SmogRank / History / January 11, 2024

Most polluted cities on January 11, 2024

2,106 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 321.0 µg/m³. Each city's own local calendar day.

← Lahore 321.0 µg/m³ 300 µg/m³15 WHO 24-hour guideline
Every city ranked for January 11, 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. 1Lahorelow-cost sensorsPunjab, Pakistan
    49121.4×
  2. 2Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    45920.3×
  3. 3Dhakalow-cost sensorsDhaka Division, Bangladesh
    30215.1×
  4. 4DelhiDelhi, India
    29614.7×
  5. 5Islamabadlow-cost sensorsIslamabad, Pakistan
    27613.4×
  6. 6KolkataWest Bengal, India
    26512.7×
  7. 7Kędzierzyn-KoźleOpole Voivodeship, Poland
    23010.3×
  8. 8N'DjamenaN’Djaména, Chad
    2209.7×
  9. 9KłodzkoLower Silesia, Poland
    2129.1×
  10. 10Ulan BatorUlaanbaatar, Mongolia
    2088.9×
  11. 11KrosnoSubcarpathia, Poland
    2068.7×
  12. 12OpoleOpole Voivodeship, Poland
    1988.1×
  13. 13MiskolcBorsod-Abaúj-Zemplén, Hungary
    1967.9×
  14. 14Karachilow-cost sensorsSindh, Pakistan
    1937.7×
  15. 15LazarevacCentral Serbia, Serbia
    1836.8×
  16. 16RacibórzSilesia, Poland
    1796.4×
  17. 17MielecSubcarpathia, Poland
    1786.3×
  18. 18SalorTashkent Region, Uzbekistan
    1766.1×
  19. 19OpavaMoravian-Silesian Region, Czechia
    1725.7×
  20. 20HyderabadTelangana, India
    1725.7×
  21. 20PřerovOlomouc Region, Czechia
    1725.7×
  22. 22RadomskoŁódź Voivodeship, Poland
    1715.6×
  23. 23SukhothaiSukhothai, Thailand
    1705.5×
  24. 24BeijingBeijing, China
    1675.2×
  25. 26MumbaiMaharashtra, India
    1655.0×
  26. 27KrakówLesser Poland, Poland
    1644.9×
  27. 28NiskoSubcarpathia, Poland
    1644.9×
  28. 29PančevoVojvodina, Serbia
    1644.9×
  29. 30BerounCentral Bohemia, Czechia
    1634.9×
  30. 31Ciudad Benito JuárezNuevo León, Mexico
    1624.8×
  31. 32Bielsko-BialaSilesia, Poland
    1624.7×
  32. 33PodgoricaPodgorica, Montenegro
    1624.7×
  33. 34Chai NatChai Nat, Thailand
    1614.7×
  34. 35Jelenia GóraLower Silesia, Poland
    1614.7×
  35. 36ŁaskŁódź Voivodeship, Poland
    1614.6×
  36. 37JasłoSubcarpathia, Poland
    1614.6×
  37. 38MidrandGauteng, South Africa
    1604.6×
  38. 39SremčicaCentral Serbia, Serbia
    1604.6×
  39. 40České BudějoviceSouth Bohemian Region, Czechia
    1604.5×
  40. 41SarpsborgØstfold, Norway
    1594.4×
  41. 42ZgierzŁódź Voivodeship, Poland
    1594.4×
  42. 43DejCluj County, Romania
    1584.4×
  43. 44DębicaSubcarpathia, Poland
    1584.4×
  44. 45OlomoucOlomouc Region, Czechia
    1584.3×
  45. 46ObrenovacCentral Serbia, Serbia
    1574.3×
  46. 46NišCentral Serbia, Serbia
    1574.3×
  47. 46Czechowice-DziedziceSilesia, Poland
    1574.3×
  48. 49BelgradeCentral Serbia, Serbia
    1574.3×
  49. 50WrocławLower Silesia, Poland
    1564.2×
  50. 51KroměřížZlín, Czechia
    1564.2×
  51. 52NyíregyházaSzabolcs-Szatmár-Bereg, Hungary
    1564.1×
  52. 52Sing BuriSing Buri, Thailand
    1564.1×
  53. 54IaşiIași County, Romania
    1554.1×
  54. 55KavadarciKavadarci, North Macedonia
    1554.1×
  55. 56KaliszGreater Poland, Poland
    1554.1×
  56. 57Abujalow-cost sensorsFCT, Nigeria
    1554.0×
  57. 58KatowiceSilesia, Poland
    1544.0×
  58. 59Vranov nad TopľouPrešov Region, Slovakia
    1544.0×
  59. 59Lop BuriLopburi, Thailand
    1544.0×
  60. 61ZemunCentral Serbia, Serbia
    1544.0×
  61. 62VelesVeles, North Macedonia
    1543.9×
  62. 63Skarżysko-KamiennaŚwiętokrzyskie, Poland
    1533.9×
  63. 63Nakhon SawanNakhon Sawan, Thailand
    1533.9×
  64. 63FredrikstadØstfold, Norway
    1533.9×
  65. 66HumennéPrešov Region, Slovakia
    1533.9×
  66. 67KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    1533.9×
  67. 68DushanbeDushanbe, Tajikistan
    1533.9×
  68. 69PraguePrague, Czechia
    1533.8×
  69. 70DěčínÚstí nad Labem Region, Czechia
    1523.8×
  70. 71Hradec KrálovéHradec Králové Region, Czechia
    1523.8×
  71. 72PrešovPrešov Region, Slovakia
    1523.8×
  72. 73Jastrzębie ZdrójSilesia, Poland
    1523.8×
  73. 74PilsenPlzeň Region, Czechia
    1523.8×
  74. 75Kampalalow-cost sensorsCentral Region, Uganda
    1513.7×
  75. 76ChennaiTamil Nadu, India
    1513.7×
  76. 77Kathmandulow-cost sensorsBagmati Province, Nepal
    1513.7×
  77. 78PhichitPhichit, Thailand
    1503.7×
  78. 79UttaraditUttaradit, Thailand
    1483.6×
  79. 80ZamośćLublin, Poland
    1473.6×
  80. 80ŽilinaŽilina Region, Slovakia
    1473.6×
  81. 82RatchaburiRatchaburi, Thailand
    1473.6×
  82. 83RužomberokŽilina Region, Slovakia
    1463.6×
  83. 84JenaThuringia, Germany
    1453.6×
  84. 84Banja LukaSrpska, Bosnia and Herzegovina
    1453.6×
  85. 86MartinŽilina Region, Slovakia
    1453.5×
  86. 87NysaOpole Voivodeship, Poland
    1423.5×
  87. 88LampangLampang, Thailand
    1413.4×
  88. 89ManlleuCatalonia, Spain
    1403.4×
  89. 90PhraePhrae, Thailand
    1403.4×
  90. 91GreizThuringia, Germany
    1403.4×
  91. 92TetovoTetovo, North Macedonia
    1393.4×
  92. 93Khlong LuangPathum Thani, Thailand
    1393.4×
  93. 93FuldaHesse, Germany
    1393.4×
  94. 95WeimarThuringia, Germany
    1383.4×
  95. 95PassauBavaria, Germany
    1383.4×
  96. 97HavířovMoravian-Silesian Region, Czechia
    1373.4×
  97. 98TlaquepaqueJalisco, Mexico
    1363.3×
  98. 98Khlong Sam WaBangkok, Thailand
    1363.3×
  99. 100TraunUpper Austria, Austria
    1353.3×
  100. 100ReutlingenBaden-Wurttemberg, Germany
    1353.3×
  101. 102Kamphaeng PhetKamphaeng Phet, Thailand
    1353.3×
  102. 103PardubicePardubice Region, Czechia
    1343.3×
  103. 104TübingenBaden-Wurttemberg, Germany
    1343.3×
  104. 105NanNan, Thailand
    1333.2×
  105. 105Bang NaBangkok, Thailand
    1333.2×
  106. 105AnsfeldenUpper Austria, Austria
    1333.2×
  107. 108Khan Na YaoBangkok, Thailand
    1323.2×
  108. 109Mueang NonthaburiNonthaburi, Thailand
    1323.2×
  109. 109Lat KrabangBangkok, Thailand
    1323.2×
  110. 111Mae SotTak, Thailand
    1313.2×
  111. 111Bueng KumBangkok, Thailand
    1313.2×
  112. 113StarachowiceŚwiętokrzyskie, Poland
    1313.2×
  113. 114KošiceKošice Region, Slovakia
    1313.2×
  114. 114ErfurtThuringia, Germany
    1313.2×
  115. 116Bang KapiBangkok, Thailand
    1303.2×
  116. 116AranyaprathetSa Kaeo, Thailand
    1303.2×
  117. 118TarnówLesser Poland, Poland
    1303.2×
  118. 119Hanau am MainHesse, Germany
    1303.1×
  119. 120UlmBaden-Wurttemberg, Germany
    1293.1×
  120. 121AltenburgThuringia, Germany
    1283.1×
  121. 122FilderstadtBaden-Wurttemberg, Germany
    1283.1×
  122. 123GyőrGyőr-Moson-Sopron, Hungary
    1283.1×
  123. 124StuttgartBaden-Wurttemberg, Germany
    1273.1×
  124. 125Neu-UlmBavaria, Germany
    1263.0×
  125. 126RzeszówSubcarpathia, Poland
    1263.0×
  126. 127Nong ChokBangkok, Thailand
    1253.0×
  127. 127ZlínZlín, Czechia
    1253.0×
  128. 127TepliceÚstí nad Labem Region, Czechia
    1253.0×
  129. 130Suphan BuriSuphan Buri, Thailand
    1253.0×
  130. 130Saphan SungBangkok, Thailand
    1253.0×
  131. 132GeraThuringia, Germany
    1253.0×
  132. 132MulhouseGrand Est, France
    1253.0×
  133. 134LudwigsburgBaden-Wurttemberg, Germany
    1243.0×
  134. 135YangonYangon, Myanmar
    1243.0×
  135. 136SaraburiSaraburi, Thailand
    1243.0×
  136. 137Lak SiBangkok, Thailand
    1233.0×
  137. 138AalenBaden-Wurttemberg, Germany
    1233.0×
  138. 138Novi SadVojvodina, Serbia
    1233.0×
  139. 140Ludwigshafen am RheinRheinland-Pfalz, Germany
    1222.9×
  140. 140KoblenzRheinland-Pfalz, Germany
    1222.9×
  141. 142BensheimHesse, Germany
    1212.9×
  142. 143Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1212.9×
  143. 143WormsRheinland-Pfalz, Germany
    1212.9×
  144. 143PforzheimBaden-Wurttemberg, Germany
    1212.9×
  145. 146OstravaMoravian-Silesian Region, Czechia
    1202.9×
  146. 147SpeyerRheinland-Pfalz, Germany
    1202.9×
  147. 147MannheimBaden-Wurttemberg, Germany
    1202.9×
  148. 149BergheimNorth Rhine-Westphalia, Germany
    1192.9×
  149. 149KladnoCentral Bohemia, Czechia
    1192.9×
  150. 151NeuwiedRheinland-Pfalz, Germany
    1192.9×
  151. 152AschaffenburgBavaria, Germany
    1192.8×
  152. 153Rüsselsheim am MainHesse, Germany
    1182.8×
  153. 153DarmstadtHesse, Germany
    1182.8×
  154. 155SaalfeldThuringia, Germany
    1182.8×
  155. 156KrefeldNorth Rhine-Westphalia, Germany
    1182.8×
  156. 157LinzUpper Austria, Austria
    1172.8×
  157. 157GroßostheimBavaria, Germany
    1172.8×
  158. 157CottbusBrandenburg, Germany
    1172.8×
  159. 160Nong KhaemBangkok, Thailand
    1172.8×
  160. 161Limburg an der LahnHesse, Germany
    1172.8×
  161. 162KarlsruheBaden-Wurttemberg, Germany
    1162.8×
  162. 162EisenachThuringia, Germany
    1162.8×
  163. 162Valašské MeziříčíZlín, Czechia
    1162.8×
  164. 165SarajevoFederation of B&H, Bosnia and Herzegovina
    1162.8×
  165. 166LampertheimHesse, Germany
    1152.7×
  166. 167Nakhon RatchasimaNakhon Ratchasima, Thailand
    1152.7×
  167. 167LiègeWallonia, Belgium
    1152.7×
  168. 167Sai MaiBangkok, Thailand
    1152.7×
  169. 170MainzRheinland-Pfalz, Germany
    1142.7×
  170. 171WelsUpper Austria, Austria
    1142.7×
  171. 172HerrenbergBaden-Wurttemberg, Germany
    1132.7×
  172. 173ŁódźŁódź Voivodeship, Poland
    1132.7×
  173. 174PruszkówMazovia, Poland
    1132.7×
  174. 175Ban Samae DamBangkok, Thailand
    1122.7×
  175. 176Ciudad ApodacaNuevo León, Mexico
    1122.7×
  176. 177KehlBaden-Wurttemberg, Germany
    1112.6×
  177. 180SzegedCsongrád, Hungary
    1112.6×
  178. 180Ban Khlong PrawetBangkok, Thailand
    1112.6×
  179. 180GrazStyria, Austria
    1112.6×
  180. 183BaselBasel-City, Switzerland
    1102.6×
  181. 184JülichNorth Rhine-Westphalia, Germany
    1102.6×
  182. 185WeißenfelsSaxony-Anhalt, Germany
    1092.6×
  183. 186TrenčínTrenčín Region, Slovakia
    1092.6×
  184. 186Ciudad General EscobedoNuevo León, Mexico
    1092.6×
  185. 188MühlhausenThuringia, Germany
    1092.6×
  186. 188Frankfurt am MainHesse, Germany
    1092.6×
  187. 188EschbornHesse, Germany
    1092.6×
  188. 188ÉpinalGrand Est, France
    1092.6×
  189. 192LublinLublin, Poland
    1082.6×
  190. 192KölnNorth Rhine-Westphalia, Germany
    1082.6×
  191. 194RadomMazovia, Poland
    1082.6×
  192. 194PécsBaranya, Hungary
    1082.6×
  193. 196FreiburgBaden-Wurttemberg, Germany
    1082.5×
  194. 197JüchenNorth Rhine-Westphalia, Germany
    1072.5×
  195. 198Bitterfeld-WolfenSaxony-Anhalt, Germany
    1072.5×
  196. 198Baden-BadenBaden-Wurttemberg, Germany
    1072.5×
  197. 200Sevlievolow-cost sensorsGabrovo, Bulgaria
    1072.5×

Top 200 of 2,106 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 11, 2024, smogrank.com/history/2024-01-11 (accessed 3 Oct 2026).

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