am WörtherseeCarinthia, Austria
    651.1×

Top 200 of 1,174 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 5, 2023, smogrank.com/history/2023-01-05 (accessed 2 Oct 2026).

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