SmogRank / History / February 24, 2024

Most polluted cities on February 24, 2024

2,186 cities ranked by their average PM2.5 over the day; the worst was Tlaquepaque, Mexico, at 100.0 µg/m³. Each city's own local calendar day.

← Tlaquepaque 100.0 µg/m³ 75 µg/m³15 WHO 24-hour guideline
Every city ranked for February 24, 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. 1TlaquepaqueJalisco, Mexico
    1826.7×
  2. 2Dhakalow-cost sensorsDhaka Division, Bangladesh
    1796.4×
  3. 3DelhiDelhi, India
    1695.4×
  4. 4KolkataWest Bengal, India
    1675.2×
  5. 5ShenyangLiaoning, China
    1665.1×
  6. 6Ulan BatorUlaanbaatar, Mongolia
    1665.1×
  7. 7AstanaAstana, Kazakhstan
    1634.8×
  8. 8LampangLampang, Thailand
    1624.7×
  9. 9N'DjamenaN’Djaména, Chad
    1594.5×
  10. 10Mae SotTak, Thailand
    1584.4×
  11. 11HyderabadTelangana, India
    1564.2×
  12. 12SukhothaiSukhothai, Thailand
    1564.2×
  13. 13DejCluj County, Romania
    1533.9×
  14. 14Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1533.9×
  15. 15LamphunLamphun, Thailand
    1533.8×
  16. 16Kathmandulow-cost sensorsBagmati Province, Nepal
    1523.8×
  17. 17YasothonYasothon, Thailand
    1523.8×
  18. 18PirotCentral Serbia, Serbia
    1483.6×
  19. 18YangonYangon, Myanmar
    1483.6×
  20. 20Ubon RatchathaniUbon Ratchathani, Thailand
    1463.6×
  21. 21KalasinKalasin, Thailand
    1443.5×
  22. 22BeijingBeijing, China
    1413.5×
  23. 23Si Sa KetSi Sa Ket, Thailand
    1373.3×
  24. 23MukdahanMukdahan, Thailand
    1373.3×
  25. 25DushanbeDushanbe, Tajikistan
    1343.3×
  26. 26NanNan, Thailand
    1333.2×
  27. 27Islamabadlow-cost sensorsIslamabad, Pakistan
    1323.2×
  28. 28TolucaMéxico, Mexico
    1293.1×
  29. 29Udon ThaniUdon Thani, Thailand
    1283.1×
  30. 30LoeiLoei, Thailand
    1283.1×
  31. 31Khon KaenKhon Kaen, Thailand
    1273.1×
  32. 32Nong Bua LamphuNong Bua Lamphu, Thailand
    1263.0×
  33. 33PhayaoPhayao, Thailand
    1253.0×
  34. 33KourouGuyane, French Guiana
    1253.0×
  35. 35Roi EtRoi Et, Thailand
    1243.0×
  36. 36MumbaiMaharashtra, India
    1233.0×
  37. 37SurinSurin, Thailand
    1222.9×
  38. 38DziałdowoWarmia-Masuria, Poland
    1202.9×
  39. 39DębicaSubcarpathia, Poland
    1182.8×
  40. 40NišCentral Serbia, Serbia
    1182.8×
  41. 41Amnat CharoenAmnat Charoen, Thailand
    1182.8×
  42. 42CayenneGuyane, French Guiana
    1162.8×
  43. 43Mae SaiChiang Rai, Thailand
    1152.8×
  44. 44Abujalow-cost sensorsFCT, Nigeria
    1152.7×
  45. 45StilfonteinNorth West, South Africa
    1132.7×
  46. 46Sakon NakhonSakon Nakhon, Thailand
    1112.6×
  47. 47PhraePhrae, Thailand
    1112.6×
  48. 48UttaraditUttaradit, Thailand
    1102.6×
  49. 49CairoCairo, Egypt
    1082.6×
  50. 50SalorTashkent Region, Uzbekistan
    1082.6×
  51. 51KigaliKigali, Rwanda
    1062.5×
  52. 51Nakhon RatchasimaNakhon Ratchasima, Thailand
    1062.5×
  53. 53PhetchabunPhetchabun, Thailand
    1012.4×
  54. 54Chiang MaiChiang Mai, Thailand
    1002.4×
  55. 55Buri RamBuriram, Thailand
    1002.3×
  56. 56RaymoreMissouri, United States
    992.3×
  57. 57Kamphaeng PhetKamphaeng Phet, Thailand
    992.3×
  58. 58OtwockMazovia, Poland
    982.3×
  59. 59BorCentral Serbia, Serbia
    972.3×
  60. 60ChaiyaphumChaiyaphum, Thailand
    972.2×
  61. 61PhichitPhichit, Thailand
    962.2×
  62. 62eMbalenhleMpumalanga, South Africa
    952.2×
  63. 63SkopjeGrad Skopje, North Macedonia
    942.2×
  64. 64BucharestBucharest, Romania
    942.1×
  65. 65Skarżysko-KamiennaŚwiętokrzyskie, Poland
    932.1×
  66. 66VelesVeles, North Macedonia
    922.1×
  67. 67Chai NatChai Nat, Thailand
    912.0×
  68. 68StrumicaStrumica, North Macedonia
    912.0×
  69. 69Si Maha PhotPrachin Buri, Thailand
    902.0×
  70. 70Banja LukaSrpska, Bosnia and Herzegovina
    902.0×
  71. 71KavadarciKavadarci, North Macedonia
    892.0×
  72. 71CelayaGuanajuato, Mexico
    892.0×
  73. 73Lop BuriLopburi, Thailand
    892.0×
  74. 74KanchanaburiKanchanaburi, Thailand
    881.9×
  75. 75Wan ChaiWan Chai, Hong Kong
    881.9×
  76. 75Bielsko-BialaSilesia, Poland
    881.9×
  77. 77ChennaiTamil Nadu, India
    871.9×
  78. 78CoyhaiqueAysén, Chile
    861.9×
  79. 79AranyaprathetSa Kaeo, Thailand
    861.9×
  80. 80LegionowoMazovia, Poland
    851.8×
  81. 81Nakhon SawanNakhon Sawan, Thailand
    851.8×
  82. 82IrapuatoGuanajuato, Mexico
    851.8×
  83. 83SalamancaGuanajuato, Mexico
    841.8×
  84. 84Almatylow-cost sensorsAlmaty, Kazakhstan
    841.8×
  85. 84Sing BuriSing Buri, Thailand
    841.8×
  86. 84PljevljaPljevlja, Montenegro
    841.8×
  87. 87PruszkówMazovia, Poland
    841.8×
  88. 88AthensAttica, Greece
    831.8×
  89. 88PascagoulaMississippi, United States
    831.8×
  90. 90BrakpanGauteng, South Africa
    831.8×
  91. 90NogalesSonora, Mexico
    831.8×
  92. 92Nakhon NayokNakhon Nayok, Thailand
    821.7×
  93. 93RadomMazovia, Poland
    811.7×
  94. 93RatchaburiRatchaburi, Thailand
    811.7×
  95. 95MielecSubcarpathia, Poland
    811.7×
  96. 96Cluj-NapocaCluj County, Romania
    801.7×
  97. 97JohannesburgGauteng, South Africa
    801.6×
  98. 97WłocławekKujawsko-Pomorskie, Poland
    801.6×
  99. 97TocopillaAntofagasta, Chile
    801.6×
  100. 100Chiang RaiChiang Rai, Thailand
    801.6×
  101. 101ŻyrardówMazovia, Poland
    801.6×
  102. 102Tuen MunTuen Mun, Hong Kong
    791.6×
  103. 103SiedlceMazovia, Poland
    791.6×
  104. 103PrzemyślSubcarpathia, Poland
    791.6×
  105. 105VanderbijlparkGauteng, South Africa
    791.6×
  106. 105Khlong Sam WaBangkok, Thailand
    791.6×
  107. 107ZamośćLublin, Poland
    771.6×
  108. 108LazarevacCentral Serbia, Serbia
    771.5×
  109. 108Bang NaBangkok, Thailand
    771.5×
  110. 108OpoleOpole Voivodeship, Poland
    771.5×
  111. 111TalcahuanoBiobio, Chile
    771.5×
  112. 111HualpénBiobio, Chile
    771.5×
  113. 113CoronelBiobio, Chile
    761.5×
  114. 114UžiceCentral Serbia, Serbia
    761.5×
  115. 115SaraburiSaraburi, Thailand
    761.5×
  116. 116AugustówPodlasie, Poland
    751.5×
  117. 116ValjevoCentral Serbia, Serbia
    751.5×
  118. 118QuinteroValparaiso, Chile
    751.5×
  119. 119TetovoTetovo, North Macedonia
    751.5×
  120. 120ŁukówLublin, Poland
    741.4×
  121. 121SecundaMpumalanga, South Africa
    741.4×
  122. 121NacimientoBiobio, Chile
    741.4×
  123. 123Puerto VarasLos Lagos Region, Chile
    741.4×
  124. 124Khlong LuangPathum Thani, Thailand
    741.4×
  125. 124San Pedro de la PazBiobio, Chile
    741.4×
  126. 126Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    731.4×
  127. 126Bang KapiBangkok, Thailand
    731.4×
  128. 126León de los AldamaGuanajuato, Mexico
    731.4×
  129. 129Tsuen WanTsuen Wan, Hong Kong
    731.4×
  130. 129SarajevoFederation of B&H, Bosnia and Herzegovina
    731.4×
  131. 131SmederevoCentral Serbia, Serbia
    731.4×
  132. 131Ban Samae DamBangkok, Thailand
    731.4×
  133. 131Gorzów WielkopolskiLubusz, Poland
    731.4×
  134. 134Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    731.4×
  135. 134AguascalientesAguascalientes, Mexico
    731.4×
  136. 136ZgierzŁódź Voivodeship, Poland
    721.4×
  137. 137BraPiedmont, Italy
    721.4×
  138. 138ToméBiobio, Chile
    721.4×
  139. 139San Luis de la PazGuanajuato, Mexico
    721.3×
  140. 140KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    711.3×
  141. 140SantiagoSantiago Metropolitan, Chile
    711.3×
  142. 140HanfordCalifornia, United States
    711.3×
  143. 140Khan Na YaoBangkok, Thailand
    711.3×
  144. 144EvatonGauteng, South Africa
    711.3×
  145. 144Mong KokYau Tsim Mong District, Hong Kong
    711.3×
  146. 146VereenigingGauteng, South Africa
    711.3×
  147. 146LimaLima Province, Peru
    711.3×
  148. 146Saphan SungBangkok, Thailand
    711.3×
  149. 149Konstancin-JeziornaMazovia, Poland
    711.3×
  150. 150SasolburgFree State, South Africa
    711.3×
  151. 150HanoiHanoi, Vietnam
    711.3×
  152. 150Nong ChokBangkok, Thailand
    711.3×
  153. 153KutnoŁódź Voivodeship, Poland
    701.3×
  154. 153Ciudad General EscobedoNuevo León, Mexico
    701.3×
  155. 155MiskolcBorsod-Abaúj-Zemplén, Hungary
    701.3×
  156. 155StarachowiceŚwiętokrzyskie, Poland
    701.3×
  157. 155VigevanoLombardy, Italy
    701.3×
  158. 158Bang Bo DistrictSamut Prakan, Thailand
    701.3×
  159. 158TalaganteSantiago Metropolitan, Chile
    701.3×
  160. 158HualquiBiobio, Chile
    701.3×
  161. 161RēzekneRēzekne, Latvia
    701.3×
  162. 161Viña del MarValparaiso, Chile
    701.3×
  163. 161Lat KrabangBangkok, Thailand
    701.3×
  164. 164Hua HinPrachuap Khiri Khan, Thailand
    701.3×
  165. 164JesiThe Marches, Italy
    701.3×
  166. 164Puente AltoSantiago Metropolitan, Chile
    701.3×
  167. 164Sai MaiBangkok, Thailand
    701.3×
  168. 168AsprópyrgosAttica, Greece
    691.3×
  169. 169ThembisaGauteng, South Africa
    691.3×
  170. 169TurinPiedmont, Italy
    691.3×
  171. 169VisaliaCalifornia, United States
    691.3×
  172. 169MilwaukieOregon, United States
    691.3×
  173. 173AbasoloGuanajuato, Mexico
    691.3×
  174. 174Nong KhaemBangkok, Thailand
    691.2×
  175. 174VictoriaCentral and Western, Hong Kong
    691.2×
  176. 174ConcónValparaiso, Chile
    691.2×
  177. 177WawerMazovia, Poland
    691.2×
  178. 177ŻywiecSilesia, Poland
    691.2×
  179. 179Tin Shui WaiYuen Long, Hong Kong
    691.2×
  180. 179DěčínÚstí nad Labem Region, Czechia
    691.2×
  181. 181JarosławSubcarpathia, Poland
    681.2×
  182. 181BangkokBangkok, Thailand
    681.2×
  183. 181Tai PoTai Po, Hong Kong
    681.2×
  184. 181PłockMazovia, Poland
    681.2×
  185. 185RzeszówSubcarpathia, Poland
    681.2×
  186. 185ThabazimbiLimpopo, South Africa
    681.2×
  187. 185San Miguel de AllendeGuanajuato, Mexico
    681.2×
  188. 188GrajewoPodlasie, Poland
    681.2×
  189. 188Suphan BuriSuphan Buri, Thailand
    681.2×
  190. 188RacibórzSilesia, Poland
    681.2×
  191. 191BogotáBogota D.C., Colombia
    681.2×
  192. 191GulfportMississippi, United States
    681.2×
  193. 191BakersfieldCalifornia, United States
    681.2×
  194. 194WarsawMazovia, Poland
    671.2×
  195. 194PułtuskMazovia, Poland
    671.2×
  196. 194Sham Shui PoSham Shui Po District, Hong Kong
    671.2×
  197. 194Czechowice-DziedziceSilesia, Poland
    671.2×
  198. 194NovaraPiedmont, Italy
    671.2×
  199. 194San CarlosÑuble, Chile
    671.2×
  200. 200RadomskoŁódź Voivodeship, Poland
    671.2×

Top 200 of 2,186 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 24, 2024, smogrank.com/history/2024-02-24 (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.