SmogRank / History / August 22, 2025

Most polluted cities on August 22, 2025

2,514 cities ranked by their average PM2.5 over the day; the worst was Nagapattinam, India, at 226.0 µg/m³. Each city's own local calendar day.

← Nagapattinam 226.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for August 22, 2025, 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. 1NagapattinamTamil Nadu, India
    30215.1×
  2. 2Beitbridgelow-cost sensorsMatabeleland South Province, Zimbabwe
    1877.1×
  3. 3LogroñoLa Rioja, Spain
    1846.8×
  4. 4KigaliKigali, Rwanda
    1705.5×
  5. 5UnderaGujarat, India
    1695.4×
  6. 6Faisalabadlow-cost sensorsPunjab, Pakistan
    1645.0×
  7. 7Gujranwalalow-cost sensorsPunjab, Pakistan
    1624.7×
  8. 8Multanlow-cost sensorsPunjab, Pakistan
    1614.6×
  9. 9Lahorelow-cost sensorsPunjab, Pakistan
    1564.2×
  10. 10PatancheruTelangana, India
    1564.2×
  11. 11Sialkotlow-cost sensorsPunjab, Pakistan
    1554.1×
  12. 12GummidipundiTamil Nadu, India
    1543.9×
  13. 13Sri GanganagarRajasthan, India
    1523.8×
  14. 14Bahawalpurlow-cost sensorsPunjab, Pakistan
    1523.8×
  15. 15NoidaUttar Pradesh, India
    1413.4×
  16. 16GobindgarhPunjab, India
    1393.4×
  17. 17GhāziābādUttar Pradesh, India
    1383.4×
  18. 18BawānaDelhi, India
    1363.3×
  19. 19CuddaloreTamil Nadu, India
    1353.3×
  20. 20NarelaDelhi, India
    1313.2×
  21. 21OsornoLos Lagos Region, Chile
    1303.2×
  22. 22SamāstipurBihar, India
    1303.1×
  23. 23Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1293.1×
  24. 24ArāriaBihar, India
    1273.1×
  25. 25DelhiDelhi, India
    1263.0×
  26. 26Puerto VarasLos Lagos Region, Chile
    1243.0×
  27. 27DushanbeDushanbe, Tajikistan
    1212.9×
  28. 27DādriUttar Pradesh, India
    1212.9×
  29. 29TiruppurTamil Nadu, India
    1202.9×
  30. 30RānipetTamil Nadu, India
    1182.8×
  31. 31VijayawadaAndhra Pradesh, India
    1182.8×
  32. 32CoyhaiqueAysén, Chile
    1172.8×
  33. 33BhiwadiRajasthan, India
    1152.7×
  34. 34SerilingampalleTelangana, India
    1152.7×
  35. 35RoparPunjab, India
    1142.7×
  36. 36NacimientoBiobio, Chile
    1142.7×
  37. 37MothīhāriBihar, India
    1122.7×
  38. 38Puerto MonttLos Lagos Region, Chile
    1112.6×
  39. 39La UniónLos Ríos Region, Chile
    1112.6×
  40. 40RasapūdipalemAndhra Pradesh, India
    1062.5×
  41. 41MuzaffarnagarUttar Pradesh, India
    1062.5×
  42. 42AurangābādBihar, India
    1052.5×
  43. 43Greater NoidaUttar Pradesh, India
    1042.5×
  44. 44JakartaJakarta, Indonesia
    1012.4×
  45. 45AmritsarPunjab, India
    1002.3×
  46. 46AjmerRajasthan, India
    982.3×
  47. 47VelloreTamil Nadu, India
    972.3×
  48. 48CoronelBiobio, Chile
    962.2×
  49. 49MangaluruKarnataka, India
    962.2×
  50. 50LorcaMurcia, Spain
    952.2×
  51. 50Puerto AysénAysén, Chile
    952.2×
  52. 52Rawalpindilow-cost sensorsPunjab, Pakistan
    952.2×
  53. 53PonferradaCastille and León, Spain
    932.1×
  54. 54Karachilow-cost sensorsSindh, Pakistan
    932.1×
  55. 54Ashaimanlow-cost sensorsGreater Accra, Ghana
    932.1×
  56. 54ManzanaresCastille-La Mancha, Spain
    932.1×
  57. 57NajafgarhDelhi, India
    932.1×
  58. 58JaénAndalusia, Spain
    932.1×
  59. 59QuthbullapurTelangana, India
    922.1×
  60. 60LudhianaPunjab, India
    922.1×
  61. 61BaddiHimachal Pradesh, India
    922.1×
  62. 61AlangadKerala, India
    922.1×
  63. 63TirupatiAndhra Pradesh, India
    912.0×
  64. 63KalaburagiKarnataka, India
    912.0×
  65. 65OurenseGalicia, Spain
    912.0×
  66. 66ThrissurKerala, India
    902.0×
  67. 67MorādābādUttar Pradesh, India
    902.0×
  68. 68HāpurUttar Pradesh, India
    902.0×
  69. 69ChāpraBihar, India
    892.0×
  70. 70PāliRajasthan, India
    892.0×
  71. 70HualpénBiobio, Chile
    892.0×
  72. 72Molina de SeguraMurcia, Spain
    881.9×
  73. 73Istanbullow-cost sensorsIstanbul, Turkey
    881.9×
  74. 74San Francisco TlalcilalcalpanMéxico, Mexico
    881.9×
  75. 75GūduvāncheriTamil Nadu, India
    871.9×
  76. 75VillarricaAraucania, Chile
    871.9×
  77. 77BathindaPunjab, India
    871.9×
  78. 78KannurKerala, India
    861.9×
  79. 78BailénAndalusia, Spain
    861.9×
  80. 80Hararelow-cost sensorsHarare, Zimbabwe
    861.9×
  81. 81SatnaMadhya Pradesh, India
    861.9×
  82. 82AlcantarillaMurcia, Spain
    861.9×
  83. 83SrinagarJammu and Kashmir, India
    851.8×
  84. 83JaipurRajasthan, India
    851.8×
  85. 83ChandigarhChandigarh, India
    851.8×
  86. 86Dera MāndiDelhi, India
    851.8×
  87. 87GranadaAndalusia, Spain
    851.8×
  88. 88Quettalow-cost sensorsBalochistan, Pakistan
    851.8×
  89. 89HājīpurBihar, India
    841.8×
  90. 89Lagoslow-cost sensorsLagos, Nigeria
    841.8×
  91. 91ValdiviaLos Ríos Region, Chile
    841.8×
  92. 92UlsanUlsan, South Korea
    841.8×
  93. 93BhiwandiMaharashtra, India
    831.8×
  94. 93UliyazhathuraKerala, India
    831.8×
  95. 95PatnaBihar, India
    831.8×
  96. 96SalemTamil Nadu, India
    831.7×
  97. 97VrindāvanUttar Pradesh, India
    821.7×
  98. 98HyderabadTelangana, India
    821.7×
  99. 99CaravacaMurcia, Spain
    821.7×
  100. 100Islamabadlow-cost sensorsIslamabad, Pakistan
    821.7×
  101. 100KanchipuramTamil Nadu, India
    821.7×
  102. 102OotyTamil Nadu, India
    811.7×
  103. 102EisenGyeongsangbuk-do, South Korea
    811.7×
  104. 104BulandshahrUttar Pradesh, India
    811.7×
  105. 104MurciaMurcia, Spain
    811.7×
  106. 106CholulaPuebla, Mexico
    811.7×
  107. 107JalandharPunjab, India
    801.6×
  108. 108KatiharBihar, India
    801.6×
  109. 109Barrio de PeralMurcia, Spain
    801.6×
  110. 109TalcahuanoBiobio, Chile
    801.6×
  111. 109CuranilahueBiobio, Chile
    801.6×
  112. 112LucknowUttar Pradesh, India
    801.6×
  113. 112Duque de CaxiasRio de Janeiro, Brazil
    801.6×
  114. 114CoimbatoreTamil Nadu, India
    791.6×
  115. 115ChennaiTamil Nadu, India
    791.6×
  116. 116Temalow-cost sensorsGreater Accra, Ghana
    791.6×
  117. 117KanpurUttar Pradesh, India
    791.6×
  118. 117BegusaraiBihar, India
    791.6×
  119. 117HualquiBiobio, Chile
    791.6×
  120. 120Dubailow-cost sensorsDubai, United Arab Emirates
    791.6×
  121. 120BendOregon, United States
    791.6×
  122. 120VapiGujarat, India
    791.6×
  123. 123PohangGyeongsangbuk-do, South Korea
    781.6×
  124. 123TemucoAraucania, Chile
    781.6×
  125. 123Dera Colliery TownshipOdisha, India
    781.6×
  126. 126ŌtsukiYamanashi, Japan
    781.6×
  127. 127HachiōjiTokyo, Japan
    781.6×
  128. 128YeonilGyeongsangbuk-do, South Korea
    781.6×
  129. 128Wadgaon KolhatiMaharashtra, India
    781.6×
  130. 130SilcharAssam, India
    781.6×
  131. 131MeerutUttar Pradesh, India
    771.6×
  132. 132RourkelaOdisha, India
    771.5×
  133. 132AiharaKanagawa, Japan
    771.5×
  134. 134Medina Estateslow-cost sensorsGreater Accra, Ghana
    771.5×
  135. 134Los ÁngelesBiobio, Chile
    771.5×
  136. 136JumillaMurcia, Spain
    771.5×
  137. 137ChigasakiKanagawa, Japan
    761.5×
  138. 137XonacatlánMéxico, Mexico
    761.5×
  139. 139Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    761.5×
  140. 139AkishimaTokyo, Japan
    761.5×
  141. 141MinamirinkanKanagawa, Japan
    761.5×
  142. 141MinawaKanagawa, Japan
    761.5×
  143. 143ChristchurchCanterbury, New Zealand
    761.5×
  144. 143CuricóMaule Region, Chile
    761.5×
  145. 145MalegaonMaharashtra, India
    751.5×
  146. 145VijayapuraKarnataka, India
    751.5×
  147. 147TonkRajasthan, India
    751.5×
  148. 147OdawaraKanagawa, Japan
    751.5×
  149. 149Accralow-cost sensorsGreater Accra, Ghana
    751.5×
  150. 150CartagenaMurcia, Spain
    751.5×
  151. 151YangsanGyeongsangnam-do, South Korea
    751.5×
  152. 151KodairaTokyo, Japan
    751.5×
  153. 153AurangabadMaharashtra, India
    741.4×
  154. 154TorreviejaValencia, Spain
    741.4×
  155. 154HigashikurumeTokyo, Japan
    741.4×
  156. 156Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    741.4×
  157. 156BusanBusan, South Korea
    741.4×
  158. 156HayangGyeongsangbuk-do, South Korea
    741.4×
  159. 156AyaseKanagawa, Japan
    741.4×
  160. 160AgraUttar Pradesh, India
    741.4×
  161. 160PithampurMadhya Pradesh, India
    741.4×
  162. 162TiruchirappalliTamil Nadu, India
    741.4×
  163. 162TokyoTokyo, Japan
    741.4×
  164. 162ŌmeTokyo, Japan
    741.4×
  165. 165HadanoKanagawa, Japan
    741.4×
  166. 166WŏnjuGangwon-do, South Korea
    731.4×
  167. 166AcariRio de Janeiro, Brazil
    731.4×
  168. 166CopiapóAtacama, Chile
    731.4×
  169. 166ChillánÑuble, Chile
    731.4×
  170. 170ŻabbarĦaż-Żabbar, Malta
    731.4×
  171. 170ToméBiobio, Chile
    731.4×
  172. 172UngsangGyeongsangnam-do, South Korea
    731.4×
  173. 172CauquenesMaule Region, Chile
    731.4×
  174. 172HigashimurayamaTokyo, Japan
    731.4×
  175. 175HanumāngarhRajasthan, India
    731.4×
  176. 175GyeongjuGyeongsangbuk-do, South Korea
    731.4×
  177. 175NiizaSaitama, Japan
    731.4×
  178. 178KisarazuChiba, Japan
    721.4×
  179. 179TokorozawaSaitama, Japan
    721.4×
  180. 179KawagoeSaitama, Japan
    721.4×
  181. 179Aya NagarDelhi, India
    721.4×
  182. 182AzaminoKanagawa, Japan
    721.4×
  183. 182FuchūTokyo, Japan
    721.4×
  184. 184Rio de JaneiroRio de Janeiro, Brazil
    721.3×
  185. 185KhannaPunjab, India
    711.3×
  186. 185MachidaTokyo, Japan
    711.3×
  187. 185ConcónValparaiso, Chile
    711.3×
  188. 188MaiharMadhya Pradesh, India
    711.3×
  189. 188UrayasuChiba, Japan
    711.3×
  190. 188TocopillaAntofagasta, Chile
    711.3×
  191. 188IrumaSaitama, Japan
    711.3×
  192. 192BengaluruKarnataka, India
    711.3×
  193. 192KawaguchiSaitama, Japan
    711.3×
  194. 192Donghae CityGangwon-do, South Korea
    711.3×
  195. 192ConcepciónBiobio, Chile
    711.3×
  196. 192AntofagastaAntofagasta, Chile
    711.3×
  197. 197ShrīrāmpurWest Bengal, India
    711.3×
  198. 197YokohamaKanagawa, Japan
    711.3×
  199. 197FujiyoshidaYamanashi, Japan
    711.3×
  200. 200GudalurTamil Nadu, India
    711.3×

Top 200 of 2,514 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

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SmogRank, most polluted cities, PM2.5, August 22, 2025, smogrank.com/history/2025-08-22 (accessed 2 Oct 2026).

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