SmogRank / History / August 19, 2025

Most polluted cities on August 19, 2025

2,584 cities ranked by their average PM2.5 over the day; the worst was Nagapattinam, India, at 174.0 µg/m³. Each city's own local calendar day.

← Nagapattinam 174.0 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for August 19, 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
    24911.6×
  2. 2SaltilloCoahuila, Mexico
    2018.4×
  3. 3KalyānMaharashtra, India
    1836.7×
  4. 4BurgosCastille and León, Spain
    1786.2×
  5. 5JhānsiUttar Pradesh, India
    1735.8×
  6. 6Faisalabadlow-cost sensorsPunjab, Pakistan
    1665.1×
  7. 7SingrauliMadhya Pradesh, India
    1644.9×
  8. 8Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1624.8×
  9. 9CuddaloreTamil Nadu, India
    1624.7×
  10. 10MóstolesMadrid, Spain
    1614.6×
  11. 11ManzanaresCastille-La Mancha, Spain
    1614.6×
  12. 12ValdemoroMadrid, Spain
    1594.5×
  13. 13GummidipundiTamil Nadu, India
    1584.3×
  14. 14LeónCastille and León, Spain
    1574.3×
  15. 15ArāriaBihar, India
    1564.2×
  16. 16FuenlabradaMadrid, Spain
    1554.1×
  17. 17DushanbeDushanbe, Tajikistan
    1554.0×
  18. 18CauquenesMaule Region, Chile
    1493.7×
  19. 19KigaliKigali, Rwanda
    1473.6×
  20. 20RamanathapuramTamil Nadu, India
    1413.5×
  21. 21Bihār SharīfBihar, India
    1413.4×
  22. 22Bahawalpurlow-cost sensorsPunjab, Pakistan
    1373.3×
  23. 23Multanlow-cost sensorsPunjab, Pakistan
    1363.3×
  24. 24Collado-VillalbaMadrid, Spain
    1353.3×
  25. 25TalcaMaule Region, Chile
    1353.3×
  26. 26SamāstipurBihar, India
    1323.2×
  27. 27Gujranwalalow-cost sensorsPunjab, Pakistan
    1313.2×
  28. 27JakartaJakarta, Indonesia
    1313.2×
  29. 29CoyhaiqueAysén, Chile
    1313.2×
  30. 30MadridMadrid, Spain
    1303.2×
  31. 31GobindgarhPunjab, India
    1293.1×
  32. 32CuricóMaule Region, Chile
    1263.1×
  33. 33NacimientoBiobio, Chile
    1253.0×
  34. 34LinaresMaule Region, Chile
    1243.0×
  35. 35CosladaMadrid, Spain
    1222.9×
  36. 36Torrejón de ArdozMadrid, Spain
    1212.9×
  37. 37Istanbullow-cost sensorsIstanbul, Turkey
    1192.9×
  38. 38BathindaPunjab, India
    1192.9×
  39. 39RengoO'Higgins Region, Chile
    1182.8×
  40. 40Lahorelow-cost sensorsPunjab, Pakistan
    1162.8×
  41. 41PonferradaCastille and León, Spain
    1142.7×
  42. 42CuranilahueBiobio, Chile
    1132.7×
  43. 43MothīhāriBihar, India
    1122.7×
  44. 44AlgeteMadrid, Spain
    1112.6×
  45. 45PāliRajasthan, India
    1112.6×
  46. 46Lagoslow-cost sensorsLagos, Nigeria
    1092.6×
  47. 47VijayawadaAndhra Pradesh, India
    1082.6×
  48. 47UdaipurRajasthan, India
    1082.6×
  49. 49BuxarBihar, India
    1072.5×
  50. 50Greater NoidaUttar Pradesh, India
    1072.5×
  51. 51BhiwadiRajasthan, India
    1072.5×
  52. 52Sri GanganagarRajasthan, India
    1062.5×
  53. 53OsornoLos Lagos Region, Chile
    1052.5×
  54. 54BawānaDelhi, India
    1052.5×
  55. 55ChittoorAndhra Pradesh, India
    1042.5×
  56. 56LimaLima Province, Peru
    1032.4×
  57. 57Karachilow-cost sensorsSindh, Pakistan
    1012.4×
  58. 58GūduvāncheriTamil Nadu, India
    1012.4×
  59. 59TiruchirappalliTamil Nadu, India
    1002.4×
  60. 60ChillánÑuble, Chile
    992.3×
  61. 61Medina del CampoCastille and León, Spain
    992.3×
  62. 62LudhianaPunjab, India
    992.3×
  63. 63Rawalpindilow-cost sensorsPunjab, Pakistan
    982.3×
  64. 64Sialkotlow-cost sensorsPunjab, Pakistan
    982.3×
  65. 65NagaonAssam, India
    972.2×
  66. 66AmritsarPunjab, India
    962.2×
  67. 67Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    952.2×
  68. 67Santa LucíaCanary Islands, Spain
    952.2×
  69. 69San CarlosÑuble, Chile
    952.2×
  70. 70TonkRajasthan, India
    952.2×
  71. 71Puerto VarasLos Lagos Region, Chile
    942.2×
  72. 72NarelaDelhi, India
    942.1×
  73. 73SalamancaCastille and León, Spain
    932.1×
  74. 74MalegaonMaharashtra, India
    932.1×
  75. 75CoronelBiobio, Chile
    922.1×
  76. 76Los ÁngelesBiobio, Chile
    922.1×
  77. 77Puente AltoSantiago Metropolitan, Chile
    922.1×
  78. 78DādriUttar Pradesh, India
    922.1×
  79. 78NakatsuOita, Japan
    922.1×
  80. 78PithampurMadhya Pradesh, India
    922.1×
  81. 81HualquiBiobio, Chile
    912.1×
  82. 82DelhiDelhi, India
    912.0×
  83. 83MangaluruKarnataka, India
    912.0×
  84. 84TirupparangunramTamil Nadu, India
    912.0×
  85. 85RancaguaO'Higgins Region, Chile
    902.0×
  86. 86NalbāriAssam, India
    902.0×
  87. 86MuzaffarnagarUttar Pradesh, India
    902.0×
  88. 86San Francisco TlalcilalcalpanMéxico, Mexico
    902.0×
  89. 89AlangadKerala, India
    892.0×
  90. 90SangāreddiTelangana, India
    892.0×
  91. 91PatancheruTelangana, India
    881.9×
  92. 92TirupatiAndhra Pradesh, India
    881.9×
  93. 92KannurKerala, India
    881.9×
  94. 92CórdobaAndalusia, Spain
    881.9×
  95. 95Changchunlow-cost sensorsJilin, China
    881.9×
  96. 96Puerto MonttLos Lagos Region, Chile
    871.9×
  97. 97VillarricaAraucania, Chile
    871.9×
  98. 98SaugorMadhya Pradesh, India
    871.9×
  99. 99BailénAndalusia, Spain
    861.9×
  100. 99TalaganteSantiago Metropolitan, Chile
    861.9×
  101. 101SatnaMadhya Pradesh, India
    861.9×
  102. 101LoniUttar Pradesh, India
    861.9×
  103. 103JalandharPunjab, India
    851.8×
  104. 104RānipetTamil Nadu, India
    851.8×
  105. 104ChūruRajasthan, India
    851.8×
  106. 106JhunjhunūnRajasthan, India
    851.8×
  107. 107Quezon Citylow-cost sensorsNational Capital Region, Philippines
    851.8×
  108. 107La UniónLos Ríos Region, Chile
    851.8×
  109. 109BegusaraiBihar, India
    851.8×
  110. 110NoidaUttar Pradesh, India
    841.8×
  111. 111TemucoAraucania, Chile
    841.8×
  112. 112Addis AbabaAddis Ababa, Ethiopia
    831.8×
  113. 113Ashaimanlow-cost sensorsGreater Accra, Ghana
    831.7×
  114. 114KitakyushuFukuoka, Japan
    821.7×
  115. 115YamanashiYamanashi, Japan
    821.7×
  116. 116SantiagoSantiago Metropolitan, Chile
    821.7×
  117. 116BuzenFukuoka, Japan
    821.7×
  118. 118BikanerRajasthan, India
    811.7×
  119. 119LucknowUttar Pradesh, India
    811.7×
  120. 120Dubailow-cost sensorsDubai, United Arab Emirates
    811.7×
  121. 120MuzaffarpurBihar, India
    811.7×
  122. 122TalcahuanoBiobio, Chile
    801.7×
  123. 123MorādābādUttar Pradesh, India
    801.7×
  124. 124RājsamandRajasthan, India
    801.6×
  125. 124HyderabadTelangana, India
    801.6×
  126. 124AhmedabadGujarat, India
    801.6×
  127. 127ThrissurKerala, India
    801.6×
  128. 127BadlapurMaharashtra, India
    801.6×
  129. 129XonacatlánMéxico, Mexico
    801.6×
  130. 130KishanganjBihar, India
    791.6×
  131. 130LorcaMurcia, Spain
    791.6×
  132. 132NakamaFukuoka, Japan
    791.6×
  133. 132HitaOita, Japan
    791.6×
  134. 134RoparPunjab, India
    791.6×
  135. 134Tanushimarumachi-toyokiFukuoka, Japan
    791.6×
  136. 134TorreviejaValencia, Spain
    791.6×
  137. 134CholulaPuebla, Mexico
    791.6×
  138. 138JaénAndalusia, Spain
    791.6×
  139. 138ChiguayanteBiobio, Chile
    791.6×
  140. 138WakasugiFukuoka, Japan
    791.6×
  141. 141ConcepciónBiobio, Chile
    781.6×
  142. 142AjmerRajasthan, India
    781.6×
  143. 142San Salvador TizatlalliMéxico, Mexico
    781.6×
  144. 144NajafgarhDelhi, India
    781.6×
  145. 144AsoKumamoto, Japan
    781.6×
  146. 146ValdiviaLos Ríos Region, Chile
    781.6×
  147. 147TuxtlaChiapas, Mexico
    771.6×
  148. 148Islamabadlow-cost sensorsIslamabad, Pakistan
    771.5×
  149. 148ŌitaOita, Japan
    771.5×
  150. 148GōtsuchōShimane, Japan
    771.5×
  151. 148ItoshimaFukuoka, Japan
    771.5×
  152. 152RasapūdipalemAndhra Pradesh, India
    771.5×
  153. 153TagawaFukuoka, Japan
    771.5×
  154. 153IizukaFukuoka, Japan
    771.5×
  155. 153Aranda de DueroCastille and León, Spain
    771.5×
  156. 156Tottori-shiTottori, Japan
    761.5×
  157. 156FukuokaFukuoka, Japan
    761.5×
  158. 158ŌtsukiYamanashi, Japan
    761.5×
  159. 159UlsanUlsan, South Korea
    761.5×
  160. 159MineYamaguchi, Japan
    761.5×
  161. 161MunakataFukuoka, Japan
    761.5×
  162. 162VijayapuraKarnataka, India
    761.5×
  163. 162NōgataFukuoka, Japan
    761.5×
  164. 162ConcónValparaiso, Chile
    761.5×
  165. 165CallaoCallao, Peru
    751.5×
  166. 166VirārMaharashtra, India
    751.5×
  167. 166MandideepMadhya Pradesh, India
    751.5×
  168. 168JaipurRajasthan, India
    751.5×
  169. 168EisenGyeongsangbuk-do, South Korea
    751.5×
  170. 168UtoKumamoto, Japan
    751.5×
  171. 168Maebaru-chūōFukuoka, Japan
    751.5×
  172. 168HamadaShimane, Japan
    751.5×
  173. 173MeerutUttar Pradesh, India
    751.5×
  174. 173BhopalMadhya Pradesh, India
    751.5×
  175. 173KogaFukuoka, Japan
    751.5×
  176. 173IzumoShimane, Japan
    751.5×
  177. 177SilcharAssam, India
    741.4×
  178. 177MasudaShimane, Japan
    741.4×
  179. 177AlcantarillaMurcia, Spain
    741.4×
  180. 177Mollet del VallèsCatalonia, Spain
    741.4×
  181. 177San Francisco De BorjaLima region, Peru
    741.4×
  182. 182VrindāvanUttar Pradesh, India
    741.4×
  183. 182HayangGyeongsangbuk-do, South Korea
    741.4×
  184. 182UkihaFukuoka, Japan
    741.4×
  185. 182Dera Colliery TownshipOdisha, India
    741.4×
  186. 186KogaFukuoka, Japan
    741.4×
  187. 187Quettalow-cost sensorsBalochistan, Pakistan
    741.4×
  188. 187SrinagarJammu and Kashmir, India
    741.4×
  189. 187Ōdachō-ōdaShimane, Japan
    741.4×
  190. 187QuilpuéValparaiso, Chile
    741.4×
  191. 191MaiharMadhya Pradesh, India
    741.4×
  192. 191AraoKumamoto, Japan
    741.4×
  193. 193HonmachiKumamoto, Japan
    741.4×
  194. 194KandaFukuoka, Japan
    731.4×
  195. 195NagatoYamaguchi, Japan
    731.4×
  196. 196RourkelaOdisha, India
    731.4×
  197. 196HāpurUttar Pradesh, India
    731.4×
  198. 196ManlleuCatalonia, Spain
    731.4×
  199. 199GandhinagarGujarat, India
    731.4×
  200. 199Wan ChaiWan Chai, Hong Kong
    731.4×

Top 200 of 2,584 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 19, 2025, smogrank.com/history/2025-08-19 (accessed 2 Oct 2026).

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