SmogRank / History / October 17, 2024

Most polluted cities on October 17, 2024

2,337 cities ranked by their average PM2.5 over the day; the worst was Kinshasa, Democratic Republic of the Congo, at 139.0 µg/m³. Each city's own local calendar day.

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

← Kinshasa 139.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for October 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. 1Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    2149.3×
  2. 2Dhakalow-cost sensorsDhaka Division, Bangladesh
    1988.2×
  3. 3Lahorelow-cost sensorsPunjab, Pakistan
    1927.6×
  4. 4Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1917.5×
  5. 4DelhiDelhi, India
    1917.5×
  6. 6Kampalalow-cost sensorsCentral Region, Uganda
    1745.9×
  7. 7BaghdadBaghdad, Iraq
    1745.9×
  8. 8Kathmandulow-cost sensorsBagmati Province, Nepal
    1604.5×
  9. 8AstanaAstana, Kazakhstan
    1604.5×
  10. 10SalorTashkent Region, Uzbekistan
    1584.3×
  11. 11Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1574.3×
  12. 12Islamabadlow-cost sensorsIslamabad, Pakistan
    1554.0×
  13. 13KolkataWest Bengal, India
    1533.9×
  14. 14ShenyangLiaoning, China
    1523.8×
  15. 15MinatitlánVeracruz, Mexico
    1513.7×
  16. 16TocopillaAntofagasta, Chile
    1393.4×
  17. 17TravnikFederation of B&H, Bosnia and Herzegovina
    1333.2×
  18. 18BeijingBeijing, China
    1303.1×
  19. 19Banja LukaSrpska, Bosnia and Herzegovina
    1233.0×
  20. 20Ulan BatorUlaanbaatar, Mongolia
    1212.9×
  21. 21CairoCairo, Egypt
    1202.9×
  22. 22MumbaiMaharashtra, India
    1192.9×
  23. 23ValjevoCentral Serbia, Serbia
    1162.8×
  24. 24AntananarivoAnalamanga, Madagascar
    1132.7×
  25. 25HanoiHanoi, Vietnam
    1122.7×
  26. 26ŻywiecSilesia, Poland
    1122.7×
  27. 27KigaliKigali, Rwanda
    1092.6×
  28. 28SarajevoFederation of B&H, Bosnia and Herzegovina
    1082.6×
  29. 29N'DjamenaN’Djaména, Chad
    1072.5×
  30. 30NegotinCentral Serbia, Serbia
    1002.3×
  31. 31AshgabatAshgabat, Turkmenistan
    972.3×
  32. 32Addis AbabaAddis Ababa, Ethiopia
    972.2×
  33. 33Samut SakhonSamut Sakhon, Thailand
    962.2×
  34. 34Novi PazarCentral Serbia, Serbia
    962.2×
  35. 35Santa Anita - Los FicusLima region, Peru
    952.2×
  36. 36LimaLima Province, Peru
    952.2×
  37. 37Bang NaBangkok, Thailand
    942.1×
  38. 38ZhushanTaiwan, Taiwan
    932.1×
  39. 39Ban Samae DamBangkok, Thailand
    932.1×
  40. 40Hwaseong-siGyeonggi-do, South Korea
    922.1×
  41. 41Nong KhaemBangkok, Thailand
    902.0×
  42. 42DushanbeDushanbe, Tajikistan
    902.0×
  43. 43Ganghwa-gunIncheon, South Korea
    892.0×
  44. 44Gimpo-siGyeonggi-do, South Korea
    892.0×
  45. 45RacibórzSilesia, Poland
    892.0×
  46. 46Goyang-siGyeonggi-do, South Korea
    881.9×
  47. 47Nakhon PathomNakhon Pathom, Thailand
    881.9×
  48. 47IncheonIncheon, South Korea
    881.9×
  49. 49Sing BuriSing Buri, Thailand
    881.9×
  50. 50IksanJeollabuk-do, South Korea
    881.9×
  51. 51PuliTaiwan, Taiwan
    871.9×
  52. 52TangjinChungcheongnam-do, South Korea
    861.9×
  53. 53Ansan-siGyeonggi-do, South Korea
    851.8×
  54. 54Bielsko-BialaSilesia, Poland
    851.8×
  55. 55NantouTaiwan, Taiwan
    841.8×
  56. 55GunsanJeollabuk-do, South Korea
    841.8×
  57. 57ConcónValparaiso, Chile
    841.8×
  58. 58DouliuTaiwan, Taiwan
    821.7×
  59. 59SmederevoCentral Serbia, Serbia
    821.7×
  60. 59IndianapolisIndiana, United States
    821.7×
  61. 61Bucheon-siGyeonggi-do, South Korea
    821.7×
  62. 62Chiayi CityTaiwan, Taiwan
    821.7×
  63. 63LazarevacCentral Serbia, Serbia
    811.7×
  64. 63TainanTaiwan, Taiwan
    811.7×
  65. 63ErlunTaiwan, Taiwan
    811.7×
  66. 66SeonghwanChungcheongnam-do, South Korea
    811.7×
  67. 67YongkangTaiwan, Taiwan
    811.7×
  68. 67Wan ChaiWan Chai, Hong Kong
    811.7×
  69. 67CoyhaiqueAysén, Chile
    811.7×
  70. 70Lop BuriLopburi, Thailand
    801.6×
  71. 70Puente AltoSantiago Metropolitan, Chile
    801.6×
  72. 72MaputoMaputo City, Mozambique
    801.6×
  73. 73OstravaMoravian-Silesian Region, Czechia
    801.6×
  74. 74NanNan, Thailand
    791.6×
  75. 74ShanghaiShanghai, China
    791.6×
  76. 74HavířovMoravian-Silesian Region, Czechia
    791.6×
  77. 77SinanJeollanam-do, South Korea
    791.6×
  78. 78Jurong WestSingapore
    791.6×
  79. 79XinyingTaiwan, Taiwan
    791.6×
  80. 80KragujevacCentral Serbia, Serbia
    781.6×
  81. 80KimjeJeollabuk-do, South Korea
    781.6×
  82. 80HualpénBiobio, Chile
    781.6×
  83. 83MasanGwangju, South Korea
    781.6×
  84. 84SantiagoSantiago Metropolitan, Chile
    771.6×
  85. 85HongseongChungcheongnam-do, South Korea
    771.5×
  86. 86YasothonYasothon, Thailand
    771.5×
  87. 86Anyang-siGyeonggi-do, South Korea
    771.5×
  88. 86Ang Mo Kio New TownSingapore
    771.5×
  89. 89FengshanTakao, Taiwan
    771.5×
  90. 90RatchaburiRatchaburi, Thailand
    761.5×
  91. 90Jacobo HunterArequipa, Peru
    761.5×
  92. 92Villa Poeta José Gálvez BarrenecheaLima region, Peru
    761.5×
  93. 93AlgiersAlgiers, Algeria
    761.5×
  94. 94Vientianelow-cost sensorsVientiane Prefecture, Laos
    761.5×
  95. 94YeojuGyeonggi-do, South Korea
    761.5×
  96. 96QuillotaValparaiso, Chile
    751.5×
  97. 96AntofagastaAntofagasta, Chile
    751.5×
  98. 98GuangzhouGuangdong, China
    751.5×
  99. 98YeonggwangJeollanam-do, South Korea
    751.5×
  100. 98Uijeongbu-siGyeonggi-do, South Korea
    751.5×
  101. 101BuziTaiwan, Taiwan
    751.5×
  102. 101GwangmyeongGyeonggi-do, South Korea
    751.5×
  103. 103SeoulSeoul, South Korea
    751.5×
  104. 103Little RockArkansas, United States
    751.5×
  105. 105Khlong LuangPathum Thani, Thailand
    751.5×
  106. 105BuanJeollabuk-do, South Korea
    751.5×
  107. 105AsanChungcheongnam-do, South Korea
    751.5×
  108. 108DamyangJeollanam-do, South Korea
    741.4×
  109. 108Asunciónlow-cost sensorsAsuncion, Paraguay
    741.4×
  110. 110BeigangTaiwan, Taiwan
    741.4×
  111. 110Puerto VarasLos Lagos Region, Chile
    741.4×
  112. 110CoronelBiobio, Chile
    741.4×
  113. 113LamphunLamphun, Thailand
    741.4×
  114. 113Nakhon RatchasimaNakhon Ratchasima, Thailand
    741.4×
  115. 113ColumbusOhio, United States
    741.4×
  116. 116Karachilow-cost sensorsSindh, Pakistan
    741.4×
  117. 116Jastrzębie ZdrójSilesia, Poland
    741.4×
  118. 118ChanghuaTaiwan, Taiwan
    731.4×
  119. 119KraljevoCentral Serbia, Serbia
    731.4×
  120. 119ChennaiTamil Nadu, India
    731.4×
  121. 119CuranilahueBiobio, Chile
    731.4×
  122. 122KalasinKalasin, Thailand
    731.4×
  123. 122GimcheonGyeongsangbuk-do, South Korea
    731.4×
  124. 122Icheon-siGyeonggi-do, South Korea
    731.4×
  125. 125TaichungTaiwan, Taiwan
    731.4×
  126. 125QuinteroValparaiso, Chile
    731.4×
  127. 127PubalGyeonggi-do, South Korea
    721.4×
  128. 128GwangjuGwangju, South Korea
    721.4×
  129. 128Viña del MarValparaiso, Chile
    721.4×
  130. 128BellevueNebraska, United States
    721.4×
  131. 131SukhothaiSukhothai, Thailand
    721.4×
  132. 131WanjuJeollabuk-do, South Korea
    721.4×
  133. 131OsanGyeonggi-do, South Korea
    721.4×
  134. 131MokpoJeollanam-do, South Korea
    721.4×
  135. 131Lat KrabangBangkok, Thailand
    721.4×
  136. 136JeddahMecca Region, Saudi Arabia
    711.3×
  137. 136MunsanGyeonggi-do, South Korea
    711.3×
  138. 138TalaganteSantiago Metropolitan, Chile
    711.3×
  139. 138QuilpuéValparaiso, Chile
    711.3×
  140. 140KaohsiungTakao, Taiwan
    711.3×
  141. 140Koch'angJeollabuk-do, South Korea
    711.3×
  142. 140VillarricaAraucania, Chile
    711.3×
  143. 143YangjuGyeonggi-do, South Korea
    711.3×
  144. 144TratTrat, Thailand
    711.3×
  145. 145Phra PradaengSamut Prakan, Thailand
    701.3×
  146. 146BangkokBangkok, Thailand
    701.3×
  147. 146RancaguaO'Higgins Region, Chile
    701.3×
  148. 148Istanbullow-cost sensorsIstanbul, Turkey
    701.3×
  149. 148BoryeongChungcheongnam-do, South Korea
    701.3×
  150. 148CiutadellaBalearic Islands, Spain
    701.3×
  151. 151HanamGyeonggi-do, South Korea
    701.3×
  152. 152Chinch'ŏnNorth Chungcheong, South Korea
    701.3×
  153. 152ChocopeLa Libertad, Peru
    701.3×
  154. 152RengoO'Higgins Region, Chile
    701.3×
  155. 155JinchengFukien, Taiwan
    691.3×
  156. 155MainzRheinland-Pfalz, Germany
    691.3×
  157. 157YesanChungcheongnam-do, South Korea
    691.3×
  158. 157Frýdek-MístekMoravian-Silesian Region, Czechia
    691.3×
  159. 157AyaseKanagawa, Japan
    691.3×
  160. 160SuwonGyeonggi-do, South Korea
    691.3×
  161. 160JangseongJeollanam-do, South Korea
    691.3×
  162. 160OsornoLos Lagos Region, Chile
    691.3×
  163. 163BakuBaki, Azerbaijan
    691.2×
  164. 163Nakhon SawanNakhon Sawan, Thailand
    691.2×
  165. 163Taesal-liChungcheongnam-do, South Korea
    691.2×
  166. 163Guri-siGyeonggi-do, South Korea
    691.2×
  167. 163NacimientoBiobio, Chile
    691.2×
  168. 168XizhouTaiwan, Taiwan
    691.2×
  169. 169PyeongtaekGyeonggi-do, South Korea
    691.2×
  170. 169CoquimboCoquimbo Region, Chile
    691.2×
  171. 171Mae SaiChiang Rai, Thailand
    681.2×
  172. 171Falconara MarittimaThe Marches, Italy
    681.2×
  173. 173León de los AldamaGuanajuato, Mexico
    681.2×
  174. 173WatertownSouth Dakota, United States
    681.2×
  175. 175Bang Bo DistrictSamut Prakan, Thailand
    681.2×
  176. 175KinzanChungcheongnam-do, South Korea
    681.2×
  177. 175GumiGyeongsangbuk-do, South Korea
    681.2×
  178. 175OurenseGalicia, Spain
    681.2×
  179. 175La SerenaCoquimbo Region, Chile
    681.2×
  180. 175AricaArica y Parinacota Region, Chile
    681.2×
  181. 181ErlinTaiwan, Taiwan
    681.2×
  182. 182ChiguayanteBiobio, Chile
    671.2×
  183. 182Saphan SungBangkok, Thailand
    671.2×
  184. 184TemucoAraucania, Chile
    671.2×
  185. 184Arroyo GrandeCalifornia, United States
    671.2×
  186. 186ZemunCentral Serbia, Serbia
    671.2×
  187. 186MuanJeollanam-do, South Korea
    671.2×
  188. 186Alto HospicioTarapacá, Chile
    671.2×
  189. 189GyōdaSaitama, Japan
    671.2×
  190. 189Sioux FallsSouth Dakota, United States
    671.2×
  191. 189La Crescenta-Montroselow-cost sensorsCalifornia, United States
    671.2×
  192. 192Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    671.2×
  193. 192Mae SotTak, Thailand
    671.2×
  194. 192Seongnam-siGyeonggi-do, South Korea
    671.2×
  195. 192San Francisco De BorjaLima region, Peru
    671.2×
  196. 196CallaoCallao, Peru
    661.2×
  197. 197HaenamJeollanam-do, South Korea
    661.2×
  198. 197CheorwonGangwon-do, South Korea
    661.2×
  199. 197TalcahuanoBiobio, Chile
    661.2×
  200. 197Terre HauteIndiana, United States
    661.2×

Top 200 of 2,337 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, October 17, 2024, smogrank.com/history/2024-10-17 (accessed 3 Oct 2026).

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