SmogRank / History / February 6, 2024

Most polluted cities on February 6, 2024

2,168 cities ranked by their average PM2.5 over the day; the worst was N'Djamena, Chad, at 476.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during February 6, 2024. All episodes.

← N'Djamena 476.0 µg/m³ 400 µg/m³15 WHO 24-hour guideline
Every city ranked for February 6, 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. 1N'DjamenaN’Djaména, Chad
    500+31.7×
  2. 2Lahorelow-cost sensorsPunjab, Pakistan
    24311.2×
  3. 3Dhakalow-cost sensorsDhaka Division, Bangladesh
    23010.3×
  4. 4Ulan BatorUlaanbaatar, Mongolia
    22610.1×
  5. 5Abujalow-cost sensorsFCT, Nigeria
    2139.2×
  6. 6PljevljaPljevlja, Montenegro
    1978.1×
  7. 7StrumicaStrumica, North Macedonia
    1826.6×
  8. 8BresciaLombardy, Italy
    1766.0×
  9. 9SkopjeGrad Skopje, North Macedonia
    1735.8×
  10. 10Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1705.5×
  11. 11VigevanoLombardy, Italy
    1695.4×
  12. 12KavadarciKavadarci, North Macedonia
    1695.4×
  13. 13Novi PazarCentral Serbia, Serbia
    1685.3×
  14. 14Almatylow-cost sensorsAlmaty, Kazakhstan
    1675.3×
  15. 15NišCentral Serbia, Serbia
    1675.3×
  16. 16LodiLombardy, Italy
    1675.2×
  17. 17ShenyangLiaoning, China
    1665.2×
  18. 18NovaraPiedmont, Italy
    1665.1×
  19. 19MantuaLombardy, Italy
    1655.1×
  20. 20RoveretoTrentino-Alto Adige, Italy
    1655.1×
  21. 21Karachilow-cost sensorsSindh, Pakistan
    1655.0×
  22. 22DelhiDelhi, India
    1655.0×
  23. 23LampangLampang, Thailand
    1645.0×
  24. 24Kampalalow-cost sensorsCentral Region, Uganda
    1634.9×
  25. 24Islamabadlow-cost sensorsIslamabad, Pakistan
    1634.9×
  26. 26TrentoTrentino-Alto Adige, Italy
    1634.8×
  27. 27MonzaLombardy, Italy
    1634.8×
  28. 28Mae SotTak, Thailand
    1634.8×
  29. 29CairoCairo, Egypt
    1624.7×
  30. 30PaviaLombardy, Italy
    1624.7×
  31. 31KanchanaburiKanchanaburi, Thailand
    1624.7×
  32. 32MilanLombardy, Italy
    1614.7×
  33. 33LazarevacCentral Serbia, Serbia
    1614.7×
  34. 34CremonaLombardy, Italy
    1614.6×
  35. 35Kathmandulow-cost sensorsBagmati Province, Nepal
    1604.5×
  36. 36MukdahanMukdahan, Thailand
    1594.4×
  37. 37VelesVeles, North Macedonia
    1594.4×
  38. 38TetovoTetovo, North Macedonia
    1584.4×
  39. 39PodgoricaPodgorica, Montenegro
    1584.4×
  40. 40BergamoLombardy, Italy
    1584.3×
  41. 41ParedesPorto, Portugal
    1574.3×
  42. 42DalmineLombardy, Italy
    1574.3×
  43. 43Ubon RatchathaniUbon Ratchathani, Thailand
    1574.2×
  44. 44BolzanoTrentino-Alto Adige, Italy
    1574.2×
  45. 45MumbaiMaharashtra, India
    1564.2×
  46. 46KalasinKalasin, Thailand
    1564.2×
  47. 47YangonYangon, Myanmar
    1564.1×
  48. 48ZemunCentral Serbia, Serbia
    1554.1×
  49. 49Banja LukaSrpska, Bosnia and Herzegovina
    1544.0×
  50. 50PhayaoPhayao, Thailand
    1544.0×
  51. 51Nakhon SawanNakhon Sawan, Thailand
    1544.0×
  52. 52TreviglioLombardy, Italy
    1533.9×
  53. 53SmederevoCentral Serbia, Serbia
    1523.8×
  54. 54SukhothaiSukhothai, Thailand
    1513.7×
  55. 55Si Maha PhotPrachin Buri, Thailand
    1493.7×
  56. 56YasothonYasothon, Thailand
    1483.6×
  57. 57ChaiyaphumChaiyaphum, Thailand
    1473.6×
  58. 58PančevoVojvodina, Serbia
    1463.6×
  59. 58HyderabadTelangana, India
    1463.6×
  60. 60Nakhon PathomNakhon Pathom, Thailand
    1463.6×
  61. 61VeszprémVeszprém, Hungary
    1443.5×
  62. 62PhraePhrae, Thailand
    1423.5×
  63. 63AlessandriaPiedmont, Italy
    1413.5×
  64. 63SarajevoFederation of B&H, Bosnia and Herzegovina
    1413.5×
  65. 65Chai NatChai Nat, Thailand
    1403.4×
  66. 66RatchaburiRatchaburi, Thailand
    1403.4×
  67. 67Sing BuriSing Buri, Thailand
    1383.4×
  68. 68Khon KaenKhon Kaen, Thailand
    1373.4×
  69. 68Amnat CharoenAmnat Charoen, Thailand
    1373.4×
  70. 70ChennaiTamil Nadu, India
    1363.3×
  71. 71Lop BuriLopburi, Thailand
    1353.3×
  72. 72SurinSurin, Thailand
    1343.3×
  73. 73JohannesburgGauteng, South Africa
    1323.2×
  74. 74Samut SakhonSamut Sakhon, Thailand
    1313.2×
  75. 75ObrenovacCentral Serbia, Serbia
    1273.1×
  76. 75NanNan, Thailand
    1273.1×
  77. 77BelgradeCentral Serbia, Serbia
    1263.0×
  78. 78Suphan BuriSuphan Buri, Thailand
    1253.0×
  79. 79BloemfonteinFree State, South Africa
    1243.0×
  80. 80Nong KhaemBangkok, Thailand
    1212.9×
  81. 81PhichitPhichit, Thailand
    1202.9×
  82. 81Nong Bua LamphuNong Bua Lamphu, Thailand
    1202.9×
  83. 83BeijingBeijing, China
    1192.9×
  84. 84Si Sa KetSi Sa Ket, Thailand
    1192.8×
  85. 85IlindenIlinden, North Macedonia
    1182.8×
  86. 86HanoiHanoi, Vietnam
    1172.8×
  87. 87DushanbeDushanbe, Tajikistan
    1172.8×
  88. 88Ban Samae DamBangkok, Thailand
    1162.8×
  89. 89SremčicaCentral Serbia, Serbia
    1152.7×
  90. 90UžiceCentral Serbia, Serbia
    1152.7×
  91. 91Sakon NakhonSakon Nakhon, Thailand
    1142.7×
  92. 91OurenseGalicia, Spain
    1142.7×
  93. 93BitolaBitola, North Macedonia
    1142.7×
  94. 94Buri RamBuriram, Thailand
    1132.7×
  95. 95KigaliKigali, Rwanda
    1112.6×
  96. 95Chiang RaiChiang Rai, Thailand
    1112.6×
  97. 95UttaraditUttaradit, Thailand
    1112.6×
  98. 98Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1102.6×
  99. 99KochaniKochani, North Macedonia
    1102.6×
  100. 100Khlong Sam WaBangkok, Thailand
    1102.6×
  101. 101Khan Na YaoBangkok, Thailand
    1102.6×
  102. 102Mae SaiChiang Rai, Thailand
    1092.6×
  103. 102PhetchabunPhetchabun, Thailand
    1092.6×
  104. 104ErbaLombardy, Italy
    1082.6×
  105. 105CapannoriTuscany, Italy
    1082.5×
  106. 106Udon ThaniUdon Thani, Thailand
    1072.5×
  107. 106Khlong LuangPathum Thani, Thailand
    1072.5×
  108. 108SaraburiSaraburi, Thailand
    1062.5×
  109. 108Bang NaBangkok, Thailand
    1062.5×
  110. 110ĆuprijaCentral Serbia, Serbia
    1062.5×
  111. 111ComoLombardy, Italy
    1032.4×
  112. 112LoeiLoei, Thailand
    1022.4×
  113. 113VimercateLombardy, Italy
    1022.4×
  114. 114PhetchaburiPhetchaburi, Thailand
    1012.4×
  115. 115Lak SiBangkok, Thailand
    1012.4×
  116. 116Sai MaiBangkok, Thailand
    1002.3×
  117. 117PhuketPhuket, Thailand
    992.3×
  118. 117AranyaprathetSa Kaeo, Thailand
    992.3×
  119. 119Lat KrabangBangkok, Thailand
    992.3×
  120. 120LamphunLamphun, Thailand
    982.3×
  121. 121Bang KapiBangkok, Thailand
    982.3×
  122. 121Bueng KumBangkok, Thailand
    982.3×
  123. 123VolosThessaly, Greece
    972.3×
  124. 124Nong ChokBangkok, Thailand
    972.2×
  125. 124Mollet del VallèsCatalonia, Spain
    972.2×
  126. 126Saphan SungBangkok, Thailand
    962.2×
  127. 127VigoGalicia, Spain
    962.2×
  128. 128BangkokBangkok, Thailand
    952.2×
  129. 129TurinPiedmont, Italy
    942.2×
  130. 130Surat ThaniSurat Thani, Thailand
    942.1×
  131. 131ManlleuCatalonia, Spain
    932.1×
  132. 132Chiang MaiChiang Mai, Thailand
    932.1×
  133. 133SatunSatun, Thailand
    932.1×
  134. 134SantiagoSantiago Metropolitan, Chile
    922.1×
  135. 135FréjusProvence-Alpes-Côte d'Azur, France
    912.0×
  136. 136Nakhon Si ThammaratNakhon Si Thammarat, Thailand
    912.0×
  137. 137Mueang NonthaburiNonthaburi, Thailand
    912.0×
  138. 137GardanneProvence-Alpes-Côte d'Azur, France
    912.0×
  139. 139VareseLombardy, Italy
    902.0×
  140. 140Hua HinPrachuap Khiri Khan, Thailand
    902.0×
  141. 141ColomboWestern Province, Sri Lanka
    902.0×
  142. 141AlbertvilleAuvergne-Rhône-Alpes, France
    902.0×
  143. 143MarignaneProvence-Alpes-Côte d'Azur, France
    892.0×
  144. 143Puente AltoSantiago Metropolitan, Chile
    892.0×
  145. 145JakartaJakarta, Indonesia
    892.0×
  146. 145IrapuatoGuanajuato, Mexico
    892.0×
  147. 147Bang Bo DistrictSamut Prakan, Thailand
    892.0×
  148. 147Laudio / LlodioBasque Country, Spain
    892.0×
  149. 149LourdesOccitanie, France
    881.9×
  150. 149PesaroThe Marches, Italy
    881.9×
  151. 149Viña del MarValparaiso, Chile
    881.9×
  152. 152BailénAndalusia, Spain
    881.9×
  153. 153RancaguaO'Higgins Region, Chile
    871.9×
  154. 154MontpellierOccitanie, France
    871.9×
  155. 154Falconara MarittimaThe Marches, Italy
    871.9×
  156. 156Phra PradaengSamut Prakan, Thailand
    871.9×
  157. 156SallanchesAuvergne-Rhône-Alpes, France
    871.9×
  158. 158BilbaoBasque Country, Spain
    871.9×
  159. 159Ceglie MessapicaApulia, Italy
    861.9×
  160. 160TratTrat, Thailand
    861.9×
  161. 161JesiThe Marches, Italy
    861.8×
  162. 162BraPiedmont, Italy
    851.8×
  163. 163AsprópyrgosAttica, Greece
    851.8×
  164. 163Nakhon NayokNakhon Nayok, Thailand
    851.8×
  165. 165SevillaAndalusia, Spain
    841.8×
  166. 166DurangoBasque Country, Spain
    841.8×
  167. 167QuilpuéValparaiso, Chile
    841.8×
  168. 168MurciaMurcia, Spain
    841.8×
  169. 169AthensAttica, Greece
    831.8×
  170. 169PauNew Aquitaine, France
    831.8×
  171. 171TarragonaCatalonia, Spain
    831.8×
  172. 172BorgomaneroPiedmont, Italy
    831.7×
  173. 172RijekaPrimorje-Gorski Kotar, Croatia
    831.7×
  174. 172TalaganteSantiago Metropolitan, Chile
    831.7×
  175. 175GijónAsturias, Spain
    831.7×
  176. 176RengoO'Higgins Region, Chile
    821.7×
  177. 177MarseilleProvence-Alpes-Côte d'Azur, France
    821.7×
  178. 177SalouCatalonia, Spain
    821.7×
  179. 179Ban Khlong PrawetBangkok, Thailand
    821.7×
  180. 179ManosqueProvence-Alpes-Côte d'Azur, France
    821.7×
  181. 179LleidaCatalonia, Spain
    821.7×
  182. 182YalaYala, Thailand
    821.7×
  183. 182TarbesOccitanie, France
    821.7×
  184. 184Vranov nad TopľouPrešov Region, Slovakia
    821.7×
  185. 184Klagenfurt am WörtherseeCarinthia, Austria
    821.7×
  186. 184VitrollesProvence-Alpes-Côte d'Azur, France
    821.7×
  187. 184ArlesProvence-Alpes-Côte d'Azur, France
    821.7×
  188. 188PontevedraGalicia, Spain
    811.7×
  189. 189Fos-sur-MerProvence-Alpes-Côte d'Azur, France
    811.7×
  190. 190ChanthaburiChanthaburi, Thailand
    811.7×
  191. 190GrazStyria, Austria
    811.7×
  192. 190Salon-de-ProvenceProvence-Alpes-Côte d'Azur, France
    811.7×
  193. 193MeylanAuvergne-Rhône-Alpes, France
    811.7×
  194. 194Samut PrakanSamut Prakan, Thailand
    801.7×
  195. 194Ban ChangRayong, Thailand
    801.7×
  196. 194Laem ChabangChon Buri, Thailand
    801.7×
  197. 197Molina de SeguraMurcia, Spain
    801.7×
  198. 197Villefranche-sur-SaôneAuvergne-Rhône-Alpes, France
    801.7×
  199. 197GetxoBasque Country, Spain
    801.7×
  200. 200AsahikawaHokkaido, Japan
    801.6×

Top 200 of 2,168 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, February 6, 2024, smogrank.com/history/2024-02-06 (accessed 3 Oct 2026).

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.