SmogRank / History / April 13, 2024

Most polluted cities on April 13, 2024

2,249 cities ranked by their average PM2.5 over the day; the worst was N'Djamena, Chad, at 195.0 µg/m³. Each city's own local calendar day.

← N'Djamena 195.0 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for April 13, 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
    27013.0×
  2. 2CoyhaiqueAysén, Chile
    23110.4×
  3. 3Dhakalow-cost sensorsDhaka Division, Bangladesh
    1957.9×
  4. 4Kathmandulow-cost sensorsBagmati Province, Nepal
    1907.4×
  5. 5Ulan BatorUlaanbaatar, Mongolia
    1846.9×
  6. 6Ubon RatchathaniUbon Ratchathani, Thailand
    1846.8×
  7. 7KolkataWest Bengal, India
    1695.4×
  8. 8KalasinKalasin, Thailand
    1685.4×
  9. 9YasothonYasothon, Thailand
    1685.3×
  10. 10MukdahanMukdahan, Thailand
    1624.7×
  11. 11Roi EtRoi Et, Thailand
    1614.7×
  12. 12BeijingBeijing, China
    1614.7×
  13. 13Vientianelow-cost sensorsVientiane Prefecture, Laos
    1604.6×
  14. 14Amnat CharoenAmnat Charoen, Thailand
    1594.4×
  15. 15NacimientoBiobio, Chile
    1584.3×
  16. 16Khon KaenKhon Kaen, Thailand
    1544.0×
  17. 17SurinSurin, Thailand
    1544.0×
  18. 18CoronelBiobio, Chile
    1544.0×
  19. 19KanchanaburiKanchanaburi, Thailand
    1533.9×
  20. 20DelhiDelhi, India
    1523.8×
  21. 21Nakhon RatchasimaNakhon Ratchasima, Thailand
    1523.8×
  22. 22Si Sa KetSi Sa Ket, Thailand
    1513.7×
  23. 23Udon ThaniUdon Thani, Thailand
    1503.7×
  24. 23CuranilahueBiobio, Chile
    1503.7×
  25. 25Chai NatChai Nat, Thailand
    1433.5×
  26. 26Buri RamBuriram, Thailand
    1423.5×
  27. 27ChaiyaphumChaiyaphum, Thailand
    1413.5×
  28. 28Sakon NakhonSakon Nakhon, Thailand
    1393.4×
  29. 29Kamphaeng PhetKamphaeng Phet, Thailand
    1393.4×
  30. 30Sing BuriSing Buri, Thailand
    1373.3×
  31. 31Nakhon SawanNakhon Sawan, Thailand
    1353.3×
  32. 32Nong Bua LamphuNong Bua Lamphu, Thailand
    1353.3×
  33. 33Lahorelow-cost sensorsPunjab, Pakistan
    1343.2×
  34. 34TemucoAraucania, Chile
    1303.2×
  35. 35YangonYangon, Myanmar
    1283.1×
  36. 36Mae SaiChiang Rai, Thailand
    1283.1×
  37. 37LoeiLoei, Thailand
    1273.1×
  38. 38La OrotavaCanary Islands, Spain
    1263.0×
  39. 39HualquiBiobio, Chile
    1243.0×
  40. 40UttaraditUttaradit, Thailand
    1233.0×
  41. 41NanNan, Thailand
    1222.9×
  42. 42San CarlosÑuble, Chile
    1222.9×
  43. 43Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1212.9×
  44. 44SukhothaiSukhothai, Thailand
    1182.8×
  45. 45Si Maha PhotPrachin Buri, Thailand
    1182.8×
  46. 46ChillánÑuble, Chile
    1172.8×
  47. 47PhichitPhichit, Thailand
    1132.7×
  48. 48Lop BuriLopburi, Thailand
    1132.7×
  49. 49KigaliKigali, Rwanda
    1102.6×
  50. 50Los ÁngelesBiobio, Chile
    1102.6×
  51. 50HualpénBiobio, Chile
    1102.6×
  52. 52PhraePhrae, Thailand
    1072.5×
  53. 53Granadilla de AbonaCanary Islands, Spain
    1062.5×
  54. 54Chiang MaiChiang Mai, Thailand
    1062.5×
  55. 55Puerto AysénAysén, Chile
    1052.5×
  56. 56RatchaburiRatchaburi, Thailand
    1032.4×
  57. 56RancaguaO'Higgins Region, Chile
    1032.4×
  58. 58Suphan BuriSuphan Buri, Thailand
    1032.4×
  59. 59PhayaoPhayao, Thailand
    1032.4×
  60. 60PhetchabunPhetchabun, Thailand
    1022.4×
  61. 61Chiang RaiChiang Rai, Thailand
    1022.4×
  62. 62Puerto VarasLos Lagos Region, Chile
    1022.4×
  63. 62Puerto MonttLos Lagos Region, Chile
    1022.4×
  64. 64HanoiHanoi, Vietnam
    1002.4×
  65. 65TratTrat, Thailand
    1002.4×
  66. 65Nakhon NayokNakhon Nayok, Thailand
    1002.4×
  67. 67Puente AltoSantiago Metropolitan, Chile
    992.3×
  68. 68TalcahuanoBiobio, Chile
    982.3×
  69. 69LampangLampang, Thailand
    982.3×
  70. 70SarajevoFederation of B&H, Bosnia and Herzegovina
    962.2×
  71. 71GuangzhouGuangdong, China
    962.2×
  72. 72AranyaprathetSa Kaeo, Thailand
    952.2×
  73. 73SaraburiSaraburi, Thailand
    952.2×
  74. 74ShenyangLiaoning, China
    952.2×
  75. 75La UniónLos Ríos Region, Chile
    942.2×
  76. 76LamphunLamphun, Thailand
    942.1×
  77. 77Khlong Sam WaBangkok, Thailand
    932.1×
  78. 78HyderabadTelangana, India
    932.1×
  79. 78JinchengFukien, Taiwan
    932.1×
  80. 78BogatyniaLower Silesia, Poland
    932.1×
  81. 81ErlinTaiwan, Taiwan
    932.1×
  82. 81TaoyuanTaiwan, Taiwan
    932.1×
  83. 83JakartaJakarta, Indonesia
    932.1×
  84. 84DaxiTaiwan, Taiwan
    912.1×
  85. 85Khlong LuangPathum Thani, Thailand
    912.0×
  86. 86TangjinChungcheongnam-do, South Korea
    912.0×
  87. 87Bang NaBangkok, Thailand
    902.0×
  88. 88TaibaoTaiwan, Taiwan
    902.0×
  89. 88CuricóMaule Region, Chile
    902.0×
  90. 88ChiguayanteBiobio, Chile
    902.0×
  91. 91BeigangTaiwan, Taiwan
    902.0×
  92. 92CairoCairo, Egypt
    902.0×
  93. 93ZhushanTaiwan, Taiwan
    892.0×
  94. 94RengoO'Higgins Region, Chile
    892.0×
  95. 95ErlunTaiwan, Taiwan
    892.0×
  96. 96Wan ChaiWan Chai, Hong Kong
    881.9×
  97. 96GimcheonGyeongsangbuk-do, South Korea
    881.9×
  98. 98ChanthaburiChanthaburi, Thailand
    881.9×
  99. 99Almatylow-cost sensorsAlmaty, Kazakhstan
    881.9×
  100. 99ShulinTaipei, Taiwan
    881.9×
  101. 101DamyangJeollanam-do, South Korea
    871.9×
  102. 102Mueang NonthaburiNonthaburi, Thailand
    871.9×
  103. 102DouliuTaiwan, Taiwan
    871.9×
  104. 102YeongjuGyeongsangbuk-do, South Korea
    871.9×
  105. 105Santa Anita - Los FicusLima region, Peru
    871.9×
  106. 106PubalGyeonggi-do, South Korea
    871.9×
  107. 107ZhubeiTaiwan, Taiwan
    861.9×
  108. 108Nong KhaemBangkok, Thailand
    861.9×
  109. 108Ban Samae DamBangkok, Thailand
    861.9×
  110. 110TaipeiTaiwan, Taiwan
    861.9×
  111. 110NeiliTaiwan, Taiwan
    861.9×
  112. 112PuliTaiwan, Taiwan
    861.8×
  113. 113HsinchuTaiwan, Taiwan
    851.8×
  114. 113YeojuGyeonggi-do, South Korea
    851.8×
  115. 113SeonghwanChungcheongnam-do, South Korea
    851.8×
  116. 116PyeongtaekGyeonggi-do, South Korea
    851.8×
  117. 116QuillotaValparaiso, Chile
    851.8×
  118. 118PhetchaburiPhetchaburi, Thailand
    851.8×
  119. 119BangkokBangkok, Thailand
    841.8×
  120. 120ConcepciónBiobio, Chile
    841.8×
  121. 121Bang Bo DistrictSamut Prakan, Thailand
    831.8×
  122. 121ZhudongTaiwan, Taiwan
    831.8×
  123. 121SantiagoSantiago Metropolitan, Chile
    831.8×
  124. 124Chiayi CityTaiwan, Taiwan
    831.8×
  125. 124SokchoGangwon-do, South Korea
    831.8×
  126. 124ÖstersundJämtland, Sweden
    831.8×
  127. 127ĆuprijaCentral Serbia, Serbia
    831.8×
  128. 128Phra PradaengSamut Prakan, Thailand
    831.7×
  129. 129SangjuGyeongsangbuk-do, South Korea
    831.7×
  130. 129Donghae CityGangwon-do, South Korea
    831.7×
  131. 131GumiGyeongsangbuk-do, South Korea
    821.7×
  132. 131Icheon-siGyeonggi-do, South Korea
    821.7×
  133. 131New Taipei CityTaipei, Taiwan
    821.7×
  134. 134YesanChungcheongnam-do, South Korea
    821.7×
  135. 134Sai MaiBangkok, Thailand
    821.7×
  136. 136MungyeongGyeongsangbuk-do, South Korea
    821.7×
  137. 137ChennaiTamil Nadu, India
    811.7×
  138. 137SalorTashkent Region, Uzbekistan
    811.7×
  139. 137Bang KapiBangkok, Thailand
    811.7×
  140. 137HayangGyeongsangbuk-do, South Korea
    811.7×
  141. 141GangneungGangwon-do, South Korea
    811.7×
  142. 141JungpyongNorth Chungcheong, South Korea
    811.7×
  143. 141AndongGyeongsangbuk-do, South Korea
    811.7×
  144. 141ToméBiobio, Chile
    811.7×
  145. 145TaichungTaiwan, Taiwan
    811.7×
  146. 145San Pedro de la PazBiobio, Chile
    811.7×
  147. 147Chinch'ŏnNorth Chungcheong, South Korea
    811.7×
  148. 148Nakhon PathomNakhon Pathom, Thailand
    801.7×
  149. 149XizhiTaipei, Taiwan
    801.7×
  150. 149WaegwanGyeongsangbuk-do, South Korea
    801.7×
  151. 149Hwaseong-siGyeonggi-do, South Korea
    801.7×
  152. 149CauquenesMaule Region, Chile
    801.7×
  153. 153SalamancaGuanajuato, Mexico
    801.6×
  154. 154Ban Khlong PrawetBangkok, Thailand
    801.6×
  155. 155TetovoTetovo, North Macedonia
    791.6×
  156. 156Ban ChangRayong, Thailand
    791.6×
  157. 156ToufenTaiwan, Taiwan
    791.6×
  158. 158AsanChungcheongnam-do, South Korea
    791.6×
  159. 158AnseongGyeonggi-do, South Korea
    791.6×
  160. 160OsanGyeonggi-do, South Korea
    791.6×
  161. 160ChanghuaTaiwan, Taiwan
    791.6×
  162. 162TalaganteSantiago Metropolitan, Chile
    791.6×
  163. 162CelayaGuanajuato, Mexico
    791.6×
  164. 164SatunSatun, Thailand
    781.6×
  165. 164TalcaMaule Region, Chile
    781.6×
  166. 166WŏnjuGangwon-do, South Korea
    781.6×
  167. 167Samut PrakanSamut Prakan, Thailand
    781.6×
  168. 168Novi PazarCentral Serbia, Serbia
    781.6×
  169. 168Cheongju-siNorth Chungcheong, South Korea
    781.6×
  170. 168PesaroThe Marches, Italy
    781.6×
  171. 171GunsanJeollabuk-do, South Korea
    771.5×
  172. 172PhuketPhuket, Thailand
    771.5×
  173. 173PohangGyeongsangbuk-do, South Korea
    771.5×
  174. 173IncheonIncheon, South Korea
    771.5×
  175. 175Falconara MarittimaThe Marches, Italy
    761.5×
  176. 176ColomboWestern Province, Sri Lanka
    761.5×
  177. 176Tai PoTai Po, Hong Kong
    761.5×
  178. 176EisenGyeongsangbuk-do, South Korea
    761.5×
  179. 176Ansan-siGyeonggi-do, South Korea
    761.5×
  180. 176YeosuJeollanam-do, South Korea
    761.5×
  181. 181YecheonGyeongsangbuk-do, South Korea
    761.5×
  182. 181Abujalow-cost sensorsFCT, Nigeria
    761.5×
  183. 183Hua HinPrachuap Khiri Khan, Thailand
    761.5×
  184. 183RayongRayong, Thailand
    761.5×
  185. 185Tuen MunTuen Mun, Hong Kong
    751.5×
  186. 185YeongdongNorth Chungcheong, South Korea
    751.5×
  187. 185QuinteroValparaiso, Chile
    751.5×
  188. 188Islamabadlow-cost sensorsIslamabad, Pakistan
    751.5×
  189. 188BuanJeollabuk-do, South Korea
    751.5×
  190. 190ManamaManama, Bahrain
    751.5×
  191. 190RanongRanong province, Thailand
    751.5×
  192. 190Ban Talat BuengChon Buri, Thailand
    751.5×
  193. 193YongkangTaiwan, Taiwan
    751.5×
  194. 193NamsaJeollabuk-do, South Korea
    751.5×
  195. 195Hat YaiSongkhla, Thailand
    751.5×
  196. 195NantouTaiwan, Taiwan
    751.5×
  197. 195MiaoliTaiwan, Taiwan
    751.5×
  198. 195IksanJeollabuk-do, South Korea
    751.5×
  199. 195TocopillaAntofagasta, Chile
    751.5×
  200. 195OsornoLos Lagos Region, Chile
    751.5×

Top 200 of 2,249 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, April 13, 2024, smogrank.com/history/2024-04-13 (accessed 3 Oct 2026).

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