SmogRank / History / July 30, 2024

Most polluted cities on July 30, 2024

2,203 cities ranked by their average PM2.5 over the day; the worst was Osorno, Chile, at 180.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during July 30, 2024. All episodes.

← Osorno 180.0 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for July 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
    25512.0×
  2. 2NacimientoBiobio, Chile
    2159.3×
  3. 3Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    2139.2×
  4. 4DushanbeDushanbe, Tajikistan
    2058.7×
  5. 5ShenyangLiaoning, China
    1978.1×
  6. 6HualpénBiobio, Chile
    1907.4×
  7. 7Puerto VarasLos Lagos Region, Chile
    1897.3×
  8. 8VillarricaAraucania, Chile
    1867.1×
  9. 9ValdiviaLos Ríos Region, Chile
    1846.8×
  10. 9HualquiBiobio, Chile
    1846.8×
  11. 11Santa Anita - Los FicusLima region, Peru
    1826.6×
  12. 12ChillánÑuble, Chile
    1816.5×
  13. 13CoronelBiobio, Chile
    1816.5×
  14. 14CuricóMaule Region, Chile
    1786.3×
  15. 15BakuBaki, Azerbaijan
    1776.2×
  16. 16TemucoAraucania, Chile
    1766.1×
  17. 17Los ÁngelesBiobio, Chile
    1766.1×
  18. 18TalcaMaule Region, Chile
    1735.8×
  19. 19RengoO'Higgins Region, Chile
    1715.6×
  20. 20CoyhaiqueAysén, Chile
    1675.2×
  21. 21RancaguaO'Higgins Region, Chile
    1624.8×
  22. 22Puerto MonttLos Lagos Region, Chile
    1604.6×
  23. 23Lahorelow-cost sensorsPunjab, Pakistan
    1594.5×
  24. 24TalcahuanoBiobio, Chile
    1594.4×
  25. 25CauquenesMaule Region, Chile
    1564.2×
  26. 26TalaganteSantiago Metropolitan, Chile
    1564.2×
  27. 27SantiagoSantiago Metropolitan, Chile
    1543.9×
  28. 28ChiguayanteBiobio, Chile
    1533.9×
  29. 29Kampalalow-cost sensorsCentral Region, Uganda
    1523.8×
  30. 30ConcepciónBiobio, Chile
    1403.4×
  31. 31QuillotaValparaiso, Chile
    1393.4×
  32. 32CairoCairo, Egypt
    1363.3×
  33. 33Puente AltoSantiago Metropolitan, Chile
    1363.3×
  34. 34LotaBiobio, Chile
    1333.2×
  35. 35LimaLima Province, Peru
    1323.2×
  36. 36QuilpuéValparaiso, Chile
    1323.2×
  37. 36Puerto AysénAysén, Chile
    1323.2×
  38. 38PécsBaranya, Hungary
    1303.1×
  39. 39ToméBiobio, Chile
    1273.1×
  40. 40StrumicaStrumica, North Macedonia
    1253.0×
  41. 41JakartaJakarta, Indonesia
    1243.0×
  42. 42San Francisco De BorjaLima region, Peru
    1243.0×
  43. 43San Pedro de la PazBiobio, Chile
    1233.0×
  44. 44Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1182.8×
  45. 45AntananarivoAnalamanga, Madagascar
    1182.8×
  46. 46MaputoMaputo City, Mozambique
    1172.8×
  47. 47Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1102.6×
  48. 48QuinteroValparaiso, Chile
    1082.6×
  49. 49CallaoCallao, Peru
    1072.5×
  50. 50Fort McMurrayAlberta, Canada
    1052.5×
  51. 51Viña del MarValparaiso, Chile
    1052.5×
  52. 52Dhakalow-cost sensorsDhaka Division, Bangladesh
    1032.4×
  53. 53BaghdadBaghdad, Iraq
    1002.3×
  54. 54AshgabatAshgabat, Turkmenistan
    972.2×
  55. 55DelhiDelhi, India
    922.1×
  56. 56ConcónValparaiso, Chile
    912.0×
  57. 57Nepeanlow-cost sensorsOntario, Canada
    881.9×
  58. 58Karachilow-cost sensorsSindh, Pakistan
    881.9×
  59. 59Addis AbabaAddis Ababa, Ethiopia
    861.9×
  60. 59PocatelloIdaho, United States
    861.9×
  61. 61ChennaiTamil Nadu, India
    851.8×
  62. 62SheridanWyoming, United States
    841.8×
  63. 63GilletteWyoming, United States
    841.8×
  64. 64MissionTexas, United States
    831.8×
  65. 65Corpus ChristiTexas, United States
    831.7×
  66. 66RidgecrestCalifornia, United States
    821.7×
  67. 67BillingsMontana, United States
    801.6×
  68. 68Heroica MatamorosTamaulipas, Mexico
    791.6×
  69. 68Lexingtonlow-cost sensorsMassachusetts, United States
    791.6×
  70. 70NewburghNew York, United States
    791.6×
  71. 71Idaho FallsIdaho, United States
    791.6×
  72. 72Port ArthurTexas, United States
    781.6×
  73. 72TooeleUtah, United States
    781.6×
  74. 74BozemanMontana, United States
    771.6×
  75. 75KolkataWest Bengal, India
    771.5×
  76. 76CalaisHauts-de-France, France
    761.5×
  77. 77EdinburgTexas, United States
    751.5×
  78. 77DuluthMinnesota, United States
    751.5×
  79. 77SuperiorWisconsin, United States
    751.5×
  80. 77Twin FallsIdaho, United States
    751.5×
  81. 77Rapid CitySouth Dakota, United States
    751.5×
  82. 82Villa Poeta José Gálvez BarrenecheaLima region, Peru
    751.5×
  83. 82RexburgIdaho, United States
    751.5×
  84. 84HoustonTexas, United States
    741.4×
  85. 84Prince AlbertSaskatchewan, Canada
    741.4×
  86. 86MeridianIdaho, United States
    741.4×
  87. 87LormontNew Aquitaine, France
    741.4×
  88. 88ChocopeLa Libertad, Peru
    741.4×
  89. 89CoquimboCoquimbo Region, Chile
    731.4×
  90. 90Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    721.4×
  91. 91HanoiHanoi, Vietnam
    721.4×
  92. 91Accralow-cost sensorsGreater Accra, Ghana
    721.4×
  93. 91Missouri CityTexas, United States
    721.4×
  94. 94ReginaSaskatchewan, Canada
    721.4×
  95. 95NampaIdaho, United States
    721.4×
  96. 96Jurong WestSingapore
    721.3×
  97. 96Jacobo HunterArequipa, Peru
    721.3×
  98. 98La SerenaCoquimbo Region, Chile
    711.3×
  99. 99EvergemFlanders, Belgium
    711.3×
  100. 100ConroeTexas, United States
    711.3×
  101. 100CondaIdaho, United States
    711.3×
  102. 102SaskatoonSaskatchewan, Canada
    711.3×
  103. 103BordeauxNew Aquitaine, France
    701.3×
  104. 104BaytownTexas, United States
    701.3×
  105. 104MillcreekUtah, United States
    701.3×
  106. 106Bang NaBangkok, Thailand
    701.3×
  107. 106Mission BendTexas, United States
    701.3×
  108. 106BendOregon, United States
    701.3×
  109. 109MilduraVictoria, Australia
    701.3×
  110. 110AricaArica y Parinacota Region, Chile
    691.3×
  111. 111DunkirkHauts-de-France, France
    691.3×
  112. 111GalvestonTexas, United States
    691.3×
  113. 111ButteMontana, United States
    691.3×
  114. 114DorvalQuebec, Canada
    691.2×
  115. 114AyaseKanagawa, Japan
    691.2×
  116. 116PérigueuxNew Aquitaine, France
    691.2×
  117. 117Islamabadlow-cost sensorsIslamabad, Pakistan
    681.2×
  118. 118Sorel-TracyQuebec, Canada
    681.2×
  119. 119AngoulêmeNew Aquitaine, France
    681.2×
  120. 119PasadenaTexas, United States
    681.2×
  121. 119MagnaUtah, United States
    681.2×
  122. 122Medicine HatAlberta, Canada
    671.2×
  123. 123ThessaloníkiCentral Macedonia, Greece
    671.2×
  124. 124La PorteTexas, United States
    671.2×
  125. 124MontréalQuebec, Canada
    671.2×
  126. 126YauriCuzco Department, Peru
    671.2×
  127. 126BoiseIdaho, United States
    671.2×
  128. 128ChicoCalifornia, United States
    671.2×
  129. 129SatunSatun, Thailand
    661.2×
  130. 129NarathiwatNarathiwat, Thailand
    661.2×
  131. 129DartfordEngland, United Kingdom
    661.2×
  132. 129RedmondOregon, United States
    661.2×
  133. 133Live OakTexas, United States
    661.2×
  134. 134Hat YaiSongkhla, Thailand
    661.1×
  135. 134ŌtsukiYamanashi, Japan
    661.1×
  136. 136YalaYala, Thailand
    661.1×
  137. 137KoksijdeFlanders, Belgium
    661.1×
  138. 138HelenaMontana, United States
    661.1×
  139. 138Rivière-des-Prairies–Pointe-aux-TremblesQuebec, Canada
    661.1×
  140. 140BeijingBeijing, China
    651.1×
  141. 140GotembaShizuoka, Japan
    651.1×
  142. 140North OgdenUtah, United States
    651.1×
  143. 143Ang Mo Kio New TownSingapore
    651.1×
  144. 144WangarattaVictoria, Australia
    651.1×
  145. 144BrossardQuebec, Canada
    651.1×
  146. 146ŌamiChiba, Japan
    641.1×
  147. 146MentonProvence-Alpes-Côte d'Azur, France
    641.1×
  148. 146AlbanyNew York, United States
    641.1×
  149. 149HanamGyeonggi-do, South Korea
    641.1×
  150. 150ChigasakiKanagawa, Japan
    641.1×
  151. 150HwadoGyeonggi-do, South Korea
    641.1×
  152. 150BrestBrittany, France
    641.1×
  153. 150OttawaOntario, Canada
    641.1×
  154. 154NumazuShizuoka, Japan
    641.1×
  155. 154Ulu BedokSingapore
    641.1×
  156. 154PortervilleCalifornia, United States
    641.1×
  157. 154West Valley CityUtah, United States
    641.1×
  158. 154Saphan SungBangkok, Thailand
    641.1×
  159. 159LafayetteLouisiana, United States
    631.1×
  160. 160Khon KaenKhon Kaen, Thailand
    631.0×
  161. 160GapyeongGyeonggi-do, South Korea
    631.0×
  162. 162NobeokaMiyazaki, Japan
    631.0×
  163. 162HiratsukaKanagawa, Japan
    631.0×
  164. 162BolzanoTrentino-Alto Adige, Italy
    631.0×
  165. 165ToulouseOccitanie, France
    631.0×
  166. 165Great FallsMontana, United States
    631.0×
  167. 167WoodlandsSingapore
    631.0×
  168. 167Fort LauderdaleFlorida, United States
    631.0×
  169. 169LamphunLamphun, Thailand
    631.0×
  170. 169Queenstown Estatelow-cost sensorsSingapore
    631.0×
  171. 169LewistonIdaho, United States
    631.0×
  172. 172AustinTexas, United States
    621.0×
  173. 172KenmoreNew York, United States
    621.0×
  174. 172GranbyQuebec, Canada
    621.0×
  175. 175NiceProvence-Alpes-Côte d'Azur, France
    621.0×
  176. 175RoveretoTrentino-Alto Adige, Italy
    621.0×
  177. 175PortlandMaine, United States
    621.0×
  178. 175Salt Lake CityUtah, United States
    621.0×
  179. 175MinamibōsōChiba, Japan
    621.0×
  180. 180KanchanaburiKanchanaburi, Thailand
    621.0×
  181. 180PauNew Aquitaine, France
    621.0×
  182. 180CannesProvence-Alpes-Côte d'Azur, France
    621.0×
  183. 180les EscaldesEscaldes-Engordany, Andorra
    621.0×
  184. 180Guatemala CityGuatemala, Guatemala
    621.0×
  185. 185HyderabadTelangana, India
    621.0×
  186. 185YeojuGyeonggi-do, South Korea
    621.0×
  187. 185College StationTexas, United States
    621.0×
  188. 185FontanaCalifornia, United States
    621.0×
  189. 189AiharaKanagawa, Japan
    621.0×
  190. 189CastresOccitanie, France
    621.0×
  191. 191PhuketPhuket, Thailand
    611.0×
  192. 191MinamirinkanKanagawa, Japan
    611.0×
  193. 191TarbesOccitanie, France
    611.0×
  194. 191ChikuseiIbaraki, Japan
    611.0×
  195. 195Lagoslow-cost sensorsLagos, Nigeria
    611.0×
  196. 196ShawiniganQuebec, Canada
    611.0×
  197. 197Chiang MaiChiang Mai, Thailand
    611.0×
  198. 197KimitsuChiba, Japan
    611.0×
  199. 197Ludwigshafen am RheinRheinland-Pfalz, Germany
    611.0×
  200. 197Romans-sur-IsèreAuvergne-Rhône-Alpes, France
    611.0×

Top 200 of 2,203 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, July 30, 2024, smogrank.com/history/2024-07-30 (accessed 3 Oct 2026).

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