SmogRank / History / June 4, 2024

Most polluted cities on June 4, 2024

2,201 cities ranked by their average PM2.5 over the day; the worst was Coyhaique, Chile, at 166.5 µg/m³. Each city's own local calendar day.

Bad-air episodes during June 4, 2024. All episodes.

← Coyhaique 166.5 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for June 4, 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. 1CoyhaiqueAysén, Chile
    24211.1×
  2. 2HualpénBiobio, Chile
    2058.7×
  3. 3CuricóMaule Region, Chile
    1887.2×
  4. 4NacimientoBiobio, Chile
    1836.7×
  5. 5Santa Anita - Los FicusLima region, Peru
    1836.7×
  6. 6HualquiBiobio, Chile
    1796.3×
  7. 7SaltilloCoahuila, Mexico
    1725.7×
  8. 8CauquenesMaule Region, Chile
    1705.5×
  9. 9RancaguaO'Higgins Region, Chile
    1705.5×
  10. 10RengoO'Higgins Region, Chile
    1644.9×
  11. 11TlaquepaqueJalisco, Mexico
    1624.8×
  12. 12DelhiDelhi, India
    1624.7×
  13. 13TalcahuanoBiobio, Chile
    1614.6×
  14. 14TalcaMaule Region, Chile
    1614.6×
  15. 15JakartaJakarta, Indonesia
    1604.5×
  16. 16N'DjamenaN’Djaména, Chad
    1594.4×
  17. 17Los ÁngelesBiobio, Chile
    1574.3×
  18. 18Kathmandulow-cost sensorsBagmati Province, Nepal
    1574.3×
  19. 19Dhakalow-cost sensorsDhaka Division, Bangladesh
    1564.2×
  20. 20SantiagoSantiago Metropolitan, Chile
    1564.2×
  21. 21San CarlosÑuble, Chile
    1554.1×
  22. 22ChillánÑuble, Chile
    1523.8×
  23. 23CuranilahueBiobio, Chile
    1523.8×
  24. 24Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1493.7×
  25. 25ValdiviaLos Ríos Region, Chile
    1403.4×
  26. 26ChiguayanteBiobio, Chile
    1383.4×
  27. 27ConcepciónBiobio, Chile
    1343.3×
  28. 28Puente AltoSantiago Metropolitan, Chile
    1343.2×
  29. 29TemucoAraucania, Chile
    1333.2×
  30. 30TalaganteSantiago Metropolitan, Chile
    1323.2×
  31. 31CoronelBiobio, Chile
    1293.1×
  32. 32BaghdadBaghdad, Iraq
    1283.1×
  33. 33QuillotaValparaiso, Chile
    1273.1×
  34. 34San Pedro de la PazBiobio, Chile
    1273.1×
  35. 35Asunciónlow-cost sensorsAsuncion, Paraguay
    1273.1×
  36. 36OsornoLos Lagos Region, Chile
    1253.0×
  37. 37CairoCairo, Egypt
    1243.0×
  38. 38ToméBiobio, Chile
    1162.8×
  39. 39MissionTexas, United States
    1162.8×
  40. 40VillarricaAraucania, Chile
    1152.8×
  41. 41Islamabadlow-cost sensorsIslamabad, Pakistan
    1142.7×
  42. 41HanoiHanoi, Vietnam
    1142.7×
  43. 43BeijingBeijing, China
    1142.7×
  44. 44Puerto AysénAysén, Chile
    1112.6×
  45. 45La UniónLos Ríos Region, Chile
    1112.6×
  46. 46Live OakTexas, United States
    1082.5×
  47. 47Vientianelow-cost sensorsVientiane Prefecture, Laos
    1062.5×
  48. 48Kampalalow-cost sensorsCentral Region, Uganda
    1062.5×
  49. 49QuilpuéValparaiso, Chile
    1042.4×
  50. 50ManamaManama, Bahrain
    1022.4×
  51. 51San Francisco De BorjaLima region, Peru
    1022.4×
  52. 52Corpus ChristiTexas, United States
    1012.4×
  53. 53Addis AbabaAddis Ababa, Ethiopia
    1002.3×
  54. 54Heroica MatamorosTamaulipas, Mexico
    972.2×
  55. 55ShanghaiShanghai, China
    962.2×
  56. 56BeltonTexas, United States
    952.2×
  57. 57RangioraCanterbury, New Zealand
    942.2×
  58. 58Puerto VarasLos Lagos Region, Chile
    932.1×
  59. 59AustinTexas, United States
    922.1×
  60. 60EdinburgTexas, United States
    922.1×
  61. 61Puerto MonttLos Lagos Region, Chile
    912.1×
  62. 62Viña del MarValparaiso, Chile
    892.0×
  63. 63MukdahanMukdahan, Thailand
    892.0×
  64. 64CallaoCallao, Peru
    892.0×
  65. 65QuinteroValparaiso, Chile
    881.9×
  66. 65SaginawTexas, United States
    881.9×
  67. 67BakuBaki, Azerbaijan
    861.9×
  68. 68AshgabatAshgabat, Turkmenistan
    861.9×
  69. 68KolkataWest Bengal, India
    861.9×
  70. 70ConcónValparaiso, Chile
    851.8×
  71. 71Guatemala CityGuatemala, Guatemala
    851.8×
  72. 72La SerenaCoquimbo Region, Chile
    851.8×
  73. 73RabinalBaja Verapaz, Guatemala
    851.8×
  74. 74AntananarivoAnalamanga, Madagascar
    841.8×
  75. 74CelayaGuanajuato, Mexico
    841.8×
  76. 76San MarcosTexas, United States
    831.7×
  77. 77Şabāḩ as SālimMubārak al Kabīr, Kuwait
    821.7×
  78. 78San AntonioTexas, United States
    821.7×
  79. 79MumbaiMaharashtra, India
    811.7×
  80. 80CoquimboCoquimbo Region, Chile
    811.7×
  81. 80TaylorTexas, United States
    811.7×
  82. 82Fort WorthTexas, United States
    801.6×
  83. 83CorsicanaTexas, United States
    801.6×
  84. 84AthensAttica, Greece
    791.6×
  85. 85DallasTexas, United States
    781.6×
  86. 86IksanJeollabuk-do, South Korea
    781.6×
  87. 87Ban Samae DamBangkok, Thailand
    771.5×
  88. 88GuangzhouGuangdong, China
    761.5×
  89. 89College StationTexas, United States
    761.5×
  90. 90ChristchurchCanterbury, New Zealand
    761.5×
  91. 90TocopillaAntofagasta, Chile
    761.5×
  92. 90DentonTexas, United States
    761.5×
  93. 93RuseRuse, Bulgaria
    751.5×
  94. 94Quezon Citylow-cost sensorsNational Capital Region, Philippines
    751.5×
  95. 95NanNan, Thailand
    751.5×
  96. 96Santiago de QuerétaroQuerétaro, Mexico
    751.5×
  97. 96BensalemPennsylvania, United States
    751.5×
  98. 98CopiapóAtacama, Chile
    741.4×
  99. 98Eagle PassTexas, United States
    741.4×
  100. 100AricaArica y Parinacota Region, Chile
    741.4×
  101. 100Mission BendTexas, United States
    741.4×
  102. 102Abujalow-cost sensorsFCT, Nigeria
    741.4×
  103. 103NajuJeollanam-do, South Korea
    741.4×
  104. 104ConroeTexas, United States
    731.4×
  105. 105AnseongGyeonggi-do, South Korea
    731.4×
  106. 105TimaruCanterbury, New Zealand
    731.4×
  107. 107HyderabadTelangana, India
    731.4×
  108. 107HongseongChungcheongnam-do, South Korea
    731.4×
  109. 109Silao de la VictoriaGuanajuato, Mexico
    721.4×
  110. 109HoustonTexas, United States
    721.4×
  111. 111KimjeJeollabuk-do, South Korea
    721.4×
  112. 112DamyangJeollanam-do, South Korea
    721.3×
  113. 112BuanJeollabuk-do, South Korea
    721.3×
  114. 112KatowiceSilesia, Poland
    721.3×
  115. 112Missouri CityTexas, United States
    721.3×
  116. 116AshburtonCanterbury, New Zealand
    711.3×
  117. 117OurenseGalicia, Spain
    711.3×
  118. 117La Crescenta-Montroselow-cost sensorsCalifornia, United States
    711.3×
  119. 119YuanlinTaiwan, Taiwan
    711.3×
  120. 119León de los AldamaGuanajuato, Mexico
    711.3×
  121. 121GunsanJeollabuk-do, South Korea
    711.3×
  122. 121YauriCuzco Department, Peru
    711.3×
  123. 123PiraeusAttica, Greece
    701.3×
  124. 123RacibórzSilesia, Poland
    701.3×
  125. 125San Juan del RíoQuerétaro, Mexico
    701.3×
  126. 126AcharnésAttica, Greece
    691.3×
  127. 126KanchanaburiKanchanaburi, Thailand
    691.3×
  128. 126WanjuJeollabuk-do, South Korea
    691.3×
  129. 126NamsaJeollabuk-do, South Korea
    691.3×
  130. 126CalamaAntofagasta, Chile
    691.3×
  131. 131TangjinChungcheongnam-do, South Korea
    691.3×
  132. 132Jastrzębie ZdrójSilesia, Poland
    691.3×
  133. 133Nakhon SawanNakhon Sawan, Thailand
    691.2×
  134. 133ChocopeLa Libertad, Peru
    691.2×
  135. 135YesanChungcheongnam-do, South Korea
    681.2×
  136. 136BuziTaiwan, Taiwan
    681.2×
  137. 136FontanaCalifornia, United States
    681.2×
  138. 136Saphan SungBangkok, Thailand
    681.2×
  139. 139San Miguel de AllendeGuanajuato, Mexico
    681.2×
  140. 140Si Maha PhotPrachin Buri, Thailand
    681.2×
  141. 140NonsanChungcheongnam-do, South Korea
    681.2×
  142. 140San Luis de la PazGuanajuato, Mexico
    681.2×
  143. 140PhiladelphiaPennsylvania, United States
    681.2×
  144. 144DouliuTaiwan, Taiwan
    671.2×
  145. 144ZhushanTaiwan, Taiwan
    671.2×
  146. 144PasadenaTexas, United States
    671.2×
  147. 147Bang NaBangkok, Thailand
    671.2×
  148. 148ErlinTaiwan, Taiwan
    671.2×
  149. 148VigoGalicia, Spain
    671.2×
  150. 150Nong KhaemBangkok, Thailand
    661.2×
  151. 150SokchoGangwon-do, South Korea
    661.2×
  152. 150BuyeoChungcheongnam-do, South Korea
    661.2×
  153. 150Koch'angJeollabuk-do, South Korea
    661.2×
  154. 150New CityNew York, United States
    661.2×
  155. 155DushanbeDushanbe, Tajikistan
    661.2×
  156. 155TaichungTaiwan, Taiwan
    661.2×
  157. 155BoryeongChungcheongnam-do, South Korea
    661.2×
  158. 155YŏnmuChungcheongnam-do, South Korea
    661.2×
  159. 155SarajevoFederation of B&H, Bosnia and Herzegovina
    661.2×
  160. 155ChimboteAncash, Peru
    661.2×
  161. 155Piedras NegrasCoahuila, Mexico
    661.2×
  162. 162RadomMazovia, Poland
    661.1×
  163. 162YasothonYasothon, Thailand
    661.1×
  164. 162Fort LeeNew Jersey, United States
    661.1×
  165. 165NewburghNew York, United States
    661.1×
  166. 165JeongeupJeollabuk-do, South Korea
    661.1×
  167. 167Los AngelesCalifornia, United States
    661.1×
  168. 168SiedlceMazovia, Poland
    661.1×
  169. 168PatersonNew Jersey, United States
    661.1×
  170. 170BeigangTaiwan, Taiwan
    651.1×
  171. 170MasanGwangju, South Korea
    651.1×
  172. 170Alto HospicioTarapacá, Chile
    651.1×
  173. 173LublinLublin, Poland
    651.1×
  174. 174Jersey CityNew Jersey, United States
    651.1×
  175. 175KalasinKalasin, Thailand
    651.1×
  176. 175New York CityNew York, United States
    651.1×
  177. 175Santa ClaritaCalifornia, United States
    651.1×
  178. 178Nakhon RatchasimaNakhon Ratchasima, Thailand
    651.1×
  179. 178ErlunTaiwan, Taiwan
    651.1×
  180. 178ZhubeiTaiwan, Taiwan
    651.1×
  181. 178MaldegemFlanders, Belgium
    651.1×
  182. 178GuanajuatoGuanajuato, Mexico
    651.1×
  183. 183A CoruñaGalicia, Spain
    641.1×
  184. 184ŁukówLublin, Poland
    641.1×
  185. 184IrapuatoGuanajuato, Mexico
    641.1×
  186. 186KhalándrionAttica, Greece
    641.1×
  187. 186ChanghuaTaiwan, Taiwan
    641.1×
  188. 186EvergemFlanders, Belgium
    641.1×
  189. 186LindenNew Jersey, United States
    641.1×
  190. 186BanningCalifornia, United States
    641.1×
  191. 191Konstancin-JeziornaMazovia, Poland
    641.1×
  192. 191Nakhon NayokNakhon Nayok, Thailand
    641.1×
  193. 191Wan ChaiWan Chai, Hong Kong
    641.1×
  194. 191VallettaValletta, Malta
    641.1×
  195. 191ElizabethNew Jersey, United States
    641.1×
  196. 191Khan Na YaoBangkok, Thailand
    641.1×
  197. 197ŻabbarĦaż-Żabbar, Malta
    641.1×
  198. 198SaraburiSaraburi, Thailand
    631.1×
  199. 198Phra PradaengSamut Prakan, Thailand
    631.1×
  200. 198BangkokBangkok, Thailand
    631.1×

Top 200 of 2,201 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, June 4, 2024, smogrank.com/history/2024-06-04 (accessed 3 Oct 2026).

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