SmogRank / History / January 15, 2024

Most polluted cities on January 15, 2024

2,076 cities ranked by their average PM2.5 over the day; the worst was Peshawar, Pakistan, at 334.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during January 15, 2024. All episodes.

← Peshawar 334.0 µg/m³ 300 µg/m³15 WHO 24-hour guideline
Every city ranked for January 15, 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
    500+22.3×
  2. 2Lahorelow-cost sensorsPunjab, Pakistan
    48721.3×
  3. 3Islamabadlow-cost sensorsIslamabad, Pakistan
    36217.1×
  4. 4Ulan BatorUlaanbaatar, Mongolia
    28814.2×
  5. 5DelhiDelhi, India
    28313.9×
  6. 6N'DjamenaN’Djaména, Chad
    25912.3×
  7. 7Dhakalow-cost sensorsDhaka Division, Bangladesh
    25612.1×
  8. 8SarajevoFederation of B&H, Bosnia and Herzegovina
    23310.5×
  9. 9NišCentral Serbia, Serbia
    2139.2×
  10. 10PljevljaPljevlja, Montenegro
    1937.7×
  11. 11Karachilow-cost sensorsSindh, Pakistan
    1907.4×
  12. 11Banja LukaSrpska, Bosnia and Herzegovina
    1907.4×
  13. 13TetovoTetovo, North Macedonia
    1867.0×
  14. 14ChennaiTamil Nadu, India
    1756.0×
  15. 15KavadarciKavadarci, North Macedonia
    1735.8×
  16. 16VelesVeles, North Macedonia
    1735.8×
  17. 17HyderabadTelangana, India
    1705.5×
  18. 18IlindenIlinden, North Macedonia
    1665.1×
  19. 19Kathmandulow-cost sensorsBagmati Province, Nepal
    1665.1×
  20. 20Kampalalow-cost sensorsCentral Region, Uganda
    1655.0×
  21. 21CapannoriTuscany, Italy
    1614.7×
  22. 22MurciaMurcia, Spain
    1594.4×
  23. 23BitolaBitola, North Macedonia
    1584.4×
  24. 24AnconaThe Marches, Italy
    1564.2×
  25. 25RatchaburiRatchaburi, Thailand
    1554.1×
  26. 26Sevlievolow-cost sensorsGabrovo, Bulgaria
    1554.1×
  27. 27PodgoricaPodgorica, Montenegro
    1554.0×
  28. 28Samut SakhonSamut Sakhon, Thailand
    1544.0×
  29. 29SofiaSofia-Capital, Bulgaria
    1544.0×
  30. 29PesaroThe Marches, Italy
    1544.0×
  31. 31Haskovolow-cost sensorsHaskovo, Bulgaria
    1533.9×
  32. 32ThessaloníkiCentral Macedonia, Greece
    1523.8×
  33. 33ColomboWestern Province, Sri Lanka
    1523.8×
  34. 34Nong KhaemBangkok, Thailand
    1463.6×
  35. 35YangonYangon, Myanmar
    1423.5×
  36. 36KanchanaburiKanchanaburi, Thailand
    1423.5×
  37. 37AlessandriaPiedmont, Italy
    1413.4×
  38. 38CairoCairo, Egypt
    1393.4×
  39. 39SkopjeGrad Skopje, North Macedonia
    1373.3×
  40. 40Mueang NonthaburiNonthaburi, Thailand
    1363.3×
  41. 41Khlong LuangPathum Thani, Thailand
    1323.2×
  42. 42ManlleuCatalonia, Spain
    1313.2×
  43. 43HanoiHanoi, Vietnam
    1313.2×
  44. 44LazarevacCentral Serbia, Serbia
    1313.2×
  45. 45Ban Samae DamBangkok, Thailand
    1283.1×
  46. 46KochaniKochani, North Macedonia
    1283.1×
  47. 47GuangzhouGuangdong, China
    1273.1×
  48. 48Lat KrabangBangkok, Thailand
    1263.1×
  49. 49ShenyangLiaoning, China
    1243.0×
  50. 50Falconara MarittimaThe Marches, Italy
    1243.0×
  51. 51GuadalajaraJalisco, Mexico
    1243.0×
  52. 52KigaliKigali, Rwanda
    1233.0×
  53. 52Vranov nad TopľouPrešov Region, Slovakia
    1233.0×
  54. 54AranyaprathetSa Kaeo, Thailand
    1222.9×
  55. 55GivorsAuvergne-Rhône-Alpes, France
    1202.9×
  56. 56MexicaliBaja California, Mexico
    1202.9×
  57. 57SukhothaiSukhothai, Thailand
    1192.9×
  58. 58Nakhon PathomNakhon Pathom, Thailand
    1182.8×
  59. 59BordeauxNew Aquitaine, France
    1172.8×
  60. 59Lak SiBangkok, Thailand
    1172.8×
  61. 61Bueng KumBangkok, Thailand
    1162.8×
  62. 62LampangLampang, Thailand
    1152.7×
  63. 63PančevoVojvodina, Serbia
    1142.7×
  64. 63Si Maha PhotPrachin Buri, Thailand
    1142.7×
  65. 65Laem ChabangChon Buri, Thailand
    1132.7×
  66. 66Bang NaBangkok, Thailand
    1122.7×
  67. 67JesiThe Marches, Italy
    1122.7×
  68. 68Mae SotTak, Thailand
    1112.6×
  69. 69HumennéPrešov Region, Slovakia
    1112.6×
  70. 69ChâteaurouxCentre-Val de Loire, France
    1112.6×
  71. 71SallanchesAuvergne-Rhône-Alpes, France
    1102.6×
  72. 72Hua HinPrachuap Khiri Khan, Thailand
    1092.6×
  73. 73TurinPiedmont, Italy
    1082.6×
  74. 74Saphan SungBangkok, Thailand
    1072.5×
  75. 75ZemunCentral Serbia, Serbia
    1072.5×
  76. 76CholulaPuebla, Mexico
    1062.5×
  77. 76Khan Na YaoBangkok, Thailand
    1062.5×
  78. 78BangkokBangkok, Thailand
    1032.4×
  79. 79BelgradeCentral Serbia, Serbia
    1032.4×
  80. 79Sai MaiBangkok, Thailand
    1032.4×
  81. 81Ban ChangRayong, Thailand
    1022.4×
  82. 81MeylanAuvergne-Rhône-Alpes, France
    1022.4×
  83. 81BourgesCentre-Val de Loire, France
    1022.4×
  84. 84Romans-sur-IsèreAuvergne-Rhône-Alpes, France
    1012.4×
  85. 84LleidaCatalonia, Spain
    1012.4×
  86. 84San Francisco TlalcilalcalpanMéxico, Mexico
    1012.4×
  87. 87NeversBourgogne-Franche-Comté, France
    1002.4×
  88. 88Samut PrakanSamut Prakan, Thailand
    982.3×
  89. 88Bang KapiBangkok, Thailand
    982.3×
  90. 88LormontNew Aquitaine, France
    982.3×
  91. 91IaşiIași County, Romania
    982.3×
  92. 91Phra PradaengSamut Prakan, Thailand
    982.3×
  93. 93RayongRayong, Thailand
    982.3×
  94. 93AuxerreBourgogne-Franche-Comté, France
    982.3×
  95. 95Şabāḩ as SālimMubārak al Kabīr, Kuwait
    972.3×
  96. 95Sing BuriSing Buri, Thailand
    972.3×
  97. 97GrazStyria, Austria
    972.2×
  98. 97LyonAuvergne-Rhône-Alpes, France
    972.2×
  99. 99Nong ChokBangkok, Thailand
    962.2×
  100. 99Barrio de PeralMurcia, Spain
    962.2×
  101. 101PrešovPrešov Region, Slovakia
    962.2×
  102. 102PhuketPhuket, Thailand
    952.2×
  103. 102Bang Bo DistrictSamut Prakan, Thailand
    952.2×
  104. 102DoleBourgogne-Franche-Comté, France
    952.2×
  105. 105Mae SaiChiang Rai, Thailand
    952.2×
  106. 105TolucaMéxico, Mexico
    952.2×
  107. 107Klagenfurt am WörtherseeCarinthia, Austria
    952.2×
  108. 108Cluj-NapocaCluj County, Romania
    942.2×
  109. 109Ban Khlong PrawetBangkok, Thailand
    942.1×
  110. 109GironaCatalonia, Spain
    942.1×
  111. 111Chai NatChai Nat, Thailand
    932.1×
  112. 112Suphan BuriSuphan Buri, Thailand
    932.1×
  113. 113Chiang MaiChiang Mai, Thailand
    932.1×
  114. 113Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    932.1×
  115. 115PristinaPristina, Kosovo
    922.1×
  116. 116GrenobleAuvergne-Rhône-Alpes, France
    922.1×
  117. 117CelayaGuanajuato, Mexico
    922.1×
  118. 118MarmandeNew Aquitaine, France
    922.1×
  119. 119San Andrés TuxtlaVeracruz, Mexico
    912.1×
  120. 120UttaraditUttaradit, Thailand
    912.0×
  121. 121SninaPrešov Region, Slovakia
    912.0×
  122. 121AlbertvilleAuvergne-Rhône-Alpes, France
    912.0×
  123. 123SaraburiSaraburi, Thailand
    902.0×
  124. 124ChambéryAuvergne-Rhône-Alpes, France
    902.0×
  125. 125BorgomaneroPiedmont, Italy
    902.0×
  126. 126Chiang RaiChiang Rai, Thailand
    892.0×
  127. 126Hawthornelow-cost sensorsCalifornia, United States
    892.0×
  128. 128Nakhon SawanNakhon Sawan, Thailand
    892.0×
  129. 128LimaLima Province, Peru
    892.0×
  130. 130SzegedCsongrád, Hungary
    892.0×
  131. 131MiskolcBorsod-Abaúj-Zemplén, Hungary
    881.9×
  132. 131MeyzieuAuvergne-Rhône-Alpes, France
    881.9×
  133. 133TroyesGrand Est, France
    881.9×
  134. 133Jurupa ValleyCalifornia, United States
    881.9×
  135. 135KošiceKošice Region, Slovakia
    871.9×
  136. 135Sainte-Geneviève-des-BoisÎle-de-France, France
    871.9×
  137. 135Saint-ChamondAuvergne-Rhône-Alpes, France
    871.9×
  138. 138JakartaJakarta, Indonesia
    871.9×
  139. 139VolosThessaly, Greece
    861.9×
  140. 139Addis AbabaAddis Ababa, Ethiopia
    861.9×
  141. 139PérigueuxNew Aquitaine, France
    861.9×
  142. 139BloisCentre-Val de Loire, France
    861.9×
  143. 139AngoulêmeNew Aquitaine, France
    861.9×
  144. 144BeijingBeijing, China
    861.9×
  145. 145PhichitPhichit, Thailand
    861.8×
  146. 145VesoulBourgogne-Franche-Comté, France
    861.8×
  147. 145Carsonlow-cost sensorsCalifornia, United States
    861.8×
  148. 145RiversideCalifornia, United States
    861.8×
  149. 149ObrenovacCentral Serbia, Serbia
    851.8×
  150. 150Las VegasNevada, United States
    851.8×
  151. 151ChanthaburiChanthaburi, Thailand
    851.8×
  152. 151San Tung Chung HangIslands, Hong Kong
    851.8×
  153. 151VitrollesProvence-Alpes-Côte d'Azur, France
    851.8×
  154. 151Aix-en-ProvenceProvence-Alpes-Côte d'Azur, France
    851.8×
  155. 155LamphunLamphun, Thailand
    841.8×
  156. 155MelunÎle-de-France, France
    841.8×
  157. 157NyíregyházaSzabolcs-Szatmár-Bereg, Hungary
    841.8×
  158. 157WolfsbergCarinthia, Austria
    841.8×
  159. 159Joué-lès-ToursCentre-Val de Loire, France
    841.8×
  160. 160AsprópyrgosAttica, Greece
    831.8×
  161. 161NîmesOccitanie, France
    831.8×
  162. 161ComptonCalifornia, United States
    831.8×
  163. 163PécsBaranya, Hungary
    831.7×
  164. 164MumbaiMaharashtra, India
    831.7×
  165. 164Montceau-les-MinesBourgogne-Franche-Comté, France
    831.7×
  166. 164Imperial BeachCalifornia, United States
    831.7×
  167. 167Inglewoodlow-cost sensorsCalifornia, United States
    821.7×
  168. 168SremčicaCentral Serbia, Serbia
    821.7×
  169. 168Ciudad Benito JuárezNuevo León, Mexico
    821.7×
  170. 170RabinalBaja Verapaz, Guatemala
    821.7×
  171. 171MulhouseGrand Est, France
    821.7×
  172. 171BesançonBourgogne-Franche-Comté, France
    821.7×
  173. 173Torrancelow-cost sensorsCalifornia, United States
    811.7×
  174. 174MontbéliardBourgogne-Franche-Comté, France
    811.7×
  175. 175SalorTashkent Region, Uzbekistan
    811.7×
  176. 176AnnecyAuvergne-Rhône-Alpes, France
    801.7×
  177. 176OurenseGalicia, Spain
    801.7×
  178. 176HamarInnlandet, Norway
    801.7×
  179. 176FontanaCalifornia, United States
    801.7×
  180. 180BucharestBucharest, Romania
    801.6×
  181. 180RanongRanong province, Thailand
    801.6×
  182. 182KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    801.6×
  183. 182PoitiersNew Aquitaine, France
    801.6×
  184. 182Santa CatarinaNuevo León, Mexico
    801.6×
  185. 185Chalon-sur-SaôneBourgogne-Franche-Comté, France
    801.6×
  186. 186CallaoCallao, Peru
    791.6×
  187. 187TratTrat, Thailand
    791.6×
  188. 187LoeiLoei, Thailand
    791.6×
  189. 189AthensAttica, Greece
    791.6×
  190. 190Nakhon Si ThammaratNakhon Si Thammarat, Thailand
    791.6×
  191. 190DunaújvárosFejér, Hungary
    791.6×
  192. 190TrentoTrentino-Alto Adige, Italy
    791.6×
  193. 190VeracruzVeracruz, Mexico
    791.6×
  194. 190QuinteroValparaiso, Chile
    791.6×
  195. 195RuseRuse, Bulgaria
    791.6×
  196. 195OlivetCentre-Val de Loire, France
    791.6×
  197. 195PrievidzaTrenčín Region, Slovakia
    791.6×
  198. 195AricaArica y Parinacota Region, Chile
    791.6×
  199. 199Saint-ÉtienneAuvergne-Rhône-Alpes, France
    781.6×
  200. 200Surat ThaniSurat Thani, Thailand
    781.6×

Top 200 of 2,076 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

Not covered: the government monitoring networks of China and Turkey, which publish no terms that let us reuse their readings. Most cities there are missing from this board, not clean. Why.

Use this board

SmogRank, most polluted cities, PM2.5, January 15, 2024, smogrank.com/history/2024-01-15 (accessed 3 Oct 2026).

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