SmogRank / History / March 14, 2024

Most polluted cities on March 14, 2024

1,550 cities ranked by their average PM2.5 over the day; the worst was N'Djamena, Chad, at 129.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during March 14, 2024. All episodes.

← N'Djamena 129.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for March 14, 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
    2048.6×
  2. 2ShenyangLiaoning, China
    1927.6×
  3. 3Mae SaiChiang Rai, Thailand
    1877.1×
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    1776.1×
  5. 5Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1715.6×
  6. 6DelhiDelhi, India
    1685.3×
  7. 7Karachilow-cost sensorsSindh, Pakistan
    1655.1×
  8. 8MukdahanMukdahan, Thailand
    1655.0×
  9. 9LampangLampang, Thailand
    1644.9×
  10. 10KalasinKalasin, Thailand
    1604.6×
  11. 11HyderabadTelangana, India
    1604.6×
  12. 12Chiang MaiChiang Mai, Thailand
    1594.5×
  13. 13Kathmandulow-cost sensorsBagmati Province, Nepal
    1584.4×
  14. 13NanNan, Thailand
    1584.4×
  15. 15PhayaoPhayao, Thailand
    1574.3×
  16. 16Roi EtRoi Et, Thailand
    1544.0×
  17. 17Lahorelow-cost sensorsPunjab, Pakistan
    1533.9×
  18. 18Khon KaenKhon Kaen, Thailand
    1533.9×
  19. 19BaghdadBaghdad, Iraq
    1533.9×
  20. 20DziałdowoWarmia-Masuria, Poland
    1523.8×
  21. 21LoeiLoei, Thailand
    1523.8×
  22. 22SukhothaiSukhothai, Thailand
    1523.8×
  23. 23Udon ThaniUdon Thani, Thailand
    1513.7×
  24. 23Czechowice-DziedziceSilesia, Poland
    1513.7×
  25. 25YasothonYasothon, Thailand
    1513.7×
  26. 26YangonYangon, Myanmar
    1513.7×
  27. 27Saint AndrewsSouth Carolina, United States
    1453.6×
  28. 28KolkataWest Bengal, India
    1443.5×
  29. 28RacibórzSilesia, Poland
    1443.5×
  30. 30PhraePhrae, Thailand
    1433.5×
  31. 31Ubon RatchathaniUbon Ratchathani, Thailand
    1433.5×
  32. 32LamphunLamphun, Thailand
    1413.5×
  33. 33BaytownTexas, United States
    1353.3×
  34. 34GuangzhouGuangdong, China
    1343.3×
  35. 35Nong Bua LamphuNong Bua Lamphu, Thailand
    1323.2×
  36. 36Jastrzębie ZdrójSilesia, Poland
    1323.2×
  37. 37Bielsko-BialaSilesia, Poland
    1293.1×
  38. 38Skarżysko-KamiennaŚwiętokrzyskie, Poland
    1283.1×
  39. 39Ulan BatorUlaanbaatar, Mongolia
    1283.1×
  40. 40KaliszGreater Poland, Poland
    1263.0×
  41. 41KanchanaburiKanchanaburi, Thailand
    1233.0×
  42. 42Puerto VarasLos Lagos Region, Chile
    1233.0×
  43. 43Si Sa KetSi Sa Ket, Thailand
    1202.9×
  44. 44WłocławekKujawsko-Pomorskie, Poland
    1192.8×
  45. 45Novi PazarCentral Serbia, Serbia
    1182.8×
  46. 46PoznańGreater Poland, Poland
    1162.8×
  47. 46SarajevoFederation of B&H, Bosnia and Herzegovina
    1162.8×
  48. 48BeijingBeijing, China
    1162.8×
  49. 48AthensGeorgia, United States
    1162.8×
  50. 50Amnat CharoenAmnat Charoen, Thailand
    1162.8×
  51. 51KatowiceSilesia, Poland
    1152.8×
  52. 51ColumbusGeorgia, United States
    1152.8×
  53. 53Asunciónlow-cost sensorsAsuncion, Paraguay
    1142.7×
  54. 54ColomboWestern Province, Sri Lanka
    1122.7×
  55. 55Chai NatChai Nat, Thailand
    1122.7×
  56. 56ToruńKujawsko-Pomorskie, Poland
    1112.6×
  57. 57ŻywiecSilesia, Poland
    1102.6×
  58. 58HanoiHanoi, Vietnam
    1092.6×
  59. 59Kędzierzyn-KoźleOpole Voivodeship, Poland
    1092.6×
  60. 60KościanGreater Poland, Poland
    1082.6×
  61. 61AugustówPodlasie, Poland
    1082.5×
  62. 62PhetchabunPhetchabun, Thailand
    1072.5×
  63. 62KutnoŁódź Voivodeship, Poland
    1072.5×
  64. 64PirotCentral Serbia, Serbia
    1072.5×
  65. 65Warner RobinsGeorgia, United States
    1062.5×
  66. 66NišCentral Serbia, Serbia
    1062.5×
  67. 67MaconGeorgia, United States
    1052.5×
  68. 68ZgierzŁódź Voivodeship, Poland
    1052.5×
  69. 68RadomskoŁódź Voivodeship, Poland
    1052.5×
  70. 70ChaiyaphumChaiyaphum, Thailand
    1042.5×
  71. 70Wan ChaiWan Chai, Hong Kong
    1042.5×
  72. 72OtwockMazovia, Poland
    1032.4×
  73. 73BydgoszczKujawsko-Pomorskie, Poland
    1022.4×
  74. 73PljevljaPljevlja, Montenegro
    1022.4×
  75. 75ElblągWarmia-Masuria, Poland
    1022.4×
  76. 75Phenix CityAlabama, United States
    1022.4×
  77. 77Chiang RaiChiang Rai, Thailand
    1012.4×
  78. 78FlorenceSouth Carolina, United States
    1002.3×
  79. 79PhichitPhichit, Thailand
    992.3×
  80. 80GainesvilleGeorgia, United States
    992.3×
  81. 81Lop BuriLopburi, Thailand
    992.3×
  82. 82UžiceCentral Serbia, Serbia
    992.3×
  83. 83Banja LukaSrpska, Bosnia and Herzegovina
    992.3×
  84. 84DębicaSubcarpathia, Poland
    982.3×
  85. 84OpoleOpole Voivodeship, Poland
    982.3×
  86. 86KigaliKigali, Rwanda
    982.3×
  87. 86KłodzkoLower Silesia, Poland
    982.3×
  88. 88LegionowoMazovia, Poland
    982.3×
  89. 88MumbaiMaharashtra, India
    982.3×
  90. 88Suphan BuriSuphan Buri, Thailand
    982.3×
  91. 88LęborkPomerania, Poland
    982.3×
  92. 88HualpénBiobio, Chile
    982.3×
  93. 93Konstancin-JeziornaMazovia, Poland
    982.3×
  94. 94PruszkówMazovia, Poland
    972.3×
  95. 95ChennaiTamil Nadu, India
    972.2×
  96. 96Sing BuriSing Buri, Thailand
    962.2×
  97. 96Tuen MunTuen Mun, Hong Kong
    962.2×
  98. 98OlsztynWarmia-Masuria, Poland
    962.2×
  99. 98AugustaGeorgia, United States
    962.2×
  100. 100ŚwiecieKujawsko-Pomorskie, Poland
    962.2×
  101. 101Forest ParkGeorgia, United States
    962.2×
  102. 102ŁaskŁódź Voivodeship, Poland
    952.2×
  103. 103SurinSurin, Thailand
    952.2×
  104. 104Mong KokYau Tsim Mong District, Hong Kong
    942.2×
  105. 105KragujevacCentral Serbia, Serbia
    942.1×
  106. 106PułtuskMazovia, Poland
    932.1×
  107. 106Nakhon SawanNakhon Sawan, Thailand
    932.1×
  108. 108RatchaburiRatchaburi, Thailand
    932.1×
  109. 109KrakówLesser Poland, Poland
    932.1×
  110. 110Strzelce OpolskieOpole Voivodeship, Poland
    912.1×
  111. 111ValdostaGeorgia, United States
    912.0×
  112. 112ZemunCentral Serbia, Serbia
    912.0×
  113. 113KościerzynaPomerania, Poland
    912.0×
  114. 114Si Maha PhotPrachin Buri, Thailand
    902.0×
  115. 115WarsawMazovia, Poland
    902.0×
  116. 116StarachowiceŚwiętokrzyskie, Poland
    902.0×
  117. 116KielceŚwiętokrzyskie, Poland
    902.0×
  118. 118GreenvilleSouth Carolina, United States
    902.0×
  119. 119PhuketPhuket, Thailand
    892.0×
  120. 119Buri RamBuriram, Thailand
    892.0×
  121. 119AlbanyGeorgia, United States
    892.0×
  122. 122CairoCairo, Egypt
    881.9×
  123. 123JakartaJakarta, Indonesia
    881.9×
  124. 123ConwaySouth Carolina, United States
    881.9×
  125. 125Nong KhaemBangkok, Thailand
    881.9×
  126. 125CelayaGuanajuato, Mexico
    881.9×
  127. 127WawerMazovia, Poland
    871.9×
  128. 127SavannahGeorgia, United States
    871.9×
  129. 127SpartanburgSouth Carolina, United States
    871.9×
  130. 130RabinalBaja Verapaz, Guatemala
    871.9×
  131. 131PłockMazovia, Poland
    871.9×
  132. 131Puerto MonttLos Lagos Region, Chile
    871.9×
  133. 133LazarevacCentral Serbia, Serbia
    861.9×
  134. 134WrocławLower Silesia, Poland
    861.9×
  135. 134ŁódźŁódź Voivodeship, Poland
    861.9×
  136. 136GdyniaPomerania, Poland
    861.8×
  137. 137ŻyrardówMazovia, Poland
    851.8×
  138. 137MissionTexas, United States
    851.8×
  139. 139Santa Anita - Los FicusLima region, Peru
    851.8×
  140. 140KraljevoCentral Serbia, Serbia
    851.8×
  141. 140VictoriaCentral and Western, Hong Kong
    851.8×
  142. 140Gorzów WielkopolskiLubusz, Poland
    851.8×
  143. 143RadomMazovia, Poland
    841.8×
  144. 144Khlong LuangPathum Thani, Thailand
    841.8×
  145. 144KnoxvilleTennessee, United States
    841.8×
  146. 146EdinburgTexas, United States
    841.8×
  147. 147SuwałkiPodlasie, Poland
    841.8×
  148. 148LublinLublin, Poland
    831.8×
  149. 148KennesawGeorgia, United States
    831.8×
  150. 150Tai PoTai Po, Hong Kong
    831.7×
  151. 150OsornoLos Lagos Region, Chile
    831.7×
  152. 152BiałystokPodlasie, Poland
    831.7×
  153. 152Tsuen WanTsuen Wan, Hong Kong
    831.7×
  154. 152SzczecinWest Pomerania, Poland
    831.7×
  155. 155LawrencevilleGeorgia, United States
    821.7×
  156. 156PančevoVojvodina, Serbia
    821.7×
  157. 157Islamabadlow-cost sensorsIslamabad, Pakistan
    821.7×
  158. 158ZamośćLublin, Poland
    821.7×
  159. 158GdańskPomerania, Poland
    821.7×
  160. 160Prachin BuriPrachin Buri, Thailand
    811.7×
  161. 160Sham Shui PoSham Shui Po District, Hong Kong
    811.7×
  162. 160BytówPomerania, Poland
    811.7×
  163. 163Kampalalow-cost sensorsCentral Region, Uganda
    811.7×
  164. 164Hua HinPrachuap Khiri Khan, Thailand
    811.7×
  165. 165SiedlceMazovia, Poland
    801.7×
  166. 165AstanaAstana, Kazakhstan
    801.7×
  167. 165Jelenia GóraLower Silesia, Poland
    801.7×
  168. 168GrajewoPodlasie, Poland
    801.6×
  169. 168BrunswickGeorgia, United States
    801.6×
  170. 170MielecSubcarpathia, Poland
    801.6×
  171. 171Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    791.6×
  172. 172ČačakCentral Serbia, Serbia
    791.6×
  173. 172SaraburiSaraburi, Thailand
    791.6×
  174. 172McDonoughGeorgia, United States
    791.6×
  175. 172East RidgeTennessee, United States
    791.6×
  176. 176ObrenovacCentral Serbia, Serbia
    791.6×
  177. 177QuinteroValparaiso, Chile
    781.6×
  178. 178Sai MaiBangkok, Thailand
    781.6×
  179. 179BensalemPennsylvania, United States
    781.6×
  180. 180TarnówLesser Poland, Poland
    781.6×
  181. 180Nakhon PathomNakhon Pathom, Thailand
    781.6×
  182. 180CoyhaiqueAysén, Chile
    781.6×
  183. 183Kwai ChungKwai Tsing District, Hong Kong
    771.5×
  184. 183MaryvilleTennessee, United States
    771.5×
  185. 185Tin Shui WaiYuen Long, Hong Kong
    771.5×
  186. 186PrzemyślSubcarpathia, Poland
    771.5×
  187. 186Phra PradaengSamut Prakan, Thailand
    771.5×
  188. 186Saphan SungBangkok, Thailand
    771.5×
  189. 189AranyaprathetSa Kaeo, Thailand
    761.5×
  190. 189FanlingNorth District, Hong Kong
    761.5×
  191. 191Abujalow-cost sensorsFCT, Nigeria
    761.5×
  192. 192TrussvilleAlabama, United States
    761.5×
  193. 192Candler-McAfeeGeorgia, United States
    761.5×
  194. 194BelgradeCentral Serbia, Serbia
    761.5×
  195. 195Nakhon NayokNakhon Nayok, Thailand
    751.5×
  196. 196Nong ChokBangkok, Thailand
    751.5×
  197. 196Sha TinSha Tin, Hong Kong
    751.5×
  198. 196TocopillaAntofagasta, Chile
    751.5×
  199. 196Khan Na YaoBangkok, Thailand
    751.5×
  200. 200ŁukówLublin, Poland
    751.5×

Top 200 of 1,550 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 14, 2024, smogrank.com/history/2024-03-14 (accessed 3 Oct 2026).

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