SmogRank / History / June 18, 2025

Most polluted cities on June 18, 2025

2,564 cities ranked by their average PM2.5 over the day; the worst was Saltillo, Mexico, at 503.0 µg/m³. Each city's own local calendar day.

← Saltillo 503.0 µg/m³ 500 µg/m³15 WHO 24-hour guideline
Every city ranked for June 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. 1SaltilloCoahuila, Mexico
    500+33.5×
  2. 2TiruchirappalliTamil Nadu, India
    500+28.0×
  3. 3PāliRajasthan, India
    34816.6×
  4. 4MangaluruKarnataka, India
    27513.3×
  5. 5KhurjaUttar Pradesh, India
    26512.7×
  6. 6BānswāraRajasthan, India
    2038.5×
  7. 7Puerto VarasLos Lagos Region, Chile
    1978.1×
  8. 8OsornoLos Lagos Region, Chile
    1978.0×
  9. 9CuricóMaule Region, Chile
    1856.9×
  10. 10VillarricaAraucania, Chile
    1776.1×
  11. 11HualpénBiobio, Chile
    1715.6×
  12. 12Los ÁngelesBiobio, Chile
    1705.5×
  13. 13RamanathapuramTamil Nadu, India
    1705.5×
  14. 14NacimientoBiobio, Chile
    1695.4×
  15. 15KigaliKigali, Rwanda
    1655.0×
  16. 16CuranilahueBiobio, Chile
    1644.9×
  17. 17LoniUttar Pradesh, India
    1624.8×
  18. 18ChillánÑuble, Chile
    1624.7×
  19. 19TemucoAraucania, Chile
    1584.4×
  20. 20Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1564.2×
  21. 21TalcahuanoBiobio, Chile
    1564.1×
  22. 22ValdiviaLos Ríos Region, Chile
    1554.1×
  23. 23NagapattinamTamil Nadu, India
    1554.1×
  24. 24CoronelBiobio, Chile
    1533.9×
  25. 25TalaganteSantiago Metropolitan, Chile
    1523.8×
  26. 26La UniónLos Ríos Region, Chile
    1523.8×
  27. 27Lahorelow-cost sensorsPunjab, Pakistan
    1523.8×
  28. 28BawānaDelhi, India
    1513.7×
  29. 29TalcaMaule Region, Chile
    1503.7×
  30. 30Santa Anita - Los FicusLima region, Peru
    1493.7×
  31. 31RengoO'Higgins Region, Chile
    1493.7×
  32. 32NajafgarhDelhi, India
    1483.6×
  33. 32Puerto MonttLos Lagos Region, Chile
    1483.6×
  34. 34KatiharBihar, India
    1463.6×
  35. 35LudhianaPunjab, India
    1443.5×
  36. 36DushanbeDushanbe, Tajikistan
    1433.5×
  37. 37Multanlow-cost sensorsPunjab, Pakistan
    1403.4×
  38. 37Aya NagarDelhi, India
    1403.4×
  39. 39NarelaDelhi, India
    1393.4×
  40. 40KhannaPunjab, India
    1383.4×
  41. 41BarbilOdisha, India
    1363.3×
  42. 42Islamabadlow-cost sensorsIslamabad, Pakistan
    1353.3×
  43. 43LinaresMaule Region, Chile
    1313.2×
  44. 44BaddiHimachal Pradesh, India
    1313.2×
  45. 45Sialkotlow-cost sensorsPunjab, Pakistan
    1303.2×
  46. 46KoppalKarnataka, India
    1283.1×
  47. 47NoidaUttar Pradesh, India
    1273.1×
  48. 48KhargharMaharashtra, India
    1273.1×
  49. 49Rawalpindilow-cost sensorsPunjab, Pakistan
    1243.0×
  50. 49CauquenesMaule Region, Chile
    1243.0×
  51. 51Sri GanganagarRajasthan, India
    1182.8×
  52. 52CoyhaiqueAysén, Chile
    1172.8×
  53. 53RasapūdipalemAndhra Pradesh, India
    1142.7×
  54. 54SantiagoSantiago Metropolitan, Chile
    1132.7×
  55. 55DelhiDelhi, India
    1122.7×
  56. 56NagaonAssam, India
    1082.6×
  57. 57Dubailow-cost sensorsDubai, United Arab Emirates
    1072.5×
  58. 58DādriUttar Pradesh, India
    1062.5×
  59. 59JhālāwārRajasthan, India
    1052.5×
  60. 60VirārMaharashtra, India
    1042.5×
  61. 61SingrauliMadhya Pradesh, India
    1032.4×
  62. 62SamāstipurBihar, India
    1012.4×
  63. 62TaupoWaikato Region, New Zealand
    1012.4×
  64. 64KadapaAndhra Pradesh, India
    1012.4×
  65. 64NavalpattuTamil Nadu, India
    1012.4×
  66. 66ConcepciónBiobio, Chile
    1012.4×
  67. 67RancaguaO'Higgins Region, Chile
    1002.3×
  68. 68TirupparangunramTamil Nadu, India
    992.3×
  69. 68KalyānMaharashtra, India
    992.3×
  70. 70TambaramTamil Nadu, India
    992.3×
  71. 71SrinagarJammu and Kashmir, India
    982.3×
  72. 72ConcónValparaiso, Chile
    982.3×
  73. 73CholulaPuebla, Mexico
    962.2×
  74. 74Puente AltoSantiago Metropolitan, Chile
    952.2×
  75. 74HualquiBiobio, Chile
    952.2×
  76. 76AhmedabadGujarat, India
    952.2×
  77. 77RānipetTamil Nadu, India
    952.2×
  78. 78BhelaiChhattisgarh, India
    942.1×
  79. 79KollamKerala, India
    932.1×
  80. 80VijayawadaAndhra Pradesh, India
    922.1×
  81. 80TirupatiAndhra Pradesh, India
    922.1×
  82. 82SevillaAndalusia, Spain
    922.1×
  83. 83NalbāriAssam, India
    912.0×
  84. 83CoquimboCoquimbo Region, Chile
    912.0×
  85. 85TimaruCanterbury, New Zealand
    902.0×
  86. 85AlangadKerala, India
    902.0×
  87. 87BathindaPunjab, India
    902.0×
  88. 88Gimpo-siGyeonggi-do, South Korea
    902.0×
  89. 89ChiguayanteBiobio, Chile
    902.0×
  90. 90KimjeJeollabuk-do, South Korea
    892.0×
  91. 91San Pedro de la PazBiobio, Chile
    892.0×
  92. 92ThāneMaharashtra, India
    881.9×
  93. 92RourkelaOdisha, India
    881.9×
  94. 92BhāgalpurBihar, India
    881.9×
  95. 95GummidipundiTamil Nadu, India
    881.9×
  96. 96WanjuJeollabuk-do, South Korea
    881.9×
  97. 97KanpurUttar Pradesh, India
    881.9×
  98. 98Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    871.9×
  99. 99MuzaffarnagarUttar Pradesh, India
    871.9×
  100. 99Goyang-siGyeonggi-do, South Korea
    871.9×
  101. 101HyderabadTelangana, India
    871.9×
  102. 101HanamGyeonggi-do, South Korea
    871.9×
  103. 103SīkarRajasthan, India
    861.9×
  104. 103OyamaTochigi, Japan
    861.9×
  105. 105ChandigarhChandigarh, India
    861.9×
  106. 105OsanGyeonggi-do, South Korea
    861.9×
  107. 107QuinteroValparaiso, Chile
    861.9×
  108. 107Greater NoidaUttar Pradesh, India
    861.9×
  109. 107JeongeupJeollabuk-do, South Korea
    861.9×
  110. 110JalandharPunjab, India
    861.8×
  111. 111Istanbullow-cost sensorsIstanbul, Turkey
    851.8×
  112. 112OurenseGalicia, Spain
    851.8×
  113. 113KannurKerala, India
    851.8×
  114. 113Icheon-siGyeonggi-do, South Korea
    851.8×
  115. 115HājīpurBihar, India
    851.8×
  116. 116HayangGyeongsangbuk-do, South Korea
    841.8×
  117. 116Ansan-siGyeonggi-do, South Korea
    841.8×
  118. 118AriyalūrTamil Nadu, India
    841.8×
  119. 118SeoulSeoul, South Korea
    841.8×
  120. 120Guri-siGyeonggi-do, South Korea
    841.8×
  121. 121WŏnjuGangwon-do, South Korea
    831.8×
  122. 122SatnaMadhya Pradesh, India
    831.8×
  123. 123IksanJeollabuk-do, South Korea
    831.7×
  124. 124Bucheon-siGyeonggi-do, South Korea
    831.7×
  125. 125NajuJeollanam-do, South Korea
    821.7×
  126. 126ProkupljeCentral Serbia, Serbia
    821.7×
  127. 127EisenGyeongsangbuk-do, South Korea
    821.7×
  128. 128JakartaJakarta, Indonesia
    811.7×
  129. 128MiryangGyeongsangnam-do, South Korea
    811.7×
  130. 130SeonghwanChungcheongnam-do, South Korea
    811.7×
  131. 130PubalGyeonggi-do, South Korea
    811.7×
  132. 132BulandshahrUttar Pradesh, India
    811.7×
  133. 132AjmerRajasthan, India
    811.7×
  134. 134BūndiRajasthan, India
    811.7×
  135. 134GumiGyeongsangbuk-do, South Korea
    811.7×
  136. 134ŌtsukiYamanashi, Japan
    811.7×
  137. 137JungpyongNorth Chungcheong, South Korea
    801.7×
  138. 137HwawŏnDaegu, South Korea
    801.7×
  139. 139SokchoGangwon-do, South Korea
    801.7×
  140. 139Alcalá de GuadairaAndalusia, Spain
    801.7×
  141. 139YamanashiYamanashi, Japan
    801.7×
  142. 142AgraUttar Pradesh, India
    801.6×
  143. 143NairobiNairobi County, Kenya
    801.6×
  144. 143MasanGwangju, South Korea
    801.6×
  145. 145YeojuGyeonggi-do, South Korea
    791.6×
  146. 145Yangp'yŏngGyeonggi-do, South Korea
    791.6×
  147. 145CallaoCallao, Peru
    791.6×
  148. 148TocopillaAntofagasta, Chile
    791.6×
  149. 148MandideepMadhya Pradesh, India
    791.6×
  150. 150SangāreddiTelangana, India
    791.6×
  151. 151PatiālaPunjab, India
    791.6×
  152. 151YeonggwangJeollanam-do, South Korea
    791.6×
  153. 151Hongch’ŏnGangwon-do, South Korea
    791.6×
  154. 154GandhinagarGujarat, India
    791.6×
  155. 155Roi EtRoi Et, Thailand
    781.6×
  156. 156PrayagrajUttar Pradesh, India
    781.6×
  157. 156WaegwanGyeongsangbuk-do, South Korea
    781.6×
  158. 156UlsanUlsan, South Korea
    781.6×
  159. 156IncheonIncheon, South Korea
    781.6×
  160. 156JangheungJeollanam-do, South Korea
    781.6×
  161. 161KinzanChungcheongnam-do, South Korea
    771.6×
  162. 161GoseongGyeongsangnam-do, South Korea
    771.6×
  163. 161CosladaMadrid, Spain
    771.6×
  164. 161Naucalpan de JuárezMéxico, Mexico
    771.6×
  165. 161BhiwadiRajasthan, India
    771.6×
  166. 166MukdahanMukdahan, Thailand
    771.5×
  167. 166Uijeongbu-siGyeonggi-do, South Korea
    771.5×
  168. 166AsanChungcheongnam-do, South Korea
    771.5×
  169. 166AshburtonCanterbury, New Zealand
    771.5×
  170. 170PrešovPrešov Region, Slovakia
    771.5×
  171. 171DausaRajasthan, India
    771.5×
  172. 171DaeguDaegu, South Korea
    771.5×
  173. 171HaenamJeollanam-do, South Korea
    771.5×
  174. 171VapiGujarat, India
    771.5×
  175. 175BhilwaraRajasthan, India
    771.5×
  176. 175YangguGangwon-do, South Korea
    771.5×
  177. 175DamyangJeollanam-do, South Korea
    771.5×
  178. 178JeonjuJeollabuk-do, South Korea
    771.5×
  179. 178YeongamJeollanam-do, South Korea
    771.5×
  180. 180GwangmyeongGyeonggi-do, South Korea
    761.5×
  181. 180CopiapóAtacama, Chile
    761.5×
  182. 182LucknowUttar Pradesh, India
    761.5×
  183. 182BoisarMaharashtra, India
    761.5×
  184. 182YeongdongNorth Chungcheong, South Korea
    761.5×
  185. 182Gyeongsan-siGyeongsangbuk-do, South Korea
    761.5×
  186. 182KoesanNorth Chungcheong, South Korea
    761.5×
  187. 187BārānRajasthan, India
    761.5×
  188. 187TangjinChungcheongnam-do, South Korea
    761.5×
  189. 187GapyeongGyeonggi-do, South Korea
    761.5×
  190. 190Quettalow-cost sensorsBalochistan, Pakistan
    761.5×
  191. 190YeongjuGyeongsangbuk-do, South Korea
    761.5×
  192. 190GunsanJeollabuk-do, South Korea
    761.5×
  193. 190ChinjuGyeongsangnam-do, South Korea
    761.5×
  194. 190Chinch'ŏnNorth Chungcheong, South Korea
    761.5×
  195. 190Anyang-siGyeonggi-do, South Korea
    761.5×
  196. 190WabuGyeonggi-do, South Korea
    761.5×
  197. 190HamiltonWaikato Region, New Zealand
    761.5×
  198. 190San Francisco De BorjaLima region, Peru
    761.5×
  199. 199ChungjuNorth Chungcheong, South Korea
    761.5×
  200. 200YangjuGyeonggi-do, South Korea
    751.5×

Top 200 of 2,564 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, June 18, 2025, smogrank.com/history/2025-06-18 (accessed 2 Oct 2026).

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