SmogRank / History / July 17, 2024

Most polluted cities on July 17, 2024

2,233 cities ranked by their average PM2.5 over the day; the worst was Coyhaique, Chile, at 114.5 µg/m³. Each city's own local calendar day.

← Coyhaique 114.5 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for July 17, 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
    1927.6×
  2. 2Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1907.4×
  3. 3NacimientoBiobio, Chile
    1907.4×
  4. 4OsornoLos Lagos Region, Chile
    1887.2×
  5. 5ChillánÑuble, Chile
    1806.5×
  6. 6CuricóMaule Region, Chile
    1776.2×
  7. 7TalcaMaule Region, Chile
    1745.8×
  8. 8RengoO'Higgins Region, Chile
    1735.8×
  9. 9RancaguaO'Higgins Region, Chile
    1725.7×
  10. 10MaputoMaputo City, Mozambique
    1685.3×
  11. 11TalaganteSantiago Metropolitan, Chile
    1675.2×
  12. 12Santa Anita - Los FicusLima region, Peru
    1655.0×
  13. 13VillarricaAraucania, Chile
    1634.8×
  14. 14Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1624.8×
  15. 15Lahorelow-cost sensorsPunjab, Pakistan
    1614.6×
  16. 16ValdiviaLos Ríos Region, Chile
    1604.5×
  17. 17CoronelBiobio, Chile
    1584.3×
  18. 18SantiagoSantiago Metropolitan, Chile
    1574.3×
  19. 19QuilpuéValparaiso, Chile
    1554.1×
  20. 19La UniónLos Ríos Region, Chile
    1554.1×
  21. 21Puerto VarasLos Lagos Region, Chile
    1533.9×
  22. 22QuillotaValparaiso, Chile
    1523.8×
  23. 23Los ÁngelesBiobio, Chile
    1523.8×
  24. 24CairoCairo, Egypt
    1513.7×
  25. 25CuranilahueBiobio, Chile
    1473.6×
  26. 26Puente AltoSantiago Metropolitan, Chile
    1443.5×
  27. 27Puerto MonttLos Lagos Region, Chile
    1393.4×
  28. 28AntananarivoAnalamanga, Madagascar
    1373.3×
  29. 29HualpénBiobio, Chile
    1343.2×
  30. 30JakartaJakarta, Indonesia
    1333.2×
  31. 31Viña del MarValparaiso, Chile
    1293.1×
  32. 31TemucoAraucania, Chile
    1293.1×
  33. 33Kampalalow-cost sensorsCentral Region, Uganda
    1273.1×
  34. 34Dhakalow-cost sensorsDhaka Division, Bangladesh
    1273.1×
  35. 35SarajevoFederation of B&H, Bosnia and Herzegovina
    1253.0×
  36. 36ChiguayanteBiobio, Chile
    1182.8×
  37. 37Islamabadlow-cost sensorsIslamabad, Pakistan
    1152.7×
  38. 37La SerenaCoquimbo Region, Chile
    1152.7×
  39. 39QuinteroValparaiso, Chile
    1122.7×
  40. 40Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    1122.7×
  41. 41ConcepciónBiobio, Chile
    1082.6×
  42. 42TalcahuanoBiobio, Chile
    1022.4×
  43. 43LimaLima Province, Peru
    992.3×
  44. 44ChocopeLa Libertad, Peru
    962.2×
  45. 45ConcónValparaiso, Chile
    962.2×
  46. 46KitamiHokkaido, Japan
    962.2×
  47. 47BaghdadBaghdad, Iraq
    942.2×
  48. 48LotaBiobio, Chile
    942.1×
  49. 49Addis AbabaAddis Ababa, Ethiopia
    942.1×
  50. 49DelhiDelhi, India
    942.1×
  51. 51San Francisco De BorjaLima region, Peru
    932.1×
  52. 52BitolaBitola, North Macedonia
    932.1×
  53. 53DushanbeDushanbe, Tajikistan
    922.1×
  54. 54TolucaMéxico, Mexico
    922.1×
  55. 55Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    912.0×
  56. 55Karachilow-cost sensorsSindh, Pakistan
    912.0×
  57. 57CallaoCallao, Peru
    881.9×
  58. 57Ciudad Benito JuárezNuevo León, Mexico
    881.9×
  59. 59HanoiHanoi, Vietnam
    871.9×
  60. 60GyöngyösHeves County, Hungary
    861.9×
  61. 61Şabāḩ as SālimMubārak al Kabīr, Kuwait
    841.8×
  62. 62Jacobo HunterArequipa, Peru
    841.8×
  63. 63TarnówLesser Poland, Poland
    841.8×
  64. 63UžiceCentral Serbia, Serbia
    841.8×
  65. 65AsahikawaHokkaido, Japan
    811.7×
  66. 66SaskatoonSaskatchewan, Canada
    801.6×
  67. 67Villa Poeta José Gálvez BarrenecheaLima region, Peru
    801.6×
  68. 68Prince AlbertSaskatchewan, Canada
    791.6×
  69. 69KošiceKošice Region, Slovakia
    791.6×
  70. 69Bang NaBangkok, Thailand
    791.6×
  71. 69Accralow-cost sensorsGreater Accra, Ghana
    791.6×
  72. 69LewistonIdaho, United States
    791.6×
  73. 73PrešovPrešov Region, Slovakia
    761.5×
  74. 74HirosakiAomori, Japan
    751.5×
  75. 75Fort McMurrayAlberta, Canada
    751.5×
  76. 76VarnaVarna, Bulgaria
    741.4×
  77. 77MentonProvence-Alpes-Côte d'Azur, France
    741.4×
  78. 77MillcreekUtah, United States
    741.4×
  79. 79Kathmandulow-cost sensorsBagmati Province, Nepal
    741.4×
  80. 80MiskolcBorsod-Abaúj-Zemplén, Hungary
    731.4×
  81. 80ObrenovacCentral Serbia, Serbia
    731.4×
  82. 80São PauloSão Paulo, Brazil
    731.4×
  83. 83SagaeYamagata, Japan
    731.4×
  84. 83KomárnoNitra Region, Slovakia
    731.4×
  85. 83ButteMontana, United States
    731.4×
  86. 86Cluj-NapocaCluj County, Romania
    721.4×
  87. 87BakuBaki, Azerbaijan
    721.4×
  88. 87RabinalBaja Verapaz, Guatemala
    721.4×
  89. 87ChimboteAncash, Peru
    721.4×
  90. 90KavadarciKavadarci, North Macedonia
    711.3×
  91. 90Jurong WestSingapore
    711.3×
  92. 92AricaArica y Parinacota Region, Chile
    711.3×
  93. 92YauriCuzco Department, Peru
    711.3×
  94. 94BeijingBeijing, China
    711.3×
  95. 94FutogVojvodina, Serbia
    711.3×
  96. 96ChitoseHokkaido, Japan
    701.3×
  97. 96Jardines de la SillaNuevo León, Mexico
    701.3×
  98. 98BelgradeCentral Serbia, Serbia
    701.3×
  99. 98ShanghaiShanghai, China
    701.3×
  100. 98Twin FallsIdaho, United States
    701.3×
  101. 101Asunciónlow-cost sensorsAsuncion, Paraguay
    701.3×
  102. 102Guatemala CityGuatemala, Guatemala
    701.3×
  103. 103RuseRuse, Bulgaria
    701.3×
  104. 103Lat KrabangBangkok, Thailand
    701.3×
  105. 105AomoriAomori, Japan
    691.3×
  106. 106KrosnoSubcarpathia, Poland
    691.3×
  107. 107HelenaMontana, United States
    691.2×
  108. 108ŌitaOita, Japan
    691.2×
  109. 109HachinoheAomori, Japan
    691.2×
  110. 109Banja LukaSrpska, Bosnia and Herzegovina
    691.2×
  111. 111Samut SakhonSamut Sakhon, Thailand
    681.2×
  112. 112LučenecBanská Bystrica Region, Slovakia
    681.2×
  113. 113MoriokaIwate, Japan
    681.2×
  114. 114Si Maha PhotPrachin Buri, Thailand
    681.2×
  115. 115ŌdateAkita, Japan
    671.2×
  116. 115Falconara MarittimaThe Marches, Italy
    671.2×
  117. 115MissoulaMontana, United States
    671.2×
  118. 118Ang Mo Kio New TownSingapore
    671.2×
  119. 119Novi SadVojvodina, Serbia
    671.2×
  120. 120VallettaValletta, Malta
    671.2×
  121. 120RužomberokŽilina Region, Slovakia
    671.2×
  122. 122TooeleUtah, United States
    671.2×
  123. 122Nepeanlow-cost sensorsOntario, Canada
    671.2×
  124. 124ŻabbarĦaż-Żabbar, Malta
    661.2×
  125. 125Novi PazarCentral Serbia, Serbia
    661.2×
  126. 125GoshogawaraAomori, Japan
    661.2×
  127. 127San Pawl il-BaħarSaint Paul’s Bay, Malta
    661.1×
  128. 128TrebišovKošice Region, Slovakia
    661.1×
  129. 128N'DjamenaN’Djaména, Chad
    661.1×
  130. 130ObihiroHokkaido, Japan
    661.1×
  131. 131NitraNitra Region, Slovakia
    661.1×
  132. 132NyíregyházaSzabolcs-Szatmár-Bereg, Hungary
    651.1×
  133. 133Nong KhaemBangkok, Thailand
    651.1×
  134. 133ZvolenBanská Bystrica Region, Slovakia
    651.1×
  135. 133RangioraCanterbury, New Zealand
    651.1×
  136. 136VelesVeles, North Macedonia
    651.1×
  137. 136TimaruCanterbury, New Zealand
    651.1×
  138. 138BucharestBucharest, Romania
    651.1×
  139. 138TakizawaIwate, Japan
    651.1×
  140. 140AshburtonCanterbury, New Zealand
    641.1×
  141. 141HumennéPrešov Region, Slovakia
    641.1×
  142. 141SapporoHokkaido, Japan
    641.1×
  143. 143MostaIl-Mosta, Malta
    641.1×
  144. 143PartizánskeTrenčín Region, Slovakia
    641.1×
  145. 143HerrimanUtah, United States
    641.1×
  146. 146YamagataYamagata, Japan
    641.1×
  147. 146DunaújvárosFejér, Hungary
    641.1×
  148. 148TetovoTetovo, North Macedonia
    631.1×
  149. 148GostivarGostivar, North Macedonia
    631.1×
  150. 148Phra PradaengSamut Prakan, Thailand
    631.1×
  151. 148MitoIbaraki, Japan
    631.1×
  152. 148CieszynSilesia, Poland
    631.1×
  153. 148Saphan SungBangkok, Thailand
    631.1×
  154. 154IaşiIași County, Romania
    631.0×
  155. 154StrumicaStrumica, North Macedonia
    631.0×
  156. 154SakataYamagata, Japan
    631.0×
  157. 154KamloopsBritish Columbia, Canada
    631.0×
  158. 158ThessaloníkiCentral Macedonia, Greece
    631.0×
  159. 158TrentoTrentino-Alto Adige, Italy
    631.0×
  160. 158El CentroCalifornia, United States
    631.0×
  161. 158MagnaUtah, United States
    631.0×
  162. 162HandlováTrenčín Region, Slovakia
    631.0×
  163. 162Salt Lake CityUtah, United States
    631.0×
  164. 164MartinŽilina Region, Slovakia
    631.0×
  165. 164VernonBritish Columbia, Canada
    631.0×
  166. 166HanamakiIwate, Japan
    631.0×
  167. 166HakodateHokkaido, Japan
    631.0×
  168. 168ZamośćLublin, Poland
    621.0×
  169. 168TratTrat, Thailand
    621.0×
  170. 168ŽilinaŽilina Region, Slovakia
    621.0×
  171. 168El PasoTexas, United States
    621.0×
  172. 168West JordanUtah, United States
    621.0×
  173. 173FukushimaFukushima, Japan
    621.0×
  174. 173OremUtah, United States
    621.0×
  175. 173Prince GeorgeBritish Columbia, Canada
    621.0×
  176. 176Nakhon RatchasimaNakhon Ratchasima, Thailand
    621.0×
  177. 176KasaokaOkayama, Japan
    621.0×
  178. 178MielecSubcarpathia, Poland
    621.0×
  179. 178TakasakiGunma, Japan
    621.0×
  180. 178KochiKochi, Japan
    621.0×
  181. 178EsztergomKomárom-Esztergom, Hungary
    621.0×
  182. 182LegionowoMazovia, Poland
    621.0×
  183. 182NoshiroAkita, Japan
    621.0×
  184. 182Banská BystricaBanská Bystrica Region, Slovakia
    621.0×
  185. 185AshgabatAshgabat, Turkmenistan
    611.0×
  186. 185Vranov nad TopľouPrešov Region, Slovakia
    611.0×
  187. 187GotembaShizuoka, Japan
    611.0×
  188. 187BeppuOita, Japan
    611.0×
  189. 187Liptovský Mikulᚎilina Region, Slovakia
    611.0×
  190. 187TřinecMoravian-Silesian Region, Czechia
    611.0×
  191. 187BillingsMontana, United States
    611.0×
  192. 187CalgaryAlberta, Canada
    611.0×
  193. 193HigashineYamagata, Japan
    611.0×
  194. 193MissionTexas, United States
    611.0×
  195. 193OgaAkita, Japan
    611.0×
  196. 193ShonaiYamagata, Japan
    611.0×
  197. 197AthensAttica, Greece
    611.0×
  198. 197TsuruokaYamagata, Japan
    611.0×
  199. 197ShiroishiMiyagi, Japan
    611.0×
  200. 197Abujalow-cost sensorsFCT, Nigeria
    611.0×

Top 200 of 2,233 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 17, 2024, smogrank.com/history/2024-07-17 (accessed 3 Oct 2026).

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.