SmogRank / History / December 22, 2024

Most polluted cities on December 22, 2024

2,270 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 449.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during December 22, 2024. All episodes.

← Lahore 449.0 µg/m³ 400 µg/m³15 WHO 24-hour guideline
Every city ranked for December 22, 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. 1Lahorelow-cost sensorsPunjab, Pakistan
    500+29.9×
  2. 2DelhiDelhi, India
    42219.1×
  3. 3Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    34216.4×
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    31015.3×
  5. 5Ulan BatorUlaanbaatar, Mongolia
    25812.2×
  6. 6Islamabadlow-cost sensorsIslamabad, Pakistan
    25111.7×
  7. 7DushanbeDushanbe, Tajikistan
    2068.7×
  8. 8CairoCairo, Egypt
    2038.5×
  9. 9Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    1937.7×
  10. 10N'DjamenaN’Djaména, Chad
    1897.3×
  11. 11ValjevoCentral Serbia, Serbia
    1877.1×
  12. 12MumbaiMaharashtra, India
    1846.9×
  13. 13KolkataWest Bengal, India
    1806.4×
  14. 14Accralow-cost sensorsGreater Accra, Ghana
    1685.3×
  15. 15Novi PazarCentral Serbia, Serbia
    1655.0×
  16. 16Kathmandulow-cost sensorsBagmati Province, Nepal
    1634.9×
  17. 17SalorTashkent Region, Uzbekistan
    1624.8×
  18. 18Yerevanlow-cost sensorsYerevan, Armenia
    1604.6×
  19. 19Almatylow-cost sensorsAlmaty, Kazakhstan
    1584.4×
  20. 20KraljevoCentral Serbia, Serbia
    1584.3×
  21. 21ČačakCentral Serbia, Serbia
    1554.1×
  22. 22NegotinCentral Serbia, Serbia
    1554.0×
  23. 23Kampalalow-cost sensorsCentral Region, Uganda
    1523.8×
  24. 24UžiceCentral Serbia, Serbia
    1523.8×
  25. 25SarajevoFederation of B&H, Bosnia and Herzegovina
    1513.7×
  26. 26Medina Estateslow-cost sensorsGreater Accra, Ghana
    1473.6×
  27. 27BaghdadBaghdad, Iraq
    1463.6×
  28. 28ManlleuCatalonia, Spain
    1443.5×
  29. 29Jurupa ValleyCalifornia, United States
    1413.5×
  30. 30KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    1383.4×
  31. 31ZemunCentral Serbia, Serbia
    1353.3×
  32. 32GuangzhouGuangdong, China
    1293.1×
  33. 33PančevoVojvodina, Serbia
    1283.1×
  34. 34KragujevacCentral Serbia, Serbia
    1253.0×
  35. 35JinchengFukien, Taiwan
    1222.9×
  36. 36Nong KhaemBangkok, Thailand
    1182.8×
  37. 36Tuen MunTuen Mun, Hong Kong
    1182.8×
  38. 36Khlong Sam WaBangkok, Thailand
    1182.8×
  39. 39ObrenovacCentral Serbia, Serbia
    1172.8×
  40. 40PirotCentral Serbia, Serbia
    1162.8×
  41. 41RiversideCalifornia, United States
    1162.8×
  42. 42SmederevoCentral Serbia, Serbia
    1152.7×
  43. 43BakuBaki, Azerbaijan
    1152.7×
  44. 44ChaozhouTaiwan, Taiwan
    1142.7×
  45. 44FanlingNorth District, Hong Kong
    1142.7×
  46. 46Ban Samae DamBangkok, Thailand
    1142.7×
  47. 47Zagreblow-cost sensorsZagreb, Croatia
    1142.7×
  48. 48Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    1132.7×
  49. 49LazarevacCentral Serbia, Serbia
    1122.7×
  50. 49Bang NaBangkok, Thailand
    1122.7×
  51. 51FontanaCalifornia, United States
    1112.6×
  52. 52Wan ChaiWan Chai, Hong Kong
    1092.6×
  53. 53FutogVojvodina, Serbia
    1092.6×
  54. 54Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1082.6×
  55. 55Tin Shui WaiYuen Long, Hong Kong
    1082.5×
  56. 56Lak SiBangkok, Thailand
    1072.5×
  57. 57NogalesSonora, Mexico
    1062.5×
  58. 58TijuanaBaja California, Mexico
    1062.5×
  59. 59NogalesArizona, United States
    1052.5×
  60. 60NišCentral Serbia, Serbia
    1042.4×
  61. 61Mueang NonthaburiNonthaburi, Thailand
    1032.4×
  62. 62YangonYangon, Myanmar
    1032.4×
  63. 63MiskolcBorsod-Abaúj-Zemplén, Hungary
    1032.4×
  64. 64San Tung Chung HangIslands, Hong Kong
    1022.4×
  65. 64Bueng KumBangkok, Thailand
    1022.4×
  66. 66KigaliKigali, Rwanda
    1012.4×
  67. 67Banja LukaSrpska, Bosnia and Herzegovina
    1012.4×
  68. 68BangkokBangkok, Thailand
    992.3×
  69. 69BelgradeCentral Serbia, Serbia
    992.3×
  70. 70ShanghaiShanghai, China
    982.3×
  71. 70GlendoraCalifornia, United States
    982.3×
  72. 70Khan Na YaoBangkok, Thailand
    982.3×
  73. 73Sai MaiBangkok, Thailand
    982.3×
  74. 74BurbankCalifornia, United States
    962.2×
  75. 75BakersfieldCalifornia, United States
    962.2×
  76. 76Bang KapiBangkok, Thailand
    962.2×
  77. 76TalaganteSantiago Metropolitan, Chile
    962.2×
  78. 76HanfordCalifornia, United States
    962.2×
  79. 79Lat KrabangBangkok, Thailand
    962.2×
  80. 80Saphan SungBangkok, Thailand
    952.2×
  81. 81Tai PoTai Po, Hong Kong
    952.2×
  82. 82AshgabatAshgabat, Turkmenistan
    942.1×
  83. 83FengshanTakao, Taiwan
    932.1×
  84. 84Tsuen WanTsuen Wan, Hong Kong
    932.1×
  85. 85Mong KokYau Tsim Mong District, Hong Kong
    932.1×
  86. 85SantiagoSantiago Metropolitan, Chile
    932.1×
  87. 85PhoenixArizona, United States
    932.1×
  88. 88Puente AltoSantiago Metropolitan, Chile
    932.1×
  89. 89KaohsiungTakao, Taiwan
    932.1×
  90. 89Los AngelesCalifornia, United States
    932.1×
  91. 91Santa Anita - Los FicusLima region, Peru
    922.1×
  92. 92Ban Khlong PrawetBangkok, Thailand
    922.1×
  93. 93ShenyangLiaoning, China
    922.1×
  94. 93Lake ElsinoreCalifornia, United States
    922.1×
  95. 95ChiguayanteBiobio, Chile
    902.0×
  96. 96Kwai ChungKwai Tsing District, Hong Kong
    902.0×
  97. 97AntananarivoAnalamanga, Madagascar
    902.0×
  98. 98ĆuprijaCentral Serbia, Serbia
    892.0×
  99. 98Sham Shui PoSham Shui Po District, Hong Kong
    892.0×
  100. 100Sha TinSha Tin, Hong Kong
    892.0×
  101. 101ChennaiTamil Nadu, India
    881.9×
  102. 102DhahranEastern Province, Saudi Arabia
    881.9×
  103. 103Vientianelow-cost sensorsVientiane Prefecture, Laos
    881.9×
  104. 104TainanTaiwan, Taiwan
    871.9×
  105. 104Sau Mau PingKwun Tong District, Hong Kong
    871.9×
  106. 104VictoriaCentral and Western, Hong Kong
    871.9×
  107. 107Nong ChokBangkok, Thailand
    871.9×
  108. 108MillcreekUtah, United States
    861.9×
  109. 109SocorroTexas, United States
    861.9×
  110. 110SremčicaCentral Serbia, Serbia
    861.9×
  111. 110XinyingTaiwan, Taiwan
    861.9×
  112. 112ColomboWestern Province, Sri Lanka
    861.8×
  113. 113PortervilleCalifornia, United States
    851.8×
  114. 114LjubljanaLjubljana, Slovenia
    851.8×
  115. 115DejCluj County, Romania
    841.8×
  116. 115ErlunTaiwan, Taiwan
    841.8×
  117. 117CodleaBrașov County, Romania
    841.8×
  118. 117YongkangTaiwan, Taiwan
    841.8×
  119. 117ComptonCalifornia, United States
    841.8×
  120. 120West JordanUtah, United States
    831.8×
  121. 121NacimientoBiobio, Chile
    831.7×
  122. 122GrazStyria, Austria
    821.7×
  123. 122GironaCatalonia, Spain
    821.7×
  124. 122CeljeUrban Municipality of Celje, Slovenia
    821.7×
  125. 125Torrejón de ArdozMadrid, Spain
    821.7×
  126. 125FresnoCalifornia, United States
    821.7×
  127. 127Istanbullow-cost sensorsIstanbul, Turkey
    811.7×
  128. 127AugustówPodlasie, Poland
    811.7×
  129. 127EdmontonAlberta, Canada
    811.7×
  130. 130Gabrovolow-cost sensorsGabrovo, Bulgaria
    811.7×
  131. 130NeiliTaiwan, Taiwan
    811.7×
  132. 132Salt Lake CityUtah, United States
    801.7×
  133. 133BountifulUtah, United States
    801.7×
  134. 134MagongTaiwan, Taiwan
    791.6×
  135. 135KošiceKošice Region, Slovakia
    791.6×
  136. 136PátraWest Greece, Greece
    791.6×
  137. 136PuliTaiwan, Taiwan
    791.6×
  138. 138DouliuTaiwan, Taiwan
    781.6×
  139. 139AnaheimCalifornia, United States
    781.6×
  140. 140ZhushanTaiwan, Taiwan
    781.6×
  141. 140San Pedro de la PazBiobio, Chile
    781.6×
  142. 142LillehammerInnlandet, Norway
    771.6×
  143. 142West Valley CityUtah, United States
    771.6×
  144. 144TaibaoTaiwan, Taiwan
    771.5×
  145. 144ErlinTaiwan, Taiwan
    771.5×
  146. 146BeigangTaiwan, Taiwan
    771.5×
  147. 146ToméBiobio, Chile
    771.5×
  148. 148MagnaUtah, United States
    761.5×
  149. 148Grande PrairieAlberta, Canada
    761.5×
  150. 150Dimitrovgradlow-cost sensorsHaskovo, Bulgaria
    761.5×
  151. 150AsahikawaHokkaido, Japan
    761.5×
  152. 152DziałdowoWarmia-Masuria, Poland
    761.5×
  153. 152Chiayi CityTaiwan, Taiwan
    761.5×
  154. 152OurenseGalicia, Spain
    761.5×
  155. 155PúchovTrenčín Region, Slovakia
    751.5×
  156. 156TrebišovKošice Region, Slovakia
    751.5×
  157. 157YeongjuGyeongsangbuk-do, South Korea
    751.5×
  158. 157BailénAndalusia, Spain
    751.5×
  159. 157Long BeachCalifornia, United States
    751.5×
  160. 160Haskovolow-cost sensorsHaskovo, Bulgaria
    751.5×
  161. 160Botevgradlow-cost sensorsSofia, Bulgaria
    751.5×
  162. 160TooeleUtah, United States
    751.5×
  163. 163HsinchuTaiwan, Taiwan
    741.4×
  164. 163ZvolenBanská Bystrica Region, Slovakia
    741.4×
  165. 165TalcahuanoBiobio, Chile
    741.4×
  166. 166ZhubeiTaiwan, Taiwan
    741.4×
  167. 167CalamaAntofagasta, Chile
    741.4×
  168. 168TocopillaAntofagasta, Chile
    741.4×
  169. 168QuillotaValparaiso, Chile
    741.4×
  170. 170PiscoIca, Peru
    731.4×
  171. 171PezinokBratislava Region, Slovakia
    731.4×
  172. 171KranjUrban Municipality of Kranj, Slovenia
    731.4×
  173. 171AntofagastaAntofagasta, Chile
    731.4×
  174. 171Las VegasNevada, United States
    731.4×
  175. 171North OgdenUtah, United States
    731.4×
  176. 176Oconomowoclow-cost sensorsWisconsin, United States
    731.4×
  177. 177OtwockMazovia, Poland
    731.4×
  178. 177ConcepciónBiobio, Chile
    731.4×
  179. 177Hawthornelow-cost sensorsCalifornia, United States
    731.4×
  180. 177Palo Altolow-cost sensorsCalifornia, United States
    731.4×
  181. 181ZgierzŁódź Voivodeship, Poland
    731.4×
  182. 182ToufenTaiwan, Taiwan
    721.4×
  183. 182WolfsbergCarinthia, Austria
    721.4×
  184. 182Jacobo HunterArequipa, Peru
    721.4×
  185. 185ClovisCalifornia, United States
    721.4×
  186. 185NampaIdaho, United States
    721.4×
  187. 187AthensAttica, Greece
    721.4×
  188. 187ConcónValparaiso, Chile
    721.4×
  189. 189MaderaCalifornia, United States
    721.3×
  190. 190ThessaloníkiCentral Macedonia, Greece
    711.3×
  191. 190Ciudad RealCastille-La Mancha, Spain
    711.3×
  192. 192AricaArica y Parinacota Region, Chile
    711.3×
  193. 192HoustonTexas, United States
    711.3×
  194. 192Florinlow-cost sensorsCalifornia, United States
    711.3×
  195. 195HualquiBiobio, Chile
    711.3×
  196. 196MiaoliTaiwan, Taiwan
    711.3×
  197. 196Chula VistaCalifornia, United States
    711.3×
  198. 196LiberpolisCounty of Osijek-Baranja, Croatia
    711.3×
  199. 199Vranov nad TopľouPrešov Region, Slovakia
    701.3×
  200. 199PorsgrunnTelemark, Norway
    701.3×

Top 200 of 2,270 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 22, 2024, smogrank.com/history/2024-12-22 (accessed 3 Oct 2026).

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