SmogRank / History / week of October 7, 2024

Most polluted cities, week of October 7, 2024

1,521 cities ranked by their average PM2.5 over the 7 days; the worst was Baghdad, Iraq, at 123.0 µg/m³. A city needs measurements on 70% of the days to be ranked.

  1. 1BaghdadBaghdad, Iraq
    123.0
  2. 2Lahorelow-cost sensorsPunjab, Pakistan
    95.9
  3. 3Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    88.8
  4. 4Kampalalow-cost sensorsCentral Region, Uganda
    86.6
  5. 5HanoiHanoi, Vietnam
    78.0
  6. 6Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    77.3
  7. 7Dhakalow-cost sensorsDhaka Division, Bangladesh
    69.0
  8. 8DelhiDelhi, India
    58.6
  9. 9BeijingBeijing, China
    56.4
  10. 10Karachilow-cost sensorsSindh, Pakistan
    52.3
  11. 11SheridanWyoming, United States
    46.9
  12. 12Şabāḩ as SālimMubārak al Kabīr, Kuwait
    46.8
  13. 13JakartaJakarta, Indonesia
    46.6
  14. 14Tha BoNong Khai, Thailand
    43.8
  15. 15CairoCairo, Egypt
    42.6
  16. 16AshgabatAshgabat, Turkmenistan
    40.3
  17. 17MumbaiMaharashtra, India
    39.8
  18. 18Santa Anita - Los FicusLima region, Peru
    38.8
  19. 19Islamabadlow-cost sensorsIslamabad, Pakistan
    37.2
  20. 20GuangzhouGuangdong, China
    36.8
  21. 21Chiang Mailow-cost sensorsChiang Mai, Thailand
    36.4
  22. 22LimaLima Province, Peru
    34.4
  23. 23ShenyangLiaoning, China
    33.8
  24. 24ShanghaiShanghai, China
    33.4
  25. 25Vereeniginglow-cost sensorsGauteng, South Africa
    32.8
  26. 26DushanbeDushanbe, Tajikistan
    32.7
  27. 27AntananarivoAnalamanga, Madagascar
    32.1
  28. 27Bangkoklow-cost sensorsBangkok, Thailand
    32.1
  29. 29Kathmandulow-cost sensorsBagmati Province, Nepal
    31.7
  30. 30ManamaManama, Bahrain
    31.5
  31. 31Ulan BatorUlaanbaatar, Mongolia
    30.7
  32. 32SalorTashkent Region, Uzbekistan
    30.3
  33. 33Wan ChaiWan Chai, Hong Kong
    27.6
  34. 34Tuen MunTuen Mun, Hong Kong
    25.7
  35. 35San Francisco De BorjaLima region, Peru
    24.0
  36. 36FengshanTakao, Taiwan
    23.8
  37. 37KolkataWest Bengal, India
    23.2
  38. 38FanlingNorth District, Hong Kong
    23.1
  39. 39Tin Shui WaiYuen Long, Hong Kong
    22.6
  40. 40San Tung Chung HangIslands, Hong Kong
    22.3
  41. 41Istanbullow-cost sensorsIstanbul, Turkey
    22.2
  42. 41AlgiersAlgiers, Algeria
    22.2
  43. 43Addis AbabaAddis Ababa, Ethiopia
    21.6
  44. 44Los AngelesCalifornia, United States
    21.4
  45. 45Jacobo HunterArequipa, Peru
    21.3
  46. 46Mong KokYau Tsim Mong District, Hong Kong
    21.2
  47. 47Tai PoTai Po, Hong Kong
    20.8
  48. 47ValjevoCentral Serbia, Serbia
    20.8
  49. 49Yerevanlow-cost sensorsYerevan, Armenia
    20.7
  50. 50CallaoCallao, Peru
    20.5
  51. 51San ClementeIca, Peru
    20.2
  52. 51ButteMontana, United States
    20.2
  53. 53Tsuen WanTsuen Wan, Hong Kong
    20.1
  54. 54Skarżysko-KamiennaŚwiętokrzyskie, Poland
    19.8
  55. 54SmederevoCentral Serbia, Serbia
    19.8
  56. 54AstanaAstana, Kazakhstan
    19.8
  57. 54Villa Poeta José Gálvez BarrenecheaLima region, Peru
    19.8
  58. 58XinyingTaiwan, Taiwan
    19.7
  59. 58Kwai ChungKwai Tsing District, Hong Kong
    19.7
  60. 60NišCentral Serbia, Serbia
    19.6
  61. 60UžiceCentral Serbia, Serbia
    19.6
  62. 60Inglewoodlow-cost sensorsCalifornia, United States
    19.6
  63. 63Abujalow-cost sensorsFCT, Nigeria
    19.5
  64. 64YangonYangon, Myanmar
    19.4
  65. 65KraljevoCentral Serbia, Serbia
    19.3
  66. 65YongkangTaiwan, Taiwan
    19.3
  67. 67KaohsiungTakao, Taiwan
    19.1
  68. 68Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    19.0
  69. 69Hawthornelow-cost sensorsCalifornia, United States
    18.9
  70. 70LazarevacCentral Serbia, Serbia
    18.8
  71. 70TainanTaiwan, Taiwan
    18.8
  72. 70Sham Shui PoSham Shui Po District, Hong Kong
    18.8
  73. 70Carsonlow-cost sensorsCalifornia, United States
    18.8
  74. 70Jurupa ValleyCalifornia, United States
    18.8
  75. 75BakuBaki, Azerbaijan
    18.7
  76. 76VictoriaCentral and Western, Hong Kong
    18.6
  77. 76Medina Estateslow-cost sensorsGreater Accra, Ghana
    18.6
  78. 78TijuanaBaja California, Mexico
    18.4
  79. 79AberdeenSouthern District, Hong Kong
    18.2
  80. 79HelenaMontana, United States
    18.2
  81. 81HyderabadTelangana, India
    18.0
  82. 82BurbankCalifornia, United States
    17.9
  83. 83Quezon Citylow-cost sensorsNational Capital Region, Philippines
    17.8
  84. 83BellevueNebraska, United States
    17.8
  85. 85ZhushanTaiwan, Taiwan
    17.7
  86. 86Sau Mau PingKwun Tong District, Hong Kong
    17.5
  87. 87Chiayi CityTaiwan, Taiwan
    17.4
  88. 87AugustaGeorgia, United States
    17.4
  89. 89Santa Monicalow-cost sensorsCalifornia, United States
    17.3
  90. 90WłocławekKujawsko-Pomorskie, Poland
    17.2
  91. 91ObrenovacCentral Serbia, Serbia
    17.1
  92. 91Torrancelow-cost sensorsCalifornia, United States
    17.1
  93. 91YanacanchaPasco, Peru
    17.1
  94. 94ĆuprijaCentral Serbia, Serbia
    16.9
  95. 94Sha TinSha Tin, Hong Kong
    16.9
  96. 94N'DjamenaN’Djaména, Chad
    16.9
  97. 94FontanaCalifornia, United States
    16.9
  98. 94El PasoTexas, United States
    16.9
  99. 99ZgierzŁódź Voivodeship, Poland
    16.6
  100. 99RiversideCalifornia, United States
    16.6
  101. 101LublinLublin, Poland
    16.5
  102. 101DziałdowoWarmia-Masuria, Poland
    16.5
  103. 101DouliuTaiwan, Taiwan
    16.5
  104. 101Sioux FallsSouth Dakota, United States
    16.5
  105. 101GreeleyColorado, United States
    16.5
  106. 106YuanlinTaiwan, Taiwan
    16.4
  107. 106Lomitalow-cost sensorsCalifornia, United States
    16.4
  108. 106Brightonlow-cost sensorsColorado, United States
    16.4
  109. 109LegionowoMazovia, Poland
    16.3
  110. 110ČačakCentral Serbia, Serbia
    16.1
  111. 111PruszkówMazovia, Poland
    16.0
  112. 111OtwockMazovia, Poland
    16.0
  113. 111ŁukówLublin, Poland
    16.0
  114. 111JinchengFukien, Taiwan
    16.0
  115. 111Lagoslow-cost sensorsLagos, Nigeria
    16.0
  116. 111SulphurLouisiana, United States
    16.0
  117. 117AugustówPodlasie, Poland
    15.9
  118. 117AnaheimCalifornia, United States
    15.9
  119. 117LongmontColorado, United States
    15.9
  120. 120ErlunTaiwan, Taiwan
    15.8
  121. 120Asunciónlow-cost sensorsAsuncion, Paraguay
    15.8
  122. 122Jurong WestSingapore
    15.7
  123. 122MissionTexas, United States
    15.7
  124. 122Northglennlow-cost sensorsColorado, United States
    15.7
  125. 122BillingsMontana, United States
    15.7
  126. 126Ang Mo Kio New TownSingapore
    15.6
  127. 126BogotáBogota D.C., Colombia
    15.6
  128. 128ZemunCentral Serbia, Serbia
    15.5
  129. 128VisaliaCalifornia, United States
    15.5
  130. 128Colorado SpringsColorado, United States
    15.5
  131. 131PuliTaiwan, Taiwan
    15.4
  132. 131BrookingsSouth Dakota, United States
    15.4
  133. 133BartlettTennessee, United States
    15.3
  134. 133ComptonCalifornia, United States
    15.3
  135. 133ThorntonColorado, United States
    15.3
  136. 136BeigangTaiwan, Taiwan
    15.2
  137. 137Fort CollinsColorado, United States
    15.1
  138. 138KielceŚwiętokrzyskie, Poland
    15.0
  139. 138KutnoŁódź Voivodeship, Poland
    15.0
  140. 138YauriCuzco Department, Peru
    15.0
  141. 138DallasTexas, United States
    15.0
  142. 142RadomMazovia, Poland
    14.9
  143. 142Richards Baylow-cost sensorsKwaZulu-Natal, South Africa
    14.9
  144. 142ChaozhouTaiwan, Taiwan
    14.9
  145. 145ŻyrardówMazovia, Poland
    14.8
  146. 145NiskoSubcarpathia, Poland
    14.8
  147. 145ChocopeLa Libertad, Peru
    14.8
  148. 145GainesvilleGeorgia, United States
    14.8
  149. 145HattiesburgMississippi, United States
    14.8
  150. 145GilletteWyoming, United States
    14.8
  151. 151HoustonTexas, United States
    14.5
  152. 151ReddingCalifornia, United States
    14.5
  153. 153Konstancin-JeziornaMazovia, Poland
    14.4
  154. 153TaibaoTaiwan, Taiwan
    14.4
  155. 153KaliszGreater Poland, Poland
    14.4
  156. 153Rapid CitySouth Dakota, United States
    14.4
  157. 157Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    14.3
  158. 157WatertownSouth Dakota, United States
    14.3
  159. 159NantouTaiwan, Taiwan
    14.1
  160. 159WoodlandsSingapore
    14.1
  161. 159GdyniaPomerania, Poland
    14.1
  162. 159West MemphisArkansas, United States
    14.1
  163. 163MiskolcBorsod-Abaúj-Zemplén, Hungary
    14.0
  164. 163BydgoszczKujawsko-Pomorskie, Poland
    14.0
  165. 163GlendoraCalifornia, United States
    14.0
  166. 166LafayetteLouisiana, United States
    13.9
  167. 167GrajewoPodlasie, Poland
    13.8
  168. 167Port ArthurTexas, United States
    13.8
  169. 169Little RockArkansas, United States
    13.7
  170. 169PasadenaTexas, United States
    13.7
  171. 171PirotCentral Serbia, Serbia
    13.6
  172. 171PuebloColorado, United States
    13.6
  173. 173StarachowiceŚwiętokrzyskie, Poland
    13.5
  174. 173Jastrzębie ZdrójSilesia, Poland
    13.5
  175. 173RabinalBaja Verapaz, Guatemala
    13.5
  176. 173Guatemala CityGuatemala, Guatemala
    13.5
  177. 173DenverColorado, United States
    13.5
  178. 173NampaIdaho, United States
    13.5
  179. 179Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    13.4
  180. 179SpartanburgSouth Carolina, United States
    13.4
  181. 179FresnoCalifornia, United States
    13.4
  182. 179Long BeachCalifornia, United States
    13.4
  183. 179LittletonColorado, United States
    13.4
  184. 184PoznańGreater Poland, Poland
    13.3
  185. 184Terre HauteIndiana, United States
    13.3
  186. 184ShreveportLouisiana, United States
    13.3
  187. 187León de los AldamaGuanajuato, Mexico
    13.2
  188. 188Silao de la VictoriaGuanajuato, Mexico
    13.1
  189. 188MeridianIdaho, United States
    13.1
  190. 190HernandoMississippi, United States
    13.0
  191. 190BozemanMontana, United States
    13.0
  192. 192San Luis de la PazGuanajuato, Mexico
    12.9
  193. 192Missouri CityTexas, United States
    12.9
  194. 192Agouralow-cost sensorsCalifornia, United States
    12.9
  195. 192MillcreekUtah, United States
    12.9
  196. 192TsuchiuraIbaraki, Japan
    12.9
  197. 197São PauloSão Paulo, Brazil
    12.8
  198. 197IndianapolisIndiana, United States
    12.8
  199. 197Casa GrandeArizona, United States
    12.8
  200. 197ClovisCalifornia, United States
    12.8

Top 200 of 1,521 shown.

Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+