SmogRank / History / April 16, 2024

Most polluted cities on April 16, 2024

2,263 cities ranked by their average PM2.5 over the day; the worst was N'Djamena, Chad, at 110.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during April 16, 2024. All episodes.

← N'Djamena 110.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for April 16, 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
    1897.3×
  2. 2Kathmandulow-cost sensorsBagmati Province, Nepal
    1786.3×
  3. 3Ubon RatchathaniUbon Ratchathani, Thailand
    1715.6×
  4. 4Santa Anita - Los FicusLima region, Peru
    1665.1×
  5. 5KalasinKalasin, Thailand
    1614.7×
  6. 6Dhakalow-cost sensorsDhaka Division, Bangladesh
    1594.5×
  7. 7JeddahMecca Region, Saudi Arabia
    1564.1×
  8. 8MukdahanMukdahan, Thailand
    1554.1×
  9. 9Amnat CharoenAmnat Charoen, Thailand
    1523.8×
  10. 10SokchoGangwon-do, South Korea
    1523.8×
  11. 11YasothonYasothon, Thailand
    1513.7×
  12. 12KolkataWest Bengal, India
    1493.7×
  13. 13YangonYangon, Myanmar
    1393.4×
  14. 13Vientianelow-cost sensorsVientiane Prefecture, Laos
    1393.4×
  15. 15MumbaiMaharashtra, India
    1333.2×
  16. 16Roi EtRoi Et, Thailand
    1333.2×
  17. 17PhichitPhichit, Thailand
    1323.2×
  18. 18Chiang MaiChiang Mai, Thailand
    1303.2×
  19. 19UttaraditUttaradit, Thailand
    1283.1×
  20. 20BaghdadBaghdad, Iraq
    1273.1×
  21. 21Ciudad JuárezChihuahua, Mexico
    1263.0×
  22. 22VillarricaAraucania, Chile
    1243.0×
  23. 23HyderabadTelangana, India
    1233.0×
  24. 24CelayaGuanajuato, Mexico
    1182.8×
  25. 25NanNan, Thailand
    1172.8×
  26. 26Udon ThaniUdon Thani, Thailand
    1172.8×
  27. 27SukhothaiSukhothai, Thailand
    1162.8×
  28. 28Santa Cruz de TenerifeCanary Islands, Spain
    1152.8×
  29. 29Nakhon RatchasimaNakhon Ratchasima, Thailand
    1142.7×
  30. 30Kamphaeng PhetKamphaeng Phet, Thailand
    1122.7×
  31. 30Si Sa KetSi Sa Ket, Thailand
    1122.7×
  32. 32DelhiDelhi, India
    1122.7×
  33. 33Abujalow-cost sensorsFCT, Nigeria
    1112.6×
  34. 34PhraePhrae, Thailand
    1102.6×
  35. 35YeojuGyeonggi-do, South Korea
    1092.6×
  36. 36LamphunLamphun, Thailand
    1092.6×
  37. 37PhetchabunPhetchabun, Thailand
    1082.6×
  38. 38WŏnjuGangwon-do, South Korea
    1082.6×
  39. 39Khon KaenKhon Kaen, Thailand
    1082.6×
  40. 40Mae SaiChiang Rai, Thailand
    1062.5×
  41. 41Addis AbabaAddis Ababa, Ethiopia
    1052.5×
  42. 42SurinSurin, Thailand
    1042.5×
  43. 43BeijingBeijing, China
    1032.4×
  44. 44Nong Bua LamphuNong Bua Lamphu, Thailand
    1022.4×
  45. 45LampangLampang, Thailand
    1022.4×
  46. 45ShenyangLiaoning, China
    1022.4×
  47. 47PubalGyeonggi-do, South Korea
    1002.4×
  48. 48Icheon-siGyeonggi-do, South Korea
    992.3×
  49. 49Donghae CityGangwon-do, South Korea
    992.3×
  50. 50ChaiyaphumChaiyaphum, Thailand
    992.3×
  51. 51HanoiHanoi, Vietnam
    982.3×
  52. 51CoyhaiqueAysén, Chile
    982.3×
  53. 53Bucheon-siGyeonggi-do, South Korea
    982.3×
  54. 54Nakhon SawanNakhon Sawan, Thailand
    982.3×
  55. 54SeonghwanChungcheongnam-do, South Korea
    982.3×
  56. 56Goyang-siGyeonggi-do, South Korea
    972.3×
  57. 56HwadoGyeonggi-do, South Korea
    972.3×
  58. 58CairoCairo, Egypt
    972.3×
  59. 59PhayaoPhayao, Thailand
    952.2×
  60. 59NacimientoBiobio, Chile
    952.2×
  61. 61KanchanaburiKanchanaburi, Thailand
    952.2×
  62. 62OsanGyeonggi-do, South Korea
    942.2×
  63. 63Chai NatChai Nat, Thailand
    942.1×
  64. 64Buri RamBuriram, Thailand
    942.1×
  65. 64GangneungGangwon-do, South Korea
    942.1×
  66. 66JakartaJakarta, Indonesia
    932.1×
  67. 66Hwaseong-siGyeonggi-do, South Korea
    932.1×
  68. 68Sing BuriSing Buri, Thailand
    932.1×
  69. 69Ansan-siGyeonggi-do, South Korea
    932.1×
  70. 69TemucoAraucania, Chile
    932.1×
  71. 71Si Maha PhotPrachin Buri, Thailand
    922.1×
  72. 72San Luis PotosíSan Luis Potosí, Mexico
    922.1×
  73. 73PyeongtaekGyeonggi-do, South Korea
    912.1×
  74. 73Chinch'ŏnNorth Chungcheong, South Korea
    912.1×
  75. 75Lop BuriLopburi, Thailand
    912.0×
  76. 76YesanChungcheongnam-do, South Korea
    912.0×
  77. 77Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    902.0×
  78. 78Nakhon NayokNakhon Nayok, Thailand
    902.0×
  79. 79TangjinChungcheongnam-do, South Korea
    902.0×
  80. 79Victoria de DurangoDurango, Mexico
    902.0×
  81. 81Villa Poeta José Gálvez BarrenecheaLima region, Peru
    902.0×
  82. 82LugoGalicia, Spain
    902.0×
  83. 83Anyang-siGyeonggi-do, South Korea
    892.0×
  84. 83CuranilahueBiobio, Chile
    892.0×
  85. 85Gimpo-siGyeonggi-do, South Korea
    892.0×
  86. 85Hongch’ŏnGangwon-do, South Korea
    892.0×
  87. 87SeosanChungcheongnam-do, South Korea
    892.0×
  88. 87Jacobo HunterArequipa, Peru
    892.0×
  89. 89BeneventoCampania, Italy
    892.0×
  90. 90SeoulSeoul, South Korea
    881.9×
  91. 91GwangmyeongGyeonggi-do, South Korea
    881.9×
  92. 91SarajevoFederation of B&H, Bosnia and Herzegovina
    881.9×
  93. 93KoesanNorth Chungcheong, South Korea
    881.9×
  94. 94HualquiBiobio, Chile
    881.9×
  95. 95LoeiLoei, Thailand
    871.9×
  96. 95ShulinTaipei, Taiwan
    871.9×
  97. 95NajuJeollanam-do, South Korea
    871.9×
  98. 95GapyeongGyeonggi-do, South Korea
    871.9×
  99. 95AlgiersAlgiers, Algeria
    871.9×
  100. 100ChungjuNorth Chungcheong, South Korea
    871.9×
  101. 101ShanghaiShanghai, China
    871.9×
  102. 101IncheonIncheon, South Korea
    871.9×
  103. 103Yangp'yŏngGyeonggi-do, South Korea
    871.9×
  104. 103SantiagoSantiago Metropolitan, Chile
    871.9×
  105. 105RatchaburiRatchaburi, Thailand
    861.9×
  106. 105OsornoLos Lagos Region, Chile
    861.9×
  107. 107AgüimesCanary Islands, Spain
    861.9×
  108. 108Mae SotTak, Thailand
    861.9×
  109. 109KinzanChungcheongnam-do, South Korea
    861.9×
  110. 109JungpyongNorth Chungcheong, South Korea
    861.9×
  111. 111SantyokuGangwon-do, South Korea
    851.8×
  112. 111GumiGyeongsangbuk-do, South Korea
    851.8×
  113. 111Santa Cruz de la PalmaCanary Islands, Spain
    851.8×
  114. 114FunchalMadeira, Portugal
    851.8×
  115. 114CacémLisbon, Portugal
    851.8×
  116. 116GunsanJeollabuk-do, South Korea
    851.8×
  117. 117Chiang RaiChiang Rai, Thailand
    841.8×
  118. 117Guri-siGyeonggi-do, South Korea
    841.8×
  119. 117La UniónLos Ríos Region, Chile
    841.8×
  120. 120TratTrat, Thailand
    841.8×
  121. 120HsinchuTaiwan, Taiwan
    841.8×
  122. 120CandelariaCanary Islands, Spain
    841.8×
  123. 123Karachilow-cost sensorsSindh, Pakistan
    841.8×
  124. 123ChennaiTamil Nadu, India
    841.8×
  125. 123YeongjuGyeongsangbuk-do, South Korea
    841.8×
  126. 123IksanJeollabuk-do, South Korea
    841.8×
  127. 127ZhubeiTaiwan, Taiwan
    841.8×
  128. 127Khlong Sam WaBangkok, Thailand
    841.8×
  129. 129RuseRuse, Bulgaria
    841.8×
  130. 129Uijeongbu-siGyeonggi-do, South Korea
    841.8×
  131. 129JumunjinGangwon-do, South Korea
    841.8×
  132. 132XizhiTaipei, Taiwan
    831.8×
  133. 132SuwonGyeonggi-do, South Korea
    831.8×
  134. 134ĆuprijaCentral Serbia, Serbia
    831.8×
  135. 134SalamancaGuanajuato, Mexico
    831.8×
  136. 136GuangzhouGuangdong, China
    831.7×
  137. 136CheorwonGangwon-do, South Korea
    831.7×
  138. 138YecheonGyeongsangbuk-do, South Korea
    821.7×
  139. 139Novi PazarCentral Serbia, Serbia
    821.7×
  140. 139Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    821.7×
  141. 139HongseongChungcheongnam-do, South Korea
    821.7×
  142. 139AnseongGyeonggi-do, South Korea
    821.7×
  143. 143MaspalomasCanary Islands, Spain
    821.7×
  144. 144MungyeongGyeongsangbuk-do, South Korea
    821.7×
  145. 144San Luis de la PazGuanajuato, Mexico
    821.7×
  146. 146PuliTaiwan, Taiwan
    821.7×
  147. 147ÖstersundJämtland, Sweden
    811.7×
  148. 148SaraburiSaraburi, Thailand
    811.7×
  149. 148KosongGangwon-do, South Korea
    811.7×
  150. 148AndongGyeongsangbuk-do, South Korea
    811.7×
  151. 148RabinalBaja Verapaz, Guatemala
    811.7×
  152. 152JinchengFukien, Taiwan
    811.7×
  153. 153RancaguaO'Higgins Region, Chile
    811.7×
  154. 153Puente AltoSantiago Metropolitan, Chile
    811.7×
  155. 153León de los AldamaGuanajuato, Mexico
    811.7×
  156. 156Şabāḩ as SālimMubārak al Kabīr, Kuwait
    811.7×
  157. 156NeiliTaiwan, Taiwan
    811.7×
  158. 156DamyangJeollanam-do, South Korea
    811.7×
  159. 159Khlong LuangPathum Thani, Thailand
    801.7×
  160. 159YangjuGyeonggi-do, South Korea
    801.7×
  161. 159Las Palmas de Gran CanariaCanary Islands, Spain
    801.7×
  162. 159TaoyuanTaiwan, Taiwan
    801.7×
  163. 163AcerraCampania, Italy
    801.6×
  164. 164YeongdongNorth Chungcheong, South Korea
    801.6×
  165. 164HualpénBiobio, Chile
    801.6×
  166. 166TaipeiTaiwan, Taiwan
    801.6×
  167. 166DaxiTaiwan, Taiwan
    801.6×
  168. 166ZhushanTaiwan, Taiwan
    801.6×
  169. 169Bang NaBangkok, Thailand
    791.6×
  170. 169TeldeCanary Islands, Spain
    791.6×
  171. 169Puerto VarasLos Lagos Region, Chile
    791.6×
  172. 172NamsaJeollabuk-do, South Korea
    791.6×
  173. 172QuillotaValparaiso, Chile
    791.6×
  174. 174LimaLima Province, Peru
    791.6×
  175. 174IrapuatoGuanajuato, Mexico
    791.6×
  176. 176San CarlosÑuble, Chile
    781.6×
  177. 177KourouGuyane, French Guiana
    781.6×
  178. 177RengoO'Higgins Region, Chile
    781.6×
  179. 179WaegwanGyeongsangbuk-do, South Korea
    781.6×
  180. 179LawrencevilleGeorgia, United States
    781.6×
  181. 181Wan ChaiWan Chai, Hong Kong
    781.6×
  182. 182Mueang NonthaburiNonthaburi, Thailand
    781.6×
  183. 182SangjuGyeongsangbuk-do, South Korea
    781.6×
  184. 182HaenamJeollanam-do, South Korea
    781.6×
  185. 182Ulan BatorUlaanbaatar, Mongolia
    781.6×
  186. 182TalaganteSantiago Metropolitan, Chile
    781.6×
  187. 182CoronelBiobio, Chile
    781.6×
  188. 188PhetchaburiPhetchaburi, Thailand
    771.6×
  189. 189New Taipei CityTaipei, Taiwan
    771.5×
  190. 190CuricóMaule Region, Chile
    771.5×
  191. 191ZhudongTaiwan, Taiwan
    771.5×
  192. 191Taesal-liChungcheongnam-do, South Korea
    771.5×
  193. 191OndaValencia, Spain
    771.5×
  194. 191Puerto AysénAysén, Chile
    771.5×
  195. 195AranyaprathetSa Kaeo, Thailand
    771.5×
  196. 195ChinjuGyeongsangnam-do, South Korea
    771.5×
  197. 197ChillánÑuble, Chile
    771.5×
  198. 198Seongnam-siGyeonggi-do, South Korea
    761.5×
  199. 198Granadilla de AbonaCanary Islands, Spain
    761.5×
  200. 200NaplesCampania, Italy
    761.5×

Top 200 of 2,263 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 16, 2024, smogrank.com/history/2024-04-16 (accessed 3 Oct 2026).

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