SmogRank / History / August 26, 2025

Most polluted cities on August 26, 2025

2,376 cities ranked by their average PM2.5 over the day; the worst was Saltillo, Mexico, at 366.0 µg/m³. Each city's own local calendar day.

  1. 1SaltilloCoahuila, Mexico
    366.024.4×
  2. 2Sri GanganagarRajasthan, India
    84.05.6×
  3. 3RānipetTamil Nadu, India
    82.65.5×
  4. 4CuddaloreTamil Nadu, India
    81.25.4×
  5. 5Vereeniginglow-cost sensorsGauteng, South Africa
    65.04.3×
  6. 6LeónCastille and León, Spain
    60.74.0×
  7. 7NagapattinamTamil Nadu, India
    59.44.0×
  8. 8GummidipundiTamil Nadu, India
    58.93.9×
  9. 9KigaliKigali, Rwanda
    56.83.8×
  10. 10BhāgalpurBihar, India
    54.03.6×
  11. 11Dubailow-cost sensorsDubai, United Arab Emirates
    50.23.3×
  12. 12ChittoorAndhra Pradesh, India
    46.83.1×
  13. 13Hararelow-cost sensorsHarare, Zimbabwe
    45.03.0×
  14. 14TirupatiAndhra Pradesh, India
    44.53.0×
  15. 15VijayawadaAndhra Pradesh, India
    43.62.9×
  16. 16SingrauliMadhya Pradesh, India
    43.42.9×
  17. 17Istanbullow-cost sensorsIstanbul, Turkey
    42.72.8×
  18. 18AjmerRajasthan, India
    42.42.8×
  19. 19Multanlow-cost sensorsPunjab, Pakistan
    40.92.7×
  20. 20Bahawalpurlow-cost sensorsPunjab, Pakistan
    40.42.7×
  21. 21Faisalabadlow-cost sensorsPunjab, Pakistan
    39.32.6×
  22. 22JakartaJakarta, Indonesia
    39.02.6×
  23. 23BuxarBihar, India
    37.82.5×
  24. 24DhaulpurRajasthan, India
    37.12.5×
  25. 25HājīpurBihar, India
    37.02.5×
  26. 26PonferradaCastille and León, Spain
    36.72.4×
  27. 27PatnaBihar, India
    36.32.4×
  28. 28KanchipuramTamil Nadu, India
    35.52.4×
  29. 29JodaOdisha, India
    34.82.3×
  30. 30HyderabadTelangana, India
    34.72.3×
  31. 31JaénAndalusia, Spain
    34.32.3×
  32. 31CalexicoCalifornia, United States
    34.32.3×
  33. 33Ashaimanlow-cost sensorsGreater Accra, Ghana
    34.12.3×
  34. 34ManzanaresCastille-La Mancha, Spain
    33.72.2×
  35. 35SalemTamil Nadu, India
    33.42.2×
  36. 36NagaonAssam, India
    33.32.2×
  37. 37San Francisco De BorjaLima region, Peru
    32.22.1×
  38. 38YamanashiYamanashi, Japan
    31.62.1×
  39. 39LorcaMurcia, Spain
    31.52.1×
  40. 40QuthbullapurTelangana, India
    30.82.1×
  41. 41Lahorelow-cost sensorsPunjab, Pakistan
    30.72.0×
  42. 42GayaBihar, India
    30.22.0×
  43. 43AngulOdisha, India
    29.92.0×
  44. 44MorādābādUttar Pradesh, India
    29.72.0×
  45. 44JumillaMurcia, Spain
    29.72.0×
  46. 46ChennaiTamil Nadu, India
    29.52.0×
  47. 47LewistonIdaho, United States
    29.42.0×
  48. 48CatañoCataño, Puerto Rico
    29.21.9×
  49. 49AnantapurAndhra Pradesh, India
    29.01.9×
  50. 49Lagoslow-cost sensorsLagos, Nigeria
    29.01.9×
  51. 51LucknowUttar Pradesh, India
    28.61.9×
  52. 52KalyānMaharashtra, India
    28.41.9×
  53. 53DausaRajasthan, India
    28.11.9×
  54. 53ŌtsukiYamanashi, Japan
    28.11.9×
  55. 55Karachilow-cost sensorsSindh, Pakistan
    28.01.9×
  56. 55BengaluruKarnataka, India
    28.01.9×
  57. 55PalenciaCastille and León, Spain
    28.01.9×
  58. 58MangaluruKarnataka, India
    27.31.8×
  59. 58ChāpraBihar, India
    27.31.8×
  60. 58CholulaPuebla, Mexico
    27.31.8×
  61. 61Quettalow-cost sensorsBalochistan, Pakistan
    27.21.8×
  62. 62NāgaurRajasthan, India
    26.91.8×
  63. 63BhiwadiRajasthan, India
    26.81.8×
  64. 64RourkelaOdisha, India
    26.71.8×
  65. 64AioiHyōgo, Japan
    26.71.8×
  66. 66RasapūdipalemAndhra Pradesh, India
    26.51.8×
  67. 67NalbāriAssam, India
    26.31.8×
  68. 68SerilingampalleTelangana, India
    26.11.7×
  69. 69RānīganjWest Bengal, India
    26.01.7×
  70. 69TorreviejaValencia, Spain
    26.01.7×
  71. 69VapiGujarat, India
    26.01.7×
  72. 72BārānRajasthan, India
    25.91.7×
  73. 73BegusaraiBihar, India
    25.71.7×
  74. 74HikoneShiga, Japan
    25.51.7×
  75. 74KariyaHyōgo, Japan
    25.51.7×
  76. 74BizenOkayama, Japan
    25.51.7×
  77. 77OnoHyōgo, Japan
    25.21.7×
  78. 77CaravacaMurcia, Spain
    25.21.7×
  79. 79LaturMaharashtra, India
    25.11.7×
  80. 79IkarugaHyōgo, Japan
    25.11.7×
  81. 79Temalow-cost sensorsGreater Accra, Ghana
    25.11.7×
  82. 79AridaWakayama, Japan
    25.11.7×
  83. 83Hyderabadlow-cost sensorsSindh, Pakistan
    25.01.7×
  84. 83YoukaichiShiga, Japan
    25.01.7×
  85. 83NagahamaShiga, Japan
    25.01.7×
  86. 83MiyazuKyoto, Japan
    25.01.7×
  87. 87TakarazukaHyōgo, Japan
    24.91.7×
  88. 87HigashinozoeHyōgo, Japan
    24.91.7×
  89. 87NishinomiyaHyōgo, Japan
    24.91.7×
  90. 87TatsunoHyōgo, Japan
    24.91.7×
  91. 91KainanWakayama, Japan
    24.81.7×
  92. 92TanbaHyōgo, Japan
    24.71.6×
  93. 93SandachōHyōgo, Japan
    24.61.6×
  94. 94ZentsujichóKagawa, Japan
    24.51.6×
  95. 94KofuYamanashi, Japan
    24.51.6×
  96. 94AiharaKanagawa, Japan
    24.51.6×
  97. 94MarigotSaint Martin
    24.51.6×
  98. 98AnanTokushima, Japan
    24.41.6×
  99. 98CallaoCallao, Peru
    24.41.6×
  100. 100TonkRajasthan, India
    24.31.6×
  101. 100HachiōjiTokyo, Japan
    24.31.6×
  102. 102MalegaonMaharashtra, India
    24.21.6×
  103. 103AkashiHyōgo, Japan
    24.11.6×
  104. 103SaikiOita, Japan
    24.11.6×
  105. 103Kakogawachō-honmachiHyōgo, Japan
    24.11.6×
  106. 103AkishimaTokyo, Japan
    24.11.6×
  107. 103NeelankaraiTamil Nadu, India
    24.11.6×
  108. 108Tottori-shiTottori, Japan
    24.01.6×
  109. 109ĀsansolWest Bengal, India
    23.91.6×
  110. 109ŌmeTokyo, Japan
    23.91.6×
  111. 109San Salvador TizatlalliMéxico, Mexico
    23.91.6×
  112. 112PratāpgarhRajasthan, India
    23.81.6×
  113. 113ToyonakaOsaka, Japan
    23.71.6×
  114. 114Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    23.61.6×
  115. 114HimejiHyōgo, Japan
    23.61.6×
  116. 114MedfordOregon, United States
    23.61.6×
  117. 117VelloreTamil Nadu, India
    23.51.6×
  118. 117Kan’onjichōKagawa, Japan
    23.51.6×
  119. 117Medina del CampoCastille and León, Spain
    23.51.6×
  120. 117San Francisco TlalcilalcalpanMéxico, Mexico
    23.51.6×
  121. 117FuchūTokyo, Japan
    23.51.6×
  122. 122MaizuruKyoto, Japan
    23.41.6×
  123. 122AyabeKyoto, Japan
    23.41.6×
  124. 122Wadgaon KolhatiMaharashtra, India
    23.41.6×
  125. 125TomiokaGunma, Japan
    23.31.6×
  126. 125MinawaKanagawa, Japan
    23.31.6×
  127. 127AmagasakiHyōgo, Japan
    23.21.5×
  128. 128BoisarMaharashtra, India
    23.11.5×
  129. 128IkedachōTokushima, Japan
    23.11.5×
  130. 128AlcantarillaMurcia, Spain
    23.11.5×
  131. 131OkayamaOkayama, Japan
    23.01.5×
  132. 131MinamirinkanKanagawa, Japan
    23.01.5×
  133. 131KishiwadaOsaka, Japan
    23.01.5×
  134. 134SilcharAssam, India
    22.91.5×
  135. 134AnkleshwarGujarat, India
    22.91.5×
  136. 134YonoOsaka, Japan
    22.91.5×
  137. 137KochiKochi, Japan
    22.81.5×
  138. 137KobeHyōgo, Japan
    22.81.5×
  139. 137Molina de SeguraMurcia, Spain
    22.81.5×
  140. 140KamisuIbaraki, Japan
    22.71.5×
  141. 141MuzaffarnagarUttar Pradesh, India
    22.61.5×
  142. 141KhargharMaharashtra, India
    22.61.5×
  143. 143Shimo-tsumaIbaraki, Japan
    22.51.5×
  144. 143AkiKochi, Japan
    22.51.5×
  145. 145MenumaSaitama, Japan
    22.41.5×
  146. 145Le LamentinMartinique, Martinique
    22.41.5×
  147. 147TatebayashiGunma, Japan
    22.31.5×
  148. 147TamanoOkayama, Japan
    22.31.5×
  149. 147Barrio de PeralMurcia, Spain
    22.31.5×
  150. 147KodairaTokyo, Japan
    22.31.5×
  151. 151YaitaTochigi, Japan
    22.21.5×
  152. 151FuenlabradaMadrid, Spain
    22.21.5×
  153. 153MurciaMurcia, Spain
    22.11.5×
  154. 154SumotoHyōgo, Japan
    22.01.5×
  155. 154MarugameKagawa, Japan
    22.01.5×
  156. 154KameokaKyoto, Japan
    22.01.5×
  157. 154InoKochi, Japan
    22.01.5×
  158. 154FukuchiyamaKyoto, Japan
    22.01.5×
  159. 154Fort-de-FranceMartinique, Martinique
    22.01.5×
  160. 160TakinomiyaKagawa, Japan
    21.91.5×
  161. 160KiryūGunma, Japan
    21.91.5×
  162. 162VijayapuraKarnataka, India
    21.81.5×
  163. 162Mollet del VallèsCatalonia, Spain
    21.81.5×
  164. 164AshlandOregon, United States
    21.71.4×
  165. 165JalandharPunjab, India
    21.61.4×
  166. 165Accralow-cost sensorsGreater Accra, Ghana
    21.61.4×
  167. 165Les AbymesGuadeloupe, Guadeloupe
    21.61.4×
  168. 168NishiwakiHyōgo, Japan
    21.51.4×
  169. 168Kamojimachō-jōgejimaTokushima, Japan
    21.51.4×
  170. 168HadanoKanagawa, Japan
    21.51.4×
  171. 168GyōdaSaitama, Japan
    21.51.4×
  172. 168ChigasakiKanagawa, Japan
    21.51.4×
  173. 168Prince GeorgeBritish Columbia, Canada
    21.51.4×
  174. 174SanoTochigi, Japan
    21.41.4×
  175. 174KurashikiOkayama, Japan
    21.41.4×
  176. 174Gasteiz / VitoriaBasque Country, Spain
    21.41.4×
  177. 177RājsamandRajasthan, India
    21.31.4×
  178. 177XonacatlánMéxico, Mexico
    21.31.4×
  179. 179RoparPunjab, India
    21.21.4×
  180. 179KomatsuIshikawa, Japan
    21.21.4×
  181. 179IzumisanoOsaka, Japan
    21.21.4×
  182. 179ImaichiTochigi, Japan
    21.21.4×
  183. 179SennanOsaka, Japan
    21.21.4×
  184. 184OnomichiHiroshima, Japan
    21.11.4×
  185. 184HiragiKagawa, Japan
    21.11.4×
  186. 186UozuToyama, Japan
    21.01.4×
  187. 186OyamaTochigi, Japan
    21.01.4×
  188. 186IzumiOsaka, Japan
    21.01.4×
  189. 186KasamaIbaraki, Japan
    21.01.4×
  190. 186Minami-AlpsYamanashi, Japan
    21.01.4×
  191. 191NagpurMaharashtra, India
    20.91.4×
  192. 191OsakaOsaka, Japan
    20.91.4×
  193. 191KōnosuSaitama, Japan
    20.91.4×
  194. 191KitahamaShiga, Japan
    20.91.4×
  195. 191HonjōSaitama, Japan
    20.91.4×
  196. 191IgaMie, Japan
    20.91.4×
  197. 191KyōtangoKyoto, Japan
    20.91.4×
  198. 198BettiahBihar, India
    20.81.4×
  199. 198YokkaichiMie, Japan
    20.81.4×
  200. 198ShidoKagawa, Japan
    20.81.4×

Top 200 of 2,376 shown.

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

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SmogRank, most polluted cities, PM2.5, August 26, 2025, smogrank.com/history/2025-08-26 (accessed 2 Oct 2026).

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