SmogRank / History / February 17, 2025

Most polluted cities on February 17, 2025

2,353 cities ranked by their average PM2.5 over the day; the worst was Dhaka, Bangladesh, at 196.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during February 17, 2025. All episodes.

← Dhaka 196.0 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for February 17, 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. 1Dhakalow-cost sensorsDhaka Division, Bangladesh
    27113.1×
  2. 2KrotoszynGreater Poland, Poland
    25311.9×
  3. 3Lahorelow-cost sensorsPunjab, Pakistan
    2189.5×
  4. 4RadomskoŁódź Voivodeship, Poland
    2028.5×
  5. 5Kampalalow-cost sensorsCentral Region, Uganda
    1917.5×
  6. 6KaliszGreater Poland, Poland
    1907.4×
  7. 7OtwockMazovia, Poland
    1887.2×
  8. 8PoznańGreater Poland, Poland
    1816.6×
  9. 9ŁaskŁódź Voivodeship, Poland
    1806.5×
  10. 10N'DjamenaN’Djaména, Chad
    1796.3×
  11. 11DelhiDelhi, India
    1776.2×
  12. 12Kathmandulow-cost sensorsBagmati Province, Nepal
    1766.1×
  13. 13OpoleOpole Voivodeship, Poland
    1735.8×
  14. 14PhraePhrae, Thailand
    1715.6×
  15. 15PhayaoPhayao, Thailand
    1695.4×
  16. 16StarachowiceŚwiętokrzyskie, Poland
    1665.1×
  17. 18SukhothaiSukhothai, Thailand
    1644.9×
  18. 19Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1634.8×
  19. 20DębicaSubcarpathia, Poland
    1634.8×
  20. 21NanNan, Thailand
    1634.8×
  21. 22Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1624.7×
  22. 23Almatylow-cost sensorsAlmaty, Kazakhstan
    1624.7×
  23. 24JarosławSubcarpathia, Poland
    1624.7×
  24. 25OstravaMoravian-Silesian Region, Czechia
    1614.6×
  25. 26Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    1604.6×
  26. 27KutnoŁódź Voivodeship, Poland
    1604.5×
  27. 28KielceŚwiętokrzyskie, Poland
    1594.5×
  28. 29ŻaryLubusz, Poland
    1594.4×
  29. 30Bielsko-BialaSilesia, Poland
    1584.4×
  30. 31YangonYangon, Myanmar
    1574.3×
  31. 32CairoCairo, Egypt
    1574.3×
  32. 33UttaraditUttaradit, Thailand
    1574.3×
  33. 34RadomMazovia, Poland
    1574.2×
  34. 35Islamabadlow-cost sensorsIslamabad, Pakistan
    1574.2×
  35. 35MumbaiMaharashtra, India
    1574.2×
  36. 37LubańLower Silesia, Poland
    1564.2×
  37. 38Ulan BatorUlaanbaatar, Mongolia
    1554.1×
  38. 39WłocławekKujawsko-Pomorskie, Poland
    1554.1×
  39. 40LamphunLamphun, Thailand
    1554.1×
  40. 41ŻyrardówMazovia, Poland
    1554.0×
  41. 42Czechowice-DziedziceSilesia, Poland
    1544.0×
  42. 43KanchanaburiKanchanaburi, Thailand
    1544.0×
  43. 44HavířovMoravian-Silesian Region, Czechia
    1533.9×
  44. 44Frýdek-MístekMoravian-Silesian Region, Czechia
    1533.9×
  45. 46HyderabadTelangana, India
    1533.9×
  46. 47KolkataWest Bengal, India
    1533.9×
  47. 48WawerMazovia, Poland
    1533.9×
  48. 49SalorTashkent Region, Uzbekistan
    1523.8×
  49. 50DejCluj County, Romania
    1523.8×
  50. 51MielecSubcarpathia, Poland
    1523.8×
  51. 52Karachilow-cost sensorsSindh, Pakistan
    1513.7×
  52. 53LublinLublin, Poland
    1513.7×
  53. 54ZamośćLublin, Poland
    1503.7×
  54. 54ŻywiecSilesia, Poland
    1503.7×
  55. 54Jastrzębie ZdrójSilesia, Poland
    1503.7×
  56. 57Skarżysko-KamiennaŚwiętokrzyskie, Poland
    1493.7×
  57. 57LoeiLoei, Thailand
    1493.7×
  58. 59BydgoszczKujawsko-Pomorskie, Poland
    1483.6×
  59. 60PhetchabunPhetchabun, Thailand
    1473.6×
  60. 61Buri RamBuriram, Thailand
    1463.6×
  61. 62RzeszówSubcarpathia, Poland
    1463.6×
  62. 63PhichitPhichit, Thailand
    1453.6×
  63. 64PruszkówMazovia, Poland
    1433.5×
  64. 65ChennaiTamil Nadu, India
    1423.5×
  65. 65SurinSurin, Thailand
    1423.5×
  66. 67DushanbeDushanbe, Tajikistan
    1413.4×
  67. 68ŁódźŁódź Voivodeship, Poland
    1393.4×
  68. 69Yerevanlow-cost sensorsYerevan, Armenia
    1383.4×
  69. 70Mae SaiChiang Rai, Thailand
    1373.3×
  70. 70ChaiyaphumChaiyaphum, Thailand
    1373.3×
  71. 70Chai NatChai Nat, Thailand
    1373.3×
  72. 73Tomaszów LubelskiLublin, Poland
    1363.3×
  73. 73Gorzów WielkopolskiLubusz, Poland
    1363.3×
  74. 75Banja LukaSrpska, Bosnia and Herzegovina
    1353.3×
  75. 76Valašské MeziříčíZlín, Czechia
    1343.3×
  76. 77Kamphaeng PhetKamphaeng Phet, Thailand
    1333.2×
  77. 77SulechówLubusz, Poland
    1333.2×
  78. 79YasothonYasothon, Thailand
    1333.2×
  79. 81KatowiceSilesia, Poland
    1323.2×
  80. 82Sing BuriSing Buri, Thailand
    1313.2×
  81. 83KłodzkoLower Silesia, Poland
    1313.2×
  82. 84JinchengFukien, Taiwan
    1313.2×
  83. 85Lop BuriLopburi, Thailand
    1303.2×
  84. 86Stodůlkylow-cost sensorsPrague, Czechia
    1303.1×
  85. 87Ubon RatchathaniUbon Ratchathani, Thailand
    1283.1×
  86. 88WarsawMazovia, Poland
    1273.1×
  87. 88Nakhon SawanNakhon Sawan, Thailand
    1273.1×
  88. 90Nakhon LuangPhra Nakhon Si Ayutthaya, Thailand
    1273.1×
  89. 91BaghdadBaghdad, Iraq
    1273.1×
  90. 92TřinecMoravian-Silesian Region, Czechia
    1273.1×
  91. 93NiskoSubcarpathia, Poland
    1263.1×
  92. 94Chiayi CityTaiwan, Taiwan
    1263.0×
  93. 94WrocławLower Silesia, Poland
    1263.0×
  94. 96Nakhon RatchasimaNakhon Ratchasima, Thailand
    1263.0×
  95. 97SiedlceMazovia, Poland
    1253.0×
  96. 98XinyingTaiwan, Taiwan
    1253.0×
  97. 98KoprivnicaKoprivnica-Križevci, Croatia
    1253.0×
  98. 100TarnówLesser Poland, Poland
    1243.0×
  99. 101Khon KaenKhon Kaen, Thailand
    1233.0×
  100. 102LillestrømAkershus, Norway
    1222.9×
  101. 103Winterthurlow-cost sensorsZurich, Switzerland
    1212.9×
  102. 103BellinzonaTicino, Switzerland
    1212.9×
  103. 105TainanTaiwan, Taiwan
    1212.9×
  104. 106MoulinsAuvergne-Rhône-Alpes, France
    1202.9×
  105. 107MeyzieuAuvergne-Rhône-Alpes, France
    1192.8×
  106. 108ErlunTaiwan, Taiwan
    1182.8×
  107. 109Prachin BuriPrachin Buri, Thailand
    1182.8×
  108. 109KalasinKalasin, Thailand
    1182.8×
  109. 111DěčínÚstí nad Labem Region, Czechia
    1172.8×
  110. 112SmederevoCentral Serbia, Serbia
    1162.8×
  111. 112Romans-sur-IsèreAuvergne-Rhône-Alpes, France
    1162.8×
  112. 114Si Maha PhotPrachin Buri, Thailand
    1162.8×
  113. 115Bang Pakonglow-cost sensorsChachoengsao, Thailand
    1162.8×
  114. 115DouliuTaiwan, Taiwan
    1162.8×
  115. 117FengshanTakao, Taiwan
    1152.7×
  116. 118Bourg-en-BresseAuvergne-Rhône-Alpes, France
    1142.7×
  117. 119AronaCanary Islands, Spain
    1142.7×
  118. 120KruševacCentral Serbia, Serbia
    1142.7×
  119. 121Khlong LuangPathum Thani, Thailand
    1142.7×
  120. 121KaohsiungTakao, Taiwan
    1142.7×
  121. 123LyonAuvergne-Rhône-Alpes, France
    1132.7×
  122. 124Konstancin-JeziornaMazovia, Poland
    1132.7×
  123. 125YongkangTaiwan, Taiwan
    1122.7×
  124. 126BeigangTaiwan, Taiwan
    1122.7×
  125. 127KraljevoCentral Serbia, Serbia
    1112.6×
  126. 127ZhushanTaiwan, Taiwan
    1112.6×
  127. 129VillefontaineAuvergne-Rhône-Alpes, France
    1102.6×
  128. 129Zagreblow-cost sensorsZagreb, Croatia
    1102.6×
  129. 131Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    1092.6×
  130. 132HanoiHanoi, Vietnam
    1092.6×
  131. 132Villefranche-sur-SaôneAuvergne-Rhône-Alpes, France
    1092.6×
  132. 134Jelenia GóraLower Silesia, Poland
    1092.6×
  133. 135MagongTaiwan, Taiwan
    1082.5×
  134. 135ErlinTaiwan, Taiwan
    1082.5×
  135. 135SarpsborgØstfold, Norway
    1082.5×
  136. 138LegionowoMazovia, Poland
    1072.5×
  137. 139Roi EtRoi Et, Thailand
    1072.5×
  138. 140GyőrGyőr-Moson-Sopron, Hungary
    1072.5×
  139. 140OpavaMoravian-Silesian Region, Czechia
    1072.5×
  140. 142Bang NaBangkok, Thailand
    1072.5×
  141. 142Wan ChaiWan Chai, Hong Kong
    1072.5×
  142. 144Kędzierzyn-KoźleOpole Voivodeship, Poland
    1062.5×
  143. 145LazarevacCentral Serbia, Serbia
    1062.5×
  144. 145Chiang MaiChiang Mai, Thailand
    1062.5×
  145. 145Khlong Sam WaBangkok, Thailand
    1062.5×
  146. 148Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1062.5×
  147. 148TaibaoTaiwan, Taiwan
    1062.5×
  148. 148XizhiTaipei, Taiwan
    1062.5×
  149. 151Nong Bua LamphuNong Bua Lamphu, Thailand
    1052.5×
  150. 152RatchaburiRatchaburi, Thailand
    1052.5×
  151. 152LoznicaCentral Serbia, Serbia
    1052.5×
  152. 154Maha SarakhamMaha Sarakham, Thailand
    1052.5×
  153. 154Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    1052.5×
  154. 156TaipeiTaiwan, Taiwan
    1042.5×
  155. 156KeelungTaiwan, Taiwan
    1042.5×
  156. 156GuangzhouGuangdong, China
    1042.5×
  157. 156Ferry PassFlorida, United States
    1042.5×
  158. 160KikindaVojvodina, Serbia
    1042.4×
  159. 161ProkupljeCentral Serbia, Serbia
    1032.4×
  160. 162BerounCentral Bohemia, Czechia
    1032.4×
  161. 162BrzegOpole Voivodeship, Poland
    1032.4×
  162. 164Khan Na YaoBangkok, Thailand
    1022.4×
  163. 165Chiang RaiChiang Rai, Thailand
    1022.4×
  164. 165NeiliTaiwan, Taiwan
    1022.4×
  165. 165LučenecBanská Bystrica Region, Slovakia
    1022.4×
  166. 165New Taipei CityTaipei, Taiwan
    1022.4×
  167. 169SaraburiSaraburi, Thailand
    1022.4×
  168. 170ValenceAuvergne-Rhône-Alpes, France
    1022.4×
  169. 171Abujalow-cost sensorsFCT, Nigeria
    1012.4×
  170. 172KragujevacCentral Serbia, Serbia
    1012.4×
  171. 172Port ArthurTexas, United States
    1012.4×
  172. 174Nakhon PathomNakhon Pathom, Thailand
    1002.4×
  173. 175Novi PazarCentral Serbia, Serbia
    1002.3×
  174. 176Nong ChokBangkok, Thailand
    992.3×
  175. 176ZhubeiTaiwan, Taiwan
    992.3×
  176. 176RennesBrittany, France
    992.3×
  177. 180Birminghamlow-cost sensorsEngland, United Kingdom
    992.3×
  178. 181SarajevoFederation of B&H, Bosnia and Herzegovina
    982.3×
  179. 182AranyaprathetSa Kaeo, Thailand
    982.3×
  180. 183Sremska MitrovicaVojvodina, Serbia
    982.3×
  181. 184ČačakCentral Serbia, Serbia
    972.3×
  182. 185CalafatDolj, Romania
    972.3×
  183. 185PrzemyślSubcarpathia, Poland
    972.3×
  184. 187KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    972.2×
  185. 187UžiceCentral Serbia, Serbia
    972.2×
  186. 189AnnemasseAuvergne-Rhône-Alpes, France
    972.2×
  187. 190ChanghuaTaiwan, Taiwan
    962.2×
  188. 190TaoyuanTaiwan, Taiwan
    962.2×
  189. 192YuanlinTaiwan, Taiwan
    962.2×
  190. 193PirotCentral Serbia, Serbia
    962.2×
  191. 193SanzhiTaipei, Taiwan
    962.2×
  192. 195TijuanaBaja California, Mexico
    962.2×
  193. 196NegotinCentral Serbia, Serbia
    962.2×
  194. 196ShulinTaipei, Taiwan
    962.2×
  195. 198NantouTaiwan, Taiwan
    952.2×
  196. 199Lak SiBangkok, Thailand
    952.2×
  197. 200ValenciaValencia, Spain
    952.2×

Top 200 of 2,353 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, February 17, 2025, smogrank.com/history/2025-02-17 (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.