SmogRank / History / April 15, 2024

Most polluted cities on April 15, 2024

2,218 cities ranked by their average PM2.5 over the day; the worst was Dhaka, Bangladesh, at 128.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during April 15, 2024. All episodes.

← Dhaka 128.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for April 15, 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. 1Dhakalow-cost sensorsDhaka Division, Bangladesh
    2038.5×
  2. 2N'DjamenaN’Djaména, Chad
    1978.1×
  3. 3Kathmandulow-cost sensorsBagmati Province, Nepal
    1968.0×
  4. 4Ciudad JuárezChihuahua, Mexico
    1766.1×
  5. 5DelhiDelhi, India
    1725.7×
  6. 6Ubon RatchathaniUbon Ratchathani, Thailand
    1695.4×
  7. 7ShenyangLiaoning, China
    1645.0×
  8. 8KolkataWest Bengal, India
    1614.6×
  9. 9MukdahanMukdahan, Thailand
    1604.6×
  10. 10CoyhaiqueAysén, Chile
    1584.4×
  11. 11Lahorelow-cost sensorsPunjab, Pakistan
    1574.2×
  12. 12Puerto AysénAysén, Chile
    1564.2×
  13. 13CuranilahueBiobio, Chile
    1564.2×
  14. 14KalasinKalasin, Thailand
    1544.0×
  15. 15Chiang MaiChiang Mai, Thailand
    1533.9×
  16. 16Puerto VarasLos Lagos Region, Chile
    1523.8×
  17. 17BeijingBeijing, China
    1503.7×
  18. 18Amnat CharoenAmnat Charoen, Thailand
    1483.6×
  19. 18OsornoLos Lagos Region, Chile
    1483.6×
  20. 20IlindenIlinden, North Macedonia
    1463.6×
  21. 21YasothonYasothon, Thailand
    1453.6×
  22. 22UttaraditUttaradit, Thailand
    1443.5×
  23. 23NacimientoBiobio, Chile
    1423.5×
  24. 24Udon ThaniUdon Thani, Thailand
    1363.3×
  25. 25NanNan, Thailand
    1353.3×
  26. 26LampangLampang, Thailand
    1323.2×
  27. 27YangonYangon, Myanmar
    1303.2×
  28. 28PhichitPhichit, Thailand
    1293.1×
  29. 29Roi EtRoi Et, Thailand
    1283.1×
  30. 30PhraePhrae, Thailand
    1273.1×
  31. 31Puerto MonttLos Lagos Region, Chile
    1263.0×
  32. 32Mae SaiChiang Rai, Thailand
    1253.0×
  33. 33Vientianelow-cost sensorsVientiane Prefecture, Laos
    1243.0×
  34. 33SocorroTexas, United States
    1243.0×
  35. 35Nakhon SawanNakhon Sawan, Thailand
    1202.9×
  36. 36Khon KaenKhon Kaen, Thailand
    1182.8×
  37. 37Nong Bua LamphuNong Bua Lamphu, Thailand
    1182.8×
  38. 38Chai NatChai Nat, Thailand
    1172.8×
  39. 39KanchanaburiKanchanaburi, Thailand
    1162.8×
  40. 39HualquiBiobio, Chile
    1162.8×
  41. 41LamphunLamphun, Thailand
    1132.7×
  42. 42ManamaManama, Bahrain
    1122.7×
  43. 42SukhothaiSukhothai, Thailand
    1122.7×
  44. 44KigaliKigali, Rwanda
    1112.6×
  45. 45SurinSurin, Thailand
    1112.6×
  46. 45FunchalMadeira, Portugal
    1112.6×
  47. 47Si Sa KetSi Sa Ket, Thailand
    1102.6×
  48. 48La UniónLos Ríos Region, Chile
    1102.6×
  49. 49HyderabadTelangana, India
    1082.6×
  50. 50BaghdadBaghdad, Iraq
    1082.5×
  51. 51MumbaiMaharashtra, India
    1072.5×
  52. 51CoronelBiobio, Chile
    1072.5×
  53. 53HanoiHanoi, Vietnam
    1062.5×
  54. 54ChaiyaphumChaiyaphum, Thailand
    1032.4×
  55. 55LoeiLoei, Thailand
    1032.4×
  56. 56Santa Cruz de TenerifeCanary Islands, Spain
    1032.4×
  57. 57Sing BuriSing Buri, Thailand
    1012.4×
  58. 58ShanghaiShanghai, China
    1012.4×
  59. 59Santa Anita - Los FicusLima region, Peru
    1002.3×
  60. 60TemucoAraucania, Chile
    992.3×
  61. 61Nakhon NayokNakhon Nayok, Thailand
    992.3×
  62. 62Si Maha PhotPrachin Buri, Thailand
    992.3×
  63. 63CelayaGuanajuato, Mexico
    972.3×
  64. 64CairoCairo, Egypt
    962.2×
  65. 64Buri RamBuriram, Thailand
    962.2×
  66. 66Mae SotTak, Thailand
    952.2×
  67. 67RatchaburiRatchaburi, Thailand
    952.2×
  68. 68Khlong Sam WaBangkok, Thailand
    932.1×
  69. 69PhetchabunPhetchabun, Thailand
    932.1×
  70. 69Lop BuriLopburi, Thailand
    932.1×
  71. 71Las Palmas de Gran CanariaCanary Islands, Spain
    912.1×
  72. 72Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    912.0×
  73. 73TratTrat, Thailand
    902.0×
  74. 74Victoria de DurangoDurango, Mexico
    892.0×
  75. 75Khlong LuangPathum Thani, Thailand
    892.0×
  76. 76El PasoTexas, United States
    892.0×
  77. 77BeneventoCampania, Italy
    881.9×
  78. 78BakuBaki, Azerbaijan
    881.9×
  79. 79ĆuprijaCentral Serbia, Serbia
    871.9×
  80. 80Santa Cruz de la PalmaCanary Islands, Spain
    871.9×
  81. 80Granadilla de AbonaCanary Islands, Spain
    871.9×
  82. 82PhuketPhuket, Thailand
    871.9×
  83. 83Shimo-tsumaIbaraki, Japan
    871.9×
  84. 83AgüimesCanary Islands, Spain
    871.9×
  85. 85MaspalomasCanary Islands, Spain
    861.9×
  86. 86Islamabadlow-cost sensorsIslamabad, Pakistan
    861.9×
  87. 87HualpénBiobio, Chile
    861.8×
  88. 88ÖstersundJämtland, Sweden
    851.8×
  89. 89Suphan BuriSuphan Buri, Thailand
    851.8×
  90. 90CártamaAndalusia, Spain
    851.8×
  91. 90Los ÁngelesBiobio, Chile
    851.8×
  92. 92Bang NaBangkok, Thailand
    851.8×
  93. 93ChanthaburiChanthaburi, Thailand
    851.8×
  94. 94Mueang NonthaburiNonthaburi, Thailand
    841.8×
  95. 95ChennaiTamil Nadu, India
    841.8×
  96. 96Karachilow-cost sensorsSindh, Pakistan
    831.8×
  97. 97AranyaprathetSa Kaeo, Thailand
    831.8×
  98. 97Jastrzębie ZdrójSilesia, Poland
    831.8×
  99. 99BangkokBangkok, Thailand
    831.8×
  100. 99ChillánÑuble, Chile
    831.8×
  101. 101PhetchaburiPhetchaburi, Thailand
    821.7×
  102. 102Ban Samae DamBangkok, Thailand
    821.7×
  103. 103Addis AbabaAddis Ababa, Ethiopia
    811.7×
  104. 104Nong ChokBangkok, Thailand
    811.7×
  105. 104Wan ChaiWan Chai, Hong Kong
    811.7×
  106. 106Nong KhaemBangkok, Thailand
    811.7×
  107. 106Nakhon PathomNakhon Pathom, Thailand
    811.7×
  108. 106Abujalow-cost sensorsFCT, Nigeria
    811.7×
  109. 106VillarricaAraucania, Chile
    811.7×
  110. 110Ban ChangRayong, Thailand
    801.6×
  111. 111SalorTashkent Region, Uzbekistan
    801.6×
  112. 111Phra PradaengSamut Prakan, Thailand
    801.6×
  113. 111CandelariaCanary Islands, Spain
    801.6×
  114. 114Bang Khun ThianBangkok, Thailand
    791.6×
  115. 114San CarlosÑuble, Chile
    791.6×
  116. 116Almatylow-cost sensorsAlmaty, Kazakhstan
    791.6×
  117. 116Bang KapiBangkok, Thailand
    791.6×
  118. 116Bang Bo DistrictSamut Prakan, Thailand
    791.6×
  119. 116AcerraCampania, Italy
    791.6×
  120. 120Sai MaiBangkok, Thailand
    791.6×
  121. 121Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    791.6×
  122. 121SarajevoFederation of B&H, Bosnia and Herzegovina
    791.6×
  123. 123ShulinTaipei, Taiwan
    781.6×
  124. 124JinchengFukien, Taiwan
    771.6×
  125. 125Hua HinPrachuap Khiri Khan, Thailand
    771.5×
  126. 126TaipeiTaiwan, Taiwan
    771.5×
  127. 127Ban Khlong PrawetBangkok, Thailand
    771.5×
  128. 128GuangzhouGuangdong, China
    771.5×
  129. 129Villa Poeta José Gálvez BarrenecheaLima region, Peru
    761.5×
  130. 130RanongRanong province, Thailand
    761.5×
  131. 130Samut PrakanSamut Prakan, Thailand
    761.5×
  132. 130Bielsko-BialaSilesia, Poland
    761.5×
  133. 133Surat ThaniSurat Thani, Thailand
    761.5×
  134. 133XizhiTaipei, Taiwan
    761.5×
  135. 133QuinteroValparaiso, Chile
    761.5×
  136. 133CauquenesMaule Region, Chile
    761.5×
  137. 137SokchoGangwon-do, South Korea
    761.5×
  138. 138TeldeCanary Islands, Spain
    761.5×
  139. 138ValdiviaLos Ríos Region, Chile
    761.5×
  140. 138QuillotaValparaiso, Chile
    761.5×
  141. 141PuliTaiwan, Taiwan
    751.5×
  142. 142Puerto del RosarioCanary Islands, Spain
    751.5×
  143. 143MóstolesMadrid, Spain
    741.4×
  144. 143ToméBiobio, Chile
    741.4×
  145. 145San IsidroCanary Islands, Spain
    741.4×
  146. 145Ciudad ApodacaNuevo León, Mexico
    741.4×
  147. 147Hat YaiSongkhla, Thailand
    741.4×
  148. 147AronaCanary Islands, Spain
    741.4×
  149. 149NaplesCampania, Italy
    741.4×
  150. 150TalcahuanoBiobio, Chile
    741.4×
  151. 151SalamancaGuanajuato, Mexico
    731.4×
  152. 152RayongRayong, Thailand
    731.4×
  153. 152IrapuatoGuanajuato, Mexico
    731.4×
  154. 154YeonilGyeongsangbuk-do, South Korea
    731.4×
  155. 154AlgiersAlgiers, Algeria
    731.4×
  156. 154Puente AltoSantiago Metropolitan, Chile
    731.4×
  157. 157Ban Talat BuengChon Buri, Thailand
    731.4×
  158. 157RacibórzSilesia, Poland
    731.4×
  159. 159Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    721.4×
  160. 159GainesvilleGeorgia, United States
    721.4×
  161. 159Lat KrabangBangkok, Thailand
    721.4×
  162. 162Donghae CityGangwon-do, South Korea
    721.4×
  163. 163ChiguayanteBiobio, Chile
    721.3×
  164. 164Tuen MunTuen Mun, Hong Kong
    711.3×
  165. 164TangjinChungcheongnam-do, South Korea
    711.3×
  166. 166Novi PazarCentral Serbia, Serbia
    711.3×
  167. 166León de los AldamaGuanajuato, Mexico
    711.3×
  168. 168ZhudongTaiwan, Taiwan
    711.3×
  169. 168LimaLima Province, Peru
    711.3×
  170. 168San Luis de la PazGuanajuato, Mexico
    711.3×
  171. 168TaoyuanTaiwan, Taiwan
    711.3×
  172. 172TalaganteSantiago Metropolitan, Chile
    711.3×
  173. 172SantiagoSantiago Metropolitan, Chile
    711.3×
  174. 174Nakhon Si ThammaratNakhon Si Thammarat, Thailand
    711.3×
  175. 174Grao de MurviedroValencia, Spain
    711.3×
  176. 174RancaguaO'Higgins Region, Chile
    711.3×
  177. 177Granite CityIllinois, United States
    701.3×
  178. 178ConcónValparaiso, Chile
    701.3×
  179. 179SangjuGyeongsangbuk-do, South Korea
    701.3×
  180. 179ArrecifeCanary Islands, Spain
    701.3×
  181. 179CuricóMaule Region, Chile
    701.3×
  182. 179ConcepciónBiobio, Chile
    701.3×
  183. 183Mong KokYau Tsim Mong District, Hong Kong
    701.3×
  184. 183ValenciaValencia, Spain
    701.3×
  185. 185DaxiTaiwan, Taiwan
    701.3×
  186. 185SeonghwanChungcheongnam-do, South Korea
    701.3×
  187. 187ZhushanTaiwan, Taiwan
    691.3×
  188. 187GangneungGangwon-do, South Korea
    691.3×
  189. 187ŻabbarĦaż-Żabbar, Malta
    691.3×
  190. 187SalernoCampania, Italy
    691.3×
  191. 191SevillaAndalusia, Spain
    691.3×
  192. 192YeojuGyeonggi-do, South Korea
    691.3×
  193. 192San Pedro de la PazBiobio, Chile
    691.3×
  194. 194Samut SakhonSamut Sakhon, Thailand
    691.2×
  195. 194AndongGyeongsangbuk-do, South Korea
    691.2×
  196. 194AricaArica y Parinacota Region, Chile
    691.2×
  197. 194New Taipei CityTaipei, Taiwan
    691.2×
  198. 198Viña del MarValparaiso, Chile
    691.2×
  199. 199PattaniPattani, Thailand
    681.2×
  200. 200ErlinTaiwan, Taiwan
    681.2×

Top 200 of 2,218 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 15, 2024, smogrank.com/history/2024-04-15 (accessed 3 Oct 2026).

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