SmogRank / History / February 26, 2024

Most polluted cities on February 26, 2024

1,905 cities ranked by their average PM2.5 over the day; the worst was Puerto Montt, Chile, at 95.0 µg/m³. Each city's own local calendar day.

← Puerto Montt 95.0 µg/m³ 90 µg/m³15 WHO 24-hour guideline
Every city ranked for February 26, 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. 1Puerto MonttLos Lagos Region, Chile
    1796.3×
  2. 2LampangLampang, Thailand
    1776.2×
  3. 3Mae SotTak, Thailand
    1705.5×
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    1675.2×
  5. 5MumbaiMaharashtra, India
    1665.2×
  6. 6TlaquepaqueJalisco, Mexico
    1644.9×
  7. 7DelhiDelhi, India
    1634.8×
  8. 8Kathmandulow-cost sensorsBagmati Province, Nepal
    1624.8×
  9. 9Islamabadlow-cost sensorsIslamabad, Pakistan
    1614.6×
  10. 10BeijingBeijing, China
    1584.3×
  11. 11SukhothaiSukhothai, Thailand
    1584.3×
  12. 12SarajevoFederation of B&H, Bosnia and Herzegovina
    1574.3×
  13. 13Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1564.2×
  14. 14N'DjamenaN’Djaména, Chad
    1554.1×
  15. 15YangonYangon, Myanmar
    1544.0×
  16. 16PirotCentral Serbia, Serbia
    1544.0×
  17. 17TetovoTetovo, North Macedonia
    1533.9×
  18. 18SalorTashkent Region, Uzbekistan
    1533.9×
  19. 19NanNan, Thailand
    1523.8×
  20. 20LamphunLamphun, Thailand
    1483.6×
  21. 21Almatylow-cost sensorsAlmaty, Kazakhstan
    1443.5×
  22. 22Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    1413.5×
  23. 23Novi PazarCentral Serbia, Serbia
    1393.4×
  24. 24Banja LukaSrpska, Bosnia and Herzegovina
    1373.4×
  25. 25PhraePhrae, Thailand
    1373.3×
  26. 26ValjevoCentral Serbia, Serbia
    1373.3×
  27. 27ShenyangLiaoning, China
    1363.3×
  28. 28Nakhon RatchasimaNakhon Ratchasima, Thailand
    1343.3×
  29. 29PoznańGreater Poland, Poland
    1323.2×
  30. 30PhayaoPhayao, Thailand
    1313.2×
  31. 31Kamphaeng PhetKamphaeng Phet, Thailand
    1313.2×
  32. 32CairoCairo, Egypt
    1293.1×
  33. 32Mae SaiChiang Rai, Thailand
    1293.1×
  34. 34Ulan BatorUlaanbaatar, Mongolia
    1263.1×
  35. 35ŻywiecSilesia, Poland
    1222.9×
  36. 36UttaraditUttaradit, Thailand
    1212.9×
  37. 37DziałdowoWarmia-Masuria, Poland
    1202.9×
  38. 38PljevljaPljevlja, Montenegro
    1192.9×
  39. 39SurinSurin, Thailand
    1192.8×
  40. 40Si Maha PhotPrachin Buri, Thailand
    1182.8×
  41. 41PhetchabunPhetchabun, Thailand
    1172.8×
  42. 42KościanGreater Poland, Poland
    1162.8×
  43. 43KłodzkoLower Silesia, Poland
    1152.7×
  44. 44Buri RamBuriram, Thailand
    1142.7×
  45. 45Abujalow-cost sensorsFCT, Nigeria
    1142.7×
  46. 45WłocławekKujawsko-Pomorskie, Poland
    1142.7×
  47. 47LęborkPomerania, Poland
    1112.6×
  48. 48CayenneGuyane, French Guiana
    1102.6×
  49. 49KościerzynaPomerania, Poland
    1102.6×
  50. 50KigaliKigali, Rwanda
    1092.6×
  51. 51AranyaprathetSa Kaeo, Thailand
    1082.6×
  52. 52RacibórzSilesia, Poland
    1072.5×
  53. 53Chai NatChai Nat, Thailand
    1062.5×
  54. 54KourouGuyane, French Guiana
    1052.5×
  55. 55Si Sa KetSi Sa Ket, Thailand
    1042.5×
  56. 56PhichitPhichit, Thailand
    1032.4×
  57. 57BydgoszczKujawsko-Pomorskie, Poland
    1022.4×
  58. 58KalasinKalasin, Thailand
    1022.4×
  59. 59Chiang MaiChiang Mai, Thailand
    1022.4×
  60. 60HyderabadTelangana, India
    1022.4×
  61. 61DejCluj County, Romania
    1012.4×
  62. 61GostivarGostivar, North Macedonia
    1012.4×
  63. 63EłkWarmia-Masuria, Poland
    1002.4×
  64. 64Wan ChaiWan Chai, Hong Kong
    992.3×
  65. 65Skarżysko-KamiennaŚwiętokrzyskie, Poland
    992.3×
  66. 66Lop BuriLopburi, Thailand
    982.3×
  67. 67East RidgeTennessee, United States
    962.2×
  68. 68Nakhon SawanNakhon Sawan, Thailand
    962.2×
  69. 69ChaiyaphumChaiyaphum, Thailand
    962.2×
  70. 70Sing BuriSing Buri, Thailand
    952.2×
  71. 71HanoiHanoi, Vietnam
    952.2×
  72. 72OpoleOpole Voivodeship, Poland
    932.1×
  73. 73Ubon RatchathaniUbon Ratchathani, Thailand
    932.1×
  74. 73ColumbusGeorgia, United States
    932.1×
  75. 75Khon KaenKhon Kaen, Thailand
    932.1×
  76. 75ŚwiecieKujawsko-Pomorskie, Poland
    932.1×
  77. 77BorCentral Serbia, Serbia
    922.1×
  78. 77Bielsko-BialaSilesia, Poland
    922.1×
  79. 79LegionowoMazovia, Poland
    922.1×
  80. 80Nong Bua LamphuNong Bua Lamphu, Thailand
    922.1×
  81. 81ChennaiTamil Nadu, India
    912.0×
  82. 82AguascalientesAguascalientes, Mexico
    912.0×
  83. 83Czechowice-DziedziceSilesia, Poland
    902.0×
  84. 84KavadarciKavadarci, North Macedonia
    902.0×
  85. 85Mong KokYau Tsim Mong District, Hong Kong
    902.0×
  86. 86RatchaburiRatchaburi, Thailand
    892.0×
  87. 86LimaLima Province, Peru
    892.0×
  88. 88KraljevoCentral Serbia, Serbia
    892.0×
  89. 89DěčínÚstí nad Labem Region, Czechia
    892.0×
  90. 90Kampalalow-cost sensorsCentral Region, Uganda
    892.0×
  91. 90Phenix CityAlabama, United States
    892.0×
  92. 92KatowiceSilesia, Poland
    881.9×
  93. 93YasothonYasothon, Thailand
    881.9×
  94. 93Gorzów WielkopolskiLubusz, Poland
    881.9×
  95. 95Chiang RaiChiang Rai, Thailand
    871.9×
  96. 95TratTrat, Thailand
    871.9×
  97. 97KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    871.9×
  98. 97TocopillaAntofagasta, Chile
    871.9×
  99. 99Tsuen WanTsuen Wan, Hong Kong
    871.9×
  100. 100DushanbeDushanbe, Tajikistan
    861.9×
  101. 100Wodzisław ŚląskiSilesia, Poland
    861.9×
  102. 102PrzemyślSubcarpathia, Poland
    861.9×
  103. 102MukdahanMukdahan, Thailand
    861.9×
  104. 104BytówPomerania, Poland
    861.9×
  105. 105KrakówLesser Poland, Poland
    851.8×
  106. 105Jelenia GóraLower Silesia, Poland
    851.8×
  107. 107Khlong LuangPathum Thani, Thailand
    851.8×
  108. 107AlbanyGeorgia, United States
    851.8×
  109. 109Bang KapiBangkok, Thailand
    851.8×
  110. 110KutnoŁódź Voivodeship, Poland
    841.8×
  111. 111Le RobertMartinique, Martinique
    841.8×
  112. 112OlsztynWarmia-Masuria, Poland
    841.8×
  113. 112Santa Anita - Los FicusLima region, Peru
    841.8×
  114. 114SaraburiSaraburi, Thailand
    841.8×
  115. 114Bang NaBangkok, Thailand
    841.8×
  116. 114PodgoricaPodgorica, Montenegro
    841.8×
  117. 117MiskolcBorsod-Abaúj-Zemplén, Hungary
    831.8×
  118. 117Tuen MunTuen Mun, Hong Kong
    831.8×
  119. 119KadaňÚstí nad Labem Region, Czechia
    831.8×
  120. 119BogotáBogota D.C., Colombia
    831.8×
  121. 121SiedlceMazovia, Poland
    831.7×
  122. 122Kwai ChungKwai Tsing District, Hong Kong
    831.7×
  123. 122MaconGeorgia, United States
    831.7×
  124. 124LazarevacCentral Serbia, Serbia
    821.7×
  125. 124BitolaBitola, North Macedonia
    821.7×
  126. 124Zielona GóraLubusz, Poland
    821.7×
  127. 124RadomskoŁódź Voivodeship, Poland
    821.7×
  128. 128BerounCentral Bohemia, Czechia
    821.7×
  129. 129VictoriaCentral and Western, Hong Kong
    821.7×
  130. 130DębicaSubcarpathia, Poland
    821.7×
  131. 131Saphan SungBangkok, Thailand
    821.7×
  132. 132Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    811.7×
  133. 132Nakhon NayokNakhon Nayok, Thailand
    811.7×
  134. 134JarosławSubcarpathia, Poland
    811.7×
  135. 134LitvínovÚstí nad Labem Region, Czechia
    811.7×
  136. 134Silao de la VictoriaGuanajuato, Mexico
    811.7×
  137. 134Ciudad JuárezChihuahua, Mexico
    811.7×
  138. 138BirminghamAlabama, United States
    811.7×
  139. 139KalamazooMichigan, United States
    811.7×
  140. 140Bang Khun ThianBangkok, Thailand
    801.7×
  141. 140OstravaMoravian-Silesian Region, Czechia
    801.7×
  142. 140HueytownAlabama, United States
    801.7×
  143. 140Lat KrabangBangkok, Thailand
    801.7×
  144. 144Warner RobinsGeorgia, United States
    801.6×
  145. 145Forest ParkGeorgia, United States
    801.6×
  146. 146OtwockMazovia, Poland
    801.6×
  147. 146ElblągWarmia-Masuria, Poland
    801.6×
  148. 146Bueng KumBangkok, Thailand
    801.6×
  149. 149PruszkówMazovia, Poland
    791.6×
  150. 149Ban Samae DamBangkok, Thailand
    791.6×
  151. 149MarigotSaint Martin
    791.6×
  152. 152Ban Khlong PrawetBangkok, Thailand
    791.6×
  153. 153Nong ChokBangkok, Thailand
    791.6×
  154. 154KaliszGreater Poland, Poland
    791.6×
  155. 155SkopjeGrad Skopje, North Macedonia
    781.6×
  156. 155BrakpanGauteng, South Africa
    781.6×
  157. 155Ústí nad LabemÚstí nad Labem Region, Czechia
    781.6×
  158. 155Le LamentinMartinique, Martinique
    781.6×
  159. 159KaunasKaunas, Lithuania
    781.6×
  160. 159GrajewoPodlasie, Poland
    781.6×
  161. 159ZemunCentral Serbia, Serbia
    781.6×
  162. 159Roi EtRoi Et, Thailand
    781.6×
  163. 163ZamośćLublin, Poland
    781.6×
  164. 163SantiagoSantiago Metropolitan, Chile
    781.6×
  165. 163Khan Na YaoBangkok, Thailand
    781.6×
  166. 166Tin Shui WaiYuen Long, Hong Kong
    781.6×
  167. 167ŻyrardówMazovia, Poland
    771.5×
  168. 168PułtuskMazovia, Poland
    771.5×
  169. 168Nong KhaemBangkok, Thailand
    771.5×
  170. 168Terre HauteIndiana, United States
    771.5×
  171. 171Udon ThaniUdon Thani, Thailand
    771.5×
  172. 172ĆuprijaCentral Serbia, Serbia
    771.5×
  173. 172BangkokBangkok, Thailand
    771.5×
  174. 174Cluj-NapocaCluj County, Romania
    761.5×
  175. 174Suphan BuriSuphan Buri, Thailand
    761.5×
  176. 176AugustówPodlasie, Poland
    761.5×
  177. 176PretoriaGauteng, South Africa
    761.5×
  178. 176AstanaAstana, Kazakhstan
    761.5×
  179. 179Mueang NonthaburiNonthaburi, Thailand
    761.5×
  180. 180TepliceÚstí nad Labem Region, Czechia
    761.5×
  181. 181NiskoSubcarpathia, Poland
    751.5×
  182. 181GdyniaPomerania, Poland
    751.5×
  183. 181QuinteroValparaiso, Chile
    751.5×
  184. 181Puente AltoSantiago Metropolitan, Chile
    751.5×
  185. 181Sai MaiBangkok, Thailand
    751.5×
  186. 186JohannesburgGauteng, South Africa
    751.5×
  187. 187SuwałkiPodlasie, Poland
    751.5×
  188. 187Tai PoTai Po, Hong Kong
    751.5×
  189. 187WrocławLower Silesia, Poland
    751.5×
  190. 187Les AbymesGuadeloupe, Guadeloupe
    751.5×
  191. 187CelayaGuanajuato, Mexico
    751.5×
  192. 192StarachowiceŚwiętokrzyskie, Poland
    751.5×
  193. 192ŁaskŁódź Voivodeship, Poland
    751.5×
  194. 192BeneventoCampania, Italy
    751.5×
  195. 192Viña del MarValparaiso, Chile
    751.5×
  196. 196IrapuatoGuanajuato, Mexico
    751.5×
  197. 196RaymoreMissouri, United States
    751.5×
  198. 198ObrenovacCentral Serbia, Serbia
    741.4×
  199. 198Hradec KrálovéHradec Králové Region, Czechia
    741.4×
  200. 200VereenigingGauteng, South Africa
    741.4×

Top 200 of 1,905 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 26, 2024, smogrank.com/history/2024-02-26 (accessed 3 Oct 2026).

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