SmogRank / History / March 6, 2024

Most polluted cities on March 6, 2024

2,186 cities ranked by their average PM2.5 over the day; the worst was Dhaka, Bangladesh, at 140.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during March 6, 2024. All episodes.

← Dhaka 140.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for March 6, 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
    2159.3×
  2. 2SukhothaiSukhothai, Thailand
    1998.3×
  3. 3LampangLampang, Thailand
    1867.0×
  4. 4PhraePhrae, Thailand
    1836.7×
  5. 5Mae SaiChiang Rai, Thailand
    1816.5×
  6. 6HanoiHanoi, Vietnam
    1816.5×
  7. 7Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1806.5×
  8. 8LoeiLoei, Thailand
    1806.4×
  9. 9Lahorelow-cost sensorsPunjab, Pakistan
    1796.3×
  10. 10NanNan, Thailand
    1705.6×
  11. 11KolkataWest Bengal, India
    1685.3×
  12. 12Mae SotTak, Thailand
    1675.2×
  13. 13LamphunLamphun, Thailand
    1634.8×
  14. 14DushanbeDushanbe, Tajikistan
    1614.6×
  15. 15Chiang MaiChiang Mai, Thailand
    1604.6×
  16. 16Almatylow-cost sensorsAlmaty, Kazakhstan
    1594.5×
  17. 17DelhiDelhi, India
    1584.4×
  18. 18Udon ThaniUdon Thani, Thailand
    1584.4×
  19. 19Karachilow-cost sensorsSindh, Pakistan
    1564.2×
  20. 20KalasinKalasin, Thailand
    1554.1×
  21. 21MukdahanMukdahan, Thailand
    1544.0×
  22. 22Sakon NakhonSakon Nakhon, Thailand
    1533.9×
  23. 23Chiang RaiChiang Rai, Thailand
    1533.8×
  24. 24YangonYangon, Myanmar
    1523.8×
  25. 25UttaraditUttaradit, Thailand
    1523.8×
  26. 26Amnat CharoenAmnat Charoen, Thailand
    1433.5×
  27. 27Nong Bua LamphuNong Bua Lamphu, Thailand
    1423.5×
  28. 28BitolaBitola, North Macedonia
    1343.3×
  29. 29Kathmandulow-cost sensorsBagmati Province, Nepal
    1333.2×
  30. 30RadomskoŁódź Voivodeship, Poland
    1323.2×
  31. 31Khon KaenKhon Kaen, Thailand
    1303.1×
  32. 32Novi PazarCentral Serbia, Serbia
    1293.1×
  33. 33ŁaskŁódź Voivodeship, Poland
    1283.1×
  34. 34MumbaiMaharashtra, India
    1263.0×
  35. 35HyderabadTelangana, India
    1253.0×
  36. 36Ubon RatchathaniUbon Ratchathani, Thailand
    1243.0×
  37. 37KanchanaburiKanchanaburi, Thailand
    1202.9×
  38. 37BeijingBeijing, China
    1202.9×
  39. 39SalorTashkent Region, Uzbekistan
    1192.9×
  40. 39SzczecinWest Pomerania, Poland
    1192.9×
  41. 41Nakhon SawanNakhon Sawan, Thailand
    1192.8×
  42. 42Wan ChaiWan Chai, Hong Kong
    1182.8×
  43. 43KościanGreater Poland, Poland
    1172.8×
  44. 44KaliszGreater Poland, Poland
    1162.8×
  45. 45PhichitPhichit, Thailand
    1152.7×
  46. 46RabinalBaja Verapaz, Guatemala
    1142.7×
  47. 47Chai NatChai Nat, Thailand
    1122.7×
  48. 48BloemfonteinFree State, South Africa
    1112.6×
  49. 48ChennaiTamil Nadu, India
    1112.6×
  50. 50Nakhon RatchasimaNakhon Ratchasima, Thailand
    1112.6×
  51. 51ColomboWestern Province, Sri Lanka
    1102.6×
  52. 52CairoCairo, Egypt
    1092.6×
  53. 53LazarevacCentral Serbia, Serbia
    1092.6×
  54. 54ChaiyaphumChaiyaphum, Thailand
    1082.6×
  55. 55PoznańGreater Poland, Poland
    1082.6×
  56. 56PhetchabunPhetchabun, Thailand
    1082.6×
  57. 56SarajevoFederation of B&H, Bosnia and Herzegovina
    1082.6×
  58. 58ZemunCentral Serbia, Serbia
    1062.5×
  59. 59OstravaMoravian-Silesian Region, Czechia
    1052.5×
  60. 60Si Maha PhotPrachin Buri, Thailand
    1032.4×
  61. 61RacibórzSilesia, Poland
    1032.4×
  62. 62KadaňÚstí nad Labem Region, Czechia
    1022.4×
  63. 63Roi EtRoi Et, Thailand
    1022.4×
  64. 64Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1012.4×
  65. 65Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    1002.4×
  66. 66SurinSurin, Thailand
    1002.4×
  67. 66Lop BuriLopburi, Thailand
    1002.4×
  68. 68Jastrzębie ZdrójSilesia, Poland
    992.3×
  69. 69UžiceCentral Serbia, Serbia
    982.3×
  70. 70Si Sa KetSi Sa Ket, Thailand
    982.3×
  71. 71MünsterNorth Rhine-Westphalia, Germany
    982.3×
  72. 72RatchaburiRatchaburi, Thailand
    972.3×
  73. 73KladnoCentral Bohemia, Czechia
    972.3×
  74. 74IaşiIași County, Romania
    972.2×
  75. 75Schwedt (Oder)Brandenburg, Germany
    962.2×
  76. 75Bielsko-BialaSilesia, Poland
    962.2×
  77. 77PraguePrague, Czechia
    962.2×
  78. 77Banja LukaSrpska, Bosnia and Herzegovina
    962.2×
  79. 79HavířovMoravian-Silesian Region, Czechia
    942.2×
  80. 80NišCentral Serbia, Serbia
    942.1×
  81. 81BaghdadBaghdad, Iraq
    942.1×
  82. 81PhuketPhuket, Thailand
    942.1×
  83. 81KatowiceSilesia, Poland
    942.1×
  84. 84BerounCentral Bohemia, Czechia
    932.1×
  85. 84BogatyniaLower Silesia, Poland
    932.1×
  86. 86LiberecLiberec Region, Czechia
    932.1×
  87. 87TřinecMoravian-Silesian Region, Czechia
    932.1×
  88. 88MostÚstí nad Labem Region, Czechia
    932.1×
  89. 88ZgierzŁódź Voivodeship, Poland
    932.1×
  90. 90Mladá BoleslavCentral Bohemia, Czechia
    932.1×
  91. 91Buri RamBuriram, Thailand
    922.1×
  92. 92EdinburgTexas, United States
    922.1×
  93. 93PilsenPlzeň Region, Czechia
    922.1×
  94. 93CieszynSilesia, Poland
    922.1×
  95. 95ObrenovacCentral Serbia, Serbia
    912.0×
  96. 96BelgradeCentral Serbia, Serbia
    912.0×
  97. 96Sing BuriSing Buri, Thailand
    912.0×
  98. 96WłocławekKujawsko-Pomorskie, Poland
    912.0×
  99. 99TetovoTetovo, North Macedonia
    902.0×
  100. 99Abujalow-cost sensorsFCT, Nigeria
    902.0×
  101. 101Tuen MunTuen Mun, Hong Kong
    902.0×
  102. 101Mong KokYau Tsim Mong District, Hong Kong
    902.0×
  103. 101Valašské MeziříčíZlín, Czechia
    902.0×
  104. 101OpoleOpole Voivodeship, Poland
    902.0×
  105. 105Wodzisław ŚląskiSilesia, Poland
    902.0×
  106. 106IJsselsteinUtrecht, The Netherlands
    892.0×
  107. 106PardubicePardubice Region, Czechia
    892.0×
  108. 106MissionTexas, United States
    892.0×
  109. 109BakuBaki, Azerbaijan
    892.0×
  110. 109PančevoVojvodina, Serbia
    892.0×
  111. 109ĆuprijaCentral Serbia, Serbia
    892.0×
  112. 109LitvínovÚstí nad Labem Region, Czechia
    892.0×
  113. 113DěčínÚstí nad Labem Region, Czechia
    892.0×
  114. 113WrocławLower Silesia, Poland
    892.0×
  115. 113CelayaGuanajuato, Mexico
    892.0×
  116. 116ŻywiecSilesia, Poland
    892.0×
  117. 116Jelenia GóraLower Silesia, Poland
    892.0×
  118. 118FutogVojvodina, Serbia
    892.0×
  119. 119Ústí nad LabemÚstí nad Labem Region, Czechia
    881.9×
  120. 120Frýdek-MístekMoravian-Silesian Region, Czechia
    871.9×
  121. 121SatunSatun, Thailand
    871.9×
  122. 121KasselHesse, Germany
    871.9×
  123. 121TepliceÚstí nad Labem Region, Czechia
    871.9×
  124. 121Prince GeorgeBritish Columbia, Canada
    871.9×
  125. 125Tsuen WanTsuen Wan, Hong Kong
    861.9×
  126. 125Sham Shui PoSham Shui Po District, Hong Kong
    861.9×
  127. 125Puerto MonttLos Lagos Region, Chile
    861.9×
  128. 128Gorzów WielkopolskiLubusz, Poland
    861.9×
  129. 129PljevljaPljevlja, Montenegro
    861.9×
  130. 129Novi SadVojvodina, Serbia
    861.9×
  131. 131Tin Shui WaiYuen Long, Hong Kong
    861.9×
  132. 131MaarssenUtrecht, The Netherlands
    861.9×
  133. 133Bang NaBangkok, Thailand
    861.8×
  134. 133TrnavaTrnava Region, Slovakia
    861.8×
  135. 135Kędzierzyn-KoźleOpole Voivodeship, Poland
    851.8×
  136. 136ŁódźŁódź Voivodeship, Poland
    851.8×
  137. 137BottropNorth Rhine-Westphalia, Germany
    851.8×
  138. 137BielefeldNorth Rhine-Westphalia, Germany
    851.8×
  139. 139SenicaTrnava Region, Slovakia
    851.8×
  140. 140OtwockMazovia, Poland
    851.8×
  141. 140Hradec KrálovéHradec Králové Region, Czechia
    851.8×
  142. 140KościerzynaPomerania, Poland
    851.8×
  143. 143PruszkówMazovia, Poland
    841.8×
  144. 143Kwai ChungKwai Tsing District, Hong Kong
    841.8×
  145. 143OpavaMoravian-Silesian Region, Czechia
    841.8×
  146. 146OsnabrückLower Saxony, Germany
    841.8×
  147. 147KavadarciKavadarci, North Macedonia
    841.8×
  148. 148Suphan BuriSuphan Buri, Thailand
    841.8×
  149. 148SereďTrnava Region, Slovakia
    841.8×
  150. 150Konstancin-JeziornaMazovia, Poland
    841.8×
  151. 150EnschedeOverijssel, The Netherlands
    841.8×
  152. 152eMbalenhleMpumalanga, South Africa
    831.8×
  153. 153SmederevoCentral Serbia, Serbia
    831.8×
  154. 154ZhushanTaiwan, Taiwan
    831.7×
  155. 154EsztergomKomárom-Esztergom, Hungary
    831.7×
  156. 156San Tung Chung HangIslands, Hong Kong
    831.7×
  157. 156BratislavaBratislava Region, Slovakia
    831.7×
  158. 156NacimientoBiobio, Chile
    831.7×
  159. 159SaraburiSaraburi, Thailand
    821.7×
  160. 159Nong KhaemBangkok, Thailand
    821.7×
  161. 161VanderbijlparkGauteng, South Africa
    821.7×
  162. 161Quezon Citylow-cost sensorsNational Capital Region, Philippines
    821.7×
  163. 161Tai PoTai Po, Hong Kong
    821.7×
  164. 161Sai MaiBangkok, Thailand
    821.7×
  165. 165VictoriaCentral and Western, Hong Kong
    821.7×
  166. 165KłodzkoLower Silesia, Poland
    821.7×
  167. 167DattelnNorth Rhine-Westphalia, Germany
    821.7×
  168. 167KrakówLesser Poland, Poland
    821.7×
  169. 167TocopillaAntofagasta, Chile
    821.7×
  170. 170KutnoŁódź Voivodeship, Poland
    821.7×
  171. 170AcerraCampania, Italy
    821.7×
  172. 170AguascalientesAguascalientes, Mexico
    821.7×
  173. 173HillegomSouth Holland, The Netherlands
    811.7×
  174. 173SokolovCarlsbad Region, Czechia
    811.7×
  175. 175StrumicaStrumica, North Macedonia
    811.7×
  176. 175UnnaNorth Rhine-Westphalia, Germany
    811.7×
  177. 177ŻyrardówMazovia, Poland
    811.7×
  178. 177Bang KapiBangkok, Thailand
    811.7×
  179. 177OberhausenNorth Rhine-Westphalia, Germany
    811.7×
  180. 177Strzelce OpolskieOpole Voivodeship, Poland
    811.7×
  181. 177Viña del MarValparaiso, Chile
    811.7×
  182. 182PrzemyślSubcarpathia, Poland
    811.7×
  183. 183GelsenkirchenNorth Rhine-Westphalia, Germany
    811.7×
  184. 183BydgoszczKujawsko-Pomorskie, Poland
    811.7×
  185. 185Hat YaiSongkhla, Thailand
    801.7×
  186. 185IzegemFlanders, Belgium
    801.7×
  187. 185DuisburgNorth Rhine-Westphalia, Germany
    801.7×
  188. 185SantiagoSantiago Metropolitan, Chile
    801.7×
  189. 189MielecSubcarpathia, Poland
    801.7×
  190. 189NijmegenGelderland, The Netherlands
    801.7×
  191. 189Mo i RanaNordland, Norway
    801.7×
  192. 192Khan Na YaoBangkok, Thailand
    801.6×
  193. 193SkopjeGrad Skopje, North Macedonia
    801.6×
  194. 193VereenigingGauteng, South Africa
    801.6×
  195. 193TratTrat, Thailand
    801.6×
  196. 193PhatthalungPhatthalung, Thailand
    801.6×
  197. 197KigaliKigali, Rwanda
    801.6×
  198. 197PezinokBratislava Region, Slovakia
    801.6×
  199. 199Khlong LuangPathum Thani, Thailand
    791.6×
  200. 199StrausbergBrandenburg, Germany
    791.6×

Top 200 of 2,186 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, March 6, 2024, smogrank.com/history/2024-03-06 (accessed 3 Oct 2026).

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