SmogRank / History / October 17, 2025

Most polluted cities on October 17, 2025

1,825 cities ranked by their average PM2.5 over the day; the worst was Stodůlky, Czechia, at 206.6 µg/m³. Each city's own local calendar day.

  1. 1Stodůlkylow-cost sensorsPrague, Czechia
    206.613.8×
  2. 2GurugramHaryana, India
    178.011.9×
  3. 3Lahorelow-cost sensorsPunjab, Pakistan
    174.011.6×
  4. 4GhāziābādUttar Pradesh, India
    155.010.3×
  5. 5Faisalabadlow-cost sensorsPunjab, Pakistan
    149.09.9×
  6. 6Multanlow-cost sensorsPunjab, Pakistan
    144.09.6×
  7. 7Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    137.09.1×
  8. 7FaridabadHaryana, India
    137.09.1×
  9. 9NarelaDelhi, India
    130.08.7×
  10. 10HāpurUttar Pradesh, India
    129.08.6×
  11. 11NoidaUttar Pradesh, India
    128.08.5×
  12. 12HanumāngarhRajasthan, India
    127.08.5×
  13. 13Gujranwalalow-cost sensorsPunjab, Pakistan
    123.08.2×
  14. 14DelhiDelhi, India
    116.57.8×
  15. 15Blantyrelow-cost sensorsSouthern Region, Malawi
    114.07.6×
  16. 16DhāruheraHaryana, India
    113.07.5×
  17. 16UnderaGujarat, India
    113.07.5×
  18. 18BāghpatUttar Pradesh, India
    108.07.2×
  19. 19MuzaffarnagarUttar Pradesh, India
    105.07.0×
  20. 20Greater NoidaUttar Pradesh, India
    104.06.9×
  21. 21Sialkotlow-cost sensorsPunjab, Pakistan
    101.06.7×
  22. 22KolkataWest Bengal, India
    100.06.7×
  23. 23DushanbeDushanbe, Tajikistan
    99.96.7×
  24. 24GummidipundiTamil Nadu, India
    98.86.6×
  25. 25Hyderabadlow-cost sensorsSindh, Pakistan
    96.86.5×
  26. 26BhopalMadhya Pradesh, India
    96.66.4×
  27. 27DādriUttar Pradesh, India
    96.36.4×
  28. 28BhiwadiRajasthan, India
    94.76.3×
  29. 29Aya NagarDelhi, India
    94.66.3×
  30. 30NajafgarhDelhi, India
    92.36.2×
  31. 31ThānesarHaryana, India
    89.96.0×
  32. 32SaugorMadhya Pradesh, India
    88.95.9×
  33. 33NagpurMaharashtra, India
    86.55.8×
  34. 33HājīpurBihar, India
    86.55.8×
  35. 35Changchunlow-cost sensorsJilin, China
    86.25.7×
  36. 36PanchkulaHaryana, India
    84.35.6×
  37. 37RoparPunjab, India
    83.05.5×
  38. 38AngulOdisha, India
    82.55.5×
  39. 39JīndHaryana, India
    82.25.5×
  40. 40KanpurUttar Pradesh, India
    81.85.5×
  41. 41JaipurRajasthan, India
    77.65.2×
  42. 42VapiGujarat, India
    76.45.1×
  43. 43Rawalpindilow-cost sensorsPunjab, Pakistan
    76.35.1×
  44. 43BharatpurRajasthan, India
    76.35.1×
  45. 45LucknowUttar Pradesh, India
    75.35.0×
  46. 46HaldiaWest Bengal, India
    75.15.0×
  47. 47JalandharPunjab, India
    74.35.0×
  48. 48MeerutUttar Pradesh, India
    74.04.9×
  49. 49SīkarRajasthan, India
    73.94.9×
  50. 49ChittorgarhRajasthan, India
    73.94.9×
  51. 51GwaliorMadhya Pradesh, India
    73.54.9×
  52. 52Islamabadlow-cost sensorsIslamabad, Pakistan
    73.14.9×
  53. 53RānīganjWest Bengal, India
    69.94.7×
  54. 54AmravatiMaharashtra, India
    69.04.6×
  55. 55DhaulpurRajasthan, India
    68.64.6×
  56. 56KarnālHaryana, India
    68.24.5×
  57. 57Bahawalpurlow-cost sensorsPunjab, Pakistan
    66.74.4×
  58. 58BaddiHimachal Pradesh, India
    65.44.4×
  59. 59PatnaBihar, India
    65.14.3×
  60. 60BhubaneswarOdisha, India
    64.44.3×
  61. 60AnkleshwarGujarat, India
    64.44.3×
  62. 62ChandigarhChandigarh, India
    63.74.2×
  63. 63CuttackOdisha, India
    63.04.2×
  64. 64SiwānBihar, India
    62.84.2×
  65. 65TonkRajasthan, India
    62.44.2×
  66. 65SingrauliMadhya Pradesh, India
    62.44.2×
  67. 65AmaravatiAndhra Pradesh, India
    62.44.2×
  68. 68ĀsansolWest Bengal, India
    62.24.1×
  69. 69SerilingampalleTelangana, India
    62.14.1×
  70. 70Sri GanganagarRajasthan, India
    62.04.1×
  71. 71AurangabadMaharashtra, India
    61.94.1×
  72. 72AgraUttar Pradesh, India
    61.74.1×
  73. 73DūngarpurRajasthan, India
    61.54.1×
  74. 74Lilongwelow-cost sensorsCentral Region, Malawi
    61.14.1×
  75. 74Quettalow-cost sensorsBalochistan, Pakistan
    61.14.1×
  76. 76Karachilow-cost sensorsSindh, Pakistan
    60.04.0×
  77. 77CholulaPuebla, Mexico
    59.74.0×
  78. 78GandhinagarGujarat, India
    59.64.0×
  79. 79ChūruRajasthan, India
    58.93.9×
  80. 80SarajevoFederation of B&H, Bosnia and Herzegovina
    58.33.9×
  81. 81BaripādaOdisha, India
    58.13.9×
  82. 82ShrīrāmpurWest Bengal, India
    57.63.8×
  83. 83BhāgalpurBihar, India
    56.53.8×
  84. 84KotaRajasthan, India
    56.33.8×
  85. 85AhmedabadGujarat, India
    56.23.7×
  86. 86SāngliMaharashtra, India
    55.43.7×
  87. 86BikanerRajasthan, India
    55.43.7×
  88. 88JalorRajasthan, India
    54.83.7×
  89. 89BūndiRajasthan, India
    54.53.6×
  90. 90BegusaraiBihar, India
    54.33.6×
  91. 91Portolow-cost sensorsPorto, Portugal
    54.23.6×
  92. 92PrayagrajUttar Pradesh, India
    53.83.6×
  93. 93JhunjhunūnRajasthan, India
    53.73.6×
  94. 93BettiahBihar, India
    53.73.6×
  95. 93ShenyangLiaoning, China
    53.73.6×
  96. 96Kampalalow-cost sensorsCentral Region, Uganda
    53.43.6×
  97. 97NashikMaharashtra, India
    52.23.5×
  98. 98AmbālaHaryana, India
    51.23.4×
  99. 99ParbhaniMaharashtra, India
    50.93.4×
  100. 100PratāpgarhRajasthan, India
    50.03.3×
  101. 101NandedMaharashtra, India
    49.93.3×
  102. 102NāgaurRajasthan, India
    49.83.3×
  103. 103AkolaMaharashtra, India
    48.93.3×
  104. 104PuneMaharashtra, India
    48.83.3×
  105. 104MorādābādUttar Pradesh, India
    48.83.3×
  106. 104IndoreMadhya Pradesh, India
    48.83.3×
  107. 107BhilwaraRajasthan, India
    48.73.2×
  108. 108Pimpri-ChinchwadMaharashtra, India
    48.63.2×
  109. 109JodhpurRajasthan, India
    48.53.2×
  110. 110Wadgaon KolhatiMaharashtra, India
    48.33.2×
  111. 111NandriRajasthan, India
    48.03.2×
  112. 112GayaBihar, India
    47.73.2×
  113. 113DhuleMaharashtra, India
    47.13.1×
  114. 114JalgaonMaharashtra, India
    47.03.1×
  115. 115KolhāpurMaharashtra, India
    46.03.1×
  116. 116CoimbatoreTamil Nadu, India
    45.13.0×
  117. 117AnantapurAndhra Pradesh, India
    44.73.0×
  118. 118JakartaJakarta, Indonesia
    44.53.0×
  119. 119Hararelow-cost sensorsHarare, Zimbabwe
    43.72.9×
  120. 120RājsamandRajasthan, India
    43.62.9×
  121. 121DurgapurWest Bengal, India
    43.42.9×
  122. 122San Salvador TizatlalliMéxico, Mexico
    43.12.9×
  123. 123SrinagarJammu and Kashmir, India
    42.72.8×
  124. 124BārānRajasthan, India
    42.32.8×
  125. 124ByasanagarOdisha, India
    42.32.8×
  126. 126RourkelaOdisha, India
    42.12.8×
  127. 127AjmerRajasthan, India
    41.32.8×
  128. 128MahādMaharashtra, India
    41.02.7×
  129. 128XonacatlánMéxico, Mexico
    41.02.7×
  130. 130JabalpurMadhya Pradesh, India
    40.72.7×
  131. 131MumbaiMaharashtra, India
    40.62.7×
  132. 132DurgChhattisgarh, India
    40.12.7×
  133. 132Tularelow-cost sensorsCalifornia, United States
    40.12.7×
  134. 134Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    39.92.7×
  135. 135BhayandarMaharashtra, India
    39.32.6×
  136. 136YadgirKarnataka, India
    39.12.6×
  137. 137BānswāraRajasthan, India
    38.42.6×
  138. 138RājgīrBihar, India
    38.02.5×
  139. 139KarauliRajasthan, India
    37.92.5×
  140. 139BuxarBihar, India
    37.92.5×
  141. 141PatiālaPunjab, India
    37.82.5×
  142. 141HyderabadTelangana, India
    37.82.5×
  143. 143KigaliKigali, Rwanda
    37.52.5×
  144. 144SirohiRajasthan, India
    37.42.5×
  145. 145JodaOdisha, India
    37.32.5×
  146. 146JaisalmerRajasthan, India
    36.92.5×
  147. 146BārmerRajasthan, India
    36.92.5×
  148. 148LaturMaharashtra, India
    36.42.4×
  149. 148KadapaAndhra Pradesh, India
    36.42.4×
  150. 150VirārMaharashtra, India
    36.22.4×
  151. 151TirupatiAndhra Pradesh, India
    36.02.4×
  152. 152Almatylow-cost sensorsAlmaty, Kazakhstan
    35.82.4×
  153. 153BengaluruKarnataka, India
    35.52.4×
  154. 153TravnikFederation of B&H, Bosnia and Herzegovina
    35.52.4×
  155. 155ChāndaMaharashtra, India
    35.42.4×
  156. 156SholapurMaharashtra, India
    34.92.3×
  157. 157BhilaiChhattisgarh, India
    34.72.3×
  158. 158SuratGujarat, India
    34.62.3×
  159. 159Zagreblow-cost sensorsZagreb, Croatia
    34.22.3×
  160. 160ThāneMaharashtra, India
    33.82.3×
  161. 161ArāriaBihar, India
    33.22.2×
  162. 162NagaonAssam, India
    33.12.2×
  163. 163DausaRajasthan, India
    32.72.2×
  164. 164BakersfieldCalifornia, United States
    32.62.2×
  165. 165NalbāriAssam, India
    31.82.1×
  166. 166San Francisco TlalcilalcalpanMéxico, Mexico
    31.72.1×
  167. 167TuxtlaChiapas, Mexico
    31.02.1×
  168. 168JhālāwārRajasthan, India
    30.82.1×
  169. 169Vereeniginglow-cost sensorsGauteng, South Africa
    30.42.0×
  170. 169PueblaPuebla, Mexico
    30.42.0×
  171. 171Lagoslow-cost sensorsLagos, Nigeria
    30.12.0×
  172. 172Sawai MadhopurRajasthan, India
    30.02.0×
  173. 173TetovoTetovo, North Macedonia
    29.72.0×
  174. 173NaharlagunArunachal Pradesh, India
    29.72.0×
  175. 175SilcharAssam, India
    29.62.0×
  176. 176QuthbullapurTelangana, India
    29.52.0×
  177. 177ChāpraBihar, India
    29.11.9×
  178. 178Bijelo PoljeBijelo Polje, Montenegro
    28.71.9×
  179. 179Sukutalow-cost sensorsWestern, Gambia
    28.51.9×
  180. 180VijayawadaAndhra Pradesh, India
    28.01.9×
  181. 181KalyānMaharashtra, India
    26.81.8×
  182. 182Quezon Citylow-cost sensorsNational Capital Region, Philippines
    26.71.8×
  183. 182Wan ChaiWan Chai, Hong Kong
    26.71.8×
  184. 184Naucalpan de JuárezMéxico, Mexico
    26.61.8×
  185. 185BoisarMaharashtra, India
    26.01.7×
  186. 186TambaramTamil Nadu, India
    25.81.7×
  187. 187RishīkeshUttarakhand, India
    25.41.7×
  188. 188Winterthurlow-cost sensorsZurich, Switzerland
    25.31.7×
  189. 188Mexico CityMexico City, Mexico
    25.31.7×
  190. 190Kathmandulow-cost sensorsBagmati Province, Nepal
    25.11.7×
  191. 190Santa Anita - Los FicusLima region, Peru
    25.11.7×
  192. 192Botevgradlow-cost sensorsSofia, Bulgaria
    24.81.7×
  193. 193Silao de la VictoriaGuanajuato, Mexico
    24.51.6×
  194. 194RaipurChhattisgarh, India
    24.31.6×
  195. 194PljevljaPljevlja, Montenegro
    24.31.6×
  196. 196BadlapurMaharashtra, India
    24.11.6×
  197. 197Dubailow-cost sensorsDubai, United Arab Emirates
    23.91.6×
  198. 198MiskolcBorsod-Abaúj-Zemplén, Hungary
    23.81.6×
  199. 199Istanbullow-cost sensorsIstanbul, Turkey
    23.51.6×
  200. 199GarcíaNuevo León, Mexico
    23.51.6×

Top 200 of 1,825 shown.

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