SmogRank / History / December 17, 2024

Most polluted cities on December 17, 2024

2,178 cities ranked by their average PM2.5 over the day; the worst was Dushanbe, Tajikistan, at 357.0 µg/m³. Each city's own local calendar day.

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

← Dushanbe 357.0 µg/m³ 300 µg/m³15 WHO 24-hour guideline
Every city ranked for December 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. 1DushanbeDushanbe, Tajikistan
    500+23.8×
  2. 2Lahorelow-cost sensorsPunjab, Pakistan
    500+23.3×
  3. 3DelhiDelhi, India
    44519.9×
  4. 4Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    37217.4×
  5. 5Ulan BatorUlaanbaatar, Mongolia
    34016.3×
  6. 6Dhakalow-cost sensorsDhaka Division, Bangladesh
    29014.3×
  7. 7SarajevoFederation of B&H, Bosnia and Herzegovina
    27913.6×
  8. 8KolkataWest Bengal, India
    26512.7×
  9. 9Islamabadlow-cost sensorsIslamabad, Pakistan
    24811.5×
  10. 10TravnikFederation of B&H, Bosnia and Herzegovina
    24611.4×
  11. 11MaspalomasCanary Islands, Spain
    22710.1×
  12. 12N'DjamenaN’Djaména, Chad
    2219.7×
  13. 13Kampalalow-cost sensorsCentral Region, Uganda
    2129.1×
  14. 14AgüimesCanary Islands, Spain
    2018.4×
  15. 15IngenioCanary Islands, Spain
    1978.1×
  16. 16Novi PazarCentral Serbia, Serbia
    1937.7×
  17. 16Abujalow-cost sensorsFCT, Nigeria
    1937.7×
  18. 18SalorTashkent Region, Uzbekistan
    1867.0×
  19. 19Kathmandulow-cost sensorsBagmati Province, Nepal
    1856.9×
  20. 20MumbaiMaharashtra, India
    1846.9×
  21. 21PirotCentral Serbia, Serbia
    1756.0×
  22. 21Puerto del RosarioCanary Islands, Spain
    1756.0×
  23. 23Las Palmas de Gran CanariaCanary Islands, Spain
    1755.9×
  24. 24NišCentral Serbia, Serbia
    1735.8×
  25. 25ChennaiTamil Nadu, India
    1715.6×
  26. 26Santa Cruz de TenerifeCanary Islands, Spain
    1705.5×
  27. 27ValjevoCentral Serbia, Serbia
    1685.3×
  28. 28KraljevoCentral Serbia, Serbia
    1685.3×
  29. 28TeldeCanary Islands, Spain
    1685.3×
  30. 30San IsidroCanary Islands, Spain
    1675.2×
  31. 31AronaCanary Islands, Spain
    1675.2×
  32. 32LazarevacCentral Serbia, Serbia
    1665.1×
  33. 33JeddahMecca Region, Saudi Arabia
    1645.0×
  34. 34UžiceCentral Serbia, Serbia
    1634.8×
  35. 35PančevoVojvodina, Serbia
    1634.8×
  36. 36Zagreblow-cost sensorsZagreb, Croatia
    1594.5×
  37. 37ZemunCentral Serbia, Serbia
    1574.3×
  38. 38CandelariaCanary Islands, Spain
    1574.3×
  39. 39ČačakCentral Serbia, Serbia
    1564.1×
  40. 40ObrenovacCentral Serbia, Serbia
    1554.1×
  41. 41BaghdadBaghdad, Iraq
    1544.0×
  42. 42Granadilla de AbonaCanary Islands, Spain
    1544.0×
  43. 43ShanghaiShanghai, China
    1533.9×
  44. 44Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    1533.9×
  45. 45CairoCairo, Egypt
    1533.8×
  46. 46BihaćFederation of B&H, Bosnia and Herzegovina
    1513.7×
  47. 47Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1453.5×
  48. 48SmederevoCentral Serbia, Serbia
    1413.4×
  49. 49Santa Cruz de la PalmaCanary Islands, Spain
    1403.4×
  50. 50ColomboWestern Province, Sri Lanka
    1373.3×
  51. 51Yerevanlow-cost sensorsYerevan, Armenia
    1343.3×
  52. 52BelgradeCentral Serbia, Serbia
    1313.2×
  53. 53Almatylow-cost sensorsAlmaty, Kazakhstan
    1313.2×
  54. 54ArucasCanary Islands, Spain
    1303.1×
  55. 55ArrecifeCanary Islands, Spain
    1283.1×
  56. 56ConakryConakry, Guinea
    1263.0×
  57. 57KragujevacCentral Serbia, Serbia
    1222.9×
  58. 58Botevgradlow-cost sensorsSofia, Bulgaria
    1212.9×
  59. 59ManlleuCatalonia, Spain
    1212.9×
  60. 60FutogVojvodina, Serbia
    1142.7×
  61. 61KigaliKigali, Rwanda
    1112.6×
  62. 62Santa Anita - Los FicusLima region, Peru
    1112.6×
  63. 63KoperUrban Municipality of Koper, Slovenia
    1102.6×
  64. 64Accralow-cost sensorsGreater Accra, Ghana
    1102.6×
  65. 65Imperial BeachCalifornia, United States
    1092.6×
  66. 66Wan ChaiWan Chai, Hong Kong
    1052.5×
  67. 67SremčicaCentral Serbia, Serbia
    1042.4×
  68. 68Tuen MunTuen Mun, Hong Kong
    1032.4×
  69. 69Vientianelow-cost sensorsVientiane Prefecture, Laos
    1022.4×
  70. 70Medina Estateslow-cost sensorsGreater Accra, Ghana
    1002.4×
  71. 71LleidaCatalonia, Spain
    992.3×
  72. 72DejCluj County, Romania
    972.3×
  73. 73LjubljanaLjubljana, Slovenia
    962.2×
  74. 73CeljeUrban Municipality of Celje, Slovenia
    962.2×
  75. 75GuangzhouGuangdong, China
    962.2×
  76. 76ChaozhouTaiwan, Taiwan
    952.2×
  77. 77San Tung Chung HangIslands, Hong Kong
    952.2×
  78. 78PtujUrban Municipality of Ptuj, Slovenia
    942.2×
  79. 79Jacobo HunterArequipa, Peru
    932.1×
  80. 80Tin Shui WaiYuen Long, Hong Kong
    932.1×
  81. 80Novi SadVojvodina, Serbia
    932.1×
  82. 80Khlong Sam WaBangkok, Thailand
    932.1×
  83. 83KaohsiungTakao, Taiwan
    932.1×
  84. 83FunchalMadeira, Portugal
    932.1×
  85. 85AntananarivoAnalamanga, Madagascar
    922.1×
  86. 86FengshanTakao, Taiwan
    922.1×
  87. 86Mong KokYau Tsim Mong District, Hong Kong
    922.1×
  88. 88Bang NaBangkok, Thailand
    912.0×
  89. 88Kwai ChungKwai Tsing District, Hong Kong
    912.0×
  90. 90GrazStyria, Austria
    902.0×
  91. 91VictoriaCentral and Western, Hong Kong
    902.0×
  92. 92PhoenixArizona, United States
    892.0×
  93. 93KoprivnicaKoprivnica-Križevci, Croatia
    892.0×
  94. 94Nong KhaemBangkok, Thailand
    892.0×
  95. 95BadgerAlaska, United States
    881.9×
  96. 96MurciaMurcia, Spain
    881.9×
  97. 97Sham Shui PoSham Shui Po District, Hong Kong
    871.9×
  98. 98Bueng KumBangkok, Thailand
    871.9×
  99. 99FanlingNorth District, Hong Kong
    861.9×
  100. 100AthensAttica, Greece
    861.8×
  101. 100Lak SiBangkok, Thailand
    861.8×
  102. 102XinyingTaiwan, Taiwan
    851.8×
  103. 103ChiguayanteBiobio, Chile
    851.8×
  104. 104Şabāḩ as SālimMubārak al Kabīr, Kuwait
    851.8×
  105. 104Tsuen WanTsuen Wan, Hong Kong
    851.8×
  106. 106Cluj-NapocaCluj County, Romania
    841.8×
  107. 106ĆuprijaCentral Serbia, Serbia
    841.8×
  108. 106Saphan SungBangkok, Thailand
    841.8×
  109. 109Tai PoTai Po, Hong Kong
    841.8×
  110. 109Khan Na YaoBangkok, Thailand
    841.8×
  111. 111Puente AltoSantiago Metropolitan, Chile
    841.8×
  112. 112Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    841.8×
  113. 113NacimientoBiobio, Chile
    841.8×
  114. 114Sha TinSha Tin, Hong Kong
    831.8×
  115. 115Lat KrabangBangkok, Thailand
    831.8×
  116. 116BangkokBangkok, Thailand
    831.7×
  117. 116NogalesSonora, Mexico
    831.7×
  118. 118Ban Samae DamBangkok, Thailand
    831.7×
  119. 118Sau Mau PingKwun Tong District, Hong Kong
    831.7×
  120. 118CalexicoCalifornia, United States
    831.7×
  121. 121LiberpolisCounty of Osijek-Baranja, Croatia
    821.7×
  122. 122La OrotavaCanary Islands, Spain
    821.7×
  123. 123TrbovljeMunicipality of Trbovlje, Slovenia
    821.7×
  124. 123AricaArica y Parinacota Region, Chile
    821.7×
  125. 125Ban Khlong PrawetBangkok, Thailand
    821.7×
  126. 126JinchengFukien, Taiwan
    811.7×
  127. 127Addis AbabaAddis Ababa, Ethiopia
    801.7×
  128. 127YongkangTaiwan, Taiwan
    801.7×
  129. 129YangonYangon, Myanmar
    801.6×
  130. 130Istanbullow-cost sensorsIstanbul, Turkey
    801.6×
  131. 130Molina de SeguraMurcia, Spain
    801.6×
  132. 132Mueang NonthaburiNonthaburi, Thailand
    801.6×
  133. 133Nong ChokBangkok, Thailand
    791.6×
  134. 133Bang KapiBangkok, Thailand
    791.6×
  135. 135TainanTaiwan, Taiwan
    791.6×
  136. 136SocorroTexas, United States
    791.6×
  137. 137AshgabatAshgabat, Turkmenistan
    791.6×
  138. 137DouliuTaiwan, Taiwan
    791.6×
  139. 137AlgiersAlgiers, Algeria
    791.6×
  140. 137LimaLima Province, Peru
    791.6×
  141. 141Chiayi CityTaiwan, Taiwan
    791.6×
  142. 142SamaAsturias, Spain
    781.6×
  143. 142Sai MaiBangkok, Thailand
    781.6×
  144. 144GijónAsturias, Spain
    781.6×
  145. 144LillestrømAkershus, Norway
    781.6×
  146. 146TocopillaAntofagasta, Chile
    781.6×
  147. 147ErlunTaiwan, Taiwan
    771.6×
  148. 147Winterthurlow-cost sensorsZurich, Switzerland
    771.6×
  149. 149BellinzonaTicino, Switzerland
    771.5×
  150. 150OviedoAsturias, Spain
    771.5×
  151. 151KošiceKošice Region, Slovakia
    771.5×
  152. 152PrešovPrešov Region, Slovakia
    761.5×
  153. 152Novo MestoUrban Municipality of Novo Mesto, Slovenia
    761.5×
  154. 154ValladolidCastille and León, Spain
    761.5×
  155. 155ZhushanTaiwan, Taiwan
    751.5×
  156. 155YotsukaidōChiba, Japan
    751.5×
  157. 157SantiagoSantiago Metropolitan, Chile
    751.5×
  158. 158AcharnésAttica, Greece
    751.5×
  159. 159IrapuatoGuanajuato, Mexico
    741.4×
  160. 160DhahranEastern Province, Saudi Arabia
    741.4×
  161. 160GumiGyeongsangbuk-do, South Korea
    741.4×
  162. 162ThessaloníkiCentral Macedonia, Greece
    741.4×
  163. 162CalamaAntofagasta, Chile
    741.4×
  164. 164BeigangTaiwan, Taiwan
    731.4×
  165. 164GironaCatalonia, Spain
    731.4×
  166. 164NogalesArizona, United States
    731.4×
  167. 167AsprópyrgosAttica, Greece
    731.4×
  168. 168NantouTaiwan, Taiwan
    731.4×
  169. 169AmmanAmman, Jordan
    731.4×
  170. 169PorsgrunnTelemark, Norway
    731.4×
  171. 171TempeArizona, United States
    721.4×
  172. 172Yangp'yŏngGyeonggi-do, South Korea
    721.4×
  173. 173MesaArizona, United States
    721.4×
  174. 174AntofagastaAntofagasta, Chile
    721.4×
  175. 175Casas AdobesArizona, United States
    721.3×
  176. 175ComptonCalifornia, United States
    721.3×
  177. 177NegotinCentral Serbia, Serbia
    711.3×
  178. 177YeojuGyeonggi-do, South Korea
    711.3×
  179. 177CuencaCastille-La Mancha, Spain
    711.3×
  180. 180TudelaNavarre, Spain
    711.3×
  181. 181GimcheonGyeongsangbuk-do, South Korea
    711.3×
  182. 181PubalGyeonggi-do, South Korea
    711.3×
  183. 183Alcalá de HenaresMadrid, Spain
    711.3×
  184. 184WŏnjuGangwon-do, South Korea
    701.3×
  185. 185Quezon Citylow-cost sensorsNational Capital Region, Philippines
    701.3×
  186. 186YeongjuGyeongsangbuk-do, South Korea
    701.3×
  187. 187ChocopeLa Libertad, Peru
    701.3×
  188. 188TaibaoTaiwan, Taiwan
    691.3×
  189. 189ValdemoroMadrid, Spain
    691.3×
  190. 190CoquimboCoquimbo Region, Chile
    691.3×
  191. 190MaconGeorgia, United States
    691.3×
  192. 192VisaliaCalifornia, United States
    691.2×
  193. 193QuillotaValparaiso, Chile
    691.2×
  194. 194QuinteroValparaiso, Chile
    691.2×
  195. 194HualquiBiobio, Chile
    691.2×
  196. 194PiscoIca, Peru
    691.2×
  197. 197YuanlinTaiwan, Taiwan
    681.2×
  198. 197Asunciónlow-cost sensorsAsuncion, Paraguay
    681.2×
  199. 197LinaresMaule Region, Chile
    681.2×
  200. 197Silao de la VictoriaGuanajuato, Mexico
    681.2×

Top 200 of 2,178 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, December 17, 2024, smogrank.com/history/2024-12-17 (accessed 3 Oct 2026).

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