SmogRank / History / December 19, 2024

Most polluted cities on December 19, 2024

2,172 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 357.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during December 19, 2024. All episodes.

← Lahore 357.0 µg/m³ 300 µg/m³15 WHO 24-hour guideline
Every city ranked for December 19, 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+23.8×
  2. 2Dhakalow-cost sensorsDhaka Division, Bangladesh
    46720.6×
  3. 3DelhiDelhi, India
    44719.9×
  4. 4Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    36417.1×
  5. 5DushanbeDushanbe, Tajikistan
    25311.9×
  6. 6PirotCentral Serbia, Serbia
    25211.8×
  7. 7SarajevoFederation of B&H, Bosnia and Herzegovina
    23610.7×
  8. 8KolkataWest Bengal, India
    2179.5×
  9. 9NegotinCentral Serbia, Serbia
    2169.4×
  10. 9TravnikFederation of B&H, Bosnia and Herzegovina
    2169.4×
  11. 11Islamabadlow-cost sensorsIslamabad, Pakistan
    2109.0×
  12. 12Novi PazarCentral Serbia, Serbia
    2088.9×
  13. 13N'DjamenaN’Djaména, Chad
    2048.6×
  14. 14KraljevoCentral Serbia, Serbia
    2028.5×
  15. 15MumbaiMaharashtra, India
    1988.1×
  16. 16PančevoVojvodina, Serbia
    1967.9×
  17. 17UžiceCentral Serbia, Serbia
    1846.9×
  18. 18ObrenovacCentral Serbia, Serbia
    1836.8×
  19. 19NišCentral Serbia, Serbia
    1836.7×
  20. 20ZemunCentral Serbia, Serbia
    1826.7×
  21. 21LazarevacCentral Serbia, Serbia
    1826.7×
  22. 22SmederevoCentral Serbia, Serbia
    1816.6×
  23. 23BelgradeCentral Serbia, Serbia
    1786.3×
  24. 24ČačakCentral Serbia, Serbia
    1725.7×
  25. 25Kathmandulow-cost sensorsBagmati Province, Nepal
    1685.3×
  26. 26ValjevoCentral Serbia, Serbia
    1655.1×
  27. 27SremčicaCentral Serbia, Serbia
    1614.7×
  28. 28KragujevacCentral Serbia, Serbia
    1604.5×
  29. 29Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    1594.5×
  30. 30CodleaBrașov County, Romania
    1584.4×
  31. 31Kampalalow-cost sensorsCentral Region, Uganda
    1564.1×
  32. 32DejCluj County, Romania
    1544.0×
  33. 32ShenyangLiaoning, China
    1544.0×
  34. 34Istanbullow-cost sensorsIstanbul, Turkey
    1543.9×
  35. 35Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    1513.7×
  36. 36JeddahMecca Region, Saudi Arabia
    1483.6×
  37. 37ChennaiTamil Nadu, India
    1473.6×
  38. 38BaghdadBaghdad, Iraq
    1463.6×
  39. 39RuseRuse, Bulgaria
    1393.4×
  40. 40LiberpolisCounty of Osijek-Baranja, Croatia
    1383.4×
  41. 41Medina Estateslow-cost sensorsGreater Accra, Ghana
    1373.3×
  42. 42Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1363.3×
  43. 43Accralow-cost sensorsGreater Accra, Ghana
    1353.3×
  44. 44FutogVojvodina, Serbia
    1263.1×
  45. 45BadgerAlaska, United States
    1243.0×
  46. 46Novi SadVojvodina, Serbia
    1233.0×
  47. 47ĆuprijaCentral Serbia, Serbia
    1222.9×
  48. 48CairoCairo, Egypt
    1222.9×
  49. 49ThessaloníkiCentral Macedonia, Greece
    1202.9×
  50. 50AthensAttica, Greece
    1192.9×
  51. 51Nong KhaemBangkok, Thailand
    1182.8×
  52. 52GuangzhouGuangdong, China
    1172.8×
  53. 53Botevgradlow-cost sensorsSofia, Bulgaria
    1152.8×
  54. 54NacimientoBiobio, Chile
    1132.7×
  55. 55Tuen MunTuen Mun, Hong Kong
    1112.6×
  56. 56NogalesSonora, Mexico
    1102.6×
  57. 57Santa Anita - Los FicusLima region, Peru
    1082.6×
  58. 58TangjinChungcheongnam-do, South Korea
    1082.6×
  59. 59KranjUrban Municipality of Kranj, Slovenia
    1082.6×
  60. 60ChiguayanteBiobio, Chile
    1072.5×
  61. 61Zagreblow-cost sensorsZagreb, Croatia
    1062.5×
  62. 62Wan ChaiWan Chai, Hong Kong
    1062.5×
  63. 63PúchovTrenčín Region, Slovakia
    1052.5×
  64. 64NogalesArizona, United States
    1042.4×
  65. 65YangonYangon, Myanmar
    1032.4×
  66. 66LleidaCatalonia, Spain
    1032.4×
  67. 67MelillaMelilla, Spain
    1022.4×
  68. 68Tin Shui WaiYuen Long, Hong Kong
    1022.4×
  69. 69San Tung Chung HangIslands, Hong Kong
    1012.4×
  70. 70PyeongtaekGyeonggi-do, South Korea
    1002.4×
  71. 71Abujalow-cost sensorsFCT, Nigeria
    992.3×
  72. 72SeonghwanChungcheongnam-do, South Korea
    992.3×
  73. 73Molina de SeguraMurcia, Spain
    982.3×
  74. 74VarnaVarna, Bulgaria
    982.3×
  75. 75MurciaMurcia, Spain
    982.3×
  76. 75Khlong Sam WaBangkok, Thailand
    982.3×
  77. 77OsanGyeonggi-do, South Korea
    972.3×
  78. 77ZnojmoSouth Moravian, Czechia
    972.3×
  79. 79SeosanChungcheongnam-do, South Korea
    972.3×
  80. 80GrazStyria, Austria
    972.2×
  81. 81KigaliKigali, Rwanda
    962.2×
  82. 81Lat KrabangBangkok, Thailand
    962.2×
  83. 83PezinokBratislava Region, Slovakia
    962.2×
  84. 84AntananarivoAnalamanga, Madagascar
    962.2×
  85. 85HongseongChungcheongnam-do, South Korea
    962.2×
  86. 86Ulan BatorUlaanbaatar, Mongolia
    962.2×
  87. 87ManlleuCatalonia, Spain
    962.2×
  88. 88BucharestBucharest, Romania
    952.2×
  89. 89Ban Samae DamBangkok, Thailand
    952.2×
  90. 90PubalGyeonggi-do, South Korea
    952.2×
  91. 91Vientianelow-cost sensorsVientiane Prefecture, Laos
    952.2×
  92. 91ChaozhouTaiwan, Taiwan
    952.2×
  93. 91Anyang-siGyeonggi-do, South Korea
    952.2×
  94. 91KlosterneuburgLower Austria, Austria
    952.2×
  95. 95Guri-siGyeonggi-do, South Korea
    942.2×
  96. 96Hwaseong-siGyeonggi-do, South Korea
    942.2×
  97. 97KoperUrban Municipality of Koper, Slovenia
    942.1×
  98. 98JinchengFukien, Taiwan
    942.1×
  99. 99Tai PoTai Po, Hong Kong
    942.1×
  100. 100Bang NaBangkok, Thailand
    932.1×
  101. 100BeijingBeijing, China
    932.1×
  102. 100WolfsbergCarinthia, Austria
    932.1×
  103. 103SuwonGyeonggi-do, South Korea
    922.1×
  104. 103IncheonIncheon, South Korea
    922.1×
  105. 105ŽilinaŽilina Region, Slovakia
    922.1×
  106. 106YesanChungcheongnam-do, South Korea
    922.1×
  107. 106AsanChungcheongnam-do, South Korea
    922.1×
  108. 106BailénAndalusia, Spain
    922.1×
  109. 109Bucheon-siGyeonggi-do, South Korea
    922.1×
  110. 110IaşiIași County, Romania
    912.1×
  111. 110Kwai ChungKwai Tsing District, Hong Kong
    912.1×
  112. 112Addis AbabaAddis Ababa, Ethiopia
    912.0×
  113. 112GwangmyeongGyeonggi-do, South Korea
    912.0×
  114. 114Ansan-siGyeonggi-do, South Korea
    912.0×
  115. 114ViennaVienna, Austria
    912.0×
  116. 116Goyang-siGyeonggi-do, South Korea
    912.0×
  117. 116Seongnam-siGyeonggi-do, South Korea
    912.0×
  118. 118CraiovaDolj, Romania
    902.0×
  119. 119GwangjuGyeonggi-do, South Korea
    902.0×
  120. 120BangkokBangkok, Thailand
    902.0×
  121. 120HwadoGyeonggi-do, South Korea
    902.0×
  122. 120HanfordCalifornia, United States
    902.0×
  123. 120Bueng KumBangkok, Thailand
    902.0×
  124. 124NyíregyházaSzabolcs-Szatmár-Bereg, Hungary
    892.0×
  125. 124ShanghaiShanghai, China
    892.0×
  126. 124Gimpo-siGyeonggi-do, South Korea
    892.0×
  127. 124GyőrGyőr-Moson-Sopron, Hungary
    892.0×
  128. 128BakersfieldCalifornia, United States
    892.0×
  129. 129PátraWest Greece, Greece
    892.0×
  130. 130LučenecBanská Bystrica Region, Slovakia
    892.0×
  131. 131FengshanTakao, Taiwan
    892.0×
  132. 132Mong KokYau Tsim Mong District, Hong Kong
    881.9×
  133. 133Tsuen WanTsuen Wan, Hong Kong
    881.9×
  134. 133Sha TinSha Tin, Hong Kong
    881.9×
  135. 133YangjuGyeonggi-do, South Korea
    881.9×
  136. 136Cluj-NapocaCluj County, Romania
    881.9×
  137. 136Uijeongbu-siGyeonggi-do, South Korea
    881.9×
  138. 136AnseongGyeonggi-do, South Korea
    881.9×
  139. 136PerchtoldsdorfLower Austria, Austria
    881.9×
  140. 140VictoriaCentral and Western, Hong Kong
    881.9×
  141. 141Dimitrovgradlow-cost sensorsHaskovo, Bulgaria
    881.9×
  142. 141Icheon-siGyeonggi-do, South Korea
    881.9×
  143. 143Yangp'yŏngGyeonggi-do, South Korea
    881.9×
  144. 144Sau Mau PingKwun Tong District, Hong Kong
    871.9×
  145. 144SejongSejong-si, South Korea
    871.9×
  146. 146SeoulSeoul, South Korea
    871.9×
  147. 146HanamGyeonggi-do, South Korea
    871.9×
  148. 146BratislavaBratislava Region, Slovakia
    871.9×
  149. 149Sham Shui PoSham Shui Po District, Hong Kong
    871.9×
  150. 149JungpyongNorth Chungcheong, South Korea
    871.9×
  151. 151Sevlievolow-cost sensorsGabrovo, Bulgaria
    861.9×
  152. 152NamyangjuGyeonggi-do, South Korea
    861.9×
  153. 153SalorTashkent Region, Uzbekistan
    861.9×
  154. 153Cheongju-siNorth Chungcheong, South Korea
    861.9×
  155. 153KrakówLesser Poland, Poland
    861.9×
  156. 153Jacobo HunterArequipa, Peru
    861.9×
  157. 157Ganghwa-gunIncheon, South Korea
    861.9×
  158. 158CórdobaAndalusia, Spain
    851.8×
  159. 159GumiGyeongsangbuk-do, South Korea
    851.8×
  160. 160YeojuGyeonggi-do, South Korea
    851.8×
  161. 160Lak SiBangkok, Thailand
    851.8×
  162. 162CheonanChungcheongnam-do, South Korea
    851.8×
  163. 163KaohsiungTakao, Taiwan
    841.8×
  164. 164ClovisCalifornia, United States
    841.8×
  165. 165YeongjuGyeongsangbuk-do, South Korea
    841.8×
  166. 165FresnoCalifornia, United States
    841.8×
  167. 167BoryeongChungcheongnam-do, South Korea
    841.8×
  168. 168KimjeJeollabuk-do, South Korea
    831.8×
  169. 169GimcheonGyeongsangbuk-do, South Korea
    831.8×
  170. 169FunchalMadeira, Portugal
    831.8×
  171. 169Khan Na YaoBangkok, Thailand
    831.8×
  172. 172Mueang NonthaburiNonthaburi, Thailand
    831.7×
  173. 172Florinlow-cost sensorsCalifornia, United States
    831.7×
  174. 174MödlingLower Austria, Austria
    821.7×
  175. 175Ban Khlong PrawetBangkok, Thailand
    821.7×
  176. 176WabuGyeonggi-do, South Korea
    821.7×
  177. 177MunsanGyeonggi-do, South Korea
    821.7×
  178. 177La Línea de la ConcepciónAndalusia, Spain
    821.7×
  179. 177MaderaCalifornia, United States
    821.7×
  180. 180Chinch'ŏnNorth Chungcheong, South Korea
    821.7×
  181. 180GranadaAndalusia, Spain
    821.7×
  182. 180OriaBasque Country, Spain
    821.7×
  183. 183DhahranEastern Province, Saudi Arabia
    811.7×
  184. 183Bang KapiBangkok, Thailand
    811.7×
  185. 183Santa Cruz de TenerifeCanary Islands, Spain
    811.7×
  186. 183VillarricaAraucania, Chile
    811.7×
  187. 183Sai MaiBangkok, Thailand
    811.7×
  188. 188Taesal-liChungcheongnam-do, South Korea
    811.7×
  189. 189VisaliaCalifornia, United States
    811.7×
  190. 190KinzanChungcheongnam-do, South Korea
    811.7×
  191. 191ChungjuNorth Chungcheong, South Korea
    811.7×
  192. 191SevillaAndalusia, Spain
    811.7×
  193. 191CuencaCastille-La Mancha, Spain
    811.7×
  194. 191MercedCalifornia, United States
    811.7×
  195. 195OkcheonNorth Chungcheong, South Korea
    801.7×
  196. 195Liptovský Mikulᚎilina Region, Slovakia
    801.7×
  197. 197GunsanJeollabuk-do, South Korea
    801.7×
  198. 198MartinŽilina Region, Slovakia
    801.6×
  199. 199Klagenfurt am WörtherseeCarinthia, Austria
    801.6×
  200. 200Sankt PöltenLower Austria, Austria
    801.6×

Top 200 of 2,172 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 19, 2024, smogrank.com/history/2024-12-19 (accessed 3 Oct 2026).

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