SmogRank / History / week of March 11, 2024

Most polluted cities, week of March 11, 2024

1,426 cities ranked by their average PM2.5 over the 7 days; the worst was N'Djamena, Chad, at 169.7 µg/m³. A city needs measurements on 70% of the days to be ranked.

← N'Djamena 169.7
Every city ranked for week of March 11, 2024, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1N'DjamenaN’Djaména, Chad
    10+
  2. 2Dhakalow-cost sensorsDhaka Division, Bangladesh
    10+
  3. 3Lahorelow-cost sensorsPunjab, Pakistan
    10+
  4. 4Kathmandulow-cost sensorsBagmati Province, Nepal
    8
  5. 5DelhiDelhi, India
    8
  6. 6Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    7
  7. 7KolkataWest Bengal, India
    7
  8. 8ShenyangLiaoning, China
    7
  9. 9HyderabadTelangana, India
    6
  10. 10BeijingBeijing, China
    6
  11. 11Karachilow-cost sensorsSindh, Pakistan
    6
  12. 12YangonYangon, Myanmar
    5
  13. 13HanoiHanoi, Vietnam
    5
  14. 14AshgabatAshgabat, Turkmenistan
    5
  15. 14KigaliKigali, Rwanda
    5
  16. 16ColomboWestern Province, Sri Lanka
    5
  17. 17MumbaiMaharashtra, India
    5
  18. 18GuangzhouGuangdong, China
    4
  19. 19Wan ChaiWan Chai, Hong Kong
    4
  20. 20BaghdadBaghdad, Iraq
    4
  21. 21Ulan BatorUlaanbaatar, Mongolia
    4
  22. 22DziałdowoWarmia-Masuria, Poland
    4
  23. 23SalorTashkent Region, Uzbekistan
    4
  24. 24CairoCairo, Egypt
    4
  25. 25WłocławekKujawsko-Pomorskie, Poland
    4
  26. 26ŻywiecSilesia, Poland
    4
  27. 27Mong KokYau Tsim Mong District, Hong Kong
    4
  28. 27RacibórzSilesia, Poland
    4
  29. 29DębicaSubcarpathia, Poland
    4
  30. 30Banja LukaSrpska, Bosnia and Herzegovina
    4
  31. 31BakuBaki, Azerbaijan
    4
  32. 31PoznańGreater Poland, Poland
    4
  33. 33Skarżysko-KamiennaŚwiętokrzyskie, Poland
    4
  34. 34PljevljaPljevlja, Montenegro
    4
  35. 35SarajevoFederation of B&H, Bosnia and Herzegovina
    4
  36. 35RabinalBaja Verapaz, Guatemala
    4
  37. 37Tuen MunTuen Mun, Hong Kong
    4
  38. 38KaliszGreater Poland, Poland
    3
  39. 39Santa Anita - Los FicusLima region, Peru
    3
  40. 40Czechowice-DziedziceSilesia, Poland
    3
  41. 41LazarevacCentral Serbia, Serbia
    3
  42. 42Jastrzębie ZdrójSilesia, Poland
    3
  43. 43KościanGreater Poland, Poland
    3
  44. 44SzczecinWest Pomerania, Poland
    3
  45. 44BydgoszczKujawsko-Pomorskie, Poland
    3
  46. 44Asunciónlow-cost sensorsAsuncion, Paraguay
    3
  47. 47ChennaiTamil Nadu, India
    3
  48. 47RadomskoŁódź Voivodeship, Poland
    3
  49. 49ZemunCentral Serbia, Serbia
    3
  50. 50PančevoVojvodina, Serbia
    3
  51. 51ZgierzŁódź Voivodeship, Poland
    3
  52. 52CelayaGuanajuato, Mexico
    3
  53. 53OpoleOpole Voivodeship, Poland
    3
  54. 54KutnoŁódź Voivodeship, Poland
    3
  55. 55LęborkPomerania, Poland
    3
  56. 56BaytownTexas, United States
    3
  57. 57VictoriaCentral and Western, Hong Kong
    3
  58. 57ŁaskŁódź Voivodeship, Poland
    3
  59. 59KatowiceSilesia, Poland
    3
  60. 60ToruńKujawsko-Pomorskie, Poland
    3
  61. 61AugustówPodlasie, Poland
    3
  62. 62Tai PoTai Po, Hong Kong
    3
  63. 63OtwockMazovia, Poland
    3
  64. 63KościerzynaPomerania, Poland
    3
  65. 65Sham Shui PoSham Shui Po District, Hong Kong
    3
  66. 66Kędzierzyn-KoźleOpole Voivodeship, Poland
    3
  67. 67Almatylow-cost sensorsAlmaty, Kazakhstan
    3
  68. 68PruszkówMazovia, Poland
    3
  69. 69NáchodHradec Králové Region, Czechia
    3
  70. 70Gorzów WielkopolskiLubusz, Poland
    3
  71. 71BelgradeCentral Serbia, Serbia
    3
  72. 72KłodzkoLower Silesia, Poland
    3
  73. 73ElblągWarmia-Masuria, Poland
    3
  74. 74ŻyrardówMazovia, Poland
    3
  75. 75OlsztynWarmia-Masuria, Poland
    3
  76. 76Konstancin-JeziornaMazovia, Poland
    3
  77. 76Tsuen WanTsuen Wan, Hong Kong
    3
  78. 78KrakówLesser Poland, Poland
    3
  79. 79KielceŚwiętokrzyskie, Poland
    3
  80. 80StarachowiceŚwiętokrzyskie, Poland
    3
  81. 80LegionowoMazovia, Poland
    3
  82. 82ObrenovacCentral Serbia, Serbia
    3
  83. 82AstanaAstana, Kazakhstan
    3
  84. 84JakartaJakarta, Indonesia
    3
  85. 85RadomMazovia, Poland
    3
  86. 85GdyniaPomerania, Poland
    3
  87. 87MielecSubcarpathia, Poland
    3
  88. 87Abujalow-cost sensorsFCT, Nigeria
    3
  89. 89Tin Shui WaiYuen Long, Hong Kong
    3
  90. 90SremčicaCentral Serbia, Serbia
    3
  91. 91Ban Khlong PrawetBangkok, Thailand
    3
  92. 92WrocławLower Silesia, Poland
    3
  93. 92PłockMazovia, Poland
    3
  94. 92BytówPomerania, Poland
    3
  95. 95AntananarivoAnalamanga, Madagascar
    3
  96. 95Kwai ChungKwai Tsing District, Hong Kong
    3
  97. 97SiedlceMazovia, Poland
    3
  98. 98Kampalalow-cost sensorsCentral Region, Uganda
    3
  99. 98PrzemyślSubcarpathia, Poland
    3
  100. 98ŚwiecieKujawsko-Pomorskie, Poland
    3
  101. 101Kuala LumpurKuala Lumpur, Malaysia
    3
  102. 102PułtuskMazovia, Poland
    3
  103. 103LublinLublin, Poland
    3
  104. 104FanlingNorth District, Hong Kong
    3
  105. 105MiskolcBorsod-Abaúj-Zemplén, Hungary
    3
  106. 105Sha TinSha Tin, Hong Kong
    3
  107. 107Ulu BedokSingapore
    3
  108. 108GrajewoPodlasie, Poland
    2
  109. 109GdańskPomerania, Poland
    2
  110. 110ŁukówLublin, Poland
    2
  111. 110ŁódźŁódź Voivodeship, Poland
    2
  112. 110ColumbusGeorgia, United States
    2
  113. 113SopotPomerania, Poland
    2
  114. 114KołobrzegWest Pomerania, Poland
    2
  115. 115ZamośćLublin, Poland
    2
  116. 116WarsawMazovia, Poland
    2
  117. 116Strzelce OpolskieOpole Voivodeship, Poland
    2
  118. 116SalamancaGuanajuato, Mexico
    2
  119. 119Saint AndrewsSouth Carolina, United States
    2
  120. 120FlorenceSouth Carolina, United States
    2
  121. 121WawerMazovia, Poland
    2
  122. 121San Tung Chung HangIslands, Hong Kong
    2
  123. 123SuwałkiPodlasie, Poland
    2
  124. 124AlbanyGeorgia, United States
    2
  125. 125Sau Mau PingKwun Tong District, Hong Kong
    2
  126. 126Addis AbabaAddis Ababa, Ethiopia
    2
  127. 127BiałystokPodlasie, Poland
    2
  128. 128NiskoSubcarpathia, Poland
    2
  129. 129HamarInnlandet, Norway
    2
  130. 130DushanbeDushanbe, Tajikistan
    2
  131. 130Quezon Citylow-cost sensorsNational Capital Region, Philippines
    2
  132. 132RzeszówSubcarpathia, Poland
    2
  133. 132JarosławSubcarpathia, Poland
    2
  134. 132Jelenia GóraLower Silesia, Poland
    2
  135. 132MaconGeorgia, United States
    2
  136. 136AberdeenSouthern District, Hong Kong
    2
  137. 136San Luis de la PazGuanajuato, Mexico
    2
  138. 136León de los AldamaGuanajuato, Mexico
    2
  139. 139TarnówLesser Poland, Poland
    2
  140. 139AmagasakiHyōgo, Japan
    2
  141. 141Warner RobinsGeorgia, United States
    2
  142. 141San Francisco De BorjaLima region, Peru
    2
  143. 143IrapuatoGuanajuato, Mexico
    2
  144. 143Phenix CityAlabama, United States
    2
  145. 145NakatsuOita, Japan
    2
  146. 146YawataKyoto, Japan
    2
  147. 146HigashinozoeHyōgo, Japan
    2
  148. 146KurashikiOkayama, Japan
    2
  149. 149EłkWarmia-Masuria, Poland
    2
  150. 149Kakogawachō-honmachiHyōgo, Japan
    2
  151. 149AugustaGeorgia, United States
    2
  152. 149ValdostaGeorgia, United States
    2
  153. 149MissionTexas, United States
    2
  154. 154Ang Mo Kio New TownSingapore
    2
  155. 155Botevgradlow-cost sensorsSofia, Bulgaria
    2
  156. 155KasaokaOkayama, Japan
    2
  157. 157TaharaAichi, Japan
    2
  158. 157Kan’onjichōKagawa, Japan
    2
  159. 159MitoIbaraki, Japan
    2
  160. 160YoukaichiShiga, Japan
    2
  161. 160ŌgakiGifu, Japan
    2
  162. 160HandaAichi, Japan
    2
  163. 163AkashiHyōgo, Japan
    2
  164. 163TenriNara, Japan
    2
  165. 163TamanoOkayama, Japan
    2
  166. 163LimaLima Province, Peru
    2
  167. 167YokkaichiMie, Japan
    2
  168. 167NishinomiyaHyōgo, Japan
    2
  169. 169YukuhashiFukuoka, Japan
    2
  170. 170KameyamaMie, Japan
    2
  171. 171KyotoKyoto, Japan
    2
  172. 171SaijōEhime, Japan
    2
  173. 171AlgiersAlgiers, Algeria
    2
  174. 171HashimaGifu, Japan
    2
  175. 171AridaWakayama, Japan
    2
  176. 176SuzakaNagano, Japan
    2
  177. 177ShimonosekiYamaguchi, Japan
    2
  178. 177HikariYamaguchi, Japan
    2
  179. 177DurhamNorth Carolina, United States
    2
  180. 177TakashimaShiga, Japan
    2
  181. 177TōkaiAichi, Japan
    2
  182. 177AsakuchiOkayama, Japan
    2
  183. 183KobeHyōgo, Japan
    2
  184. 183Forest ParkGeorgia, United States
    2
  185. 183GreenvilleSouth Carolina, United States
    2
  186. 183SugaiKyoto, Japan
    2
  187. 187KusatsuShiga, Japan
    2
  188. 187HōryūjiNara, Japan
    2
  189. 187HimejiHyōgo, Japan
    2
  190. 187KennesawGeorgia, United States
    2
  191. 187ShikokuchūōEhime, Japan
    2
  192. 192TokiGifu, Japan
    2
  193. 192OnodaYamaguchi, Japan
    2
  194. 192FukuyamaHiroshima, Japan
    2
  195. 192GainesvilleGeorgia, United States
    2
  196. 192OwariasahiAichi, Japan
    2
  197. 192KogaFukuoka, Japan
    2
  198. 192MatsusakaMie, Japan
    2
  199. 192BizenOkayama, Japan
    2

Top 200 of 1,426 shown.

Low risk1–3
Moderate risk4–6
High risk7–10
Very high risk10+

Canada's AQHI+ for PM2.5 (1 point per 10 µg/m³), which is defined on hourly values. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

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SmogRank, most polluted cities, PM2.5, week of March 11, 2024, smogrank.com/history/2024-W11 (accessed 2 Oct 2026).

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