SmogRank / History / April 19, 2025

Most polluted cities on April 19, 2025

2,656 cities ranked by their average PM2.5 over the day; the worst was Siwān, India, at 151.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during April 19, 2025. All episodes.

← Siwān 151.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for April 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. 1SiwānBihar, India
    22610.1×
  2. 2SingrauliMadhya Pradesh, India
    1725.7×
  3. 3NagapattinamTamil Nadu, India
    1645.0×
  4. 4RamanathapuramTamil Nadu, India
    1634.9×
  5. 5CoyhaiqueAysén, Chile
    1594.5×
  6. 6ChūruRajasthan, India
    1574.3×
  7. 7BhiwadiRajasthan, India
    1574.3×
  8. 8AngulOdisha, India
    1564.2×
  9. 9LudhianaPunjab, India
    1554.1×
  10. 10GwaliorMadhya Pradesh, India
    1543.9×
  11. 11AhmedabadGujarat, India
    1533.9×
  12. 12NacimientoBiobio, Chile
    1523.8×
  13. 13ChihuahuaChihuahua, Mexico
    1523.8×
  14. 14BawānaDelhi, India
    1523.8×
  15. 15JodaOdisha, India
    1513.7×
  16. 16HobbsNew Mexico, United States
    1513.7×
  17. 17JaipurRajasthan, India
    1513.7×
  18. 18GandhinagarGujarat, India
    1513.7×
  19. 19GuwahatiAssam, India
    1503.7×
  20. 20PāliRajasthan, India
    1483.6×
  21. 21DausaRajasthan, India
    1483.6×
  22. 22AlwarRajasthan, India
    1483.6×
  23. 23HualpénBiobio, Chile
    1473.6×
  24. 23PithampurMadhya Pradesh, India
    1473.6×
  25. 25AjmerRajasthan, India
    1453.6×
  26. 26OotyTamil Nadu, India
    1443.5×
  27. 27NarelaDelhi, India
    1423.5×
  28. 27HājīpurBihar, India
    1423.5×
  29. 27Dera MāndiDelhi, India
    1423.5×
  30. 30Ubon RatchathaniUbon Ratchathani, Thailand
    1413.5×
  31. 31ThāneMaharashtra, India
    1403.4×
  32. 32DamohMadhya Pradesh, India
    1403.4×
  33. 33Sri GanganagarRajasthan, India
    1403.4×
  34. 34RourkelaOdisha, India
    1393.4×
  35. 35SasarāmBihar, India
    1383.4×
  36. 36UdaipurRajasthan, India
    1363.3×
  37. 37Sawai MadhopurRajasthan, India
    1353.3×
  38. 38BathindaPunjab, India
    1343.3×
  39. 39DelhiDelhi, India
    1343.3×
  40. 40GhāziābādUttar Pradesh, India
    1323.2×
  41. 40CuranilahueBiobio, Chile
    1323.2×
  42. 42JhānsiUttar Pradesh, India
    1323.2×
  43. 42Aya NagarDelhi, India
    1323.2×
  44. 44Gadag-BetageriKarnataka, India
    1313.2×
  45. 45JhunjhunūnRajasthan, India
    1313.2×
  46. 46LoniUttar Pradesh, India
    1303.2×
  47. 47Islamabadlow-cost sensorsIslamabad, Pakistan
    1293.1×
  48. 48TirumalaAndhra Pradesh, India
    1283.1×
  49. 49VijayawadaAndhra Pradesh, India
    1273.1×
  50. 50NajafgarhDelhi, India
    1273.1×
  51. 51BhāgalpurBihar, India
    1263.1×
  52. 52AnantapurAndhra Pradesh, India
    1263.0×
  53. 53MandideepMadhya Pradesh, India
    1243.0×
  54. 54NagpurMaharashtra, India
    1233.0×
  55. 55CuernavacaMorelos, Mexico
    1233.0×
  56. 56KarurTamil Nadu, India
    1222.9×
  57. 56ChāndaMaharashtra, India
    1222.9×
  58. 58Istanbullow-cost sensorsIstanbul, Turkey
    1212.9×
  59. 58JaisalmerRajasthan, India
    1212.9×
  60. 58DewasMadhya Pradesh, India
    1212.9×
  61. 61AgraUttar Pradesh, India
    1202.9×
  62. 62SholapurMaharashtra, India
    1202.9×
  63. 63PatnaBihar, India
    1192.9×
  64. 64GorakhpurUttar Pradesh, India
    1192.9×
  65. 65NeelankaraiTamil Nadu, India
    1182.8×
  66. 66MuzaffarnagarUttar Pradesh, India
    1182.8×
  67. 67BaddiHimachal Pradesh, India
    1172.8×
  68. 68SibsāgarAssam, India
    1172.8×
  69. 69Ciudad NezahualcoyotlMéxico, Mexico
    1162.8×
  70. 70NalbāriAssam, India
    1162.8×
  71. 71BilāspurChhattisgarh, India
    1152.7×
  72. 72RatlāmMadhya Pradesh, India
    1142.7×
  73. 73NāgaurRajasthan, India
    1142.7×
  74. 74JalandharPunjab, India
    1142.7×
  75. 75San CarlosÑuble, Chile
    1132.7×
  76. 76VelloreTamil Nadu, India
    1132.7×
  77. 76ĀsansolWest Bengal, India
    1132.7×
  78. 78BhelaiChhattisgarh, India
    1122.7×
  79. 79HualquiBiobio, Chile
    1122.7×
  80. 80LucknowUttar Pradesh, India
    1122.7×
  81. 80GummidipundiTamil Nadu, India
    1122.7×
  82. 82JodhpurRajasthan, India
    1112.6×
  83. 83HanumāngarhRajasthan, India
    1102.6×
  84. 83Mixquiahuala de JuárezHidalgo, Mexico
    1102.6×
  85. 85RasapūdipalemAndhra Pradesh, India
    1092.6×
  86. 86PatancheruTelangana, India
    1092.6×
  87. 87Vientianelow-cost sensorsVientiane Prefecture, Laos
    1092.6×
  88. 88GayaBihar, India
    1072.5×
  89. 88TehuacánPuebla, Mexico
    1072.5×
  90. 90CoronelBiobio, Chile
    1062.5×
  91. 91SalemTamil Nadu, India
    1062.5×
  92. 91BārmerRajasthan, India
    1062.5×
  93. 93SaugorMadhya Pradesh, India
    1062.5×
  94. 94KigaliKigali, Rwanda
    1052.5×
  95. 94KarauliRajasthan, India
    1052.5×
  96. 94TemucoAraucania, Chile
    1052.5×
  97. 97BharatpurRajasthan, India
    1042.5×
  98. 98NashikMaharashtra, India
    1032.4×
  99. 98KadapaAndhra Pradesh, India
    1032.4×
  100. 100RānipetTamil Nadu, India
    1022.4×
  101. 101TumkūrKarnataka, India
    1022.4×
  102. 101Mexico CityMexico City, Mexico
    1022.4×
  103. 103BūndiRajasthan, India
    1012.4×
  104. 103QuthbullapurTelangana, India
    1012.4×
  105. 105SeonghwanChungcheongnam-do, South Korea
    1012.4×
  106. 106GarcíaNuevo León, Mexico
    1002.4×
  107. 107AmaravatiAndhra Pradesh, India
    1002.4×
  108. 108TlaquepaqueJalisco, Mexico
    992.3×
  109. 108SerilingampalleTelangana, India
    992.3×
  110. 110BikanerRajasthan, India
    992.3×
  111. 110RajākheriMadhya Pradesh, India
    992.3×
  112. 112SīkarRajasthan, India
    982.3×
  113. 113TulancingoHidalgo, Mexico
    982.3×
  114. 114SaharsaBihar, India
    972.3×
  115. 115KhannaPunjab, India
    972.3×
  116. 115AmravatiMaharashtra, India
    972.3×
  117. 117MohaliPunjab, India
    972.2×
  118. 118PrayagrajUttar Pradesh, India
    962.2×
  119. 119ChandigarhChandigarh, India
    962.2×
  120. 120TalaganteSantiago Metropolitan, Chile
    962.2×
  121. 120AlangadKerala, India
    962.2×
  122. 122JhālāwārRajasthan, India
    962.2×
  123. 123ThrissurKerala, India
    952.2×
  124. 123ThanjavurTamil Nadu, India
    952.2×
  125. 125SantiagoSantiago Metropolitan, Chile
    952.2×
  126. 126TonkRajasthan, India
    952.2×
  127. 126AkolaMaharashtra, India
    952.2×
  128. 128DhaulpurRajasthan, India
    942.2×
  129. 129CoimbatoreTamil Nadu, India
    942.1×
  130. 130Victoria de DurangoDurango, Mexico
    942.1×
  131. 131KolkataWest Bengal, India
    932.1×
  132. 132MangaluruKarnataka, India
    932.1×
  133. 132MonterreyNuevo León, Mexico
    932.1×
  134. 134ToméBiobio, Chile
    932.1×
  135. 135Dubailow-cost sensorsDubai, United Arab Emirates
    932.1×
  136. 135SiliguriWest Bengal, India
    932.1×
  137. 135RānīganjWest Bengal, India
    932.1×
  138. 135CuricóMaule Region, Chile
    932.1×
  139. 139PuneMaharashtra, India
    922.1×
  140. 139PueblaPuebla, Mexico
    922.1×
  141. 141IndoreMadhya Pradesh, India
    922.1×
  142. 141KannurKerala, India
    922.1×
  143. 141TalcahuanoBiobio, Chile
    922.1×
  144. 144ChittorgarhRajasthan, India
    922.1×
  145. 144Zacatepec de HidalgoMorelos, Mexico
    922.1×
  146. 144OsornoLos Lagos Region, Chile
    922.1×
  147. 144NandriRajasthan, India
    922.1×
  148. 148Addis AbabaAddis Ababa, Ethiopia
    922.1×
  149. 149DindigulTamil Nadu, India
    912.1×
  150. 150BadlapurMaharashtra, India
    912.0×
  151. 151NoidaUttar Pradesh, India
    902.0×
  152. 151YamanashiYamanashi, Japan
    902.0×
  153. 153Khon KaenKhon Kaen, Thailand
    902.0×
  154. 153Puente AltoSantiago Metropolitan, Chile
    902.0×
  155. 155UjjainMadhya Pradesh, India
    902.0×
  156. 155HaldiaWest Bengal, India
    902.0×
  157. 155VillarricaAraucania, Chile
    902.0×
  158. 155Puerto AysénAysén, Chile
    902.0×
  159. 159BulandshahrUttar Pradesh, India
    902.0×
  160. 159Ciudad Benito JuárezNuevo León, Mexico
    902.0×
  161. 161MeerutUttar Pradesh, India
    892.0×
  162. 162DādriUttar Pradesh, India
    892.0×
  163. 162TalcaMaule Region, Chile
    892.0×
  164. 162Hacienda Santa FeJalisco, Mexico
    892.0×
  165. 165BhilwaraRajasthan, India
    892.0×
  166. 166YasothonYasothon, Thailand
    892.0×
  167. 166CallaoCallao, Peru
    892.0×
  168. 168BhiwandiMaharashtra, India
    881.9×
  169. 169ChennaiTamil Nadu, India
    881.9×
  170. 169DhuleMaharashtra, India
    881.9×
  171. 169CuttackOdisha, India
    881.9×
  172. 169IshinomakiMiyagi, Japan
    881.9×
  173. 173KanpurUttar Pradesh, India
    881.9×
  174. 173JalorRajasthan, India
    881.9×
  175. 175DūngarpurRajasthan, India
    881.9×
  176. 176RancaguaO'Higgins Region, Chile
    871.9×
  177. 177BhopalMadhya Pradesh, India
    871.9×
  178. 177Puerto VarasLos Lagos Region, Chile
    871.9×
  179. 177Jardines de la SillaNuevo León, Mexico
    871.9×
  180. 180SamāstipurBihar, India
    871.9×
  181. 180MuzaffarpurBihar, India
    871.9×
  182. 180KalyānMaharashtra, India
    871.9×
  183. 180KalasinKalasin, Thailand
    871.9×
  184. 184KalaburagiKarnataka, India
    861.9×
  185. 185JabalpurMadhya Pradesh, India
    861.9×
  186. 185MenumaSaitama, Japan
    861.9×
  187. 187SāngliMaharashtra, India
    861.9×
  188. 187Roi EtRoi Et, Thailand
    861.9×
  189. 189BhilaiChhattisgarh, India
    861.8×
  190. 190AurangabadMaharashtra, India
    851.8×
  191. 190MinawaKanagawa, Japan
    851.8×
  192. 190ByasanagarOdisha, India
    851.8×
  193. 193SirohiRajasthan, India
    851.8×
  194. 193RajamahendravaramAndhra Pradesh, India
    851.8×
  195. 195HyderabadTelangana, India
    851.8×
  196. 196Amnat CharoenAmnat Charoen, Thailand
    851.8×
  197. 197Kodamachō-kodamaminamiSaitama, Japan
    851.8×
  198. 197La Providencia Siglo XXIHidalgo, Mexico
    851.8×
  199. 199OyamaTochigi, Japan
    841.8×
  200. 199ConcónValparaiso, Chile
    841.8×

Top 200 of 2,656 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, April 19, 2025, smogrank.com/history/2025-04-19 (accessed 2 Oct 2026).

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