SmogRank / History / December 1, 2024

Most polluted cities on December 1, 2024

1,714 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 177.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during December 1, 2024. All episodes.

← Lahore 177.0 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for December 1, 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
    25211.8×
  2. 2DelhiDelhi, India
    22710.1×
  3. 3Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1897.3×
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    1887.2×
  5. 5MumbaiMaharashtra, India
    1766.1×
  6. 6Kampalalow-cost sensorsCentral Region, Uganda
    1725.7×
  7. 7KolkataWest Bengal, India
    1705.5×
  8. 8Islamabadlow-cost sensorsIslamabad, Pakistan
    1665.1×
  9. 9HanoiHanoi, Vietnam
    1644.9×
  10. 10Novi PazarCentral Serbia, Serbia
    1624.7×
  11. 11Kathmandulow-cost sensorsBagmati Province, Nepal
    1594.4×
  12. 12CairoCairo, Egypt
    1554.1×
  13. 13Jelenia GóraLower Silesia, Poland
    1544.0×
  14. 14Vientianelow-cost sensorsVientiane Prefecture, Laos
    1533.9×
  15. 15OpoleOpole Voivodeship, Poland
    1523.8×
  16. 16ConakryConakry, Guinea
    1523.8×
  17. 17Czechowice-DziedziceSilesia, Poland
    1523.8×
  18. 18KościanGreater Poland, Poland
    1423.5×
  19. 19Yerevanlow-cost sensorsYerevan, Armenia
    1413.5×
  20. 20RacibórzSilesia, Poland
    1353.3×
  21. 21OtwockMazovia, Poland
    1333.2×
  22. 21Accralow-cost sensorsGreater Accra, Ghana
    1333.2×
  23. 21PoznańGreater Poland, Poland
    1333.2×
  24. 24ŻywiecSilesia, Poland
    1333.2×
  25. 25Bielsko-BialaSilesia, Poland
    1303.2×
  26. 26Skarżysko-KamiennaŚwiętokrzyskie, Poland
    1293.1×
  27. 27WłocławekKujawsko-Pomorskie, Poland
    1273.1×
  28. 28Medina Estateslow-cost sensorsGreater Accra, Ghana
    1263.0×
  29. 29GuangzhouGuangdong, China
    1233.0×
  30. 30BakersfieldCalifornia, United States
    1233.0×
  31. 31AstanaAstana, Kazakhstan
    1222.9×
  32. 32Bang NaBangkok, Thailand
    1212.9×
  33. 32Jastrzębie ZdrójSilesia, Poland
    1212.9×
  34. 34Banja LukaSrpska, Bosnia and Herzegovina
    1172.8×
  35. 35Nong KhaemBangkok, Thailand
    1172.8×
  36. 35Lak SiBangkok, Thailand
    1172.8×
  37. 37ShanghaiShanghai, China
    1172.8×
  38. 37Khlong Sam WaBangkok, Thailand
    1172.8×
  39. 39Kędzierzyn-KoźleOpole Voivodeship, Poland
    1122.7×
  40. 40Abujalow-cost sensorsFCT, Nigeria
    1122.7×
  41. 40VisaliaCalifornia, United States
    1122.7×
  42. 42ŻyrardówMazovia, Poland
    1092.6×
  43. 43Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    1082.6×
  44. 43DziałdowoWarmia-Masuria, Poland
    1082.6×
  45. 43BydgoszczKujawsko-Pomorskie, Poland
    1082.6×
  46. 46Lat KrabangBangkok, Thailand
    1082.6×
  47. 47KaliszGreater Poland, Poland
    1072.5×
  48. 48ErlunTaiwan, Taiwan
    1072.5×
  49. 49ŁaskŁódź Voivodeship, Poland
    1072.5×
  50. 50Ban Samae DamBangkok, Thailand
    1072.5×
  51. 51N'DjamenaN’Djaména, Chad
    1062.5×
  52. 52ErlinTaiwan, Taiwan
    1062.5×
  53. 53WrocławLower Silesia, Poland
    1042.5×
  54. 54BeijingBeijing, China
    1042.4×
  55. 55BangkokBangkok, Thailand
    1042.4×
  56. 56SeonghwanChungcheongnam-do, South Korea
    1032.4×
  57. 57CholulaPuebla, Mexico
    1032.4×
  58. 58KutnoŁódź Voivodeship, Poland
    1022.4×
  59. 58Khan Na YaoBangkok, Thailand
    1022.4×
  60. 60DushanbeDushanbe, Tajikistan
    1022.4×
  61. 61Saphan SungBangkok, Thailand
    1012.4×
  62. 62YangonYangon, Myanmar
    1002.4×
  63. 63Bueng KumBangkok, Thailand
    992.3×
  64. 64Mueang NonthaburiNonthaburi, Thailand
    992.3×
  65. 65HanfordCalifornia, United States
    992.3×
  66. 66Nong ChokBangkok, Thailand
    982.3×
  67. 66PortervilleCalifornia, United States
    982.3×
  68. 68ModestoCalifornia, United States
    972.3×
  69. 69Winterthurlow-cost sensorsZurich, Switzerland
    972.3×
  70. 70Bang KapiBangkok, Thailand
    972.3×
  71. 71WawerMazovia, Poland
    972.2×
  72. 72Zagreblow-cost sensorsZagreb, Croatia
    972.2×
  73. 73Sai MaiBangkok, Thailand
    962.2×
  74. 74Imperial BeachCalifornia, United States
    952.2×
  75. 75NogalesSonora, Mexico
    952.2×
  76. 76Florinlow-cost sensorsCalifornia, United States
    952.2×
  77. 77PubalGyeonggi-do, South Korea
    942.2×
  78. 78DouliuTaiwan, Taiwan
    942.1×
  79. 79Ban Khlong PrawetBangkok, Thailand
    942.1×
  80. 80AmmanAmman, Jordan
    932.1×
  81. 81AugustówPodlasie, Poland
    932.1×
  82. 82SzczecinWest Pomerania, Poland
    932.1×
  83. 83ToruńKujawsko-Pomorskie, Poland
    932.1×
  84. 84Silao de la VictoriaGuanajuato, Mexico
    932.1×
  85. 85FresnoCalifornia, United States
    922.1×
  86. 86ŚwiecieKujawsko-Pomorskie, Poland
    922.1×
  87. 87BeigangTaiwan, Taiwan
    922.1×
  88. 87FutogVojvodina, Serbia
    922.1×
  89. 89Gorzów WielkopolskiLubusz, Poland
    922.1×
  90. 90GdyniaPomerania, Poland
    912.0×
  91. 91Icheon-siGyeonggi-do, South Korea
    912.0×
  92. 92BaghdadBaghdad, Iraq
    912.0×
  93. 93MantecaCalifornia, United States
    902.0×
  94. 94Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    902.0×
  95. 95ColomboWestern Province, Sri Lanka
    902.0×
  96. 95NantouTaiwan, Taiwan
    902.0×
  97. 95CorcoranCalifornia, United States
    902.0×
  98. 98XinyingTaiwan, Taiwan
    902.0×
  99. 99PuliTaiwan, Taiwan
    902.0×
  100. 99YeojuGyeonggi-do, South Korea
    902.0×
  101. 101KłodzkoLower Silesia, Poland
    892.0×
  102. 101TurlockCalifornia, United States
    892.0×
  103. 103PruszkówMazovia, Poland
    892.0×
  104. 103Konstancin-JeziornaMazovia, Poland
    892.0×
  105. 103BadgerAlaska, United States
    892.0×
  106. 106ŁódźŁódź Voivodeship, Poland
    892.0×
  107. 106UžiceCentral Serbia, Serbia
    892.0×
  108. 106Jacobo HunterArequipa, Peru
    892.0×
  109. 109AlgiersAlgiers, Algeria
    881.9×
  110. 110Tuen MunTuen Mun, Hong Kong
    881.9×
  111. 111TaibaoTaiwan, Taiwan
    871.9×
  112. 112RadomMazovia, Poland
    871.9×
  113. 112BuziTaiwan, Taiwan
    871.9×
  114. 114PyeongtaekGyeonggi-do, South Korea
    871.9×
  115. 114AnseongGyeonggi-do, South Korea
    871.9×
  116. 114Ciudad Benito JuárezNuevo León, Mexico
    871.9×
  117. 117ChicoCalifornia, United States
    861.9×
  118. 118ElblągWarmia-Masuria, Poland
    861.9×
  119. 119ZhushanTaiwan, Taiwan
    861.9×
  120. 119Chiayi CityTaiwan, Taiwan
    861.9×
  121. 119Bucheon-siGyeonggi-do, South Korea
    861.9×
  122. 119GwangjuGyeonggi-do, South Korea
    861.9×
  123. 119Santa Anita - Los FicusLima region, Peru
    861.9×
  124. 124PłockMazovia, Poland
    861.8×
  125. 125LazarevacCentral Serbia, Serbia
    851.8×
  126. 125Wan ChaiWan Chai, Hong Kong
    851.8×
  127. 127SuwonGyeonggi-do, South Korea
    851.8×
  128. 127KatowiceSilesia, Poland
    851.8×
  129. 129PułtuskMazovia, Poland
    851.8×
  130. 130LimaLima Province, Peru
    851.8×
  131. 131Chinch'ŏnNorth Chungcheong, South Korea
    851.8×
  132. 132Quezon Citylow-cost sensorsNational Capital Region, Philippines
    851.8×
  133. 132ValjevoCentral Serbia, Serbia
    851.8×
  134. 132StocktonCalifornia, United States
    851.8×
  135. 135YuanlinTaiwan, Taiwan
    841.8×
  136. 136TainanTaiwan, Taiwan
    841.8×
  137. 137MercedCalifornia, United States
    841.8×
  138. 138TaichungTaiwan, Taiwan
    831.8×
  139. 138MonterreyNuevo León, Mexico
    831.8×
  140. 138RosevilleCalifornia, United States
    831.8×
  141. 141LublinLublin, Poland
    831.7×
  142. 141GdańskPomerania, Poland
    831.7×
  143. 143ŁukówLublin, Poland
    821.7×
  144. 143Yangp'yŏngGyeonggi-do, South Korea
    821.7×
  145. 143BirminghamAlabama, United States
    821.7×
  146. 146Istanbullow-cost sensorsIstanbul, Turkey
    821.7×
  147. 147KrakówLesser Poland, Poland
    821.7×
  148. 148Mong KokYau Tsim Mong District, Hong Kong
    821.7×
  149. 148Anyang-siGyeonggi-do, South Korea
    821.7×
  150. 148Ciudad General EscobedoNuevo León, Mexico
    821.7×
  151. 151OlsztynWarmia-Masuria, Poland
    811.7×
  152. 151ParklandWashington, United States
    811.7×
  153. 153ChanghuaTaiwan, Taiwan
    811.7×
  154. 154Şabāḩ as SālimMubārak al Kabīr, Kuwait
    811.7×
  155. 154WarsawMazovia, Poland
    811.7×
  156. 156MaderaCalifornia, United States
    801.7×
  157. 157YeongjuGyeongsangbuk-do, South Korea
    801.6×
  158. 157Cheongju-siNorth Chungcheong, South Korea
    801.6×
  159. 157ClovisCalifornia, United States
    801.6×
  160. 160Tin Shui WaiYuen Long, Hong Kong
    801.6×
  161. 160Hwaseong-siGyeonggi-do, South Korea
    801.6×
  162. 160Ciudad NezahualcoyotlMéxico, Mexico
    801.6×
  163. 160IrapuatoGuanajuato, Mexico
    801.6×
  164. 164DaxiTaiwan, Taiwan
    801.6×
  165. 165Ansan-siGyeonggi-do, South Korea
    801.6×
  166. 166BytówPomerania, Poland
    791.6×
  167. 167NegotinCentral Serbia, Serbia
    791.6×
  168. 167OsanGyeonggi-do, South Korea
    791.6×
  169. 169SejongSejong-si, South Korea
    791.6×
  170. 170GwangmyeongGyeonggi-do, South Korea
    791.6×
  171. 171KraljevoCentral Serbia, Serbia
    781.6×
  172. 171JungpyongNorth Chungcheong, South Korea
    781.6×
  173. 171León de los AldamaGuanajuato, Mexico
    781.6×
  174. 174StarachowiceŚwiętokrzyskie, Poland
    781.6×
  175. 174AntananarivoAnalamanga, Madagascar
    781.6×
  176. 176YongkangTaiwan, Taiwan
    781.6×
  177. 177Seongnam-siGyeonggi-do, South Korea
    781.6×
  178. 177KołobrzegWest Pomerania, Poland
    781.6×
  179. 179TangjinChungcheongnam-do, South Korea
    771.6×
  180. 179Gimpo-siGyeonggi-do, South Korea
    771.6×
  181. 179HwadoGyeonggi-do, South Korea
    771.6×
  182. 182MunsanGyeonggi-do, South Korea
    771.5×
  183. 183KaohsiungTakao, Taiwan
    771.5×
  184. 184CalexicoCalifornia, United States
    771.5×
  185. 185IncheonIncheon, South Korea
    761.5×
  186. 186YŏnmuChungcheongnam-do, South Korea
    761.5×
  187. 187SalorTashkent Region, Uzbekistan
    761.5×
  188. 187ConroeTexas, United States
    761.5×
  189. 187NogalesArizona, United States
    761.5×
  190. 190ŻaryLubusz, Poland
    761.5×
  191. 191AuburnWashington, United States
    751.5×
  192. 191San Francisco De BorjaLima region, Peru
    751.5×
  193. 193Yuba CityCalifornia, United States
    751.5×
  194. 194BartlettTennessee, United States
    751.5×
  195. 194Great FallsMontana, United States
    751.5×
  196. 194Jardines de la SillaNuevo León, Mexico
    751.5×
  197. 197KielceŚwiętokrzyskie, Poland
    751.5×
  198. 197West JordanUtah, United States
    751.5×
  199. 199SmederevoCentral Serbia, Serbia
    751.5×
  200. 199PirotCentral Serbia, Serbia
    751.5×

Top 200 of 1,714 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 1, 2024, smogrank.com/history/2024-12-01 (accessed 3 Oct 2026).

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