SmogRank / History / March 12, 2024

Most polluted cities on March 12, 2024

1,500 cities ranked by their average PM2.5 over the day; the worst was Dhaka, Bangladesh, at 249.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during March 12, 2024. All episodes.

← Dhaka 249.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for March 12, 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
    34816.6×
  2. 2Lahorelow-cost sensorsPunjab, Pakistan
    2018.4×
  3. 3N'DjamenaN’Djaména, Chad
    1796.3×
  4. 4Kathmandulow-cost sensorsBagmati Province, Nepal
    1725.7×
  5. 5DelhiDelhi, India
    1685.3×
  6. 6HanoiHanoi, Vietnam
    1655.1×
  7. 7KolkataWest Bengal, India
    1634.8×
  8. 8HyderabadTelangana, India
    1554.1×
  9. 9Ulan BatorUlaanbaatar, Mongolia
    1443.5×
  10. 10PoznańGreater Poland, Poland
    1443.5×
  11. 11Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1443.5×
  12. 12ColomboWestern Province, Sri Lanka
    1343.3×
  13. 13KościanGreater Poland, Poland
    1323.2×
  14. 14SzczecinWest Pomerania, Poland
    1293.1×
  15. 15Alto HospicioTarapacá, Chile
    1293.1×
  16. 16DziałdowoWarmia-Masuria, Poland
    1283.1×
  17. 17KigaliKigali, Rwanda
    1222.9×
  18. 17KołobrzegWest Pomerania, Poland
    1222.9×
  19. 19YangonYangon, Myanmar
    1192.9×
  20. 20OpoleOpole Voivodeship, Poland
    1192.8×
  21. 21MumbaiMaharashtra, India
    1182.8×
  22. 22LęborkPomerania, Poland
    1182.8×
  23. 23Bang KapiBangkok, Thailand
    1172.8×
  24. 24KaliszGreater Poland, Poland
    1162.8×
  25. 25Gorzów WielkopolskiLubusz, Poland
    1152.7×
  26. 26ShenyangLiaoning, China
    1142.7×
  27. 27WłocławekKujawsko-Pomorskie, Poland
    1142.7×
  28. 28WrocławLower Silesia, Poland
    1142.7×
  29. 29HamarInnlandet, Norway
    1132.7×
  30. 30BydgoszczKujawsko-Pomorskie, Poland
    1122.7×
  31. 31Bang NaBangkok, Thailand
    1082.5×
  32. 32CairoCairo, Egypt
    1072.5×
  33. 33Saphan SungBangkok, Thailand
    1072.5×
  34. 34ŻywiecSilesia, Poland
    1052.5×
  35. 35KłodzkoLower Silesia, Poland
    1052.5×
  36. 36RacibórzSilesia, Poland
    1032.4×
  37. 36KościerzynaPomerania, Poland
    1032.4×
  38. 38Khan Na YaoBangkok, Thailand
    1022.4×
  39. 39BytówPomerania, Poland
    1012.4×
  40. 40Nong KhaemBangkok, Thailand
    1012.4×
  41. 41GdyniaPomerania, Poland
    1002.4×
  42. 42Nong ChokBangkok, Thailand
    1002.4×
  43. 43Khlong LuangPathum Thani, Thailand
    992.3×
  44. 44Sai MaiBangkok, Thailand
    992.3×
  45. 45MexicaliBaja California, Mexico
    982.3×
  46. 45CelayaGuanajuato, Mexico
    982.3×
  47. 47Karachilow-cost sensorsSindh, Pakistan
    982.3×
  48. 48Victoria de DurangoDurango, Mexico
    982.3×
  49. 49BeijingBeijing, China
    972.3×
  50. 50KutnoŁódź Voivodeship, Poland
    972.3×
  51. 51Bueng KumBangkok, Thailand
    962.2×
  52. 52BangkokBangkok, Thailand
    952.2×
  53. 53Nakhon PathomNakhon Pathom, Thailand
    952.2×
  54. 54ChennaiTamil Nadu, India
    942.2×
  55. 55Phra PradaengSamut Prakan, Thailand
    932.1×
  56. 55RadomskoŁódź Voivodeship, Poland
    932.1×
  57. 57ToruńKujawsko-Pomorskie, Poland
    932.1×
  58. 58ŻyrardówMazovia, Poland
    922.1×
  59. 59Lat KrabangBangkok, Thailand
    922.1×
  60. 60AstanaAstana, Kazakhstan
    922.1×
  61. 61Kędzierzyn-KoźleOpole Voivodeship, Poland
    912.1×
  62. 62Bang Bo DistrictSamut Prakan, Thailand
    902.0×
  63. 63Mueang NonthaburiNonthaburi, Thailand
    902.0×
  64. 64CoyhaiqueAysén, Chile
    892.0×
  65. 65ZgierzŁódź Voivodeship, Poland
    881.9×
  66. 66Samut SakhonSamut Sakhon, Thailand
    881.9×
  67. 67Mo i RanaNordland, Norway
    881.9×
  68. 68Santa Anita - Los FicusLima region, Peru
    871.9×
  69. 69Skarżysko-KamiennaŚwiętokrzyskie, Poland
    871.9×
  70. 69PljevljaPljevlja, Montenegro
    871.9×
  71. 69Canvey IslandEngland, United Kingdom
    871.9×
  72. 72PłockMazovia, Poland
    861.9×
  73. 73Ban Khlong PrawetBangkok, Thailand
    861.9×
  74. 73KatowiceSilesia, Poland
    861.9×
  75. 75Bielsko-BialaSilesia, Poland
    861.9×
  76. 75ValjevoCentral Serbia, Serbia
    861.9×
  77. 77CanterburyEngland, United Kingdom
    851.8×
  78. 78ŁaskŁódź Voivodeship, Poland
    851.8×
  79. 78BaytownTexas, United States
    851.8×
  80. 80Velsen-ZuidNorth Holland, The Netherlands
    851.8×
  81. 81Novi PazarCentral Serbia, Serbia
    841.8×
  82. 81ŚwiecieKujawsko-Pomorskie, Poland
    841.8×
  83. 83Jastrzębie ZdrójSilesia, Poland
    831.8×
  84. 84OlsztynWarmia-Masuria, Poland
    821.7×
  85. 84HakodateHokkaido, Japan
    821.7×
  86. 84BexleyEngland, United Kingdom
    821.7×
  87. 87PruszkówMazovia, Poland
    811.7×
  88. 88VelserbroekNorth Holland, The Netherlands
    811.7×
  89. 89Zielona GóraLubusz, Poland
    801.7×
  90. 90GroningenGroningen, The Netherlands
    801.7×
  91. 91GdańskPomerania, Poland
    801.6×
  92. 92BakuBaki, Azerbaijan
    801.6×
  93. 93Konstancin-JeziornaMazovia, Poland
    791.6×
  94. 94GuangzhouGuangdong, China
    791.6×
  95. 95RadomMazovia, Poland
    791.6×
  96. 96LegionowoMazovia, Poland
    791.6×
  97. 97ZaanstadNorth Holland, The Netherlands
    781.6×
  98. 97ElblągWarmia-Masuria, Poland
    781.6×
  99. 99NodaChiba, Japan
    781.6×
  100. 99Abujalow-cost sensorsFCT, Nigeria
    781.6×
  101. 99RidderkerkSouth Holland, The Netherlands
    781.6×
  102. 99KrakówLesser Poland, Poland
    781.6×
  103. 103BaghdadBaghdad, Iraq
    781.6×
  104. 103BrightonEngland, United Kingdom
    781.6×
  105. 105Clacton-on-SeaEngland, United Kingdom
    771.6×
  106. 106Kuala LumpurKuala Lumpur, Malaysia
    771.5×
  107. 106MidwayFlorida, United States
    771.5×
  108. 108FlorenceSouth Carolina, United States
    771.5×
  109. 109GillinghamEngland, United Kingdom
    771.5×
  110. 109RotterdamSouth Holland, The Netherlands
    771.5×
  111. 111Czechowice-DziedziceSilesia, Poland
    771.5×
  112. 112MiskolcBorsod-Abaúj-Zemplén, Hungary
    761.5×
  113. 112JakartaJakarta, Indonesia
    761.5×
  114. 112AlbanyGeorgia, United States
    761.5×
  115. 115's-GravenzandeSouth Holland, The Netherlands
    761.5×
  116. 115LillestrømAkershus, Norway
    761.5×
  117. 117BiggleswadeEngland, United Kingdom
    761.5×
  118. 117SpijkenisseSouth Holland, The Netherlands
    761.5×
  119. 117MaarssenUtrecht, The Netherlands
    761.5×
  120. 117SarajevoFederation of B&H, Bosnia and Herzegovina
    761.5×
  121. 117Asunciónlow-cost sensorsAsuncion, Paraguay
    761.5×
  122. 122JeddahMecca Region, Saudi Arabia
    751.5×
  123. 122BadhoevedorpNorth Holland, The Netherlands
    751.5×
  124. 124AntananarivoAnalamanga, Madagascar
    751.5×
  125. 124MuroranHokkaido, Japan
    751.5×
  126. 124Kingston upon HullEngland, United Kingdom
    751.5×
  127. 124AmsterdamNorth Holland, The Netherlands
    751.5×
  128. 128LeedsEngland, United Kingdom
    751.5×
  129. 128NijmegenGelderland, The Netherlands
    751.5×
  130. 130MielecSubcarpathia, Poland
    741.4×
  131. 131OtwockMazovia, Poland
    741.4×
  132. 132PueblaPuebla, Mexico
    741.4×
  133. 133Ulu BedokSingapore
    741.4×
  134. 134NewmarketEngland, United Kingdom
    741.4×
  135. 134ColumbusGeorgia, United States
    741.4×
  136. 136TarnówLesser Poland, Poland
    731.4×
  137. 136PułtuskMazovia, Poland
    731.4×
  138. 138MaassluisSouth Holland, The Netherlands
    731.4×
  139. 138Silao de la VictoriaGuanajuato, Mexico
    731.4×
  140. 140StarachowiceŚwiętokrzyskie, Poland
    721.4×
  141. 140PirotCentral Serbia, Serbia
    721.4×
  142. 142Quezon Citylow-cost sensorsNational Capital Region, Philippines
    721.4×
  143. 142ŁódźŁódź Voivodeship, Poland
    721.4×
  144. 144Strzelce OpolskieOpole Voivodeship, Poland
    721.4×
  145. 144ValdostaGeorgia, United States
    721.4×
  146. 146NorwichEngland, United Kingdom
    721.4×
  147. 147HayesEngland, United Kingdom
    721.3×
  148. 147Puerto AysénAysén, Chile
    721.3×
  149. 149TocopillaAntofagasta, Chile
    711.3×
  150. 149BirminghamAlabama, United States
    711.3×
  151. 151DushanbeDushanbe, Tajikistan
    711.3×
  152. 151YorkEngland, United Kingdom
    711.3×
  153. 151EnschedeOverijssel, The Netherlands
    711.3×
  154. 151AricaArica y Parinacota Region, Chile
    711.3×
  155. 155WarsawMazovia, Poland
    711.3×
  156. 155KielceŚwiętokrzyskie, Poland
    711.3×
  157. 157PrzemyślSubcarpathia, Poland
    711.3×
  158. 157SeafordEngland, United Kingdom
    711.3×
  159. 159LublinLublin, Poland
    711.3×
  160. 159ManchesterEngland, United Kingdom
    711.3×
  161. 159TilburgNorth Brabant, The Netherlands
    711.3×
  162. 159BarneveldGelderland, The Netherlands
    711.3×
  163. 163MedemblikNorth Holland, The Netherlands
    701.3×
  164. 164VenrayLimburg, The Netherlands
    701.3×
  165. 164IJsselsteinUtrecht, The Netherlands
    701.3×
  166. 166SalorTashkent Region, Uzbekistan
    701.3×
  167. 167BorCentral Serbia, Serbia
    701.3×
  168. 167SōkaSaitama, Japan
    701.3×
  169. 169SheffieldEngland, United Kingdom
    691.3×
  170. 169EindhovenNorth Brabant, The Netherlands
    691.3×
  171. 169HualpénBiobio, Chile
    691.3×
  172. 169CoquimboCoquimbo Region, Chile
    691.3×
  173. 173UtrechtUtrecht, The Netherlands
    691.3×
  174. 173SantiagoSantiago Metropolitan, Chile
    691.3×
  175. 175BadgerAlaska, United States
    691.3×
  176. 176MiddlesbroughEngland, United Kingdom
    691.2×
  177. 177SiedlceMazovia, Poland
    691.2×
  178. 177CopiapóAtacama, Chile
    691.2×
  179. 179KennesawGeorgia, United States
    691.2×
  180. 180BarnsleyEngland, United Kingdom
    681.2×
  181. 180NogalesSonora, Mexico
    681.2×
  182. 182Newcastle upon TyneEngland, United Kingdom
    681.2×
  183. 182QuillotaValparaiso, Chile
    681.2×
  184. 182San Francisco De BorjaLima region, Peru
    681.2×
  185. 185RzeszówSubcarpathia, Poland
    681.2×
  186. 185Wan ChaiWan Chai, Hong Kong
    681.2×
  187. 187León de los AldamaGuanajuato, Mexico
    671.2×
  188. 188Ang Mo Kio New TownSingapore
    671.2×
  189. 189SuwałkiPodlasie, Poland
    671.2×
  190. 189PurmerendNorth Holland, The Netherlands
    671.2×
  191. 191KamagayaChiba, Japan
    671.2×
  192. 192AntofagastaAntofagasta, Chile
    671.2×
  193. 192LimaLima Province, Peru
    671.2×
  194. 194QuinteroValparaiso, Chile
    661.2×
  195. 195ChitoseHokkaido, Japan
    661.2×
  196. 195RancaguaO'Higgins Region, Chile
    661.2×
  197. 195Granite CityIllinois, United States
    661.2×
  198. 195BloomingtonIllinois, United States
    661.2×
  199. 195TsuchiuraIbaraki, Japan
    661.2×
  200. 200CalamaAntofagasta, Chile
    661.1×

Top 200 of 1,500 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 12, 2024, smogrank.com/history/2024-03-12 (accessed 3 Oct 2026).

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