SmogRank / History / February 7, 2024

Most polluted cities on February 7, 2024

2,180 cities ranked by their average PM2.5 over the day; the worst was N'Djamena, Chad, at 190.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during February 7, 2024. All episodes.

← N'Djamena 190.0 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for February 7, 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
    26512.7×
  2. 2Ulan BatorUlaanbaatar, Mongolia
    23510.7×
  3. 3Abujalow-cost sensorsFCT, Nigeria
    22710.1×
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    2219.7×
  5. 5Lahorelow-cost sensorsPunjab, Pakistan
    2209.7×
  6. 6PljevljaPljevlja, Montenegro
    1907.4×
  7. 7ShenyangLiaoning, China
    1856.9×
  8. 8PodgoricaPodgorica, Montenegro
    1796.3×
  9. 9SkopjeGrad Skopje, North Macedonia
    1786.2×
  10. 10StrumicaStrumica, North Macedonia
    1766.1×
  11. 11TlaquepaqueJalisco, Mexico
    1725.7×
  12. 12Novi PazarCentral Serbia, Serbia
    1705.5×
  13. 12LazarevacCentral Serbia, Serbia
    1705.5×
  14. 14DelhiDelhi, India
    1705.5×
  15. 15KavadarciKavadarci, North Macedonia
    1695.4×
  16. 16ChaiyaphumChaiyaphum, Thailand
    1665.2×
  17. 17VelesVeles, North Macedonia
    1665.1×
  18. 18KanchanaburiKanchanaburi, Thailand
    1655.0×
  19. 19MukdahanMukdahan, Thailand
    1634.9×
  20. 20Ubon RatchathaniUbon Ratchathani, Thailand
    1634.8×
  21. 21NišCentral Serbia, Serbia
    1614.6×
  22. 22Kathmandulow-cost sensorsBagmati Province, Nepal
    1604.6×
  23. 23TetovoTetovo, North Macedonia
    1604.6×
  24. 24LampangLampang, Thailand
    1604.5×
  25. 25SmederevoCentral Serbia, Serbia
    1594.5×
  26. 25Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1594.5×
  27. 27CairoCairo, Egypt
    1594.5×
  28. 28KalasinKalasin, Thailand
    1594.5×
  29. 29BresciaLombardy, Italy
    1594.4×
  30. 30Kampalalow-cost sensorsCentral Region, Uganda
    1584.3×
  31. 31HyderabadTelangana, India
    1584.3×
  32. 32ZemunCentral Serbia, Serbia
    1574.2×
  33. 33RoveretoTrentino-Alto Adige, Italy
    1564.2×
  34. 34Karachilow-cost sensorsSindh, Pakistan
    1564.1×
  35. 35VigevanoLombardy, Italy
    1554.1×
  36. 36Nong Bua LamphuNong Bua Lamphu, Thailand
    1554.0×
  37. 36Khon KaenKhon Kaen, Thailand
    1554.0×
  38. 38Nakhon SawanNakhon Sawan, Thailand
    1544.0×
  39. 39YasothonYasothon, Thailand
    1544.0×
  40. 40PaviaLombardy, Italy
    1533.9×
  41. 41TrentoTrentino-Alto Adige, Italy
    1533.9×
  42. 42Chai NatChai Nat, Thailand
    1533.9×
  43. 43PančevoVojvodina, Serbia
    1523.8×
  44. 43MantuaLombardy, Italy
    1523.8×
  45. 45Sing BuriSing Buri, Thailand
    1523.8×
  46. 46Nakhon PathomNakhon Pathom, Thailand
    1523.8×
  47. 47SukhothaiSukhothai, Thailand
    1503.7×
  48. 48IlindenIlinden, North Macedonia
    1493.7×
  49. 49Amnat CharoenAmnat Charoen, Thailand
    1493.7×
  50. 50PhetchabunPhetchabun, Thailand
    1473.6×
  51. 51YangonYangon, Myanmar
    1473.6×
  52. 52ChennaiTamil Nadu, India
    1473.6×
  53. 52MumbaiMaharashtra, India
    1473.6×
  54. 54PhraePhrae, Thailand
    1463.6×
  55. 55Almatylow-cost sensorsAlmaty, Kazakhstan
    1453.6×
  56. 56KigaliKigali, Rwanda
    1453.6×
  57. 57MonzaLombardy, Italy
    1403.4×
  58. 58Islamabadlow-cost sensorsIslamabad, Pakistan
    1393.4×
  59. 59SurinSurin, Thailand
    1393.4×
  60. 60PhayaoPhayao, Thailand
    1373.4×
  61. 61Sakon NakhonSakon Nakhon, Thailand
    1373.3×
  62. 62RatchaburiRatchaburi, Thailand
    1363.3×
  63. 63KochaniKochani, North Macedonia
    1363.3×
  64. 64Lop BuriLopburi, Thailand
    1333.2×
  65. 65TreviglioLombardy, Italy
    1333.2×
  66. 66Suphan BuriSuphan Buri, Thailand
    1323.2×
  67. 67Udon ThaniUdon Thani, Thailand
    1313.2×
  68. 68SarajevoFederation of B&H, Bosnia and Herzegovina
    1303.2×
  69. 69UžiceCentral Serbia, Serbia
    1303.1×
  70. 70BelgradeCentral Serbia, Serbia
    1293.1×
  71. 71Si Maha PhotPrachin Buri, Thailand
    1293.1×
  72. 72PhichitPhichit, Thailand
    1263.0×
  73. 73Buri RamBuriram, Thailand
    1253.0×
  74. 74LodiLombardy, Italy
    1243.0×
  75. 75CremonaLombardy, Italy
    1243.0×
  76. 76BadgerAlaska, United States
    1212.9×
  77. 77Ciudad Benito JuárezNuevo León, Mexico
    1202.9×
  78. 78ObrenovacCentral Serbia, Serbia
    1202.9×
  79. 78Si Sa KetSi Sa Ket, Thailand
    1202.9×
  80. 80NanNan, Thailand
    1192.9×
  81. 81BolzanoTrentino-Alto Adige, Italy
    1162.8×
  82. 82BitolaBitola, North Macedonia
    1162.8×
  83. 83SaronnoLombardy, Italy
    1152.8×
  84. 83MilanLombardy, Italy
    1152.8×
  85. 85DejCluj County, Romania
    1152.7×
  86. 86OurenseGalicia, Spain
    1132.7×
  87. 87Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1122.7×
  88. 88Chiang RaiChiang Rai, Thailand
    1112.6×
  89. 89PhuketPhuket, Thailand
    1102.6×
  90. 90Mollet del VallèsCatalonia, Spain
    1102.6×
  91. 91AlessandriaPiedmont, Italy
    1092.6×
  92. 92ColomboWestern Province, Sri Lanka
    1092.6×
  93. 92GuadalajaraJalisco, Mexico
    1092.6×
  94. 94ThessaloníkiCentral Macedonia, Greece
    1072.5×
  95. 95HanoiHanoi, Vietnam
    1062.5×
  96. 95NovaraPiedmont, Italy
    1062.5×
  97. 97Nong KhaemBangkok, Thailand
    1062.5×
  98. 98Kamphaeng PhetKamphaeng Phet, Thailand
    1052.5×
  99. 99Mae SaiChiang Rai, Thailand
    1042.5×
  100. 100Khlong LuangPathum Thani, Thailand
    1042.4×
  101. 101LamphunLamphun, Thailand
    1032.4×
  102. 102Bang NaBangkok, Thailand
    1032.4×
  103. 102KourouGuyane, French Guiana
    1032.4×
  104. 104SremčicaCentral Serbia, Serbia
    1002.4×
  105. 104Ban Samae DamBangkok, Thailand
    1002.4×
  106. 106Samut SakhonSamut Sakhon, Thailand
    1002.3×
  107. 107ManlleuCatalonia, Spain
    992.3×
  108. 107CapannoriTuscany, Italy
    992.3×
  109. 109TurinPiedmont, Italy
    992.3×
  110. 110SaraburiSaraburi, Thailand
    992.3×
  111. 110LoeiLoei, Thailand
    992.3×
  112. 112UttaraditUttaradit, Thailand
    972.3×
  113. 113Khlong Sam WaBangkok, Thailand
    972.3×
  114. 114GironaCatalonia, Spain
    962.2×
  115. 115SasolburgFree State, South Africa
    962.2×
  116. 115Bang KapiBangkok, Thailand
    962.2×
  117. 117DalmineLombardy, Italy
    962.2×
  118. 118PhetchaburiPhetchaburi, Thailand
    952.2×
  119. 118VimercateLombardy, Italy
    952.2×
  120. 118BeneventoCampania, Italy
    952.2×
  121. 121Nong ChokBangkok, Thailand
    952.2×
  122. 122AranyaprathetSa Kaeo, Thailand
    952.2×
  123. 123GainesvilleFlorida, United States
    942.1×
  124. 124ĆuprijaCentral Serbia, Serbia
    932.1×
  125. 124BraPiedmont, Italy
    932.1×
  126. 124BorgomaneroPiedmont, Italy
    932.1×
  127. 124Banja LukaSrpska, Bosnia and Herzegovina
    932.1×
  128. 124Khan Na YaoBangkok, Thailand
    932.1×
  129. 129CayenneGuyane, French Guiana
    932.1×
  130. 130LleidaCatalonia, Spain
    932.1×
  131. 130Lat KrabangBangkok, Thailand
    932.1×
  132. 132ColumbusGeorgia, United States
    922.1×
  133. 132Lak SiBangkok, Thailand
    922.1×
  134. 134Surat ThaniSurat Thani, Thailand
    912.0×
  135. 135Hua HinPrachuap Khiri Khan, Thailand
    902.0×
  136. 136GijónAsturias, Spain
    892.0×
  137. 137Sai MaiBangkok, Thailand
    892.0×
  138. 138Nakhon NayokNakhon Nayok, Thailand
    892.0×
  139. 138VigoGalicia, Spain
    892.0×
  140. 138ErbaLombardy, Italy
    892.0×
  141. 141AostaAosta Valley, Italy
    892.0×
  142. 141Saphan SungBangkok, Thailand
    892.0×
  143. 143MentonProvence-Alpes-Côte d'Azur, France
    881.9×
  144. 144Chiang MaiChiang Mai, Thailand
    881.9×
  145. 144BarcelonaCatalonia, Spain
    881.9×
  146. 146JakartaJakarta, Indonesia
    881.9×
  147. 147SondrioLombardy, Italy
    881.9×
  148. 147Bueng KumBangkok, Thailand
    881.9×
  149. 149ComoLombardy, Italy
    881.9×
  150. 150BangkokBangkok, Thailand
    871.9×
  151. 151CelayaGuanajuato, Mexico
    871.9×
  152. 152VanderbijlparkGauteng, South Africa
    851.8×
  153. 153Granadilla de AbonaCanary Islands, Spain
    851.8×
  154. 154TratTrat, Thailand
    851.8×
  155. 155Mueang NonthaburiNonthaburi, Thailand
    841.8×
  156. 156SantiagoSantiago Metropolitan, Chile
    841.8×
  157. 157VolosThessaly, Greece
    831.8×
  158. 158ChanthaburiChanthaburi, Thailand
    831.7×
  159. 159Bang Bo DistrictSamut Prakan, Thailand
    821.7×
  160. 160IaşiIași County, Romania
    821.7×
  161. 160IrapuatoGuanajuato, Mexico
    821.7×
  162. 162WolfsbergCarinthia, Austria
    821.7×
  163. 163DushanbeDushanbe, Tajikistan
    821.7×
  164. 163MonterreyNuevo León, Mexico
    821.7×
  165. 163MontréalQuebec, Canada
    821.7×
  166. 166TarbesOccitanie, France
    811.7×
  167. 166VareseLombardy, Italy
    811.7×
  168. 168MurciaMurcia, Spain
    811.7×
  169. 169Phra PradaengSamut Prakan, Thailand
    811.7×
  170. 170Klagenfurt am WörtherseeCarinthia, Austria
    811.7×
  171. 170CuencaCastille-La Mancha, Spain
    811.7×
  172. 170Puente AltoSantiago Metropolitan, Chile
    811.7×
  173. 170Santa CatarinaNuevo León, Mexico
    811.7×
  174. 174Botevgradlow-cost sensorsSofia, Bulgaria
    801.6×
  175. 174MeylanAuvergne-Rhône-Alpes, France
    801.6×
  176. 176RanongRanong province, Thailand
    801.6×
  177. 176ParedesPorto, Portugal
    801.6×
  178. 178Ban Khlong PrawetBangkok, Thailand
    801.6×
  179. 178CannesProvence-Alpes-Côte d'Azur, France
    801.6×
  180. 178MilwaukeeWisconsin, United States
    801.6×
  181. 178DorvalQuebec, Canada
    801.6×
  182. 182GrazStyria, Austria
    791.6×
  183. 183BrookfieldIllinois, United States
    791.6×
  184. 184OviedoAsturias, Spain
    791.6×
  185. 184AcerraCampania, Italy
    791.6×
  186. 186DurangoBasque Country, Spain
    791.6×
  187. 187Laem ChabangChon Buri, Thailand
    791.6×
  188. 187JesiThe Marches, Italy
    791.6×
  189. 189Rivière-des-Prairies–Pointe-aux-TremblesQuebec, Canada
    781.6×
  190. 190NaplesCampania, Italy
    781.6×
  191. 191Vilanova i la GeltrúCatalonia, Spain
    781.6×
  192. 191South MilwaukeeWisconsin, United States
    781.6×
  193. 193YalaYala, Thailand
    781.6×
  194. 193MaspalomasCanary Islands, Spain
    781.6×
  195. 195SamaAsturias, Spain
    771.5×
  196. 195Franklin ParkIllinois, United States
    771.5×
  197. 197AsprópyrgosAttica, Greece
    771.5×
  198. 198Viña del MarValparaiso, Chile
    771.5×
  199. 199Ban ChangRayong, Thailand
    761.5×
  200. 200PietermaritzburgKwaZulu-Natal, South Africa
    761.5×

Top 200 of 2,180 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 7, 2024, smogrank.com/history/2024-02-07 (accessed 3 Oct 2026).

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