SmogRank / History / August 17, 2024

Most polluted cities on August 17, 2024

1,734 cities ranked by their average PM2.5 over the day; the worst was Ashgabat, Turkmenistan, at 189.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during August 17, 2024. All episodes.

← Ashgabat 189.0 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for August 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. 1AshgabatAshgabat, Turkmenistan
    26412.6×
  2. 2Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1897.3×
  3. 3Fort McMurrayAlberta, Canada
    1877.1×
  4. 4DushanbeDushanbe, Tajikistan
    1826.6×
  5. 5Asunciónlow-cost sensorsAsuncion, Paraguay
    1776.2×
  6. 6VillarricaAraucania, Chile
    1776.1×
  7. 7Santa Anita - Los FicusLima region, Peru
    1766.1×
  8. 8TemucoAraucania, Chile
    1685.3×
  9. 9La UniónLos Ríos Region, Chile
    1675.3×
  10. 10OsornoLos Lagos Region, Chile
    1665.1×
  11. 11ValdiviaLos Ríos Region, Chile
    1584.4×
  12. 11HualpénBiobio, Chile
    1584.4×
  13. 13Puerto MonttLos Lagos Region, Chile
    1554.1×
  14. 14CoyhaiqueAysén, Chile
    1544.0×
  15. 15Puerto VarasLos Lagos Region, Chile
    1523.8×
  16. 16São PauloSão Paulo, Brazil
    1513.7×
  17. 17Puerto AysénAysén, Chile
    1513.7×
  18. 18NacimientoBiobio, Chile
    1433.5×
  19. 19ReginaSaskatchewan, Canada
    1423.5×
  20. 20Puente AltoSantiago Metropolitan, Chile
    1393.4×
  21. 21Kampalalow-cost sensorsCentral Region, Uganda
    1383.4×
  22. 22CoronelBiobio, Chile
    1383.4×
  23. 23CuricóMaule Region, Chile
    1373.3×
  24. 24HualquiBiobio, Chile
    1333.2×
  25. 25Iloilolow-cost sensorsWestern Visayas, Philippines
    1313.2×
  26. 26BakuBaki, Azerbaijan
    1263.0×
  27. 27Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1253.0×
  28. 28JakartaJakarta, Indonesia
    1233.0×
  29. 29QuillotaValparaiso, Chile
    1212.9×
  30. 30SaguenayQuebec, Canada
    1202.9×
  31. 31Lahorelow-cost sensorsPunjab, Pakistan
    1182.8×
  32. 32EdmontonAlberta, Canada
    1172.8×
  33. 33SantiagoSantiago Metropolitan, Chile
    1152.8×
  34. 33RancaguaO'Higgins Region, Chile
    1152.8×
  35. 33SaskatoonSaskatchewan, Canada
    1152.8×
  36. 36Duque de CaxiasRio de Janeiro, Brazil
    1142.7×
  37. 37Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    1122.7×
  38. 38TalcahuanoBiobio, Chile
    1122.7×
  39. 39ChiguayanteBiobio, Chile
    1122.7×
  40. 40BaghdadBaghdad, Iraq
    1042.5×
  41. 41L'Ancienne-LoretteQuebec, Canada
    1032.4×
  42. 42QuébecQuebec, Canada
    1022.4×
  43. 43RengoO'Higgins Region, Chile
    1012.4×
  44. 44TalaganteSantiago Metropolitan, Chile
    1002.3×
  45. 45QuinteroValparaiso, Chile
    982.3×
  46. 46ConcepciónBiobio, Chile
    972.3×
  47. 47Nepeanlow-cost sensorsOntario, Canada
    972.2×
  48. 48KolkataWest Bengal, India
    972.2×
  49. 49Şabāḩ as SālimMubārak al Kabīr, Kuwait
    962.2×
  50. 50San Francisco De BorjaLima region, Peru
    962.2×
  51. 51BeijingBeijing, China
    962.2×
  52. 52LimaLima Province, Peru
    952.2×
  53. 53RadomskoŁódź Voivodeship, Poland
    942.1×
  54. 54Addis AbabaAddis Ababa, Ethiopia
    932.1×
  55. 55CallaoCallao, Peru
    922.1×
  56. 56QuilpuéValparaiso, Chile
    912.0×
  57. 57ToméBiobio, Chile
    902.0×
  58. 58West FargoNorth Dakota, United States
    892.0×
  59. 59SarajevoFederation of B&H, Bosnia and Herzegovina
    881.9×
  60. 60AlbanyNew York, United States
    881.9×
  61. 61CuranilahueBiobio, Chile
    881.9×
  62. 62CalgaryAlberta, Canada
    871.9×
  63. 63ShawiniganQuebec, Canada
    871.9×
  64. 64TangjinChungcheongnam-do, South Korea
    871.9×
  65. 65Trois-RivièresQuebec, Canada
    861.9×
  66. 66Sorel-TracyQuebec, Canada
    861.8×
  67. 67Viña del MarValparaiso, Chile
    851.8×
  68. 68Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    851.8×
  69. 69St. AlbertAlberta, Canada
    841.8×
  70. 70Sherwood ParkAlberta, Canada
    841.8×
  71. 71DrummondvilleQuebec, Canada
    821.7×
  72. 71Red DeerAlberta, Canada
    821.7×
  73. 73IncheonIncheon, South Korea
    821.7×
  74. 74La SerenaCoquimbo Region, Chile
    811.7×
  75. 75ConcónValparaiso, Chile
    811.7×
  76. 76SherbrookeQuebec, Canada
    811.7×
  77. 77GranbyQuebec, Canada
    801.7×
  78. 78San Pedro de la PazBiobio, Chile
    801.6×
  79. 79Gimpo-siGyeonggi-do, South Korea
    801.6×
  80. 79CoquimboCoquimbo Region, Chile
    801.6×
  81. 81DelhiDelhi, India
    791.6×
  82. 82DorvalQuebec, Canada
    791.6×
  83. 83Ganghwa-gunIncheon, South Korea
    781.6×
  84. 84KeeneNew Hampshire, United States
    781.6×
  85. 85RutlandVermont, United States
    771.6×
  86. 85MontréalQuebec, Canada
    771.6×
  87. 87Novi PazarCentral Serbia, Serbia
    771.5×
  88. 88AricaArica y Parinacota Region, Chile
    771.5×
  89. 89CopiapóAtacama, Chile
    771.5×
  90. 90Jacobo HunterArequipa, Peru
    761.5×
  91. 90BrossardQuebec, Canada
    761.5×
  92. 90Rivière-des-Prairies–Pointe-aux-TremblesQuebec, Canada
    761.5×
  93. 93ChillánÑuble, Chile
    761.5×
  94. 93AntofagastaAntofagasta, Chile
    761.5×
  95. 93AirdrieAlberta, Canada
    761.5×
  96. 96ChimboteAncash, Peru
    761.5×
  97. 97Taesal-liChungcheongnam-do, South Korea
    761.5×
  98. 97HartfordConnecticut, United States
    761.5×
  99. 99Villa Poeta José Gálvez BarrenecheaLima region, Peru
    751.5×
  100. 100DanburyConnecticut, United States
    751.5×
  101. 101Banja LukaSrpska, Bosnia and Herzegovina
    751.5×
  102. 101TalcaMaule Region, Chile
    751.5×
  103. 103HyderabadTelangana, India
    751.5×
  104. 103AberdeenSouth Dakota, United States
    751.5×
  105. 105SpringfieldMassachusetts, United States
    741.4×
  106. 106ChocopeLa Libertad, Peru
    741.4×
  107. 106WorcesterMassachusetts, United States
    741.4×
  108. 106AshburtonCanterbury, New Zealand
    741.4×
  109. 109LowellMassachusetts, United States
    741.4×
  110. 110Hwaseong-siGyeonggi-do, South Korea
    741.4×
  111. 111PhiladelphiaPennsylvania, United States
    741.4×
  112. 112UžiceCentral Serbia, Serbia
    731.4×
  113. 113N'DjamenaN’Djaména, Chad
    731.4×
  114. 114TocopillaAntofagasta, Chile
    731.4×
  115. 114CauquenesMaule Region, Chile
    731.4×
  116. 114DerryNew Hampshire, United States
    731.4×
  117. 117PittsfieldMassachusetts, United States
    731.4×
  118. 118Los ÁngelesBiobio, Chile
    721.4×
  119. 118AugustaMaine, United States
    721.4×
  120. 120BrocktonMassachusetts, United States
    721.4×
  121. 121WaterburyConnecticut, United States
    721.3×
  122. 121Lat KrabangBangkok, Thailand
    721.3×
  123. 123ŁukówLublin, Poland
    711.3×
  124. 123MaputoMaputo City, Mozambique
    711.3×
  125. 125North ChicopeeMassachusetts, United States
    711.3×
  126. 125Swift CurrentSaskatchewan, Canada
    711.3×
  127. 127KraljevoCentral Serbia, Serbia
    711.3×
  128. 127Ansan-siGyeonggi-do, South Korea
    711.3×
  129. 129SeosanChungcheongnam-do, South Korea
    711.3×
  130. 129Accralow-cost sensorsGreater Accra, Ghana
    711.3×
  131. 129BostonMassachusetts, United States
    711.3×
  132. 132MiskolcBorsod-Abaúj-Zemplén, Hungary
    701.3×
  133. 132KaliszGreater Poland, Poland
    701.3×
  134. 132Grande PrairieAlberta, Canada
    701.3×
  135. 135KielceŚwiętokrzyskie, Poland
    701.3×
  136. 135ĆuprijaCentral Serbia, Serbia
    701.3×
  137. 135East HamptonVirginia, United States
    701.3×
  138. 138Bucheon-siGyeonggi-do, South Korea
    701.3×
  139. 138KatowiceSilesia, Poland
    701.3×
  140. 138TerraceBritish Columbia, Canada
    701.3×
  141. 141ChesapeakeVirginia, United States
    701.3×
  142. 141Thunder BayOntario, Canada
    701.3×
  143. 143KanoyaKagoshima, Japan
    691.3×
  144. 143HaverhillMassachusetts, United States
    691.3×
  145. 143BridgeportConnecticut, United States
    691.3×
  146. 146NyíregyházaSzabolcs-Szatmár-Bereg, Hungary
    691.3×
  147. 146Islamabadlow-cost sensorsIslamabad, Pakistan
    691.3×
  148. 146DoverDelaware, United States
    691.3×
  149. 146MeridianIdaho, United States
    691.3×
  150. 150Karachilow-cost sensorsSindh, Pakistan
    691.3×
  151. 151Saint-Jean-sur-RichelieuQuebec, Canada
    691.2×
  152. 152IndioCalifornia, United States
    691.2×
  153. 153HolbrookNew York, United States
    691.2×
  154. 154Alto HospicioTarapacá, Chile
    681.2×
  155. 154YauriCuzco Department, Peru
    681.2×
  156. 154ChesterPennsylvania, United States
    681.2×
  157. 157PirotCentral Serbia, Serbia
    681.2×
  158. 157QuincyMassachusetts, United States
    681.2×
  159. 159Bang NaBangkok, Thailand
    681.2×
  160. 159MonterreyNuevo León, Mexico
    681.2×
  161. 159New York CityNew York, United States
    681.2×
  162. 162MielecSubcarpathia, Poland
    681.2×
  163. 162New HavenConnecticut, United States
    681.2×
  164. 162EwingNew Jersey, United States
    681.2×
  165. 165ShenyangLiaoning, China
    681.2×
  166. 165HarrisburgPennsylvania, United States
    681.2×
  167. 167LynnMassachusetts, United States
    671.2×
  168. 167CoventryRhode Island, United States
    671.2×
  169. 169ZemunCentral Serbia, Serbia
    671.2×
  170. 169New LondonConnecticut, United States
    671.2×
  171. 171MinamataKumamoto, Japan
    671.2×
  172. 172BearDelaware, United States
    671.2×
  173. 172Fall RiverMassachusetts, United States
    671.2×
  174. 172Fort LeeNew Jersey, United States
    671.2×
  175. 175PortlandMaine, United States
    671.2×
  176. 175PatersonNew Jersey, United States
    671.2×
  177. 177Skarżysko-KamiennaŚwiętokrzyskie, Poland
    661.2×
  178. 177Ponte Vedra BeachFlorida, United States
    661.2×
  179. 177Roanoke RapidsNorth Carolina, United States
    661.2×
  180. 177PennsaukenNew Jersey, United States
    661.2×
  181. 177NorristownPennsylvania, United States
    661.2×
  182. 177BoiseIdaho, United States
    661.2×
  183. 183North CharlestonSouth Carolina, United States
    661.2×
  184. 184NiskoSubcarpathia, Poland
    661.1×
  185. 184Wan ChaiWan Chai, Hong Kong
    661.1×
  186. 184CalamaAntofagasta, Chile
    661.1×
  187. 184WilmingtonDelaware, United States
    661.1×
  188. 184UticaNew York, United States
    661.1×
  189. 184BensalemPennsylvania, United States
    661.1×
  190. 184LebanonPennsylvania, United States
    661.1×
  191. 191LazarevacCentral Serbia, Serbia
    661.1×
  192. 191GwangmyeongGyeonggi-do, South Korea
    661.1×
  193. 191ValdostaGeorgia, United States
    661.1×
  194. 191ShintomiMiyazaki, Japan
    661.1×
  195. 195ObrenovacCentral Serbia, Serbia
    661.1×
  196. 195Abujalow-cost sensorsFCT, Nigeria
    661.1×
  197. 195YorkPennsylvania, United States
    661.1×
  198. 198YesanChungcheongnam-do, South Korea
    661.1×
  199. 198Lake MaryFlorida, United States
    661.1×
  200. 198TrentonNew Jersey, United States
    661.1×

Top 200 of 1,734 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, August 17, 2024, smogrank.com/history/2024-08-17 (accessed 3 Oct 2026).

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