SmogRank / History / January 4, 2024

Most polluted cities on January 4, 2024

1,987 cities ranked by their average PM2.5 over the day; the worst was Peshawar, Pakistan, at 283.0 µg/m³. Each city's own local calendar day.

← Peshawar 283.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for January 4, 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. 1Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    41618.9×
  2. 2DelhiDelhi, India
    36417.1×
  3. 3Lahorelow-cost sensorsPunjab, Pakistan
    35816.9×
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    28914.3×
  5. 5Islamabadlow-cost sensorsIslamabad, Pakistan
    24611.4×
  6. 5KolkataWest Bengal, India
    24611.4×
  7. 7MumbaiMaharashtra, India
    1917.5×
  8. 8Karachilow-cost sensorsSindh, Pakistan
    1897.3×
  9. 9HyderabadTelangana, India
    1806.4×
  10. 10Abujalow-cost sensorsFCT, Nigeria
    1766.0×
  11. 11SalorTashkent Region, Uzbekistan
    1745.9×
  12. 12CairoCairo, Egypt
    1624.7×
  13. 13NišCentral Serbia, Serbia
    1604.6×
  14. 14PljevljaPljevlja, Montenegro
    1604.5×
  15. 15DushanbeDushanbe, Tajikistan
    1584.4×
  16. 16TlaquepaqueJalisco, Mexico
    1584.3×
  17. 17ChennaiTamil Nadu, India
    1584.3×
  18. 18KigaliKigali, Rwanda
    1574.3×
  19. 19KavadarciKavadarci, North Macedonia
    1564.2×
  20. 20VelesVeles, North Macedonia
    1554.1×
  21. 21BeijingBeijing, China
    1523.8×
  22. 22Samut SakhonSamut Sakhon, Thailand
    1523.8×
  23. 23Kathmandulow-cost sensorsBagmati Province, Nepal
    1523.8×
  24. 24HanoiHanoi, Vietnam
    1513.7×
  25. 25Almatylow-cost sensorsAlmaty, Kazakhstan
    1443.5×
  26. 26PodgoricaPodgorica, Montenegro
    1393.4×
  27. 27SkopjeGrad Skopje, North Macedonia
    1323.2×
  28. 28BastiaCorsica, France
    1222.9×
  29. 29ShenyangLiaoning, China
    1202.9×
  30. 30Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1182.8×
  31. 31Nakhon PathomNakhon Pathom, Thailand
    1172.8×
  32. 32CholulaPuebla, Mexico
    1142.7×
  33. 33ManlleuCatalonia, Spain
    1112.6×
  34. 34YangonYangon, Myanmar
    1102.6×
  35. 35Nong KhaemBangkok, Thailand
    1092.6×
  36. 36DejCluj County, Romania
    1062.5×
  37. 37ThessaloníkiCentral Macedonia, Greece
    1032.4×
  38. 38Mueang NonthaburiNonthaburi, Thailand
    1032.4×
  39. 39IlindenIlinden, North Macedonia
    1032.4×
  40. 40LleidaCatalonia, Spain
    1012.4×
  41. 41SarajevoFederation of B&H, Bosnia and Herzegovina
    1002.4×
  42. 42Khlong LuangPathum Thani, Thailand
    992.3×
  43. 43Spišská Nová VesKošice Region, Slovakia
    992.3×
  44. 44AlessandriaPiedmont, Italy
    992.3×
  45. 45BangkokBangkok, Thailand
    992.3×
  46. 46TetovoTetovo, North Macedonia
    982.3×
  47. 47Phra PradaengSamut Prakan, Thailand
    952.2×
  48. 48Haskovolow-cost sensorsHaskovo, Bulgaria
    932.1×
  49. 49CallaoCallao, Peru
    922.1×
  50. 50Banja LukaSrpska, Bosnia and Herzegovina
    912.0×
  51. 51LimaLima Province, Peru
    902.0×
  52. 52Ulan BatorUlaanbaatar, Mongolia
    892.0×
  53. 53Samut PrakanSamut Prakan, Thailand
    881.9×
  54. 54CapannoriTuscany, Italy
    871.9×
  55. 55Bang Bo DistrictSamut Prakan, Thailand
    861.9×
  56. 56AvignonProvence-Alpes-Côte d'Azur, France
    851.8×
  57. 57Addis AbabaAddis Ababa, Ethiopia
    841.8×
  58. 58AnconaThe Marches, Italy
    841.8×
  59. 59GuangzhouGuangdong, China
    831.8×
  60. 60Mollet del VallèsCatalonia, Spain
    831.8×
  61. 61SantiagoSantiago Metropolitan, Chile
    821.7×
  62. 62Santa Anita - Los FicusLima region, Peru
    821.7×
  63. 63Wan ChaiWan Chai, Hong Kong
    811.7×
  64. 64KochaniKochani, North Macedonia
    801.7×
  65. 65Puente AltoSantiago Metropolitan, Chile
    801.6×
  66. 65GuadalajaraJalisco, Mexico
    801.6×
  67. 67Tuen MunTuen Mun, Hong Kong
    801.6×
  68. 67MurciaMurcia, Spain
    801.6×
  69. 69San Francisco TlalcilalcalpanMéxico, Mexico
    791.6×
  70. 69TalaganteSantiago Metropolitan, Chile
    791.6×
  71. 69AricaArica y Parinacota Region, Chile
    791.6×
  72. 72VolosThessaly, Greece
    791.6×
  73. 73TolucaMéxico, Mexico
    791.6×
  74. 73RengoO'Higgins Region, Chile
    791.6×
  75. 75BucharestBucharest, Romania
    781.6×
  76. 75CelayaGuanajuato, Mexico
    781.6×
  77. 77AsahikawaHokkaido, Japan
    771.6×
  78. 78ZapopanJalisco, Mexico
    771.5×
  79. 79RancaguaO'Higgins Region, Chile
    771.5×
  80. 80OurenseGalicia, Spain
    771.5×
  81. 81PesaroThe Marches, Italy
    761.5×
  82. 82BergenVestland, Norway
    761.5×
  83. 83Falconara MarittimaThe Marches, Italy
    761.5×
  84. 83BirminghamAlabama, United States
    761.5×
  85. 85Ciudad Benito JuárezNuevo León, Mexico
    751.5×
  86. 86HualpénBiobio, Chile
    751.5×
  87. 87EdmontonAlberta, Canada
    741.4×
  88. 88OlsztynWarmia-Masuria, Poland
    741.4×
  89. 88San Martin Texmelucan de LabastidaPuebla, Mexico
    741.4×
  90. 88Ciudad General EscobedoNuevo León, Mexico
    741.4×
  91. 91Tin Shui WaiYuen Long, Hong Kong
    741.4×
  92. 92Cluj-NapocaCluj County, Romania
    731.4×
  93. 92Mo i RanaNordland, Norway
    731.4×
  94. 92TocopillaAntofagasta, Chile
    731.4×
  95. 95PristinaPristina, Kosovo
    731.4×
  96. 95PueblaPuebla, Mexico
    731.4×
  97. 95Sherwood ParkAlberta, Canada
    731.4×
  98. 98San Pedro de la PazBiobio, Chile
    731.4×
  99. 99JakartaJakarta, Indonesia
    731.4×
  100. 99ToméBiobio, Chile
    731.4×
  101. 101JeddahMecca Region, Saudi Arabia
    721.4×
  102. 101Zacatepec de HidalgoMorelos, Mexico
    721.4×
  103. 101St. AlbertAlberta, Canada
    721.4×
  104. 104ColomboWestern Province, Sri Lanka
    721.4×
  105. 104Mong KokYau Tsim Mong District, Hong Kong
    721.4×
  106. 106TurinPiedmont, Italy
    721.3×
  107. 106QuinteroValparaiso, Chile
    721.3×
  108. 108Viña del MarValparaiso, Chile
    711.3×
  109. 109Mixquiahuala de JuárezHidalgo, Mexico
    711.3×
  110. 110Ciudad ApodacaNuevo León, Mexico
    701.3×
  111. 111BiałystokPodlasie, Poland
    701.3×
  112. 111MexicaliBaja California, Mexico
    701.3×
  113. 113AlgiersAlgiers, Algeria
    701.3×
  114. 114TehuacánPuebla, Mexico
    701.3×
  115. 115San CarlosÑuble, Chile
    691.3×
  116. 116VictoriaCentral and Western, Hong Kong
    691.3×
  117. 116HualquiBiobio, Chile
    691.3×
  118. 118TalcahuanoBiobio, Chile
    691.3×
  119. 119Tsuen WanTsuen Wan, Hong Kong
    691.2×
  120. 120San Andrés TuxtlaVeracruz, Mexico
    691.2×
  121. 120BogotáBogota D.C., Colombia
    691.2×
  122. 120San Salvador TizatlalliMéxico, Mexico
    691.2×
  123. 123AugustówPodlasie, Poland
    681.2×
  124. 124BakuBaki, Azerbaijan
    681.2×
  125. 124ConcónValparaiso, Chile
    681.2×
  126. 126Oklahoma CityOklahoma, United States
    681.2×
  127. 127Sham Shui PoSham Shui Po District, Hong Kong
    681.2×
  128. 127Maebaru-chūōFukuoka, Japan
    681.2×
  129. 129ValenceAuvergne-Rhône-Alpes, France
    671.2×
  130. 129BartlettTennessee, United States
    671.2×
  131. 129HigashigōSaga, Japan
    671.2×
  132. 132CoronelBiobio, Chile
    671.2×
  133. 133ChiguayanteBiobio, Chile
    671.2×
  134. 134EłkWarmia-Masuria, Poland
    671.2×
  135. 134HattiesburgMississippi, United States
    671.2×
  136. 136Santa CatarinaNuevo León, Mexico
    671.2×
  137. 136EdmondOklahoma, United States
    671.2×
  138. 138MonterreyNuevo León, Mexico
    661.2×
  139. 138KennesawGeorgia, United States
    661.2×
  140. 138OremUtah, United States
    661.2×
  141. 141IaşiIași County, Romania
    661.2×
  142. 141GrajewoPodlasie, Poland
    661.2×
  143. 141DallasTexas, United States
    661.2×
  144. 144Romans-sur-IsèreAuvergne-Rhône-Alpes, France
    661.1×
  145. 145Sau Mau PingKwun Tong District, Hong Kong
    661.1×
  146. 145LourdesOccitanie, France
    661.1×
  147. 145TijuanaBaja California, Mexico
    661.1×
  148. 148Kwai ChungKwai Tsing District, Hong Kong
    661.1×
  149. 149Botevgradlow-cost sensorsSofia, Bulgaria
    651.1×
  150. 149BorgomaneroPiedmont, Italy
    651.1×
  151. 149CuricóMaule Region, Chile
    651.1×
  152. 152TrussvilleAlabama, United States
    651.1×
  153. 152BountifulUtah, United States
    651.1×
  154. 154KushikinoKagoshima, Japan
    651.1×
  155. 154ChillánÑuble, Chile
    651.1×
  156. 154ColumbusGeorgia, United States
    651.1×
  157. 157TalcaMaule Region, Chile
    651.1×
  158. 157HuntsvilleAlabama, United States
    651.1×
  159. 157North OgdenUtah, United States
    651.1×
  160. 157West JordanUtah, United States
    651.1×
  161. 161BelgradeCentral Serbia, Serbia
    651.1×
  162. 161Tai PoTai Po, Hong Kong
    651.1×
  163. 161GardanneProvence-Alpes-Côte d'Azur, France
    651.1×
  164. 161Los ÁngelesBiobio, Chile
    651.1×
  165. 161AntofagastaAntofagasta, Chile
    651.1×
  166. 161Villa Poeta José Gálvez BarrenecheaLima region, Peru
    651.1×
  167. 167HumennéPrešov Region, Slovakia
    641.1×
  168. 167ŌmutaFukuoka, Japan
    641.1×
  169. 169YanagawaFukuoka, Japan
    641.1×
  170. 169QuillotaValparaiso, Chile
    641.1×
  171. 169CalamaAntofagasta, Chile
    641.1×
  172. 172Gabrovolow-cost sensorsGabrovo, Bulgaria
    641.1×
  173. 172Kanzakimachi-kanzakiSaga, Japan
    641.1×
  174. 172CoquimboCoquimbo Region, Chile
    641.1×
  175. 175MiyakonojōMiyazaki, Japan
    641.1×
  176. 175MonacoMunicipality of Monaco, Monaco
    641.1×
  177. 175Novi SadVojvodina, Serbia
    641.1×
  178. 175ConcepciónBiobio, Chile
    641.1×
  179. 179Quezon Citylow-cost sensorsNational Capital Region, Philippines
    641.1×
  180. 179NacimientoBiobio, Chile
    641.1×
  181. 179TopekaKansas, United States
    641.1×
  182. 179St. LouisMissouri, United States
    641.1×
  183. 183Sha TinSha Tin, Hong Kong
    631.1×
  184. 183TexarkanaTexas, United States
    631.1×
  185. 185TosuSaga, Japan
    631.0×
  186. 185WolfsbergCarinthia, Austria
    631.0×
  187. 185Klagenfurt am WörtherseeCarinthia, Austria
    631.0×
  188. 185CastresOccitanie, France
    631.0×
  189. 185Kansas CityKansas, United States
    631.0×
  190. 185JacksonMississippi, United States
    631.0×
  191. 185KasugaFukuoka, Japan
    631.0×
  192. 192SuwałkiPodlasie, Poland
    631.0×
  193. 192SendaiKagoshima, Japan
    631.0×
  194. 192PécsBaranya, Hungary
    631.0×
  195. 192LillestrømAkershus, Norway
    631.0×
  196. 192East RidgeTennessee, United States
    631.0×
  197. 197CoyhaiqueAysén, Chile
    631.0×
  198. 197ItoshimaFukuoka, Japan
    631.0×
  199. 199SagaSaga, Japan
    631.0×
  200. 199FukuokaFukuoka, Japan
    631.0×

Top 200 of 1,987 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 4, 2024, smogrank.com/history/2024-01-04 (accessed 2 Oct 2026).

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