SmogRank / History / March 19, 2024

Most polluted cities on March 19, 2024

1,487 cities ranked by their average PM2.5 over the day; the worst was N'Djamena, Chad, at 459.0 µg/m³. Each city's own local calendar day.

← N'Djamena 459.0 µg/m³ 400 µg/m³15 WHO 24-hour guideline
Every city ranked for March 19, 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
    500+30.6×
  2. 2Lahorelow-cost sensorsPunjab, Pakistan
    2209.7×
  3. 3Dhakalow-cost sensorsDhaka Division, Bangladesh
    2189.5×
  4. 4Kathmandulow-cost sensorsBagmati Province, Nepal
    1816.5×
  5. 5DelhiDelhi, India
    1806.4×
  6. 6Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1624.8×
  7. 7Los ÁngelesBiobio, Chile
    1584.4×
  8. 8Ulan BatorUlaanbaatar, Mongolia
    1403.4×
  9. 9CallaoCallao, Peru
    1343.3×
  10. 10YangonYangon, Myanmar
    1343.3×
  11. 11Islamabadlow-cost sensorsIslamabad, Pakistan
    1293.1×
  12. 12MumbaiMaharashtra, India
    1233.0×
  13. 13RadomskoŁódź Voivodeship, Poland
    1222.9×
  14. 14ŻywiecSilesia, Poland
    1212.9×
  15. 15AshgabatAshgabat, Turkmenistan
    1202.9×
  16. 16KigaliKigali, Rwanda
    1132.7×
  17. 17ZgierzŁódź Voivodeship, Poland
    1122.7×
  18. 18ShanghaiShanghai, China
    1112.6×
  19. 19HyderabadTelangana, India
    1102.6×
  20. 20TemucoAraucania, Chile
    1092.6×
  21. 21Puerto VarasLos Lagos Region, Chile
    1082.6×
  22. 22KościanGreater Poland, Poland
    1082.6×
  23. 23Bielsko-BialaSilesia, Poland
    1052.5×
  24. 24ŁaskŁódź Voivodeship, Poland
    1052.5×
  25. 25ChillánÑuble, Chile
    1042.5×
  26. 26KłodzkoLower Silesia, Poland
    1012.4×
  27. 27TocopillaAntofagasta, Chile
    992.3×
  28. 28RacibórzSilesia, Poland
    982.3×
  29. 29KutnoŁódź Voivodeship, Poland
    982.3×
  30. 30AlgiersAlgiers, Algeria
    982.3×
  31. 31Khlong LuangPathum Thani, Thailand
    972.3×
  32. 32Vientianelow-cost sensorsVientiane Prefecture, Laos
    962.2×
  33. 33Jastrzębie ZdrójSilesia, Poland
    962.2×
  34. 34San CarlosÑuble, Chile
    932.1×
  35. 35LazarevacCentral Serbia, Serbia
    932.1×
  36. 35WłocławekKujawsko-Pomorskie, Poland
    932.1×
  37. 37CoyhaiqueAysén, Chile
    922.1×
  38. 37Sai MaiBangkok, Thailand
    922.1×
  39. 39ŻyrardówMazovia, Poland
    912.1×
  40. 39DziałdowoWarmia-Masuria, Poland
    912.1×
  41. 41Nong KhaemBangkok, Thailand
    902.0×
  42. 42DębicaSubcarpathia, Poland
    902.0×
  43. 43Nakhon PathomNakhon Pathom, Thailand
    892.0×
  44. 43BangkokBangkok, Thailand
    892.0×
  45. 45Bang Khun ThianBangkok, Thailand
    892.0×
  46. 45ChaozhouTaiwan, Taiwan
    892.0×
  47. 45Khan Na YaoBangkok, Thailand
    892.0×
  48. 48Puente AltoSantiago Metropolitan, Chile
    892.0×
  49. 48NacimientoBiobio, Chile
    892.0×
  50. 50ChennaiTamil Nadu, India
    892.0×
  51. 50Bueng KumBangkok, Thailand
    892.0×
  52. 52Phra PradaengSamut Prakan, Thailand
    881.9×
  53. 53Saphan SungBangkok, Thailand
    881.9×
  54. 54Kampalalow-cost sensorsCentral Region, Uganda
    871.9×
  55. 55Karachilow-cost sensorsSindh, Pakistan
    871.9×
  56. 56Czechowice-DziedziceSilesia, Poland
    871.9×
  57. 57Lat KrabangBangkok, Thailand
    861.9×
  58. 58FengshanTakao, Taiwan
    851.8×
  59. 58BytówPomerania, Poland
    851.8×
  60. 58Puerto AysénAysén, Chile
    851.8×
  61. 61Mueang NonthaburiNonthaburi, Thailand
    851.8×
  62. 62QuillotaValparaiso, Chile
    851.8×
  63. 63HanoiHanoi, Vietnam
    841.8×
  64. 63KatowiceSilesia, Poland
    841.8×
  65. 63SantiagoSantiago Metropolitan, Chile
    841.8×
  66. 66KaliszGreater Poland, Poland
    841.8×
  67. 67PruszkówMazovia, Poland
    831.8×
  68. 67OtwockMazovia, Poland
    831.8×
  69. 69KaohsiungTakao, Taiwan
    821.7×
  70. 70Ban Khlong PrawetBangkok, Thailand
    821.7×
  71. 71QuinteroValparaiso, Chile
    821.7×
  72. 72Bang Bo DistrictSamut Prakan, Thailand
    811.7×
  73. 72Viña del MarValparaiso, Chile
    811.7×
  74. 74PuliTaiwan, Taiwan
    811.7×
  75. 75ShenyangLiaoning, China
    801.7×
  76. 76LęborkPomerania, Poland
    801.7×
  77. 76CauquenesMaule Region, Chile
    801.7×
  78. 78PrzemyślSubcarpathia, Poland
    801.6×
  79. 78ColomboWestern Province, Sri Lanka
    801.6×
  80. 80OpoleOpole Voivodeship, Poland
    791.6×
  81. 81RanongRanong province, Thailand
    791.6×
  82. 81Samut SakhonSamut Sakhon, Thailand
    791.6×
  83. 83MielecSubcarpathia, Poland
    791.6×
  84. 83Samut PrakanSamut Prakan, Thailand
    791.6×
  85. 83Wan ChaiWan Chai, Hong Kong
    791.6×
  86. 86JinchengFukien, Taiwan
    781.6×
  87. 86HualpénBiobio, Chile
    781.6×
  88. 88Addis AbabaAddis Ababa, Ethiopia
    781.6×
  89. 88TalaganteSantiago Metropolitan, Chile
    781.6×
  90. 90PoznańGreater Poland, Poland
    781.6×
  91. 91Gorzów WielkopolskiLubusz, Poland
    781.6×
  92. 92Quezon Citylow-cost sensorsNational Capital Region, Philippines
    771.5×
  93. 93AntananarivoAnalamanga, Madagascar
    771.5×
  94. 94Abujalow-cost sensorsFCT, Nigeria
    761.5×
  95. 94QuilpuéValparaiso, Chile
    761.5×
  96. 94CoquimboCoquimbo Region, Chile
    761.5×
  97. 94ConcónValparaiso, Chile
    761.5×
  98. 94Santa Anita - Los FicusLima region, Peru
    761.5×
  99. 99Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    761.5×
  100. 99Accralow-cost sensorsGreater Accra, Ghana
    761.5×
  101. 101YongkangTaiwan, Taiwan
    761.5×
  102. 101SarajevoFederation of B&H, Bosnia and Herzegovina
    761.5×
  103. 103WrocławLower Silesia, Poland
    751.5×
  104. 103Kędzierzyn-KoźleOpole Voivodeship, Poland
    751.5×
  105. 103AricaArica y Parinacota Region, Chile
    751.5×
  106. 106RadomMazovia, Poland
    751.5×
  107. 106CuricóMaule Region, Chile
    751.5×
  108. 108ZhushanTaiwan, Taiwan
    741.4×
  109. 108ŁódźŁódź Voivodeship, Poland
    741.4×
  110. 108Jelenia GóraLower Silesia, Poland
    741.4×
  111. 111ZemunCentral Serbia, Serbia
    741.4×
  112. 111ToméBiobio, Chile
    741.4×
  113. 113PančevoVojvodina, Serbia
    741.4×
  114. 114SremčicaCentral Serbia, Serbia
    731.4×
  115. 114La UniónLos Ríos Region, Chile
    731.4×
  116. 116Strzelce OpolskieOpole Voivodeship, Poland
    731.4×
  117. 117TalcaMaule Region, Chile
    731.4×
  118. 118SiedlceMazovia, Poland
    731.4×
  119. 118JakartaJakarta, Indonesia
    731.4×
  120. 118Puerto MonttLos Lagos Region, Chile
    731.4×
  121. 121Almatylow-cost sensorsAlmaty, Kazakhstan
    721.4×
  122. 121TainanTaiwan, Taiwan
    721.4×
  123. 123CalamaAntofagasta, Chile
    721.3×
  124. 124CuranilahueBiobio, Chile
    711.3×
  125. 124AntofagastaAntofagasta, Chile
    711.3×
  126. 126Skarżysko-KamiennaŚwiętokrzyskie, Poland
    711.3×
  127. 126Tuen MunTuen Mun, Hong Kong
    711.3×
  128. 126RengoO'Higgins Region, Chile
    711.3×
  129. 129OsornoLos Lagos Region, Chile
    711.3×
  130. 130RabinalBaja Verapaz, Guatemala
    711.3×
  131. 130CoronelBiobio, Chile
    711.3×
  132. 132CairoCairo, Egypt
    711.3×
  133. 133StarachowiceŚwiętokrzyskie, Poland
    711.3×
  134. 134BaghdadBaghdad, Iraq
    701.3×
  135. 134SzczecinWest Pomerania, Poland
    701.3×
  136. 134RancaguaO'Higgins Region, Chile
    701.3×
  137. 137ElblągWarmia-Masuria, Poland
    701.3×
  138. 138ZamośćLublin, Poland
    701.3×
  139. 138KościerzynaPomerania, Poland
    701.3×
  140. 138CopiapóAtacama, Chile
    701.3×
  141. 141LegionowoMazovia, Poland
    691.3×
  142. 141BeijingBeijing, China
    691.3×
  143. 143JeddahMecca Region, Saudi Arabia
    691.3×
  144. 143HualquiBiobio, Chile
    691.3×
  145. 145TarnówLesser Poland, Poland
    691.3×
  146. 145ŁukówLublin, Poland
    691.3×
  147. 147ToruńKujawsko-Pomorskie, Poland
    691.2×
  148. 148BakuBaki, Azerbaijan
    691.2×
  149. 148León de los AldamaGuanajuato, Mexico
    691.2×
  150. 150Chiayi CityTaiwan, Taiwan
    681.2×
  151. 151Konstancin-JeziornaMazovia, Poland
    681.2×
  152. 152TaibaoTaiwan, Taiwan
    671.2×
  153. 152La SerenaCoquimbo Region, Chile
    671.2×
  154. 154JarosławSubcarpathia, Poland
    671.2×
  155. 155KielceŚwiętokrzyskie, Poland
    661.2×
  156. 155BeigangTaiwan, Taiwan
    661.2×
  157. 155BydgoszczKujawsko-Pomorskie, Poland
    661.2×
  158. 158Guatemala CityGuatemala, Guatemala
    661.2×
  159. 159PłockMazovia, Poland
    661.1×
  160. 160WawerMazovia, Poland
    661.1×
  161. 160San Pedro de la PazBiobio, Chile
    661.1×
  162. 162ObrenovacCentral Serbia, Serbia
    661.1×
  163. 162PattaniPattani, Thailand
    661.1×
  164. 162DouliuTaiwan, Taiwan
    661.1×
  165. 162XinyingTaiwan, Taiwan
    661.1×
  166. 162NogalesSonora, Mexico
    661.1×
  167. 167TalcahuanoBiobio, Chile
    661.1×
  168. 168BelgradeCentral Serbia, Serbia
    651.1×
  169. 169ColumbiaTennessee, United States
    651.1×
  170. 170LublinLublin, Poland
    651.1×
  171. 170JenksOklahoma, United States
    651.1×
  172. 172San Tung Chung HangIslands, Hong Kong
    651.1×
  173. 173NiskoSubcarpathia, Poland
    641.1×
  174. 173KrakówLesser Poland, Poland
    641.1×
  175. 175MaputoMaputo City, Mozambique
    641.1×
  176. 175AstanaAstana, Kazakhstan
    641.1×
  177. 177GuanajuatoGuanajuato, Mexico
    641.1×
  178. 178GuangzhouGuangdong, China
    641.1×
  179. 178ConcepciónBiobio, Chile
    641.1×
  180. 180ŚwiecieKujawsko-Pomorskie, Poland
    641.1×
  181. 181ChiguayanteBiobio, Chile
    631.1×
  182. 182ErlinTaiwan, Taiwan
    631.0×
  183. 183GrajewoPodlasie, Poland
    631.0×
  184. 183NantouTaiwan, Taiwan
    631.0×
  185. 185MiyakonojōMiyazaki, Japan
    631.0×
  186. 185KanoyaKagoshima, Japan
    631.0×
  187. 187Tepeji del Río de OcampoHidalgo, Mexico
    621.0×
  188. 188San Francisco De BorjaLima region, Peru
    621.0×
  189. 189ErlunTaiwan, Taiwan
    621.0×
  190. 189ŻaryLubusz, Poland
    621.0×
  191. 189ParklandWashington, United States
    621.0×
  192. 192Kaseda-shirakameKagoshima, Japan
    611.0×
  193. 193FresnoCalifornia, United States
    611.0×
  194. 194SendaiKagoshima, Japan
    611.0×
  195. 194KagoshimaKagoshima, Japan
    611.0×
  196. 194PljevljaPljevlja, Montenegro
    611.0×
  197. 194RentonWashington, United States
    611.0×
  198. 198CorcoranCalifornia, United States
    611.0×
  199. 199Sevlievolow-cost sensorsGabrovo, Bulgaria
    611.0×
  200. 199YuanlinTaiwan, Taiwan
    611.0×

Top 200 of 1,487 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 19, 2024, smogrank.com/history/2024-03-19 (accessed 3 Oct 2026).

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