SmogRank / History / May 30, 2024

Most polluted cities on May 30, 2024

2,285 cities ranked by their average PM2.5 over the day; the worst was Osorno, Chile, at 191.0 µg/m³. Each city's own local calendar day.

← Osorno 191.0 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for May 30, 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. 1OsornoLos Lagos Region, Chile
    26612.7×
  2. 2La UniónLos Ríos Region, Chile
    1897.3×
  3. 3Puerto VarasLos Lagos Region, Chile
    1846.8×
  4. 4Santa Anita - Los FicusLima region, Peru
    1796.4×
  5. 5CoyhaiqueAysén, Chile
    1755.9×
  6. 6N'DjamenaN’Djaména, Chad
    1745.8×
  7. 7RancaguaO'Higgins Region, Chile
    1735.8×
  8. 8CuricóMaule Region, Chile
    1705.6×
  9. 9TalaganteSantiago Metropolitan, Chile
    1655.1×
  10. 10TalcaMaule Region, Chile
    1655.1×
  11. 11RengoO'Higgins Region, Chile
    1634.8×
  12. 12SantiagoSantiago Metropolitan, Chile
    1594.5×
  13. 13BelmopanCayo District, Belize
    1574.3×
  14. 14BaghdadBaghdad, Iraq
    1564.2×
  15. 15Puerto MonttLos Lagos Region, Chile
    1544.0×
  16. 16Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    1544.0×
  17. 17QuilpuéValparaiso, Chile
    1533.9×
  18. 18BakuBaki, Azerbaijan
    1533.9×
  19. 19Puerto AysénAysén, Chile
    1523.8×
  20. 20TemucoAraucania, Chile
    1513.7×
  21. 21BendOregon, United States
    1503.7×
  22. 22Puente AltoSantiago Metropolitan, Chile
    1493.7×
  23. 23DelhiDelhi, India
    1473.6×
  24. 24Dhakalow-cost sensorsDhaka Division, Bangladesh
    1413.5×
  25. 25VillarricaAraucania, Chile
    1403.4×
  26. 26TolucaMéxico, Mexico
    1353.3×
  27. 27Kathmandulow-cost sensorsBagmati Province, Nepal
    1353.3×
  28. 28HualpénBiobio, Chile
    1343.2×
  29. 29ValdiviaLos Ríos Region, Chile
    1233.0×
  30. 30San CarlosÑuble, Chile
    1212.9×
  31. 31Islamabadlow-cost sensorsIslamabad, Pakistan
    1182.8×
  32. 31JakartaJakarta, Indonesia
    1182.8×
  33. 33QuillotaValparaiso, Chile
    1172.8×
  34. 34ToméBiobio, Chile
    1162.8×
  35. 35Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1162.8×
  36. 36CoronelBiobio, Chile
    1152.7×
  37. 37QuinteroValparaiso, Chile
    1152.7×
  38. 38ChillánÑuble, Chile
    1142.7×
  39. 39ConcepciónBiobio, Chile
    1142.7×
  40. 40Viña del MarValparaiso, Chile
    1082.6×
  41. 41HualquiBiobio, Chile
    1082.5×
  42. 42RangioraCanterbury, New Zealand
    1052.5×
  43. 43Addis AbabaAddis Ababa, Ethiopia
    1052.5×
  44. 44Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1052.5×
  45. 45La SerenaCoquimbo Region, Chile
    1032.4×
  46. 46NacimientoBiobio, Chile
    1012.4×
  47. 47MaputoMaputo City, Mozambique
    1012.4×
  48. 48CairoCairo, Egypt
    1002.4×
  49. 49HyderabadTelangana, India
    992.3×
  50. 50CauquenesMaule Region, Chile
    982.3×
  51. 51TalcahuanoBiobio, Chile
    952.2×
  52. 52Karachilow-cost sensorsSindh, Pakistan
    942.2×
  53. 52LimaLima Province, Peru
    942.2×
  54. 54CuranilahueBiobio, Chile
    942.1×
  55. 54ChiguayanteBiobio, Chile
    942.1×
  56. 56ConcónValparaiso, Chile
    932.1×
  57. 57MukdahanMukdahan, Thailand
    912.0×
  58. 58CoquimboCoquimbo Region, Chile
    902.0×
  59. 59BeijingBeijing, China
    892.0×
  60. 60KolkataWest Bengal, India
    892.0×
  61. 61Los ÁngelesBiobio, Chile
    881.9×
  62. 62AntofagastaAntofagasta, Chile
    871.9×
  63. 63HayangGyeongsangbuk-do, South Korea
    861.9×
  64. 64TepicNayarit, Mexico
    841.8×
  65. 65WaegwanGyeongsangbuk-do, South Korea
    841.8×
  66. 66CelayaGuanajuato, Mexico
    831.8×
  67. 67MissionTexas, United States
    831.8×
  68. 68Kampalalow-cost sensorsCentral Region, Uganda
    831.8×
  69. 69PohangGyeongsangbuk-do, South Korea
    821.7×
  70. 70San Luis de la PazGuanajuato, Mexico
    821.7×
  71. 71San Francisco De BorjaLima region, Peru
    811.7×
  72. 72KanchanaburiKanchanaburi, Thailand
    811.7×
  73. 73Live OakTexas, United States
    801.6×
  74. 74Guatemala CityGuatemala, Guatemala
    791.6×
  75. 75IrapuatoGuanajuato, Mexico
    791.6×
  76. 76HwawŏnDaegu, South Korea
    781.6×
  77. 77ShanghaiShanghai, China
    781.6×
  78. 78EisenGyeongsangbuk-do, South Korea
    781.6×
  79. 79EdinburgTexas, United States
    781.6×
  80. 80RabinalBaja Verapaz, Guatemala
    771.6×
  81. 81San Pedro de la PazBiobio, Chile
    771.5×
  82. 82Nong KhaemBangkok, Thailand
    761.5×
  83. 82DaeguDaegu, South Korea
    761.5×
  84. 84AricaArica y Parinacota Region, Chile
    761.5×
  85. 85MumbaiMaharashtra, India
    761.5×
  86. 85Jastrzębie ZdrójSilesia, Poland
    761.5×
  87. 85Eagle PassTexas, United States
    761.5×
  88. 88Sydneylow-cost sensorsNew South Wales, Australia
    761.5×
  89. 88TocopillaAntofagasta, Chile
    761.5×
  90. 90HanoiHanoi, Vietnam
    751.5×
  91. 90GuangzhouGuangdong, China
    751.5×
  92. 90Gyeongsan-siGyeongsangbuk-do, South Korea
    751.5×
  93. 93SangjuGyeongsangbuk-do, South Korea
    751.5×
  94. 93RacibórzSilesia, Poland
    751.5×
  95. 95AntananarivoAnalamanga, Madagascar
    751.5×
  96. 95Corpus ChristiTexas, United States
    751.5×
  97. 97Jacobo HunterArequipa, Peru
    741.4×
  98. 98TratTrat, Thailand
    741.4×
  99. 99YeonilGyeongsangbuk-do, South Korea
    731.4×
  100. 100ChristchurchCanterbury, New Zealand
    731.4×
  101. 100BurrianaValencia, Spain
    731.4×
  102. 102León de los AldamaGuanajuato, Mexico
    731.4×
  103. 103NanNan, Thailand
    731.4×
  104. 103ChangnyeongGyeongsangnam-do, South Korea
    731.4×
  105. 105San Juan del RíoQuerétaro, Mexico
    721.4×
  106. 106SokchoGangwon-do, South Korea
    721.3×
  107. 107YeongjuGyeongsangbuk-do, South Korea
    711.3×
  108. 108Bang NaBangkok, Thailand
    711.3×
  109. 109Ban Samae DamBangkok, Thailand
    711.3×
  110. 109San Miguel de AllendeGuanajuato, Mexico
    711.3×
  111. 109AguascalientesAguascalientes, Mexico
    711.3×
  112. 112JinchengFukien, Taiwan
    711.3×
  113. 112BailénAndalusia, Spain
    711.3×
  114. 112Imperial BeachCalifornia, United States
    711.3×
  115. 115PoriSatakunta, Finland
    711.3×
  116. 115Asunciónlow-cost sensorsAsuncion, Paraguay
    711.3×
  117. 117SarajevoFederation of B&H, Bosnia and Herzegovina
    711.3×
  118. 118TangjinChungcheongnam-do, South Korea
    701.3×
  119. 119Heroica MatamorosTamaulipas, Mexico
    701.3×
  120. 120Khlong Sam WaBangkok, Thailand
    701.3×
  121. 121SevillaAndalusia, Spain
    701.3×
  122. 122UžiceCentral Serbia, Serbia
    691.3×
  123. 123SeonghwanChungcheongnam-do, South Korea
    691.3×
  124. 123JaénAndalusia, Spain
    691.3×
  125. 123CalamaAntofagasta, Chile
    691.3×
  126. 126IksanJeollabuk-do, South Korea
    691.3×
  127. 126AndongGyeongsangbuk-do, South Korea
    691.3×
  128. 128MiryangGyeongsangnam-do, South Korea
    691.2×
  129. 129Khan Na YaoBangkok, Thailand
    691.2×
  130. 130Mae SaiChiang Rai, Thailand
    691.2×
  131. 131San AntonioTexas, United States
    681.2×
  132. 131Los AngelesCalifornia, United States
    681.2×
  133. 133YecheonGyeongsangbuk-do, South Korea
    681.2×
  134. 133GunsanJeollabuk-do, South Korea
    681.2×
  135. 133GumiGyeongsangbuk-do, South Korea
    681.2×
  136. 133Abujalow-cost sensorsFCT, Nigeria
    681.2×
  137. 137Goyang-siGyeonggi-do, South Korea
    681.2×
  138. 138EłkWarmia-Masuria, Poland
    681.2×
  139. 139UlsanUlsan, South Korea
    681.2×
  140. 139GimcheonGyeongsangbuk-do, South Korea
    681.2×
  141. 139JangheungJeollanam-do, South Korea
    681.2×
  142. 139ToruńKujawsko-Pomorskie, Poland
    681.2×
  143. 143TřinecMoravian-Silesian Region, Czechia
    671.2×
  144. 144BuanJeollabuk-do, South Korea
    671.2×
  145. 144Gimpo-siGyeonggi-do, South Korea
    671.2×
  146. 144KimjeJeollabuk-do, South Korea
    671.2×
  147. 147GrajewoPodlasie, Poland
    671.2×
  148. 147PyeongtaekGyeonggi-do, South Korea
    671.2×
  149. 147Bielsko-BialaSilesia, Poland
    671.2×
  150. 150HuelvaAndalusia, Spain
    671.2×
  151. 150ChocopeLa Libertad, Peru
    671.2×
  152. 152Si Maha PhotPrachin Buri, Thailand
    661.2×
  153. 152WłocławekKujawsko-Pomorskie, Poland
    661.2×
  154. 152KutnoŁódź Voivodeship, Poland
    661.2×
  155. 155Frýdek-MístekMoravian-Silesian Region, Czechia
    661.2×
  156. 155FontanaCalifornia, United States
    661.2×
  157. 157YeonggwangJeollanam-do, South Korea
    661.1×
  158. 157YeojuGyeonggi-do, South Korea
    661.1×
  159. 157NajuJeollanam-do, South Korea
    661.1×
  160. 157ChangwonGyeongsangnam-do, South Korea
    661.1×
  161. 157CallaoCallao, Peru
    661.1×
  162. 157BerkeleyCalifornia, United States
    661.1×
  163. 163KuopioNorth Savo, Finland
    661.1×
  164. 163Nakhon RatchasimaNakhon Ratchasima, Thailand
    661.1×
  165. 163DamyangJeollanam-do, South Korea
    661.1×
  166. 163OstravaMoravian-Silesian Region, Czechia
    661.1×
  167. 163KaliszGreater Poland, Poland
    661.1×
  168. 163SalamancaGuanajuato, Mexico
    661.1×
  169. 163BizenOkayama, Japan
    661.1×
  170. 170SkellefteåVästerbotten, Sweden
    661.1×
  171. 170ZhushanTaiwan, Taiwan
    661.1×
  172. 170Alto HospicioTarapacá, Chile
    661.1×
  173. 170Chula VistaCalifornia, United States
    661.1×
  174. 174ZhubeiTaiwan, Taiwan
    651.1×
  175. 174HitaOita, Japan
    651.1×
  176. 174TimaruCanterbury, New Zealand
    651.1×
  177. 174HavířovMoravian-Silesian Region, Czechia
    651.1×
  178. 178VilniusVilnius, Lithuania
    651.1×
  179. 178ŻyrardówMazovia, Poland
    651.1×
  180. 178MasanGwangju, South Korea
    651.1×
  181. 178GyeongjuGyeongsangbuk-do, South Korea
    651.1×
  182. 178PłockMazovia, Poland
    651.1×
  183. 183KalasinKalasin, Thailand
    651.1×
  184. 183Wan ChaiWan Chai, Hong Kong
    651.1×
  185. 183GwangmyeongGyeonggi-do, South Korea
    651.1×
  186. 186YuanlinTaiwan, Taiwan
    651.1×
  187. 186Santa Monicalow-cost sensorsCalifornia, United States
    651.1×
  188. 188AugustówPodlasie, Poland
    651.1×
  189. 188Amnat CharoenAmnat Charoen, Thailand
    651.1×
  190. 188MungyeongGyeongsangbuk-do, South Korea
    651.1×
  191. 188IncheonIncheon, South Korea
    651.1×
  192. 188CórdobaAndalusia, Spain
    651.1×
  193. 193ZhudongTaiwan, Taiwan
    641.1×
  194. 193OaklandCalifornia, United States
    641.1×
  195. 193AshburtonCanterbury, New Zealand
    641.1×
  196. 196SeoulSeoul, South Korea
    641.1×
  197. 196GuanajuatoGuanajuato, Mexico
    641.1×
  198. 196BurbankCalifornia, United States
    641.1×
  199. 199KoesanNorth Chungcheong, South Korea
    641.1×
  200. 199Agouralow-cost sensorsCalifornia, United States
    641.1×

Top 200 of 2,285 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, May 30, 2024, smogrank.com/history/2024-05-30 (accessed 3 Oct 2026).

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