SmogRank / History / March 26, 2024

Most polluted cities on March 26, 2024

1,637 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 131.0 µg/m³. Each city's own local calendar day.

← Lahore 131.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for March 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. 1Lahorelow-cost sensorsPunjab, Pakistan
    2068.7×
  2. 2N'DjamenaN’Djaména, Chad
    2008.3×
  3. 3BeijingBeijing, China
    1796.3×
  4. 4Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1766.1×
  5. 5Mae SotTak, Thailand
    1715.6×
  6. 6CairoCairo, Egypt
    1665.1×
  7. 7Ubon RatchathaniUbon Ratchathani, Thailand
    1644.9×
  8. 8LamphunLamphun, Thailand
    1634.8×
  9. 9TolucaMéxico, Mexico
    1624.8×
  10. 10MukdahanMukdahan, Thailand
    1624.8×
  11. 11Kathmandulow-cost sensorsBagmati Province, Nepal
    1624.7×
  12. 12LampangLampang, Thailand
    1604.5×
  13. 13Mae SaiChiang Rai, Thailand
    1564.2×
  14. 14DelhiDelhi, India
    1554.1×
  15. 15NanNan, Thailand
    1544.0×
  16. 16YasothonYasothon, Thailand
    1543.9×
  17. 17KalasinKalasin, Thailand
    1533.9×
  18. 18YangonYangon, Myanmar
    1533.9×
  19. 19Chiang MaiChiang Mai, Thailand
    1533.9×
  20. 20SukhothaiSukhothai, Thailand
    1523.8×
  21. 21Amnat CharoenAmnat Charoen, Thailand
    1523.8×
  22. 22ShenyangLiaoning, China
    1513.7×
  23. 23PhraePhrae, Thailand
    1513.7×
  24. 24UttaraditUttaradit, Thailand
    1513.7×
  25. 25PhayaoPhayao, Thailand
    1483.6×
  26. 26Islamabadlow-cost sensorsIslamabad, Pakistan
    1413.5×
  27. 27Vientianelow-cost sensorsVientiane Prefecture, Laos
    1363.3×
  28. 28Si Sa KetSi Sa Ket, Thailand
    1363.3×
  29. 29Dhakalow-cost sensorsDhaka Division, Bangladesh
    1363.3×
  30. 30LoeiLoei, Thailand
    1353.3×
  31. 31Udon ThaniUdon Thani, Thailand
    1333.2×
  32. 32Sakon NakhonSakon Nakhon, Thailand
    1323.2×
  33. 33Chai NatChai Nat, Thailand
    1253.0×
  34. 34Roi EtRoi Et, Thailand
    1243.0×
  35. 35HyderabadTelangana, India
    1202.9×
  36. 36KanchanaburiKanchanaburi, Thailand
    1182.8×
  37. 36Kamphaeng PhetKamphaeng Phet, Thailand
    1182.8×
  38. 38JakartaJakarta, Indonesia
    1172.8×
  39. 39PhichitPhichit, Thailand
    1172.8×
  40. 40Nakhon RatchasimaNakhon Ratchasima, Thailand
    1152.7×
  41. 41Chiang RaiChiang Rai, Thailand
    1132.7×
  42. 42Lop BuriLopburi, Thailand
    1122.7×
  43. 43Sing BuriSing Buri, Thailand
    1102.6×
  44. 44Novi PazarCentral Serbia, Serbia
    1102.6×
  45. 45Nong Bua LamphuNong Bua Lamphu, Thailand
    1092.6×
  46. 46DziałdowoWarmia-Masuria, Poland
    1092.6×
  47. 46ChaiyaphumChaiyaphum, Thailand
    1092.6×
  48. 48ValjevoCentral Serbia, Serbia
    1082.6×
  49. 49Nakhon SawanNakhon Sawan, Thailand
    1082.6×
  50. 50Kampalalow-cost sensorsCentral Region, Uganda
    1052.5×
  51. 51PhetchabunPhetchabun, Thailand
    1052.5×
  52. 52HanoiHanoi, Vietnam
    1032.4×
  53. 53KigaliKigali, Rwanda
    1022.4×
  54. 54CelayaGuanajuato, Mexico
    992.3×
  55. 55AugustówPodlasie, Poland
    972.3×
  56. 56Prachin BuriPrachin Buri, Thailand
    962.2×
  57. 57Buri RamBuriram, Thailand
    952.2×
  58. 58SurinSurin, Thailand
    952.2×
  59. 58Si Maha PhotPrachin Buri, Thailand
    952.2×
  60. 60BelmopanCayo District, Belize
    942.2×
  61. 61SarajevoFederation of B&H, Bosnia and Herzegovina
    942.1×
  62. 62KolkataWest Bengal, India
    932.1×
  63. 63BaghdadBaghdad, Iraq
    922.1×
  64. 64ReginaSaskatchewan, Canada
    902.0×
  65. 65SuwałkiPodlasie, Poland
    902.0×
  66. 66ShanghaiShanghai, China
    902.0×
  67. 67ColomboWestern Province, Sri Lanka
    892.0×
  68. 68SaraburiSaraburi, Thailand
    881.9×
  69. 68Guatemala CityGuatemala, Guatemala
    881.9×
  70. 70Suphan BuriSuphan Buri, Thailand
    881.9×
  71. 71ZhushanTaiwan, Taiwan
    881.9×
  72. 72GuangzhouGuangdong, China
    871.9×
  73. 73Nakhon NayokNakhon Nayok, Thailand
    871.9×
  74. 74RabinalBaja Verapaz, Guatemala
    861.9×
  75. 75Karachilow-cost sensorsSindh, Pakistan
    861.9×
  76. 76Ulan BatorUlaanbaatar, Mongolia
    861.8×
  77. 77Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    851.8×
  78. 77San CarlosÑuble, Chile
    851.8×
  79. 79Bang NaBangkok, Thailand
    851.8×
  80. 79LęborkPomerania, Poland
    851.8×
  81. 81OtwockMazovia, Poland
    831.8×
  82. 82GrajewoPodlasie, Poland
    831.7×
  83. 83KościerzynaPomerania, Poland
    831.7×
  84. 83Khlong Sam WaBangkok, Thailand
    831.7×
  85. 85RatchaburiRatchaburi, Thailand
    821.7×
  86. 85Puente AltoSantiago Metropolitan, Chile
    821.7×
  87. 87FengshanTakao, Taiwan
    811.7×
  88. 88Chiayi CityTaiwan, Taiwan
    811.7×
  89. 89MumbaiMaharashtra, India
    811.7×
  90. 90EłkWarmia-Masuria, Poland
    811.7×
  91. 91CoyhaiqueAysén, Chile
    801.7×
  92. 92WłocławekKujawsko-Pomorskie, Poland
    801.6×
  93. 93Khlong LuangPathum Thani, Thailand
    801.6×
  94. 94SiedlceMazovia, Poland
    801.6×
  95. 94Accralow-cost sensorsGreater Accra, Ghana
    801.6×
  96. 96BeigangTaiwan, Taiwan
    791.6×
  97. 96HualpénBiobio, Chile
    791.6×
  98. 96Sai MaiBangkok, Thailand
    791.6×
  99. 99RancaguaO'Higgins Region, Chile
    791.6×
  100. 100KłodzkoLower Silesia, Poland
    791.6×
  101. 100SantiagoSantiago Metropolitan, Chile
    791.6×
  102. 102DouliuTaiwan, Taiwan
    781.6×
  103. 103Bang Khun ThianBangkok, Thailand
    781.6×
  104. 104NišCentral Serbia, Serbia
    781.6×
  105. 104TocopillaAntofagasta, Chile
    781.6×
  106. 104ChillánÑuble, Chile
    781.6×
  107. 107LawtonOklahoma, United States
    771.5×
  108. 108PuliTaiwan, Taiwan
    771.5×
  109. 109Nong KhaemBangkok, Thailand
    771.5×
  110. 109YuanlinTaiwan, Taiwan
    771.5×
  111. 111BangkokBangkok, Thailand
    761.5×
  112. 112TratTrat, Thailand
    761.5×
  113. 112Mueang NonthaburiNonthaburi, Thailand
    761.5×
  114. 112Nakhon PathomNakhon Pathom, Thailand
    761.5×
  115. 112Bang KapiBangkok, Thailand
    761.5×
  116. 112KatowiceSilesia, Poland
    761.5×
  117. 117GdańskPomerania, Poland
    761.5×
  118. 118TaibaoTaiwan, Taiwan
    761.5×
  119. 119PruszkówMazovia, Poland
    751.5×
  120. 120WawerMazovia, Poland
    751.5×
  121. 120KraljevoCentral Serbia, Serbia
    751.5×
  122. 120YongkangTaiwan, Taiwan
    751.5×
  123. 120ChaozhouTaiwan, Taiwan
    751.5×
  124. 124TaichungTaiwan, Taiwan
    751.5×
  125. 124Saphan SungBangkok, Thailand
    751.5×
  126. 126GdyniaPomerania, Poland
    751.5×
  127. 126Khan Na YaoBangkok, Thailand
    751.5×
  128. 128LegionowoMazovia, Poland
    741.4×
  129. 128PhuketPhuket, Thailand
    741.4×
  130. 128AranyaprathetSa Kaeo, Thailand
    741.4×
  131. 131Phra PradaengSamut Prakan, Thailand
    741.4×
  132. 132TainanTaiwan, Taiwan
    741.4×
  133. 132ToméBiobio, Chile
    741.4×
  134. 134KaohsiungTakao, Taiwan
    731.4×
  135. 134ErlunTaiwan, Taiwan
    731.4×
  136. 136ErlinTaiwan, Taiwan
    731.4×
  137. 137ŁukówLublin, Poland
    731.4×
  138. 137BydgoszczKujawsko-Pomorskie, Poland
    731.4×
  139. 139PułtuskMazovia, Poland
    731.4×
  140. 140CuricóMaule Region, Chile
    721.4×
  141. 141ŻywiecSilesia, Poland
    721.4×
  142. 142Konstancin-JeziornaMazovia, Poland
    721.4×
  143. 143OlsztynWarmia-Masuria, Poland
    721.4×
  144. 143OsornoLos Lagos Region, Chile
    721.4×
  145. 145QuillotaValparaiso, Chile
    721.3×
  146. 145Puerto AysénAysén, Chile
    721.3×
  147. 145NacimientoBiobio, Chile
    721.3×
  148. 145La UniónLos Ríos Region, Chile
    721.3×
  149. 149NantouTaiwan, Taiwan
    711.3×
  150. 149RacibórzSilesia, Poland
    711.3×
  151. 151Viña del MarValparaiso, Chile
    711.3×
  152. 152Ban Talat BuengChon Buri, Thailand
    711.3×
  153. 153RanongRanong province, Thailand
    711.3×
  154. 154Hua HinPrachuap Khiri Khan, Thailand
    701.3×
  155. 154PoznańGreater Poland, Poland
    701.3×
  156. 156PhetchaburiPhetchaburi, Thailand
    701.3×
  157. 156KutnoŁódź Voivodeship, Poland
    701.3×
  158. 156CoronelBiobio, Chile
    701.3×
  159. 159ChanthaburiChanthaburi, Thailand
    701.3×
  160. 159XinyingTaiwan, Taiwan
    701.3×
  161. 161QuinteroValparaiso, Chile
    701.3×
  162. 161AricaArica y Parinacota Region, Chile
    701.3×
  163. 163Almatylow-cost sensorsAlmaty, Kazakhstan
    701.3×
  164. 163ZgierzŁódź Voivodeship, Poland
    701.3×
  165. 163HualquiBiobio, Chile
    701.3×
  166. 166XizhouTaiwan, Taiwan
    691.3×
  167. 167LublinLublin, Poland
    691.3×
  168. 167AstanaAstana, Kazakhstan
    691.3×
  169. 169Ban ChangRayong, Thailand
    691.3×
  170. 169KrakówLesser Poland, Poland
    691.3×
  171. 169TalcaMaule Region, Chile
    691.3×
  172. 172ŻyrardówMazovia, Poland
    691.2×
  173. 172ZhubeiTaiwan, Taiwan
    691.2×
  174. 172ChanghuaTaiwan, Taiwan
    691.2×
  175. 172Silao de la VictoriaGuanajuato, Mexico
    691.2×
  176. 176PirotCentral Serbia, Serbia
    691.2×
  177. 176ToufenTaiwan, Taiwan
    691.2×
  178. 176KaliszGreater Poland, Poland
    691.2×
  179. 176RengoO'Higgins Region, Chile
    691.2×
  180. 180Los ÁngelesBiobio, Chile
    681.2×
  181. 181Surat ThaniSurat Thani, Thailand
    681.2×
  182. 181Samut PrakanSamut Prakan, Thailand
    681.2×
  183. 181Quezon Citylow-cost sensorsNational Capital Region, Philippines
    681.2×
  184. 184NiskoSubcarpathia, Poland
    681.2×
  185. 184Hat YaiSongkhla, Thailand
    681.2×
  186. 184CalamaAntofagasta, Chile
    681.2×
  187. 187BytówPomerania, Poland
    681.2×
  188. 187ConcónValparaiso, Chile
    681.2×
  189. 189WarsawMazovia, Poland
    681.2×
  190. 189BiałystokPodlasie, Poland
    681.2×
  191. 191DenverColorado, United States
    671.2×
  192. 192SmederevoCentral Serbia, Serbia
    671.2×
  193. 192Bang Bo DistrictSamut Prakan, Thailand
    671.2×
  194. 192ShakopeeMinnesota, United States
    671.2×
  195. 195ShulinTaipei, Taiwan
    671.2×
  196. 195HsinchuTaiwan, Taiwan
    671.2×
  197. 195San Pedro de la PazBiobio, Chile
    671.2×
  198. 198BuziTaiwan, Taiwan
    661.2×
  199. 198Ciudad JuárezChihuahua, Mexico
    661.2×
  200. 200ĆuprijaCentral Serbia, Serbia
    661.2×

Top 200 of 1,637 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, March 26, 2024, smogrank.com/history/2024-03-26 (accessed 3 Oct 2026).

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