SmogRank / History / March 9, 2024

Most polluted cities on March 9, 2024

2,033 cities ranked by their average PM2.5 over the day; the worst was N'Djamena, Chad, at 166.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during March 9, 2024. All episodes.

← N'Djamena 166.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for March 9, 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. 1N'DjamenaN’Djaména, Chad
    24111.1×
  2. 2Dhakalow-cost sensorsDhaka Division, Bangladesh
    2219.7×
  3. 3Lahorelow-cost sensorsPunjab, Pakistan
    1937.7×
  4. 4KolkataWest Bengal, India
    1826.6×
  5. 5Kathmandulow-cost sensorsBagmati Province, Nepal
    1786.3×
  6. 6TlaquepaqueJalisco, Mexico
    1685.3×
  7. 7Banja LukaSrpska, Bosnia and Herzegovina
    1665.1×
  8. 8HanoiHanoi, Vietnam
    1665.1×
  9. 9Karachilow-cost sensorsSindh, Pakistan
    1614.6×
  10. 10SiedlceMazovia, Poland
    1594.4×
  11. 11HyderabadTelangana, India
    1564.2×
  12. 12Ulan BatorUlaanbaatar, Mongolia
    1564.2×
  13. 13Skarżysko-KamiennaŚwiętokrzyskie, Poland
    1554.1×
  14. 14Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1533.9×
  15. 15ShenyangLiaoning, China
    1533.9×
  16. 16DelhiDelhi, India
    1523.8×
  17. 17MumbaiMaharashtra, India
    1413.4×
  18. 18LegionowoMazovia, Poland
    1373.3×
  19. 19ŁukówLublin, Poland
    1363.3×
  20. 20RzeszówSubcarpathia, Poland
    1363.3×
  21. 20JarosławSubcarpathia, Poland
    1363.3×
  22. 22ChaozhouTaiwan, Taiwan
    1353.3×
  23. 22BeijingBeijing, China
    1353.3×
  24. 24ŻyrardówMazovia, Poland
    1273.1×
  25. 24NiskoSubcarpathia, Poland
    1273.1×
  26. 26StarachowiceŚwiętokrzyskie, Poland
    1273.1×
  27. 27KutnoŁódź Voivodeship, Poland
    1263.1×
  28. 28WłocławekKujawsko-Pomorskie, Poland
    1253.0×
  29. 29XonacatlánMéxico, Mexico
    1253.0×
  30. 30OtwockMazovia, Poland
    1222.9×
  31. 31OpoleOpole Voivodeship, Poland
    1222.9×
  32. 32PułtuskMazovia, Poland
    1202.9×
  33. 33JinchengFukien, Taiwan
    1202.9×
  34. 33RacibórzSilesia, Poland
    1202.9×
  35. 35Konstancin-JeziornaMazovia, Poland
    1192.9×
  36. 36PruszkówMazovia, Poland
    1182.8×
  37. 37MielecSubcarpathia, Poland
    1182.8×
  38. 37FengshanTakao, Taiwan
    1182.8×
  39. 39RadomMazovia, Poland
    1152.7×
  40. 40Novi PazarCentral Serbia, Serbia
    1142.7×
  41. 40Dún LaoghaireLeinster, Ireland
    1142.7×
  42. 42PueblaPuebla, Mexico
    1142.7×
  43. 43KigaliKigali, Rwanda
    1142.7×
  44. 43TetovoTetovo, North Macedonia
    1142.7×
  45. 43PoznańGreater Poland, Poland
    1142.7×
  46. 46Alto HospicioTarapacá, Chile
    1132.7×
  47. 47KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    1132.7×
  48. 48KrakówLesser Poland, Poland
    1132.7×
  49. 49Birminghamlow-cost sensorsEngland, United Kingdom
    1122.7×
  50. 50KaohsiungTakao, Taiwan
    1122.7×
  51. 50KościanGreater Poland, Poland
    1122.7×
  52. 52SzczecinWest Pomerania, Poland
    1112.6×
  53. 53PrzemyślSubcarpathia, Poland
    1102.6×
  54. 54UžiceCentral Serbia, Serbia
    1092.6×
  55. 55BaghdadBaghdad, Iraq
    1082.6×
  56. 56ChennaiTamil Nadu, India
    1082.5×
  57. 57DziałdowoWarmia-Masuria, Poland
    1072.5×
  58. 58AstanaAstana, Kazakhstan
    1062.5×
  59. 58RadomskoŁódź Voivodeship, Poland
    1062.5×
  60. 60GostivarGostivar, North Macedonia
    1062.5×
  61. 61KaliszGreater Poland, Poland
    1052.5×
  62. 62YangonYangon, Myanmar
    1052.5×
  63. 63BydgoszczKujawsko-Pomorskie, Poland
    1042.5×
  64. 64OlsztynWarmia-Masuria, Poland
    1042.4×
  65. 65Kędzierzyn-KoźleOpole Voivodeship, Poland
    1032.4×
  66. 66IaşiIași County, Romania
    1032.4×
  67. 67WarsawMazovia, Poland
    1032.4×
  68. 67DublinLeinster, Ireland
    1032.4×
  69. 67OpavaMoravian-Silesian Region, Czechia
    1032.4×
  70. 70ZgierzŁódź Voivodeship, Poland
    1022.4×
  71. 71Gorzów WielkopolskiLubusz, Poland
    1022.4×
  72. 72ZhushanTaiwan, Taiwan
    1002.4×
  73. 72WaterfordMunster, Ireland
    1002.4×
  74. 74GuangzhouGuangdong, China
    992.3×
  75. 74KatowiceSilesia, Poland
    992.3×
  76. 76Wodzisław ŚląskiSilesia, Poland
    982.3×
  77. 77Czechowice-DziedziceSilesia, Poland
    982.3×
  78. 78CholulaPuebla, Mexico
    972.3×
  79. 79PuliTaiwan, Taiwan
    972.2×
  80. 80Jastrzębie ZdrójSilesia, Poland
    962.2×
  81. 81HumennéPrešov Region, Slovakia
    952.2×
  82. 81ŁaskŁódź Voivodeship, Poland
    952.2×
  83. 83GrajewoPodlasie, Poland
    942.1×
  84. 84WawerMazovia, Poland
    942.1×
  85. 84TainanTaiwan, Taiwan
    942.1×
  86. 86KošiceKošice Region, Slovakia
    932.1×
  87. 86Almatylow-cost sensorsAlmaty, Kazakhstan
    932.1×
  88. 88LuckenwaldeBrandenburg, Germany
    932.1×
  89. 89PłockMazovia, Poland
    932.1×
  90. 90PrešovPrešov Region, Slovakia
    922.1×
  91. 90ElblągWarmia-Masuria, Poland
    922.1×
  92. 92ToruńKujawsko-Pomorskie, Poland
    922.1×
  93. 93YongkangTaiwan, Taiwan
    912.0×
  94. 94DouliuTaiwan, Taiwan
    902.0×
  95. 95BiałystokPodlasie, Poland
    902.0×
  96. 96WrocławLower Silesia, Poland
    902.0×
  97. 97CelayaGuanajuato, Mexico
    902.0×
  98. 98Guatemala CityGuatemala, Guatemala
    902.0×
  99. 99CieszynSilesia, Poland
    892.0×
  100. 100Vranov nad TopľouPrešov Region, Slovakia
    892.0×
  101. 101Addis AbabaAddis Ababa, Ethiopia
    892.0×
  102. 102San CarlosÑuble, Chile
    881.9×
  103. 103BeneventoCampania, Italy
    881.9×
  104. 103WittenbergSaxony-Anhalt, Germany
    881.9×
  105. 105TeltowBrandenburg, Germany
    881.9×
  106. 105CottbusBrandenburg, Germany
    881.9×
  107. 105ŁódźŁódź Voivodeship, Poland
    881.9×
  108. 108Bang NaBangkok, Thailand
    881.9×
  109. 108PljevljaPljevlja, Montenegro
    881.9×
  110. 110GrazStyria, Austria
    881.9×
  111. 111TrebišovKošice Region, Slovakia
    871.9×
  112. 111HavířovMoravian-Silesian Region, Czechia
    871.9×
  113. 111Saphan SungBangkok, Thailand
    871.9×
  114. 114Bang KapiBangkok, Thailand
    871.9×
  115. 115Chiayi CityTaiwan, Taiwan
    871.9×
  116. 115BerlinState of Berlin, Germany
    871.9×
  117. 117OstravaMoravian-Silesian Region, Czechia
    871.9×
  118. 118CarlowLeinster, Ireland
    871.9×
  119. 118SallanchesAuvergne-Rhône-Alpes, France
    871.9×
  120. 120Abujalow-cost sensorsFCT, Nigeria
    861.9×
  121. 121KielceŚwiętokrzyskie, Poland
    861.8×
  122. 122CraiovaDolj, Romania
    851.8×
  123. 123CorkMunster, Ireland
    851.8×
  124. 124ColomboWestern Province, Sri Lanka
    851.8×
  125. 124LučenecBanská Bystrica Region, Slovakia
    851.8×
  126. 124KościerzynaPomerania, Poland
    851.8×
  127. 127Strzelce OpolskieOpole Voivodeship, Poland
    851.8×
  128. 127CoyhaiqueAysén, Chile
    851.8×
  129. 129SchwerinMecklenburg-Vorpommern, Germany
    841.8×
  130. 129Königs WusterhausenBrandenburg, Germany
    841.8×
  131. 129EisenhüttenstadtBrandenburg, Germany
    841.8×
  132. 132BakuBaki, Azerbaijan
    841.8×
  133. 132GüstrowMecklenburg-Vorpommern, Germany
    841.8×
  134. 132Brandenburg an der HavelBrandenburg, Germany
    841.8×
  135. 135NeubrandenburgMecklenburg-Vorpommern, Germany
    841.8×
  136. 135AnnemasseAuvergne-Rhône-Alpes, France
    841.8×
  137. 137FalkenseeBrandenburg, Germany
    841.8×
  138. 137Blankenfelde-MahlowBrandenburg, Germany
    841.8×
  139. 139EłkWarmia-Masuria, Poland
    831.8×
  140. 139LubnjowBrandenburg, Germany
    831.8×
  141. 139AcerraCampania, Italy
    831.8×
  142. 142DejCluj County, Romania
    831.8×
  143. 142TaibaoTaiwan, Taiwan
    831.8×
  144. 142DessauSaxony-Anhalt, Germany
    831.8×
  145. 145BexleyEngland, United Kingdom
    831.7×
  146. 145HildesheimLower Saxony, Germany
    831.7×
  147. 147XinyingTaiwan, Taiwan
    831.7×
  148. 147Frankfurt (Oder)Brandenburg, Germany
    831.7×
  149. 149BeigangTaiwan, Taiwan
    821.7×
  150. 149PotsdamBrandenburg, Germany
    821.7×
  151. 151Sai MaiBangkok, Thailand
    821.7×
  152. 152JakartaJakarta, Indonesia
    821.7×
  153. 152NantouTaiwan, Taiwan
    821.7×
  154. 152AguascalientesAguascalientes, Mexico
    821.7×
  155. 155Schwedt (Oder)Brandenburg, Germany
    821.7×
  156. 155RostockMecklenburg-Vorpommern, Germany
    821.7×
  157. 157UnnaNorth Rhine-Westphalia, Germany
    811.7×
  158. 158EvergemFlanders, Belgium
    811.7×
  159. 159WismarMecklenburg-Vorpommern, Germany
    811.7×
  160. 159HamburgHamburg, Germany
    811.7×
  161. 161Khlong LuangPathum Thani, Thailand
    811.7×
  162. 161Burg bei MagdeburgSaxony-Anhalt, Germany
    811.7×
  163. 163SalorTashkent Region, Uzbekistan
    801.7×
  164. 164CairoCairo, Egypt
    801.6×
  165. 164SmederevoCentral Serbia, Serbia
    801.6×
  166. 164Bernau bei BerlinBrandenburg, Germany
    801.6×
  167. 167NeuruppinBrandenburg, Germany
    801.6×
  168. 167BytówPomerania, Poland
    801.6×
  169. 169ErlunTaiwan, Taiwan
    801.6×
  170. 169HalberstadtSaxony-Anhalt, Germany
    801.6×
  171. 171StrausbergBrandenburg, Germany
    791.6×
  172. 172ŚwiecieKujawsko-Pomorskie, Poland
    791.6×
  173. 172Puerto AysénAysén, Chile
    791.6×
  174. 174OldenburgLower Saxony, Germany
    791.6×
  175. 174Khan Na YaoBangkok, Thailand
    791.6×
  176. 176WittenbergeBrandenburg, Germany
    791.6×
  177. 177NišCentral Serbia, Serbia
    791.6×
  178. 177MagdeburgSaxony-Anhalt, Germany
    791.6×
  179. 177HannoverLower Saxony, Germany
    791.6×
  180. 177HalstenbekSchleswig-Holstein, Germany
    791.6×
  181. 181Cluj-NapocaCluj County, Romania
    781.6×
  182. 182StralsundMecklenburg-Vorpommern, Germany
    781.6×
  183. 182TocopillaAntofagasta, Chile
    781.6×
  184. 184BitolaBitola, North Macedonia
    781.6×
  185. 184WernigerodeSaxony-Anhalt, Germany
    781.6×
  186. 184KöthenSaxony-Anhalt, Germany
    781.6×
  187. 187SalzgitterLower Saxony, Germany
    771.6×
  188. 187Halle (Saale)Saxony-Anhalt, Germany
    771.6×
  189. 187KołobrzegWest Pomerania, Poland
    771.6×
  190. 190DuisburgNorth Rhine-Westphalia, Germany
    771.5×
  191. 190Frýdek-MístekMoravian-Silesian Region, Czechia
    771.5×
  192. 190Lat KrabangBangkok, Thailand
    771.5×
  193. 193PančevoVojvodina, Serbia
    771.5×
  194. 193BremerhavenBremen, Germany
    771.5×
  195. 195ErlinTaiwan, Taiwan
    771.5×
  196. 196BorkenNorth Rhine-Westphalia, Germany
    771.5×
  197. 196NaplesCampania, Italy
    771.5×
  198. 198KielSchleswig-Holstein, Germany
    771.5×
  199. 198BottropNorth Rhine-Westphalia, Germany
    771.5×
  200. 200NeuenhagenBrandenburg, Germany
    761.5×

Top 200 of 2,033 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 9, 2024, smogrank.com/history/2024-03-09 (accessed 3 Oct 2026).

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