SmogRank / History / February 12, 2025

Most polluted cities on February 12, 2025

1,871 cities ranked by their average PM2.5 over the day; the worst was N'Djamena, Chad, at 218.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during February 12, 2025. All episodes.

← N'Djamena 218.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for February 12, 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. 1N'DjamenaN’Djaména, Chad
    29314.5×
  2. 2Novi PazarCentral Serbia, Serbia
    2018.4×
  3. 3TravnikFederation of B&H, Bosnia and Herzegovina
    1998.3×
  4. 4LeskovacCentral Serbia, Serbia
    1947.8×
  5. 5Karachilow-cost sensorsSindh, Pakistan
    1937.7×
  6. 6Dhakalow-cost sensorsDhaka Division, Bangladesh
    1917.5×
  7. 7DushanbeDushanbe, Tajikistan
    1917.5×
  8. 8Ulan BatorUlaanbaatar, Mongolia
    1897.3×
  9. 9NegotinCentral Serbia, Serbia
    1867.1×
  10. 10HanoiHanoi, Vietnam
    1816.6×
  11. 11NacimientoBiobio, Chile
    1786.3×
  12. 12ProkupljeCentral Serbia, Serbia
    1776.2×
  13. 13SarajevoFederation of B&H, Bosnia and Herzegovina
    1756.0×
  14. 14ValjevoCentral Serbia, Serbia
    1745.9×
  15. 15Samut SakhonSamut Sakhon, Thailand
    1745.9×
  16. 16ŻywiecSilesia, Poland
    1745.8×
  17. 17Kampalalow-cost sensorsCentral Region, Uganda
    1735.8×
  18. 18KolkataWest Bengal, India
    1735.8×
  19. 19UžiceCentral Serbia, Serbia
    1725.7×
  20. 20Banja LukaSrpska, Bosnia and Herzegovina
    1725.7×
  21. 21Kathmandulow-cost sensorsBagmati Province, Nepal
    1715.6×
  22. 22Bielsko-BialaSilesia, Poland
    1715.6×
  23. 23Lahorelow-cost sensorsPunjab, Pakistan
    1705.5×
  24. 24VranjeCentral Serbia, Serbia
    1675.3×
  25. 25DelhiDelhi, India
    1675.2×
  26. 26MumbaiMaharashtra, India
    1665.2×
  27. 27LoznicaCentral Serbia, Serbia
    1665.1×
  28. 28OpoleOpole Voivodeship, Poland
    1645.0×
  29. 29Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    1624.8×
  30. 30Bang NaBangkok, Thailand
    1624.8×
  31. 31KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    1624.7×
  32. 32HyderabadTelangana, India
    1614.7×
  33. 33Khan Na YaoBangkok, Thailand
    1604.6×
  34. 34ČačakCentral Serbia, Serbia
    1594.5×
  35. 35BihaćFederation of B&H, Bosnia and Herzegovina
    1594.5×
  36. 36NyíregyházaSzabolcs-Szatmár-Bereg, Hungary
    1594.4×
  37. 37Abujalow-cost sensorsFCT, Nigeria
    1594.4×
  38. 38LubańLower Silesia, Poland
    1584.4×
  39. 40Phra PradaengSamut Prakan, Thailand
    1584.4×
  40. 41Zagreblow-cost sensorsZagreb, Croatia
    1584.4×
  41. 42Ban PhaeoSamut Sakhon, Thailand
    1584.3×
  42. 43Lat KrabangBangkok, Thailand
    1574.3×
  43. 44Khlong Sam WaBangkok, Thailand
    1564.2×
  44. 45PhetchaburiPhetchaburi, Thailand
    1564.1×
  45. 46Islamabadlow-cost sensorsIslamabad, Pakistan
    1554.1×
  46. 47DejCluj County, Romania
    1554.1×
  47. 48MiskolcBorsod-Abaúj-Zemplén, Hungary
    1554.1×
  48. 49Stodůlkylow-cost sensorsPrague, Czechia
    1554.1×
  49. 49KrotoszynGreater Poland, Poland
    1554.1×
  50. 51PtujUrban Municipality of Ptuj, Slovenia
    1554.1×
  51. 52Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1554.0×
  52. 52Saphan SungBangkok, Thailand
    1554.0×
  53. 54PristinaPristina, Kosovo
    1544.0×
  54. 55Nong ChokBangkok, Thailand
    1544.0×
  55. 55Ban Talat BuengChon Buri, Thailand
    1544.0×
  56. 57Novo MestoUrban Municipality of Novo Mesto, Slovenia
    1544.0×
  57. 58CeljeUrban Municipality of Celje, Slovenia
    1544.0×
  58. 59CalafatDolj, Romania
    1544.0×
  59. 59HualquiBiobio, Chile
    1544.0×
  60. 61RayongRayong, Thailand
    1533.9×
  61. 61KrakówLesser Poland, Poland
    1533.9×
  62. 63Prachin BuriPrachin Buri, Thailand
    1533.9×
  63. 64Bueng KumBangkok, Thailand
    1533.9×
  64. 65PhayaoPhayao, Thailand
    1533.9×
  65. 65Nakhon LuangPhra Nakhon Si Ayutthaya, Thailand
    1533.9×
  66. 67Nong KhaemBangkok, Thailand
    1533.8×
  67. 68Nakhon PathomNakhon Pathom, Thailand
    1523.8×
  68. 68PoznańGreater Poland, Poland
    1523.8×
  69. 70Ban Samae DamBangkok, Thailand
    1523.8×
  70. 71Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    1523.8×
  71. 72MariborUrban Municipality of Maribor, Slovenia
    1523.8×
  72. 73Bang Bo DistrictSamut Prakan, Thailand
    1513.7×
  73. 74ZaječarCentral Serbia, Serbia
    1513.7×
  74. 75KanchanaburiKanchanaburi, Thailand
    1503.7×
  75. 76Ban Khlong PrawetBangkok, Thailand
    1503.7×
  76. 76AranyaprathetSa Kaeo, Thailand
    1503.7×
  77. 78ShanghaiShanghai, China
    1493.7×
  78. 79PhraePhrae, Thailand
    1493.7×
  79. 79BangkokBangkok, Thailand
    1493.7×
  80. 81Yerevanlow-cost sensorsYerevan, Armenia
    1493.7×
  81. 82Lak SiBangkok, Thailand
    1493.7×
  82. 83Almatylow-cost sensorsAlmaty, Kazakhstan
    1483.6×
  83. 83Ban ChangRayong, Thailand
    1483.6×
  84. 85ŚwinoujścieWest Pomerania, Poland
    1483.6×
  85. 86Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1473.6×
  86. 86ChiguayanteBiobio, Chile
    1473.6×
  87. 88Czechowice-DziedziceSilesia, Poland
    1473.6×
  88. 89Bang KapiBangkok, Thailand
    1473.6×
  89. 90RatchaburiRatchaburi, Thailand
    1463.6×
  90. 91Khlong LuangPathum Thani, Thailand
    1453.6×
  91. 92RzeszówSubcarpathia, Poland
    1443.5×
  92. 93Jastrzębie ZdrójSilesia, Poland
    1443.5×
  93. 93Gorzów WielkopolskiLubusz, Poland
    1443.5×
  94. 95KłodzkoLower Silesia, Poland
    1433.5×
  95. 96LampangLampang, Thailand
    1433.5×
  96. 97Samut PrakanSamut Prakan, Thailand
    1423.5×
  97. 98YangonYangon, Myanmar
    1423.5×
  98. 98KaliszGreater Poland, Poland
    1423.5×
  99. 100Kędzierzyn-KoźleOpole Voivodeship, Poland
    1413.4×
  100. 101Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1393.4×
  101. 102PirotCentral Serbia, Serbia
    1393.4×
  102. 103NanNan, Thailand
    1363.3×
  103. 104Laem ChabangChon Buri, Thailand
    1363.3×
  104. 105Sai MaiBangkok, Thailand
    1343.3×
  105. 106SzczecinWest Pomerania, Poland
    1343.3×
  106. 107TrbovljeMunicipality of Trbovlje, Slovenia
    1333.2×
  107. 108PrzemyślSubcarpathia, Poland
    1323.2×
  108. 108Si Maha PhotPrachin Buri, Thailand
    1323.2×
  109. 110Skarżysko-KamiennaŚwiętokrzyskie, Poland
    1323.2×
  110. 111TratTrat, Thailand
    1313.2×
  111. 111Zielona GóraLubusz, Poland
    1313.2×
  112. 113SulechówLubusz, Poland
    1313.2×
  113. 114ŁaskŁódź Voivodeship, Poland
    1313.2×
  114. 115Istanbullow-cost sensorsIstanbul, Turkey
    1303.1×
  115. 115KraljevoCentral Serbia, Serbia
    1303.1×
  116. 115WolfsbergCarinthia, Austria
    1303.1×
  117. 118BaghdadBaghdad, Iraq
    1293.1×
  118. 119Mueang NonthaburiNonthaburi, Thailand
    1293.1×
  119. 119Klagenfurt am WörtherseeCarinthia, Austria
    1293.1×
  120. 121KranjUrban Municipality of Kranj, Slovenia
    1293.1×
  121. 122Khon KaenKhon Kaen, Thailand
    1283.1×
  122. 123KruševacCentral Serbia, Serbia
    1283.1×
  123. 124ChanthaburiChanthaburi, Thailand
    1273.1×
  124. 125Sing BuriSing Buri, Thailand
    1273.1×
  125. 126Mae SaiChiang Rai, Thailand
    1263.0×
  126. 127WłocławekKujawsko-Pomorskie, Poland
    1253.0×
  127. 128KalasinKalasin, Thailand
    1253.0×
  128. 128ŻaryLubusz, Poland
    1253.0×
  129. 130Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1243.0×
  130. 131SalorTashkent Region, Uzbekistan
    1222.9×
  131. 132BorCentral Serbia, Serbia
    1212.9×
  132. 133MunsanGyeonggi-do, South Korea
    1212.9×
  133. 134KatowiceSilesia, Poland
    1202.9×
  134. 135Birminghamlow-cost sensorsEngland, United Kingdom
    1202.9×
  135. 136DębicaSubcarpathia, Poland
    1202.9×
  136. 136UttaraditUttaradit, Thailand
    1202.9×
  137. 138BydgoszczKujawsko-Pomorskie, Poland
    1192.9×
  138. 139ToruńKujawsko-Pomorskie, Poland
    1192.8×
  139. 139Los ÁngelesBiobio, Chile
    1192.8×
  140. 141WrocławLower Silesia, Poland
    1182.8×
  141. 142KielceŚwiętokrzyskie, Poland
    1182.8×
  142. 143MedemblikNorth Holland, The Netherlands
    1172.8×
  143. 144ŁódźŁódź Voivodeship, Poland
    1162.8×
  144. 145StarachowiceŚwiętokrzyskie, Poland
    1162.8×
  145. 145Lop BuriLopburi, Thailand
    1162.8×
  146. 147PhetchabunPhetchabun, Thailand
    1152.7×
  147. 148Botevgradlow-cost sensorsSofia, Bulgaria
    1142.7×
  148. 148SaraburiSaraburi, Thailand
    1142.7×
  149. 148KutnoŁódź Voivodeship, Poland
    1142.7×
  150. 151OtwockMazovia, Poland
    1132.7×
  151. 152Cluj-NapocaCluj County, Romania
    1132.7×
  152. 152GdyniaPomerania, Poland
    1132.7×
  153. 154LjubljanaLjubljana, Slovenia
    1122.7×
  154. 155ŻyrardówMazovia, Poland
    1112.6×
  155. 156ChumphonChumphon, Thailand
    1102.6×
  156. 157LublinLublin, Poland
    1092.6×
  157. 158CairoCairo, Egypt
    1092.6×
  158. 158Haskovolow-cost sensorsHaskovo, Bulgaria
    1092.6×
  159. 160NiskoSubcarpathia, Poland
    1092.6×
  160. 161PhichitPhichit, Thailand
    1082.6×
  161. 162Nakhon SawanNakhon Sawan, Thailand
    1082.5×
  162. 163Ganghwa-gunIncheon, South Korea
    1072.5×
  163. 164Kamphaeng PhetKamphaeng Phet, Thailand
    1072.5×
  164. 165Maha SarakhamMaha Sarakham, Thailand
    1072.5×
  165. 165LoeiLoei, Thailand
    1072.5×
  166. 167GuangzhouGuangdong, China
    1062.5×
  167. 167PubalGyeonggi-do, South Korea
    1062.5×
  168. 169Tomaszów LubelskiLublin, Poland
    1062.5×
  169. 170RadomMazovia, Poland
    1052.5×
  170. 170ŠabacCentral Serbia, Serbia
    1052.5×
  171. 172LamphunLamphun, Thailand
    1052.5×
  172. 172Nakhon RatchasimaNakhon Ratchasima, Thailand
    1052.5×
  173. 174Sevlievolow-cost sensorsGabrovo, Bulgaria
    1052.5×
  174. 175KołobrzegWest Pomerania, Poland
    1042.5×
  175. 176ChennaiTamil Nadu, India
    1042.5×
  176. 176GroningenGroningen, The Netherlands
    1042.5×
  177. 178WŏnjuGangwon-do, South Korea
    1042.4×
  178. 178Columbialow-cost sensorsMissouri, United States
    1042.4×
  179. 180MielecSubcarpathia, Poland
    1032.4×
  180. 181YeongjuGyeongsangbuk-do, South Korea
    1032.4×
  181. 183IaşiIași County, Romania
    1022.4×
  182. 183ĆuprijaCentral Serbia, Serbia
    1022.4×
  183. 185EnschedeOverijssel, The Netherlands
    1012.4×
  184. 186Gimpo-siGyeonggi-do, South Korea
    1002.4×
  185. 186HayangGyeongsangbuk-do, South Korea
    1002.4×
  186. 188SmederevoCentral Serbia, Serbia
    1002.4×
  187. 188GyálPest County, Hungary
    1002.4×
  188. 190JinchengFukien, Taiwan
    992.3×
  189. 191WarsawMazovia, Poland
    992.3×
  190. 191Konstancin-JeziornaMazovia, Poland
    992.3×
  191. 193SeonghwanChungcheongnam-do, South Korea
    992.3×
  192. 194KościerzynaPomerania, Poland
    982.3×
  193. 194SejongSejong-si, South Korea
    982.3×
  194. 196GumiGyeongsangbuk-do, South Korea
    982.3×
  195. 197Dubailow-cost sensorsDubai, United Arab Emirates
    982.3×
  196. 198Gabrovolow-cost sensorsGabrovo, Bulgaria
    972.3×
  197. 198KikindaVojvodina, Serbia
    972.3×
  198. 200Roi EtRoi Et, Thailand
    972.3×

Top 200 of 1,871 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, February 12, 2025, smogrank.com/history/2025-02-12 (accessed 2 Oct 2026).

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