SmogRank / History / April 18, 2025

Most polluted cities on April 18, 2025

2,678 cities ranked by their average PM2.5 over the day; the worst was Dushanbe, Tajikistan, at 287.0 µg/m³. Each city's own local calendar day.

← Dushanbe 287.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for April 18, 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. 1DushanbeDushanbe, Tajikistan
    42419.1×
  2. 2Sunland ParkNew Mexico, United States
    2068.7×
  3. 3HobbsNew Mexico, United States
    1836.7×
  4. 4SiwānBihar, India
    1816.6×
  5. 5DādriUttar Pradesh, India
    1796.4×
  6. 6El PasoTexas, United States
    1776.2×
  7. 7SocorroTexas, United States
    1766.1×
  8. 8NarelaDelhi, India
    1766.0×
  9. 9BawānaDelhi, India
    1745.9×
  10. 10BhiwadiRajasthan, India
    1745.9×
  11. 11SingrauliMadhya Pradesh, India
    1715.6×
  12. 12OsornoLos Lagos Region, Chile
    1695.4×
  13. 13LoniUttar Pradesh, India
    1675.2×
  14. 14Dera MāndiDelhi, India
    1665.2×
  15. 15KishanganjBihar, India
    1665.1×
  16. 15Ciudad JuárezChihuahua, Mexico
    1665.1×
  17. 17BāghpatUttar Pradesh, India
    1665.1×
  18. 18Ubon RatchathaniUbon Ratchathani, Thailand
    1644.9×
  19. 19BathindaPunjab, India
    1604.6×
  20. 20DelhiDelhi, India
    1604.6×
  21. 21NajafgarhDelhi, India
    1604.5×
  22. 22NavalpattuTamil Nadu, India
    1594.5×
  23. 23GuwahatiAssam, India
    1584.4×
  24. 24GwaliorMadhya Pradesh, India
    1584.3×
  25. 25LucknowUttar Pradesh, India
    1574.3×
  26. 26MeerutUttar Pradesh, India
    1564.2×
  27. 27GhāziābādUttar Pradesh, India
    1554.1×
  28. 28Sri GanganagarRajasthan, India
    1554.1×
  29. 29LudhianaPunjab, India
    1554.1×
  30. 30AjmerRajasthan, India
    1554.1×
  31. 31HualquiBiobio, Chile
    1554.1×
  32. 32Aya NagarDelhi, India
    1544.0×
  33. 33TiruchirappalliTamil Nadu, India
    1543.9×
  34. 34MalegaonMaharashtra, India
    1523.8×
  35. 35VillarricaAraucania, Chile
    1523.8×
  36. 36SholapurMaharashtra, India
    1523.8×
  37. 37AurangābādBihar, India
    1473.6×
  38. 38MandideepMadhya Pradesh, India
    1463.6×
  39. 39HanumāngarhRajasthan, India
    1453.6×
  40. 40PatiālaPunjab, India
    1453.6×
  41. 41DausaRajasthan, India
    1433.5×
  42. 42JaipurRajasthan, India
    1433.5×
  43. 43CuernavacaMorelos, Mexico
    1433.5×
  44. 44BhelaiChhattisgarh, India
    1423.5×
  45. 44CoyhaiqueAysén, Chile
    1423.5×
  46. 46SīkarRajasthan, India
    1413.4×
  47. 47AlwarRajasthan, India
    1403.4×
  48. 48NalbāriAssam, India
    1403.4×
  49. 49MuzaffarnagarUttar Pradesh, India
    1403.4×
  50. 50ChūruRajasthan, India
    1393.4×
  51. 51TemucoAraucania, Chile
    1383.4×
  52. 52NagpurMaharashtra, India
    1383.4×
  53. 53RourkelaOdisha, India
    1383.4×
  54. 54JalandharPunjab, India
    1373.4×
  55. 55TirumalaAndhra Pradesh, India
    1373.3×
  56. 56SasarāmBihar, India
    1373.3×
  57. 56AgraUttar Pradesh, India
    1373.3×
  58. 58JaisalmerRajasthan, India
    1373.3×
  59. 59BulandshahrUttar Pradesh, India
    1363.3×
  60. 60VirārMaharashtra, India
    1353.3×
  61. 60DewasMadhya Pradesh, India
    1353.3×
  62. 62DamohMadhya Pradesh, India
    1343.3×
  63. 63PāliRajasthan, India
    1323.2×
  64. 64Ciudad NezahualcoyotlMéxico, Mexico
    1313.2×
  65. 65PithampurMadhya Pradesh, India
    1313.2×
  66. 66Sawai MadhopurRajasthan, India
    1303.2×
  67. 67Islamabadlow-cost sensorsIslamabad, Pakistan
    1273.1×
  68. 68AhmedabadGujarat, India
    1263.1×
  69. 69PatancheruTelangana, India
    1263.0×
  70. 70SerilingampalleTelangana, India
    1263.0×
  71. 71BharatpurRajasthan, India
    1253.0×
  72. 72VijayawadaAndhra Pradesh, India
    1243.0×
  73. 73BilāspurChhattisgarh, India
    1243.0×
  74. 74RānipetTamil Nadu, India
    1222.9×
  75. 75Puerto VarasLos Lagos Region, Chile
    1222.9×
  76. 76DehradunUttarakhand, India
    1222.9×
  77. 76CoimbatoreTamil Nadu, India
    1222.9×
  78. 78NoidaUttar Pradesh, India
    1202.9×
  79. 79GandhinagarGujarat, India
    1202.9×
  80. 80PrayagrajUttar Pradesh, India
    1192.9×
  81. 81KanpurUttar Pradesh, India
    1182.8×
  82. 82AnantapurAndhra Pradesh, India
    1172.8×
  83. 83AkolaMaharashtra, India
    1162.8×
  84. 84BaddiHimachal Pradesh, India
    1162.8×
  85. 85KinzanChungcheongnam-do, South Korea
    1162.8×
  86. 86AmravatiMaharashtra, India
    1152.7×
  87. 86HualpénBiobio, Chile
    1152.7×
  88. 88Mexico CityMexico City, Mexico
    1152.7×
  89. 89NāgaurRajasthan, India
    1142.7×
  90. 90KhannaPunjab, India
    1142.7×
  91. 91Victoria de DurangoDurango, Mexico
    1132.7×
  92. 92LaturMaharashtra, India
    1122.7×
  93. 92DindigulTamil Nadu, India
    1122.7×
  94. 92MohaliPunjab, India
    1122.7×
  95. 95KarurTamil Nadu, India
    1122.7×
  96. 95ChāndaMaharashtra, India
    1122.7×
  97. 97ChandigarhChandigarh, India
    1112.6×
  98. 98Amnat CharoenAmnat Charoen, Thailand
    1102.6×
  99. 99BikanerRajasthan, India
    1102.6×
  100. 100UdaipurRajasthan, India
    1092.6×
  101. 100RājgīrBihar, India
    1092.6×
  102. 102AsanChungcheongnam-do, South Korea
    1092.6×
  103. 103JhānsiUttar Pradesh, India
    1082.6×
  104. 103SeonghwanChungcheongnam-do, South Korea
    1082.6×
  105. 105AnkleshwarGujarat, India
    1062.5×
  106. 106YeojuGyeonggi-do, South Korea
    1062.5×
  107. 107SaugorMadhya Pradesh, India
    1062.5×
  108. 107KadapaAndhra Pradesh, India
    1062.5×
  109. 109PubalGyeonggi-do, South Korea
    1062.5×
  110. 109La UniónLos Ríos Region, Chile
    1062.5×
  111. 111OsanGyeonggi-do, South Korea
    1052.5×
  112. 112Gadag-BetageriKarnataka, India
    1052.5×
  113. 113VelloreTamil Nadu, India
    1052.5×
  114. 114PuneMaharashtra, India
    1042.5×
  115. 115ThāneMaharashtra, India
    1042.5×
  116. 115GummidipundiTamil Nadu, India
    1042.5×
  117. 117SalemTamil Nadu, India
    1032.4×
  118. 118Puerto MonttLos Lagos Region, Chile
    1022.4×
  119. 119TumkūrKarnataka, India
    1022.4×
  120. 120ValdiviaLos Ríos Region, Chile
    1022.4×
  121. 120Puente AltoSantiago Metropolitan, Chile
    1022.4×
  122. 122Mixquiahuala de JuárezHidalgo, Mexico
    1022.4×
  123. 123SantiagoSantiago Metropolitan, Chile
    1002.4×
  124. 124BhiwandiMaharashtra, India
    1002.3×
  125. 124JodaOdisha, India
    1002.3×
  126. 126DhuleMaharashtra, India
    992.3×
  127. 127RasapūdipalemAndhra Pradesh, India
    992.3×
  128. 128QuthbullapurTelangana, India
    982.3×
  129. 129GorakhpurUttar Pradesh, India
    982.3×
  130. 129Guri-siGyeonggi-do, South Korea
    982.3×
  131. 131JodhpurRajasthan, India
    982.3×
  132. 131YesanChungcheongnam-do, South Korea
    982.3×
  133. 131WŏnjuGangwon-do, South Korea
    982.3×
  134. 131GumiGyeongsangbuk-do, South Korea
    982.3×
  135. 135Zacatepec de HidalgoMorelos, Mexico
    982.3×
  136. 136Chik BallāpurKarnataka, India
    972.3×
  137. 136HwadoGyeonggi-do, South Korea
    972.3×
  138. 138JhunjhunūnRajasthan, India
    972.3×
  139. 139KigaliKigali, Rwanda
    972.2×
  140. 140Istanbullow-cost sensorsIstanbul, Turkey
    962.2×
  141. 141SāngliMaharashtra, India
    962.2×
  142. 141JakartaJakarta, Indonesia
    962.2×
  143. 141AlangadKerala, India
    962.2×
  144. 144JhālāwārRajasthan, India
    962.2×
  145. 145KannurKerala, India
    962.2×
  146. 146JungpyongNorth Chungcheong, South Korea
    952.2×
  147. 147Icheon-siGyeonggi-do, South Korea
    952.2×
  148. 148ChittorgarhRajasthan, India
    952.2×
  149. 149TehuacánPuebla, Mexico
    952.2×
  150. 149CoronelBiobio, Chile
    952.2×
  151. 151BārānRajasthan, India
    942.2×
  152. 151PyeongtaekGyeonggi-do, South Korea
    942.2×
  153. 153PueblaPuebla, Mexico
    942.2×
  154. 153YamanashiYamanashi, Japan
    942.2×
  155. 155KalyānMaharashtra, India
    942.1×
  156. 155TulancingoHidalgo, Mexico
    942.1×
  157. 157SibsāgarAssam, India
    942.1×
  158. 158RatlāmMadhya Pradesh, India
    942.1×
  159. 159TangjinChungcheongnam-do, South Korea
    932.1×
  160. 160Bucheon-siGyeonggi-do, South Korea
    932.1×
  161. 160TalaganteSantiago Metropolitan, Chile
    932.1×
  162. 162ThanjavurTamil Nadu, India
    932.1×
  163. 162NashikMaharashtra, India
    932.1×
  164. 164AmīnpurTelangana, India
    932.1×
  165. 165SeoulSeoul, South Korea
    932.1×
  166. 165GwangmyeongGyeonggi-do, South Korea
    932.1×
  167. 167JalgaonMaharashtra, India
    922.1×
  168. 168DhaulpurRajasthan, India
    922.1×
  169. 169YasothonYasothon, Thailand
    922.1×
  170. 170ThrissurKerala, India
    922.1×
  171. 170KohimaNagaland, India
    922.1×
  172. 170YeongdongNorth Chungcheong, South Korea
    922.1×
  173. 170Anyang-siGyeonggi-do, South Korea
    922.1×
  174. 170Ansan-siGyeonggi-do, South Korea
    922.1×
  175. 175JabalpurMadhya Pradesh, India
    912.1×
  176. 176IndoreMadhya Pradesh, India
    912.0×
  177. 176OkcheonNorth Chungcheong, South Korea
    912.0×
  178. 178PatnaBihar, India
    912.0×
  179. 179GimcheonGyeongsangbuk-do, South Korea
    912.0×
  180. 180RajākheriMadhya Pradesh, India
    912.0×
  181. 181BhopalMadhya Pradesh, India
    902.0×
  182. 182MukdahanMukdahan, Thailand
    902.0×
  183. 182CallaoCallao, Peru
    902.0×
  184. 182TlaquepaqueJalisco, Mexico
    902.0×
  185. 185LinaresMaule Region, Chile
    902.0×
  186. 186WanjuJeollabuk-do, South Korea
    892.0×
  187. 186IksanJeollabuk-do, South Korea
    892.0×
  188. 186KhargharMaharashtra, India
    892.0×
  189. 189AngulOdisha, India
    892.0×
  190. 190AurangabadMaharashtra, India
    892.0×
  191. 190YeongjuGyeongsangbuk-do, South Korea
    892.0×
  192. 190PohangGyeongsangbuk-do, South Korea
    892.0×
  193. 190CuranilahueBiobio, Chile
    892.0×
  194. 194HyderabadTelangana, India
    892.0×
  195. 194BānswāraRajasthan, India
    892.0×
  196. 194CheorwonGangwon-do, South Korea
    892.0×
  197. 194RancaguaO'Higgins Region, Chile
    892.0×
  198. 198KeonjhargarhOdisha, India
    892.0×
  199. 199ColumbusGeorgia, United States
    881.9×
  200. 200Cheongju-siNorth Chungcheong, South Korea
    881.9×

Top 200 of 2,678 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 18, 2025, smogrank.com/history/2025-04-18 (accessed 2 Oct 2026).

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