SmogRank / History / February 28, 2024

Most polluted cities on February 28, 2024

1,860 cities ranked by their average PM2.5 over the day; the worst was Dhaka, Bangladesh, at 232.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during February 28, 2024. All episodes.

← Dhaka 232.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for February 28, 2024, 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
    31415.5×
  2. 2KolkataWest Bengal, India
    1867.1×
  3. 3TlaquepaqueJalisco, Mexico
    1846.8×
  4. 4SukhothaiSukhothai, Thailand
    1796.4×
  5. 5N'DjamenaN’Djaména, Chad
    1735.8×
  6. 6ShenyangLiaoning, China
    1685.3×
  7. 7Almatylow-cost sensorsAlmaty, Kazakhstan
    1675.2×
  8. 8Kathmandulow-cost sensorsBagmati Province, Nepal
    1644.9×
  9. 9Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1634.9×
  10. 10Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    1634.8×
  11. 11DushanbeDushanbe, Tajikistan
    1614.6×
  12. 12Islamabadlow-cost sensorsIslamabad, Pakistan
    1604.6×
  13. 13LampangLampang, Thailand
    1594.5×
  14. 14DelhiDelhi, India
    1574.2×
  15. 15DębicaSubcarpathia, Poland
    1564.2×
  16. 16Ulan BatorUlaanbaatar, Mongolia
    1554.1×
  17. 17Mae SaiChiang Rai, Thailand
    1554.1×
  18. 18Banja LukaSrpska, Bosnia and Herzegovina
    1554.1×
  19. 19SalorTashkent Region, Uzbekistan
    1544.0×
  20. 20MumbaiMaharashtra, India
    1543.9×
  21. 21NanNan, Thailand
    1543.9×
  22. 22KigaliKigali, Rwanda
    1533.9×
  23. 23KrakówLesser Poland, Poland
    1533.9×
  24. 23Jastrzębie ZdrójSilesia, Poland
    1533.9×
  25. 25LoeiLoei, Thailand
    1533.9×
  26. 26PljevljaPljevlja, Montenegro
    1533.9×
  27. 27UttaraditUttaradit, Thailand
    1533.9×
  28. 28TetovoTetovo, North Macedonia
    1523.8×
  29. 29Novi PazarCentral Serbia, Serbia
    1523.8×
  30. 30PhayaoPhayao, Thailand
    1523.8×
  31. 31Mae SotTak, Thailand
    1523.8×
  32. 32PhraePhrae, Thailand
    1513.7×
  33. 33PrzemyślSubcarpathia, Poland
    1513.7×
  34. 34Puerto MonttLos Lagos Region, Chile
    1503.7×
  35. 35Chai NatChai Nat, Thailand
    1493.7×
  36. 36LamphunLamphun, Thailand
    1493.7×
  37. 37Chiang MaiChiang Mai, Thailand
    1483.6×
  38. 38YangonYangon, Myanmar
    1473.6×
  39. 38Bielsko-BialaSilesia, Poland
    1473.6×
  40. 40PhichitPhichit, Thailand
    1463.6×
  41. 41KatowiceSilesia, Poland
    1453.6×
  42. 42DejCluj County, Romania
    1453.6×
  43. 42Czechowice-DziedziceSilesia, Poland
    1453.6×
  44. 44ZgierzŁódź Voivodeship, Poland
    1443.5×
  45. 45Lop BuriLopburi, Thailand
    1423.5×
  46. 46ŻywiecSilesia, Poland
    1393.4×
  47. 47CieszynSilesia, Poland
    1373.4×
  48. 48Sing BuriSing Buri, Thailand
    1373.3×
  49. 49BeijingBeijing, China
    1343.3×
  50. 50PhetchabunPhetchabun, Thailand
    1343.2×
  51. 51Nakhon SawanNakhon Sawan, Thailand
    1333.2×
  52. 52RadomskoŁódź Voivodeship, Poland
    1333.2×
  53. 53Karachilow-cost sensorsSindh, Pakistan
    1333.2×
  54. 53Nakhon RatchasimaNakhon Ratchasima, Thailand
    1333.2×
  55. 55OpoleOpole Voivodeship, Poland
    1323.2×
  56. 56Frýdek-MístekMoravian-Silesian Region, Czechia
    1313.2×
  57. 57Si Maha PhotPrachin Buri, Thailand
    1313.2×
  58. 58RatchaburiRatchaburi, Thailand
    1303.1×
  59. 59OstravaMoravian-Silesian Region, Czechia
    1293.1×
  60. 60JarosławSubcarpathia, Poland
    1283.1×
  61. 61Abujalow-cost sensorsFCT, Nigeria
    1273.1×
  62. 62GostivarGostivar, North Macedonia
    1263.0×
  63. 63SaraburiSaraburi, Thailand
    1253.0×
  64. 64PruszkówMazovia, Poland
    1243.0×
  65. 65TřinecMoravian-Silesian Region, Czechia
    1222.9×
  66. 66CairoCairo, Egypt
    1212.9×
  67. 66HavířovMoravian-Silesian Region, Czechia
    1212.9×
  68. 68HanoiHanoi, Vietnam
    1212.9×
  69. 69Chiang RaiChiang Rai, Thailand
    1202.9×
  70. 70Kamphaeng PhetKamphaeng Phet, Thailand
    1202.9×
  71. 71Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1192.9×
  72. 72ŁaskŁódź Voivodeship, Poland
    1182.8×
  73. 73San Salvador TizatlalliMéxico, Mexico
    1172.8×
  74. 74LegionowoMazovia, Poland
    1162.8×
  75. 75UžiceCentral Serbia, Serbia
    1152.7×
  76. 76Suphan BuriSuphan Buri, Thailand
    1132.7×
  77. 76KalasinKalasin, Thailand
    1132.7×
  78. 76ChaiyaphumChaiyaphum, Thailand
    1132.7×
  79. 79NiskoSubcarpathia, Poland
    1112.6×
  80. 80Khlong LuangPathum Thani, Thailand
    1102.6×
  81. 81TratTrat, Thailand
    1092.6×
  82. 82AranyaprathetSa Kaeo, Thailand
    1092.6×
  83. 83OpavaMoravian-Silesian Region, Czechia
    1092.6×
  84. 83Hradec KrálovéHradec Králové Region, Czechia
    1092.6×
  85. 85Alto HospicioTarapacá, Chile
    1082.6×
  86. 86Bang NaBangkok, Thailand
    1082.6×
  87. 87ZamośćLublin, Poland
    1082.6×
  88. 88Cluj-NapocaCluj County, Romania
    1072.5×
  89. 88RacibórzSilesia, Poland
    1072.5×
  90. 90OtwockMazovia, Poland
    1062.5×
  91. 91Lat KrabangBangkok, Thailand
    1062.5×
  92. 92MielecSubcarpathia, Poland
    1062.5×
  93. 93České BudějoviceSouth Bohemian Region, Czechia
    1062.5×
  94. 94Nong Bua LamphuNong Bua Lamphu, Thailand
    1052.5×
  95. 95ChaozhouTaiwan, Taiwan
    1052.5×
  96. 96RzeszówSubcarpathia, Poland
    1042.4×
  97. 97Nong ChokBangkok, Thailand
    1032.4×
  98. 97Khan Na YaoBangkok, Thailand
    1032.4×
  99. 99Wodzisław ŚląskiSilesia, Poland
    1022.4×
  100. 100KavadarciKavadarci, North Macedonia
    1022.4×
  101. 100Kędzierzyn-KoźleOpole Voivodeship, Poland
    1022.4×
  102. 102Valašské MeziříčíZlín, Czechia
    1022.4×
  103. 103KaliszGreater Poland, Poland
    1012.4×
  104. 104Bang KapiBangkok, Thailand
    1012.4×
  105. 105ŻyrardówMazovia, Poland
    1002.4×
  106. 106Skarżysko-KamiennaŚwiętokrzyskie, Poland
    1002.4×
  107. 106Nong KhaemBangkok, Thailand
    1002.4×
  108. 106Khon KaenKhon Kaen, Thailand
    1002.4×
  109. 109Saphan SungBangkok, Thailand
    1002.3×
  110. 110KielceŚwiętokrzyskie, Poland
    992.3×
  111. 111Nakhon NayokNakhon Nayok, Thailand
    992.3×
  112. 112ČadcaŽilina Region, Slovakia
    992.3×
  113. 113MiskolcBorsod-Abaúj-Zemplén, Hungary
    982.3×
  114. 114VeszprémVeszprém, Hungary
    982.3×
  115. 114KutnoŁódź Voivodeship, Poland
    982.3×
  116. 116Bueng KumBangkok, Thailand
    972.3×
  117. 117PułtuskMazovia, Poland
    972.2×
  118. 118KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    972.2×
  119. 118Konstancin-JeziornaMazovia, Poland
    972.2×
  120. 120HyderabadTelangana, India
    962.2×
  121. 121LublinLublin, Poland
    962.2×
  122. 121ChennaiTamil Nadu, India
    962.2×
  123. 121Ban Samae DamBangkok, Thailand
    962.2×
  124. 124PrešovPrešov Region, Slovakia
    962.2×
  125. 124StrumicaStrumica, North Macedonia
    962.2×
  126. 124Sai MaiBangkok, Thailand
    962.2×
  127. 127El PasoTexas, United States
    962.2×
  128. 128KanchanaburiKanchanaburi, Thailand
    962.2×
  129. 128ŽilinaŽilina Region, Slovakia
    962.2×
  130. 130SurinSurin, Thailand
    952.2×
  131. 130PřerovOlomouc Region, Czechia
    952.2×
  132. 132CelayaGuanajuato, Mexico
    952.2×
  133. 133GuangzhouGuangdong, China
    952.2×
  134. 134WarsawMazovia, Poland
    952.2×
  135. 134SarajevoFederation of B&H, Bosnia and Herzegovina
    952.2×
  136. 136Mueang NonthaburiNonthaburi, Thailand
    942.1×
  137. 137BangkokBangkok, Thailand
    932.1×
  138. 138SiedlceMazovia, Poland
    932.1×
  139. 138Buri RamBuriram, Thailand
    932.1×
  140. 140ŁódźŁódź Voivodeship, Poland
    932.1×
  141. 141Nakhon PathomNakhon Pathom, Thailand
    922.1×
  142. 142FengshanTakao, Taiwan
    922.1×
  143. 143Vranov nad TopľouPrešov Region, Slovakia
    912.1×
  144. 143PúchovTrenčín Region, Slovakia
    912.1×
  145. 145StarachowiceŚwiętokrzyskie, Poland
    912.0×
  146. 145PhetchaburiPhetchaburi, Thailand
    912.0×
  147. 147Botevgradlow-cost sensorsSofia, Bulgaria
    912.0×
  148. 148Kampalalow-cost sensorsCentral Region, Uganda
    912.0×
  149. 148WawerMazovia, Poland
    912.0×
  150. 148Tuen MunTuen Mun, Hong Kong
    912.0×
  151. 151KaunasKaunas, Lithuania
    902.0×
  152. 151TrenčínTrenčín Region, Slovakia
    902.0×
  153. 153ChanthaburiChanthaburi, Thailand
    902.0×
  154. 154TrebišovKošice Region, Slovakia
    902.0×
  155. 154ŁukówLublin, Poland
    902.0×
  156. 154Ban ChangRayong, Thailand
    902.0×
  157. 157BrnoSouth Moravian, Czechia
    892.0×
  158. 157Silao de la VictoriaGuanajuato, Mexico
    892.0×
  159. 159Bang Bo DistrictSamut Prakan, Thailand
    892.0×
  160. 160ZhushanTaiwan, Taiwan
    892.0×
  161. 161Phra PradaengSamut Prakan, Thailand
    881.9×
  162. 162DouliuTaiwan, Taiwan
    881.9×
  163. 162PardubicePardubice Region, Czechia
    881.9×
  164. 162KłodzkoLower Silesia, Poland
    881.9×
  165. 165KaohsiungTakao, Taiwan
    881.9×
  166. 166Hua HinPrachuap Khiri Khan, Thailand
    881.9×
  167. 167PoznańGreater Poland, Poland
    871.9×
  168. 168MukdahanMukdahan, Thailand
    871.9×
  169. 169Addis AbabaAddis Ababa, Ethiopia
    861.9×
  170. 169BeneventoCampania, Italy
    861.9×
  171. 171AstanaAstana, Kazakhstan
    861.9×
  172. 172Ban Khlong PrawetBangkok, Thailand
    861.9×
  173. 173TarnówLesser Poland, Poland
    861.8×
  174. 173MartinŽilina Region, Slovakia
    861.8×
  175. 175Tin Shui WaiYuen Long, Hong Kong
    851.8×
  176. 175LučenecBanská Bystrica Region, Slovakia
    851.8×
  177. 177JinchengFukien, Taiwan
    851.8×
  178. 178RadomMazovia, Poland
    851.8×
  179. 178JakartaJakarta, Indonesia
    851.8×
  180. 178PezinokBratislava Region, Slovakia
    851.8×
  181. 181KościanGreater Poland, Poland
    851.8×
  182. 182SenecBratislava Region, Slovakia
    851.8×
  183. 183Chiayi CityTaiwan, Taiwan
    841.8×
  184. 184HumennéPrešov Region, Slovakia
    841.8×
  185. 184Wan ChaiWan Chai, Hong Kong
    841.8×
  186. 186ŽideniceSouth Moravian, Czechia
    841.8×
  187. 187PrievidzaTrenčín Region, Slovakia
    841.8×
  188. 188ThessaloníkiCentral Macedonia, Greece
    831.8×
  189. 188Strzelce OpolskieOpole Voivodeship, Poland
    831.8×
  190. 188LimaLima Province, Peru
    831.8×
  191. 191GrajewoPodlasie, Poland
    831.8×
  192. 191EvatonGauteng, South Africa
    831.8×
  193. 193YongkangTaiwan, Taiwan
    831.8×
  194. 193TrnavaTrnava Region, Slovakia
    831.8×
  195. 195KošiceKošice Region, Slovakia
    831.7×
  196. 196MalackyBratislava Region, Slovakia
    831.7×
  197. 197Udon ThaniUdon Thani, Thailand
    821.7×
  198. 197RužomberokŽilina Region, Slovakia
    821.7×
  199. 199TainanTaiwan, Taiwan
    821.7×
  200. 199IrapuatoGuanajuato, Mexico
    821.7×

Top 200 of 1,860 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, February 28, 2024, smogrank.com/history/2024-02-28 (accessed 3 Oct 2026).

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