SmogRank / History / January 19, 2025

Most polluted cities on January 19, 2025

2,220 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 299.0 µg/m³. Each city's own local calendar day.

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

← Lahore 299.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for January 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. 1Lahorelow-cost sensorsPunjab, Pakistan
    44719.9×
  2. 2DelhiDelhi, India
    29414.6×
  3. 3KolkataWest Bengal, India
    24211.1×
  4. 4SarajevoFederation of B&H, Bosnia and Herzegovina
    2159.3×
  5. 5Dhakalow-cost sensorsDhaka Division, Bangladesh
    2109.0×
  6. 6MumbaiMaharashtra, India
    2048.6×
  7. 7HanoiHanoi, Vietnam
    2038.5×
  8. 8Ulan BatorUlaanbaatar, Mongolia
    2028.5×
  9. 9DushanbeDushanbe, Tajikistan
    1988.1×
  10. 10HyderabadTelangana, India
    1947.8×
  11. 11Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    1907.4×
  12. 12KrotoszynGreater Poland, Poland
    1877.1×
  13. 13Islamabadlow-cost sensorsIslamabad, Pakistan
    1867.0×
  14. 14Karachilow-cost sensorsSindh, Pakistan
    1836.7×
  15. 15Abujalow-cost sensorsFCT, Nigeria
    1826.7×
  16. 16Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1826.6×
  17. 17KielceŚwiętokrzyskie, Poland
    1816.5×
  18. 18Kathmandulow-cost sensorsBagmati Province, Nepal
    1776.2×
  19. 19ŻywiecSilesia, Poland
    1745.9×
  20. 20LubańLower Silesia, Poland
    1705.5×
  21. 21OpoleOpole Voivodeship, Poland
    1705.5×
  22. 23ŁaskŁódź Voivodeship, Poland
    1695.4×
  23. 24Bielsko-BialaSilesia, Poland
    1685.4×
  24. 25PhetchaburiPhetchaburi, Thailand
    1665.2×
  25. 25KaliszGreater Poland, Poland
    1665.2×
  26. 27RadomskoŁódź Voivodeship, Poland
    1665.1×
  27. 28ShanghaiShanghai, China
    1665.1×
  28. 29MielecSubcarpathia, Poland
    1655.0×
  29. 30DębicaSubcarpathia, Poland
    1634.8×
  30. 31Samut SakhonSamut Sakhon, Thailand
    1634.8×
  31. 32AranyaprathetSa Kaeo, Thailand
    1614.6×
  32. 33Skarżysko-KamiennaŚwiętokrzyskie, Poland
    1594.5×
  33. 34Ban PhaeoSamut Sakhon, Thailand
    1594.5×
  34. 35KłodzkoLower Silesia, Poland
    1584.4×
  35. 36KrakówLesser Poland, Poland
    1584.3×
  36. 37WrocławLower Silesia, Poland
    1584.3×
  37. 38ConakryConakry, Guinea
    1574.2×
  38. 39Jelenia GóraLower Silesia, Poland
    1564.2×
  39. 40StarachowiceŚwiętokrzyskie, Poland
    1564.2×
  40. 41Romans-sur-IsèreAuvergne-Rhône-Alpes, France
    1564.2×
  41. 42N'DjamenaN’Djaména, Chad
    1564.2×
  42. 43BrzegOpole Voivodeship, Poland
    1544.0×
  43. 44Khlong LuangPathum Thani, Thailand
    1533.9×
  44. 45PubalGyeonggi-do, South Korea
    1523.8×
  45. 46Almatylow-cost sensorsAlmaty, Kazakhstan
    1513.7×
  46. 47Lat KrabangBangkok, Thailand
    1513.7×
  47. 48Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    1493.7×
  48. 49LoeiLoei, Thailand
    1493.7×
  49. 50Botevgradlow-cost sensorsSofia, Bulgaria
    1463.6×
  50. 51Khlong Sam WaBangkok, Thailand
    1463.6×
  51. 52Nakhon LuangPhra Nakhon Si Ayutthaya, Thailand
    1463.6×
  52. 53Nakhon PathomNakhon Pathom, Thailand
    1453.6×
  53. 54Khon KaenKhon Kaen, Thailand
    1443.5×
  54. 55SukhothaiSukhothai, Thailand
    1443.5×
  55. 56Nong KhaemBangkok, Thailand
    1443.5×
  56. 56Buri RamBuriram, Thailand
    1443.5×
  57. 58RatchaburiRatchaburi, Thailand
    1423.5×
  58. 59JarosławSubcarpathia, Poland
    1413.5×
  59. 59Banja LukaSrpska, Bosnia and Herzegovina
    1413.5×
  60. 61KanchanaburiKanchanaburi, Thailand
    1403.4×
  61. 62Saphan SungBangkok, Thailand
    1403.4×
  62. 63Sing BuriSing Buri, Thailand
    1393.4×
  63. 64Icheon-siGyeonggi-do, South Korea
    1383.4×
  64. 65Lak SiBangkok, Thailand
    1383.4×
  65. 66Khan Na YaoBangkok, Thailand
    1373.3×
  66. 67Nong ChokBangkok, Thailand
    1373.3×
  67. 68Mueang NonthaburiNonthaburi, Thailand
    1363.3×
  68. 68Ban Samae DamBangkok, Thailand
    1363.3×
  69. 70Yangp'yŏngGyeonggi-do, South Korea
    1363.3×
  70. 71Nakhon RatchasimaNakhon Ratchasima, Thailand
    1353.3×
  71. 72ChumphonChumphon, Thailand
    1343.3×
  72. 73Lop BuriLopburi, Thailand
    1343.3×
  73. 73Bueng KumBangkok, Thailand
    1343.3×
  74. 75Ban Khlong PrawetBangkok, Thailand
    1343.2×
  75. 76MarignaneProvence-Alpes-Côte d'Azur, France
    1333.2×
  76. 76YamanashiYamanashi, Japan
    1333.2×
  77. 78Bang NaBangkok, Thailand
    1333.2×
  78. 79ŻaryLubusz, Poland
    1323.2×
  79. 80Si Maha PhotPrachin Buri, Thailand
    1313.2×
  80. 81KatowiceSilesia, Poland
    1313.2×
  81. 82CeljeUrban Municipality of Celje, Slovenia
    1293.1×
  82. 83Zielona GóraLubusz, Poland
    1293.1×
  83. 84ŁódźŁódź Voivodeship, Poland
    1293.1×
  84. 85ValenceAuvergne-Rhône-Alpes, France
    1283.1×
  85. 86PhetchabunPhetchabun, Thailand
    1273.1×
  86. 86KalasinKalasin, Thailand
    1273.1×
  87. 86Sai MaiBangkok, Thailand
    1273.1×
  88. 89BangkokBangkok, Thailand
    1273.1×
  89. 89ArlesProvence-Alpes-Côte d'Azur, France
    1273.1×
  90. 91LyonAuvergne-Rhône-Alpes, France
    1273.1×
  91. 92Chai NatChai Nat, Thailand
    1273.1×
  92. 93RzeszówSubcarpathia, Poland
    1263.1×
  93. 93NiskoSubcarpathia, Poland
    1263.1×
  94. 93Tuen MunTuen Mun, Hong Kong
    1263.1×
  95. 96Bang KapiBangkok, Thailand
    1263.0×
  96. 97Phra PradaengSamut Prakan, Thailand
    1263.0×
  97. 98Samut PrakanSamut Prakan, Thailand
    1253.0×
  98. 98Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1253.0×
  99. 98ToulouseOccitanie, France
    1253.0×
  100. 101Istanbullow-cost sensorsIstanbul, Turkey
    1253.0×
  101. 102TratTrat, Thailand
    1243.0×
  102. 103YangonYangon, Myanmar
    1233.0×
  103. 103Bang Bo DistrictSamut Prakan, Thailand
    1233.0×
  104. 105NanNan, Thailand
    1222.9×
  105. 105Kędzierzyn-KoźleOpole Voivodeship, Poland
    1222.9×
  106. 107Nakhon SawanNakhon Sawan, Thailand
    1212.9×
  107. 107YeojuGyeonggi-do, South Korea
    1212.9×
  108. 107KranjUrban Municipality of Kranj, Slovenia
    1212.9×
  109. 110Ban ChangRayong, Thailand
    1202.9×
  110. 111San Tung Chung HangIslands, Hong Kong
    1192.9×
  111. 112YasothonYasothon, Thailand
    1192.8×
  112. 112RayongRayong, Thailand
    1192.8×
  113. 114Udon ThaniUdon Thani, Thailand
    1182.8×
  114. 114SaraburiSaraburi, Thailand
    1182.8×
  115. 116Prachin BuriPrachin Buri, Thailand
    1172.8×
  116. 117GuangzhouGuangdong, China
    1172.8×
  117. 118SalorTashkent Region, Uzbekistan
    1162.8×
  118. 118SurinSurin, Thailand
    1162.8×
  119. 120Haskovolow-cost sensorsHaskovo, Bulgaria
    1162.8×
  120. 120Maha SarakhamMaha Sarakham, Thailand
    1162.8×
  121. 122Novo MestoUrban Municipality of Novo Mesto, Slovenia
    1152.8×
  122. 123Sevlievolow-cost sensorsGabrovo, Bulgaria
    1152.7×
  123. 123Mae SotTak, Thailand
    1152.7×
  124. 125GrenobleAuvergne-Rhône-Alpes, France
    1142.7×
  125. 126YŏnmuChungcheongnam-do, South Korea
    1142.7×
  126. 126CottbusBrandenburg, Germany
    1142.7×
  127. 126NancyGrand Est, France
    1142.7×
  128. 126Czechowice-DziedziceSilesia, Poland
    1142.7×
  129. 130KigaliKigali, Rwanda
    1142.7×
  130. 130Laem ChabangChon Buri, Thailand
    1142.7×
  131. 132PhichitPhichit, Thailand
    1132.7×
  132. 133JasłoSubcarpathia, Poland
    1122.7×
  133. 134GwangjuGyeonggi-do, South Korea
    1122.7×
  134. 135JungpyongNorth Chungcheong, South Korea
    1112.6×
  135. 136PhraePhrae, Thailand
    1112.6×
  136. 136PtujUrban Municipality of Ptuj, Slovenia
    1112.6×
  137. 138SchiedamSouth Holland, The Netherlands
    1112.6×
  138. 139PrzemyślSubcarpathia, Poland
    1102.6×
  139. 140ChennaiTamil Nadu, India
    1102.6×
  140. 140MeylanAuvergne-Rhône-Alpes, France
    1102.6×
  141. 142PopradPrešov Region, Slovakia
    1102.6×
  142. 142KehlBaden-Wurttemberg, Germany
    1102.6×
  143. 142MontpellierOccitanie, France
    1102.6×
  144. 145Dimitrovgradlow-cost sensorsHaskovo, Bulgaria
    1092.6×
  145. 145Si Sa KetSi Sa Ket, Thailand
    1092.6×
  146. 147Tin Shui WaiYuen Long, Hong Kong
    1092.6×
  147. 147HwadoGyeonggi-do, South Korea
    1092.6×
  148. 149SeonghwanChungcheongnam-do, South Korea
    1092.6×
  149. 150LampangLampang, Thailand
    1082.6×
  150. 150ManlleuCatalonia, Spain
    1082.6×
  151. 150NogalesSonora, Mexico
    1082.6×
  152. 153OberhausenNorth Rhine-Westphalia, Germany
    1082.6×
  153. 154MariborUrban Municipality of Maribor, Slovenia
    1072.5×
  154. 155TrbovljeMunicipality of Trbovlje, Slovenia
    1072.5×
  155. 156Cheongju-siNorth Chungcheong, South Korea
    1072.5×
  156. 157ChuncheonGangwon-do, South Korea
    1062.5×
  157. 159LjubljanaLjubljana, Slovenia
    1062.5×
  158. 160CairoCairo, Egypt
    1052.5×
  159. 161Amnat CharoenAmnat Charoen, Thailand
    1052.5×
  160. 162PyeongtaekGyeonggi-do, South Korea
    1042.5×
  161. 163Suphan BuriSuphan Buri, Thailand
    1042.4×
  162. 164TarnówLesser Poland, Poland
    1042.4×
  163. 164Mae SaiChiang Rai, Thailand
    1042.4×
  164. 164UttaraditUttaradit, Thailand
    1042.4×
  165. 164DuisburgNorth Rhine-Westphalia, Germany
    1042.4×
  166. 168MukdahanMukdahan, Thailand
    1032.4×
  167. 169IzegemFlanders, Belgium
    1032.4×
  168. 170The HagueSouth Holland, The Netherlands
    1022.4×
  169. 170GrimbergenFlanders, Belgium
    1022.4×
  170. 172Wan ChaiWan Chai, Hong Kong
    1022.4×
  171. 172ReimsGrand Est, France
    1022.4×
  172. 174IksanJeollabuk-do, South Korea
    1022.4×
  173. 174BensheimHesse, Germany
    1022.4×
  174. 176ShenyangLiaoning, China
    1022.4×
  175. 177Roi EtRoi Et, Thailand
    1012.4×
  176. 178Ubon RatchathaniUbon Ratchathani, Thailand
    1012.4×
  177. 178DortmundNorth Rhine-Westphalia, Germany
    1012.4×
  178. 178SejongSejong-si, South Korea
    1012.4×
  179. 181RoeselareFlanders, Belgium
    1002.4×
  180. 181AntwerpFlanders, Belgium
    1002.4×
  181. 183ChungjuNorth Chungcheong, South Korea
    1002.4×
  182. 184RuseRuse, Bulgaria
    1002.3×
  183. 184TarbesOccitanie, France
    1002.3×
  184. 186Gabrovolow-cost sensorsGabrovo, Bulgaria
    992.3×
  185. 186Villefranche-sur-SaôneAuvergne-Rhône-Alpes, France
    992.3×
  186. 188GunsanJeollabuk-do, South Korea
    992.3×
  187. 188MaldegemFlanders, Belgium
    992.3×
  188. 190KapellenFlanders, Belgium
    992.3×
  189. 191LochristiFlanders, Belgium
    992.3×
  190. 191TijuanaBaja California, Mexico
    992.3×
  191. 193ZaventemFlanders, Belgium
    992.3×
  192. 194EisenhüttenstadtBrandenburg, Germany
    992.3×
  193. 195Chinch'ŏnNorth Chungcheong, South Korea
    982.3×
  194. 195WabuGyeonggi-do, South Korea
    982.3×
  195. 197AnseongGyeonggi-do, South Korea
    982.3×
  196. 198Hua HinPrachuap Khiri Khan, Thailand
    982.3×
  197. 198Guri-siGyeonggi-do, South Korea
    982.3×
  198. 198CheorwonGangwon-do, South Korea
    982.3×

Top 200 of 2,220 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

Use this board

SmogRank, most polluted cities, PM2.5, January 19, 2025, smogrank.com/history/2025-01-19 (accessed 2 Oct 2026).

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.