SmogRank / History / December 7, 2024

Most polluted cities on December 7, 2024

2,271 cities ranked by their average PM2.5 over the day; the worst was Tocopilla, Chile, at 426.7 µg/m³. Each city's own local calendar day.

Bad-air episodes during December 7, 2024. All episodes.

← Tocopilla 426.7 µg/m³ 400 µg/m³15 WHO 24-hour guideline
Every city ranked for December 7, 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. 1TocopillaAntofagasta, Chile
    500+28.4×
  2. 2Ulan BatorUlaanbaatar, Mongolia
    25411.9×
  3. 3Dhakalow-cost sensorsDhaka Division, Bangladesh
    23910.9×
  4. 4Lahorelow-cost sensorsPunjab, Pakistan
    23210.5×
  5. 5Banja LukaSrpska, Bosnia and Herzegovina
    22910.3×
  6. 6Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    2139.2×
  7. 7CairoCairo, Egypt
    2068.7×
  8. 8KolkataWest Bengal, India
    2058.7×
  9. 9Kampalalow-cost sensorsCentral Region, Uganda
    1917.5×
  10. 10DelhiDelhi, India
    1887.2×
  11. 11SalorTashkent Region, Uzbekistan
    1806.5×
  12. 12Kathmandulow-cost sensorsBagmati Province, Nepal
    1786.3×
  13. 13Islamabadlow-cost sensorsIslamabad, Pakistan
    1766.1×
  14. 14ShanghaiShanghai, China
    1745.9×
  15. 15DushanbeDushanbe, Tajikistan
    1705.5×
  16. 16Yerevanlow-cost sensorsYerevan, Armenia
    1665.2×
  17. 17BaghdadBaghdad, Iraq
    1665.1×
  18. 18ValjevoCentral Serbia, Serbia
    1634.8×
  19. 19Almatylow-cost sensorsAlmaty, Kazakhstan
    1624.8×
  20. 20MumbaiMaharashtra, India
    1594.4×
  21. 21Novi PazarCentral Serbia, Serbia
    1594.4×
  22. 22Zagreblow-cost sensorsZagreb, Croatia
    1574.3×
  23. 23BakersfieldCalifornia, United States
    1554.1×
  24. 24FresnoCalifornia, United States
    1483.6×
  25. 25PortervilleCalifornia, United States
    1453.5×
  26. 26Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1443.5×
  27. 27HanoiHanoi, Vietnam
    1443.5×
  28. 28MercedCalifornia, United States
    1403.4×
  29. 29ClovisCalifornia, United States
    1363.3×
  30. 30Nong KhaemBangkok, Thailand
    1323.2×
  31. 31HyderabadTelangana, India
    1303.2×
  32. 32AshgabatAshgabat, Turkmenistan
    1303.1×
  33. 33TurlockCalifornia, United States
    1283.1×
  34. 34MaderaCalifornia, United States
    1283.1×
  35. 35SmederevoCentral Serbia, Serbia
    1283.1×
  36. 36Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    1273.1×
  37. 37UžiceCentral Serbia, Serbia
    1263.1×
  38. 38Santa Anita - Los FicusLima region, Peru
    1253.0×
  39. 39HanfordCalifornia, United States
    1243.0×
  40. 40Florinlow-cost sensorsCalifornia, United States
    1222.9×
  41. 41MantecaCalifornia, United States
    1222.9×
  42. 42KigaliKigali, Rwanda
    1212.9×
  43. 43Wan ChaiWan Chai, Hong Kong
    1202.9×
  44. 44LjubljanaLjubljana, Slovenia
    1192.9×
  45. 44CoyhaiqueAysén, Chile
    1192.9×
  46. 46TrbovljeMunicipality of Trbovlje, Slovenia
    1192.8×
  47. 47WoodlandCalifornia, United States
    1182.8×
  48. 48Tuen MunTuen Mun, Hong Kong
    1172.8×
  49. 49Bang NaBangkok, Thailand
    1162.8×
  50. 50JakartaJakarta, Indonesia
    1142.7×
  51. 51PrzemyślSubcarpathia, Poland
    1142.7×
  52. 52CorcoranCalifornia, United States
    1132.7×
  53. 53Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    1132.7×
  54. 53Khlong Sam WaBangkok, Thailand
    1132.7×
  55. 55Ban Samae DamBangkok, Thailand
    1132.7×
  56. 56KragujevacCentral Serbia, Serbia
    1122.7×
  57. 57ZemunCentral Serbia, Serbia
    1112.6×
  58. 58Tin Shui WaiYuen Long, Hong Kong
    1112.6×
  59. 59Imperial BeachCalifornia, United States
    1102.6×
  60. 60AntananarivoAnalamanga, Madagascar
    1102.6×
  61. 61AmmanAmman, Jordan
    1092.6×
  62. 61Kwai ChungKwai Tsing District, Hong Kong
    1092.6×
  63. 63KraljevoCentral Serbia, Serbia
    1072.5×
  64. 64KranjUrban Municipality of Kranj, Slovenia
    1072.5×
  65. 65West JordanUtah, United States
    1072.5×
  66. 66FanlingNorth District, Hong Kong
    1062.5×
  67. 66VallejoCalifornia, United States
    1062.5×
  68. 68BihaćFederation of B&H, Bosnia and Herzegovina
    1062.5×
  69. 69Tai PoTai Po, Hong Kong
    1052.5×
  70. 70MartinezCalifornia, United States
    1052.5×
  71. 71WłocławekKujawsko-Pomorskie, Poland
    1042.5×
  72. 72NišCentral Serbia, Serbia
    1042.4×
  73. 73San Tung Chung HangIslands, Hong Kong
    1042.4×
  74. 74ChaozhouTaiwan, Taiwan
    1032.4×
  75. 75Lak SiBangkok, Thailand
    1032.4×
  76. 76ČačakCentral Serbia, Serbia
    1032.4×
  77. 76Mong KokYau Tsim Mong District, Hong Kong
    1032.4×
  78. 78OaklandCalifornia, United States
    1012.4×
  79. 79SacramentoCalifornia, United States
    1002.4×
  80. 80BerkeleyCalifornia, United States
    992.3×
  81. 81VictoriaCentral and Western, Hong Kong
    992.3×
  82. 82PančevoVojvodina, Serbia
    992.3×
  83. 83MillcreekUtah, United States
    992.3×
  84. 84Lat KrabangBangkok, Thailand
    992.3×
  85. 85GdyniaPomerania, Poland
    982.3×
  86. 86Novo MestoUrban Municipality of Novo Mesto, Slovenia
    982.3×
  87. 87NiskoSubcarpathia, Poland
    972.3×
  88. 87ManlleuCatalonia, Spain
    972.3×
  89. 89Bueng KumBangkok, Thailand
    972.3×
  90. 90PirotCentral Serbia, Serbia
    972.2×
  91. 91Sham Shui PoSham Shui Po District, Hong Kong
    972.2×
  92. 92Jacobo HunterArequipa, Peru
    962.2×
  93. 93Tsuen WanTsuen Wan, Hong Kong
    962.2×
  94. 93CeljeUrban Municipality of Celje, Slovenia
    962.2×
  95. 93ComptonCalifornia, United States
    962.2×
  96. 96BangkokBangkok, Thailand
    962.2×
  97. 97AugustaGeorgia, United States
    962.2×
  98. 98GuangzhouGuangdong, China
    952.2×
  99. 99RichmondCalifornia, United States
    942.2×
  100. 99Saphan SungBangkok, Thailand
    942.2×
  101. 101BelgradeCentral Serbia, Serbia
    942.1×
  102. 101ZgierzŁódź Voivodeship, Poland
    942.1×
  103. 101San FranciscoCalifornia, United States
    942.1×
  104. 104LazarevacCentral Serbia, Serbia
    942.1×
  105. 104Sha TinSha Tin, Hong Kong
    942.1×
  106. 104ChiguayanteBiobio, Chile
    942.1×
  107. 104Khan Na YaoBangkok, Thailand
    942.1×
  108. 108OtwockMazovia, Poland
    932.1×
  109. 109Accralow-cost sensorsGreater Accra, Ghana
    932.1×
  110. 110Palo Altolow-cost sensorsCalifornia, United States
    932.1×
  111. 111Sau Mau PingKwun Tong District, Hong Kong
    932.1×
  112. 111Sai MaiBangkok, Thailand
    932.1×
  113. 111Arden-ArcadeCalifornia, United States
    932.1×
  114. 114Skarżysko-KamiennaŚwiętokrzyskie, Poland
    922.1×
  115. 114Medina Estateslow-cost sensorsGreater Accra, Ghana
    922.1×
  116. 116NegotinCentral Serbia, Serbia
    922.1×
  117. 116Bang KapiBangkok, Thailand
    922.1×
  118. 118JarosławSubcarpathia, Poland
    922.1×
  119. 119DziałdowoWarmia-Masuria, Poland
    922.1×
  120. 120SarajevoFederation of B&H, Bosnia and Herzegovina
    902.0×
  121. 121Ban Khlong PrawetBangkok, Thailand
    902.0×
  122. 122XonacatlánMéxico, Mexico
    902.0×
  123. 122OremUtah, United States
    902.0×
  124. 124ObrenovacCentral Serbia, Serbia
    902.0×
  125. 125LublinLublin, Poland
    902.0×
  126. 125FengshanTakao, Taiwan
    902.0×
  127. 127OlsztynWarmia-Masuria, Poland
    892.0×
  128. 128Vientianelow-cost sensorsVientiane Prefecture, Laos
    892.0×
  129. 129ŻyrardówMazovia, Poland
    881.9×
  130. 129AnaheimCalifornia, United States
    881.9×
  131. 131ThessaloníkiCentral Macedonia, Greece
    881.9×
  132. 132ElblągWarmia-Masuria, Poland
    881.9×
  133. 132ValdostaGeorgia, United States
    881.9×
  134. 134BakuBaki, Azerbaijan
    881.9×
  135. 134YangonYangon, Myanmar
    881.9×
  136. 134Mueang NonthaburiNonthaburi, Thailand
    881.9×
  137. 134KutnoŁódź Voivodeship, Poland
    881.9×
  138. 134KaliszGreater Poland, Poland
    881.9×
  139. 139BydgoszczKujawsko-Pomorskie, Poland
    871.9×
  140. 139South San Franciscolow-cost sensorsCalifornia, United States
    871.9×
  141. 141ChicoCalifornia, United States
    871.9×
  142. 142RadomMazovia, Poland
    871.9×
  143. 143StarachowiceŚwiętokrzyskie, Poland
    861.9×
  144. 144PtujUrban Municipality of Ptuj, Slovenia
    861.9×
  145. 144San RafaelCalifornia, United States
    861.9×
  146. 146Şabāḩ as SālimMubārak al Kabīr, Kuwait
    861.8×
  147. 146Dimitrovgradlow-cost sensorsHaskovo, Bulgaria
    861.8×
  148. 146Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    861.8×
  149. 146San LeandroCalifornia, United States
    861.8×
  150. 150ŻywiecSilesia, Poland
    851.8×
  151. 151Nong ChokBangkok, Thailand
    851.8×
  152. 151ToruńKujawsko-Pomorskie, Poland
    851.8×
  153. 151PoznańGreater Poland, Poland
    851.8×
  154. 154SremčicaCentral Serbia, Serbia
    851.8×
  155. 155TravnikFederation of B&H, Bosnia and Herzegovina
    841.8×
  156. 156KaohsiungTakao, Taiwan
    841.8×
  157. 157Istanbullow-cost sensorsIstanbul, Turkey
    841.8×
  158. 158ZamośćLublin, Poland
    841.8×
  159. 158RacibórzSilesia, Poland
    841.8×
  160. 158GdańskPomerania, Poland
    841.8×
  161. 161AthensAttica, Greece
    841.8×
  162. 161Konstancin-JeziornaMazovia, Poland
    841.8×
  163. 161VillarricaAraucania, Chile
    841.8×
  164. 164ConcordCalifornia, United States
    831.8×
  165. 164GaltCalifornia, United States
    831.8×
  166. 166FutogVojvodina, Serbia
    831.8×
  167. 167LimaLima Province, Peru
    831.8×
  168. 167Yuba CityCalifornia, United States
    831.8×
  169. 167Salt Lake CityUtah, United States
    831.8×
  170. 170Botevgradlow-cost sensorsSofia, Bulgaria
    831.7×
  171. 170WarsawMazovia, Poland
    831.7×
  172. 172AstanaAstana, Kazakhstan
    821.7×
  173. 173WawerMazovia, Poland
    821.7×
  174. 173Novi SadVojvodina, Serbia
    821.7×
  175. 175DejCluj County, Romania
    821.7×
  176. 176KatowiceSilesia, Poland
    821.7×
  177. 176NacimientoBiobio, Chile
    821.7×
  178. 178ŚwiecieKujawsko-Pomorskie, Poland
    811.7×
  179. 178Long BeachCalifornia, United States
    811.7×
  180. 180PruszkówMazovia, Poland
    811.7×
  181. 181AltamontOregon, United States
    811.7×
  182. 182VacavilleCalifornia, United States
    801.7×
  183. 183San JoseCalifornia, United States
    801.6×
  184. 184KościerzynaPomerania, Poland
    801.6×
  185. 184West Valley CityUtah, United States
    801.6×
  186. 186PłockMazovia, Poland
    791.6×
  187. 187PiscoIca, Peru
    791.6×
  188. 188Abujalow-cost sensorsFCT, Nigeria
    791.6×
  189. 188Hawthornelow-cost sensorsCalifornia, United States
    791.6×
  190. 188TracyCalifornia, United States
    791.6×
  191. 191Gabrovolow-cost sensorsGabrovo, Bulgaria
    791.6×
  192. 192ŁukówLublin, Poland
    781.6×
  193. 192ŁódźŁódź Voivodeship, Poland
    781.6×
  194. 194PułtuskMazovia, Poland
    781.6×
  195. 195BountifulUtah, United States
    781.6×
  196. 196CodleaBrașov County, Romania
    781.6×
  197. 197KościanGreater Poland, Poland
    781.6×
  198. 198ŁaskŁódź Voivodeship, Poland
    771.6×
  199. 199HerrimanUtah, United States
    771.5×
  200. 200FayettevilleNorth Carolina, United States
    771.5×

Top 200 of 2,271 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 7, 2024, smogrank.com/history/2024-12-07 (accessed 3 Oct 2026).

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