SmogRank / History / June 25, 2025

Most polluted cities on June 25, 2025

2,456 cities ranked by their average PM2.5 over the day; the worst was Nacimiento, Chile, at 114.4 µg/m³. Each city's own local calendar day.

← Nacimiento 114.4 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for June 25, 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. 1NacimientoBiobio, Chile
    1927.6×
  2. 2CuricóMaule Region, Chile
    1786.3×
  3. 3OsornoLos Lagos Region, Chile
    1745.9×
  4. 4Los ÁngelesBiobio, Chile
    1665.1×
  5. 5CuranilahueBiobio, Chile
    1634.9×
  6. 6DushanbeDushanbe, Tajikistan
    1624.7×
  7. 7HualpénBiobio, Chile
    1614.7×
  8. 8KigaliKigali, Rwanda
    1614.6×
  9. 9CoronelBiobio, Chile
    1604.5×
  10. 10Faisalabadlow-cost sensorsPunjab, Pakistan
    1594.5×
  11. 11Gujranwalalow-cost sensorsPunjab, Pakistan
    1554.1×
  12. 12Lahorelow-cost sensorsPunjab, Pakistan
    1554.0×
  13. 13ValdiviaLos Ríos Region, Chile
    1544.0×
  14. 13LinaresMaule Region, Chile
    1544.0×
  15. 15JakartaJakarta, Indonesia
    1544.0×
  16. 16San CarlosÑuble, Chile
    1533.9×
  17. 17ManamaManama, Bahrain
    1523.8×
  18. 18RengoO'Higgins Region, Chile
    1503.7×
  19. 19DelhiDelhi, India
    1473.6×
  20. 20Puerto VarasLos Lagos Region, Chile
    1463.6×
  21. 21RancaguaO'Higgins Region, Chile
    1453.5×
  22. 22TalcaMaule Region, Chile
    1323.2×
  23. 23QuillotaValparaiso, Chile
    1293.1×
  24. 24TalaganteSantiago Metropolitan, Chile
    1283.1×
  25. 25Puente AltoSantiago Metropolitan, Chile
    1283.1×
  26. 26CoyhaiqueAysén, Chile
    1263.1×
  27. 27HualquiBiobio, Chile
    1243.0×
  28. 28Puerto MonttLos Lagos Region, Chile
    1233.0×
  29. 29Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    1222.9×
  30. 30Sialkotlow-cost sensorsPunjab, Pakistan
    1212.9×
  31. 31TemucoAraucania, Chile
    1192.9×
  32. 32NairobiNairobi County, Kenya
    1172.8×
  33. 33Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1152.8×
  34. 34La UniónLos Ríos Region, Chile
    1142.7×
  35. 35ChillánÑuble, Chile
    1142.7×
  36. 36TalcahuanoBiobio, Chile
    1132.7×
  37. 37Multanlow-cost sensorsPunjab, Pakistan
    1102.6×
  38. 37VillarricaAraucania, Chile
    1102.6×
  39. 37SantiagoSantiago Metropolitan, Chile
    1102.6×
  40. 40ChiguayanteBiobio, Chile
    1052.5×
  41. 41Rawalpindilow-cost sensorsPunjab, Pakistan
    1042.4×
  42. 42Dubailow-cost sensorsDubai, United Arab Emirates
    1022.4×
  43. 43Karachilow-cost sensorsSindh, Pakistan
    962.2×
  44. 44CauquenesMaule Region, Chile
    922.1×
  45. 45ToméBiobio, Chile
    922.1×
  46. 46CholulaPuebla, Mexico
    912.0×
  47. 47ConcónValparaiso, Chile
    912.0×
  48. 47LimaLima Province, Peru
    912.0×
  49. 47Wake Forestlow-cost sensorsNorth Carolina, United States
    912.0×
  50. 50ConcepciónBiobio, Chile
    892.0×
  51. 51Istanbullow-cost sensorsIstanbul, Turkey
    892.0×
  52. 52Islamabadlow-cost sensorsIslamabad, Pakistan
    892.0×
  53. 53QuinteroValparaiso, Chile
    881.9×
  54. 54AricaArica y Parinacota Region, Chile
    881.9×
  55. 55Ban Talat BuengChon Buri, Thailand
    881.9×
  56. 56Accralow-cost sensorsGreater Accra, Ghana
    861.9×
  57. 57ShenyangLiaoning, China
    861.9×
  58. 58ObrenovacCentral Serbia, Serbia
    851.8×
  59. 58CallaoCallao, Peru
    851.8×
  60. 58San Pedro de la PazBiobio, Chile
    851.8×
  61. 61Bahawalpurlow-cost sensorsPunjab, Pakistan
    841.8×
  62. 62Quettalow-cost sensorsBalochistan, Pakistan
    841.8×
  63. 62Viña del MarValparaiso, Chile
    841.8×
  64. 64Zagreblow-cost sensorsZagreb, Croatia
    841.8×
  65. 65Quezon Citylow-cost sensorsNational Capital Region, Philippines
    841.8×
  66. 65Torrejón de ArdozMadrid, Spain
    841.8×
  67. 65Puerto AysénAysén, Chile
    841.8×
  68. 68ChennaiTamil Nadu, India
    811.7×
  69. 69RoveretoTrentino-Alto Adige, Italy
    811.7×
  70. 70TimaruCanterbury, New Zealand
    801.7×
  71. 71AntofagastaAntofagasta, Chile
    801.6×
  72. 72Iloilolow-cost sensorsWestern Visayas, Philippines
    791.6×
  73. 73San Francisco De BorjaLima region, Peru
    771.5×
  74. 74ProkupljeCentral Serbia, Serbia
    761.5×
  75. 75BolzanoTrentino-Alto Adige, Italy
    761.5×
  76. 76Bang NaBangkok, Thailand
    751.5×
  77. 77MukdahanMukdahan, Thailand
    751.5×
  78. 78KalasinKalasin, Thailand
    741.4×
  79. 79RangioraCanterbury, New Zealand
    741.4×
  80. 80Koch'angJeollabuk-do, South Korea
    741.4×
  81. 80La SerenaCoquimbo Region, Chile
    741.4×
  82. 80YeongamJeollanam-do, South Korea
    741.4×
  83. 83CopiapóAtacama, Chile
    741.4×
  84. 84BirminghamAlabama, United States
    731.4×
  85. 85PaviaLombardy, Italy
    731.4×
  86. 86GyeongjuGyeongsangbuk-do, South Korea
    731.4×
  87. 86Hacienda Santa FeJalisco, Mexico
    731.4×
  88. 88GreenvilleNorth Carolina, United States
    721.4×
  89. 89AtlantaGeorgia, United States
    721.4×
  90. 89MaconGeorgia, United States
    721.4×
  91. 91YasothonYasothon, Thailand
    721.4×
  92. 92CoquimboCoquimbo Region, Chile
    721.3×
  93. 92East RidgeTennessee, United States
    721.3×
  94. 94Si Maha PhotPrachin Buri, Thailand
    711.3×
  95. 94Falconara MarittimaThe Marches, Italy
    711.3×
  96. 96Saint AndrewsSouth Carolina, United States
    711.3×
  97. 96SinanJeollanam-do, South Korea
    711.3×
  98. 98VisaliaCalifornia, United States
    711.3×
  99. 98Candler-McAfeeGeorgia, United States
    711.3×
  100. 100Taguiglow-cost sensorsNational Capital Region, Philippines
    711.3×
  101. 100Roanoke RapidsNorth Carolina, United States
    711.3×
  102. 102BellinzonaTicino, Switzerland
    701.3×
  103. 102TrentoTrentino-Alto Adige, Italy
    701.3×
  104. 104PrešovPrešov Region, Slovakia
    701.3×
  105. 104Villa Poeta José Gálvez BarrenecheaLima region, Peru
    701.3×
  106. 106PiraeusAttica, Greece
    691.3×
  107. 107PtujUrban Municipality of Ptuj, Slovenia
    691.3×
  108. 107FlorenceSouth Carolina, United States
    691.3×
  109. 109Warner RobinsGeorgia, United States
    691.3×
  110. 110ColumbusGeorgia, United States
    691.2×
  111. 110FayettevilleNorth Carolina, United States
    691.2×
  112. 112UlsanUlsan, South Korea
    691.2×
  113. 112MariborUrban Municipality of Maribor, Slovenia
    691.2×
  114. 112AtlixcoPuebla, Mexico
    691.2×
  115. 112TocopillaAntofagasta, Chile
    691.2×
  116. 112AugustaGeorgia, United States
    691.2×
  117. 117SadaoSongkhla, Thailand
    691.2×
  118. 117Columbialow-cost sensorsMissouri, United States
    691.2×
  119. 119ChesapeakeVirginia, United States
    681.2×
  120. 120RaleighNorth Carolina, United States
    681.2×
  121. 120ChattanoogaTennessee, United States
    681.2×
  122. 122WolfsbergCarinthia, Austria
    681.2×
  123. 122GainesvilleGeorgia, United States
    681.2×
  124. 124LexingtonNorth Carolina, United States
    681.2×
  125. 125SofiaSofia-Capital, Bulgaria
    671.2×
  126. 125KranjUrban Municipality of Kranj, Slovenia
    671.2×
  127. 127YeonilGyeongsangbuk-do, South Korea
    671.2×
  128. 127TurinPiedmont, Italy
    671.2×
  129. 129OurenseGalicia, Spain
    671.2×
  130. 129JesiThe Marches, Italy
    671.2×
  131. 129SpartanburgSouth Carolina, United States
    671.2×
  132. 132KraljevoCentral Serbia, Serbia
    671.2×
  133. 132HaenamJeollanam-do, South Korea
    671.2×
  134. 132Mexico CityMexico City, Mexico
    671.2×
  135. 132PortsmouthOhio, United States
    671.2×
  136. 136GoseongGyeongsangnam-do, South Korea
    671.2×
  137. 136FontanaCalifornia, United States
    671.2×
  138. 138ValdostaGeorgia, United States
    661.2×
  139. 139JangheungJeollanam-do, South Korea
    661.2×
  140. 139ManlleuCatalonia, Spain
    661.2×
  141. 141NovaraPiedmont, Italy
    661.1×
  142. 143KrosnoSubcarpathia, Poland
    661.1×
  143. 143Vientianelow-cost sensorsVientiane Prefecture, Laos
    661.1×
  144. 143TaupoWaikato Region, New Zealand
    661.1×
  145. 143LjubljanaLjubljana, Slovenia
    661.1×
  146. 147NajuJeollanam-do, South Korea
    661.1×
  147. 148HurricaneUtah, United States
    661.1×
  148. 149CatañoCataño, Puerto Rico
    651.1×
  149. 150Ban Samae DamBangkok, Thailand
    651.1×
  150. 150Mollet del VallèsCatalonia, Spain
    651.1×
  151. 150VigevanoLombardy, Italy
    651.1×
  152. 153Aix-en-ProvenceProvence-Alpes-Côte d'Azur, France
    651.1×
  153. 153CeljeUrban Municipality of Celje, Slovenia
    651.1×
  154. 153Khan Na YaoBangkok, Thailand
    651.1×
  155. 156XizhiTaipei, Taiwan
    651.1×
  156. 156MarignaneProvence-Alpes-Côte d'Azur, France
    651.1×
  157. 156MexicaliBaja California, Mexico
    651.1×
  158. 156GadsdenAlabama, United States
    651.1×
  159. 156PleasantvilleNew Jersey, United States
    651.1×
  160. 156CalexicoCalifornia, United States
    651.1×
  161. 162ArlesProvence-Alpes-Côte d'Azur, France
    651.1×
  162. 162Naucalpan de JuárezMéxico, Mexico
    651.1×
  163. 162León de los AldamaGuanajuato, Mexico
    651.1×
  164. 165Novi PazarCentral Serbia, Serbia
    641.1×
  165. 165MurciaMurcia, Spain
    641.1×
  166. 165CalamaAntofagasta, Chile
    641.1×
  167. 165McDonoughGeorgia, United States
    641.1×
  168. 165Cedar CityUtah, United States
    641.1×
  169. 171TongyeongGyeongsangnam-do, South Korea
    641.1×
  170. 171Banja LukaSrpska, Bosnia and Herzegovina
    641.1×
  171. 171ShikokuchūōEhime, Japan
    641.1×
  172. 174ZemunCentral Serbia, Serbia
    641.1×
  173. 174Nong Bua LamphuNong Bua Lamphu, Thailand
    641.1×
  174. 174MarseilleProvence-Alpes-Côte d'Azur, France
    641.1×
  175. 174Sremska MitrovicaVojvodina, Serbia
    641.1×
  176. 174Victoria de DurangoDurango, Mexico
    641.1×
  177. 174West MifflinPennsylvania, United States
    641.1×
  178. 180Jeju CityJeju-do, South Korea
    641.1×
  179. 180HachinoheAomori, Japan
    641.1×
  180. 180CharlotteNorth Carolina, United States
    641.1×
  181. 180Atlantic CityNew Jersey, United States
    641.1×
  182. 184YeonggwangJeollanam-do, South Korea
    641.1×
  183. 184Barrio de PeralMurcia, Spain
    641.1×
  184. 186PerpignanOccitanie, France
    631.1×
  185. 186Alto HospicioTarapacá, Chile
    631.1×
  186. 186MontgomeryAlabama, United States
    631.1×
  187. 186ClaytonNorth Carolina, United States
    631.1×
  188. 186GreensboroNorth Carolina, United States
    631.1×
  189. 186WheelingWest Virginia, United States
    631.1×
  190. 192LeskovacCentral Serbia, Serbia
    631.0×
  191. 192RichmondVirginia, United States
    631.0×
  192. 194Phra PradaengSamut Prakan, Thailand
    631.0×
  193. 194Klagenfurt am WörtherseeCarinthia, Austria
    631.0×
  194. 194CannesProvence-Alpes-Côte d'Azur, France
    631.0×
  195. 194OriaBasque Country, Spain
    631.0×
  196. 194NichelinoPiedmont, Italy
    631.0×
  197. 194GuadalajaraJalisco, Mexico
    631.0×
  198. 200Amnat CharoenAmnat Charoen, Thailand
    631.0×

Top 200 of 2,456 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

Not covered: the government monitoring networks of China and Turkey, which publish no terms that let us reuse their readings. Most cities there are missing from this board, not clean. Why.

Use this board

SmogRank, most polluted cities, PM2.5, June 25, 2025, smogrank.com/history/2025-06-25 (accessed 3 Oct 2026).

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