SmogRank / History / December 13, 2023

Most polluted cities on December 13, 2023

1,868 cities ranked by their average PM2.5 over the day; the worst was Saltillo, Mexico, at 987.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during December 13, 2023. All episodes.

← Saltillo 987.0 µg/m³ 900 µg/m³15 WHO 24-hour guideline
Every city ranked for December 13, 2023, 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. 1SaltilloCoahuila, Mexico
    500+65.8×
  2. 2N'DjamenaN’Djaména, Chad
    500+31.7×
  3. 3Lahorelow-cost sensorsPunjab, Pakistan
    43319.5×
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    32215.7×
  5. 5DelhiDelhi, India
    29814.9×
  6. 6Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    28714.1×
  7. 7BakuBaki, Azerbaijan
    2219.7×
  8. 8KolkataWest Bengal, India
    2189.5×
  9. 9SalorTashkent Region, Uzbekistan
    2008.3×
  10. 10TetovoTetovo, North Macedonia
    1856.9×
  11. 11KavadarciKavadarci, North Macedonia
    1796.4×
  12. 12BeijingBeijing, China
    1796.3×
  13. 13Islamabadlow-cost sensorsIslamabad, Pakistan
    1786.2×
  14. 14Karachilow-cost sensorsSindh, Pakistan
    1776.2×
  15. 15Abujalow-cost sensorsFCT, Nigeria
    1756.0×
  16. 16Granadilla de AbonaCanary Islands, Spain
    1755.9×
  17. 17MaspalomasCanary Islands, Spain
    1695.4×
  18. 18KochaniKochani, North Macedonia
    1695.4×
  19. 19Santa Cruz de TenerifeCanary Islands, Spain
    1685.4×
  20. 20Lagoslow-cost sensorsLagos, Nigeria
    1675.2×
  21. 21AgüimesCanary Islands, Spain
    1655.1×
  22. 22Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    1655.0×
  23. 23La OrotavaCanary Islands, Spain
    1655.0×
  24. 24DushanbeDushanbe, Tajikistan
    1644.9×
  25. 25SkopjeGrad Skopje, North Macedonia
    1644.9×
  26. 26IngenioCanary Islands, Spain
    1624.7×
  27. 27HyderabadTelangana, India
    1624.7×
  28. 28CandelariaCanary Islands, Spain
    1594.4×
  29. 29BitolaBitola, North Macedonia
    1584.4×
  30. 30Las Palmas de Gran CanariaCanary Islands, Spain
    1584.3×
  31. 31ShenyangLiaoning, China
    1574.3×
  32. 32VolosThessaly, Greece
    1564.2×
  33. 33San IsidroCanary Islands, Spain
    1554.1×
  34. 34IlindenIlinden, North Macedonia
    1554.0×
  35. 35MumbaiMaharashtra, India
    1523.8×
  36. 36Ulan BatorUlaanbaatar, Mongolia
    1483.6×
  37. 37ChennaiTamil Nadu, India
    1473.6×
  38. 38AronaCanary Islands, Spain
    1463.6×
  39. 39ArucasCanary Islands, Spain
    1423.5×
  40. 40Almatylow-cost sensorsAlmaty, Kazakhstan
    1413.5×
  41. 40Santa Cruz de la PalmaCanary Islands, Spain
    1413.5×
  42. 42Samut SakhonSamut Sakhon, Thailand
    1383.4×
  43. 43Nakhon PathomNakhon Pathom, Thailand
    1363.3×
  44. 44TeldeCanary Islands, Spain
    1363.3×
  45. 45ThessaloníkiCentral Macedonia, Greece
    1343.2×
  46. 46YangonYangon, Myanmar
    1323.2×
  47. 47Kathmandulow-cost sensorsBagmati Province, Nepal
    1293.1×
  48. 48HanoiHanoi, Vietnam
    1293.1×
  49. 49Kampalalow-cost sensorsCentral Region, Uganda
    1283.1×
  50. 49Nong KhaemBangkok, Thailand
    1283.1×
  51. 51JakartaJakarta, Indonesia
    1273.1×
  52. 52TlaquepaqueJalisco, Mexico
    1263.1×
  53. 53Haskovolow-cost sensorsHaskovo, Bulgaria
    1243.0×
  54. 54Victoria de DurangoDurango, Mexico
    1233.0×
  55. 55GrazStyria, Austria
    1233.0×
  56. 56HanfordCalifornia, United States
    1202.9×
  57. 57FresnoCalifornia, United States
    1182.8×
  58. 58TurinPiedmont, Italy
    1152.8×
  59. 59VelesVeles, North Macedonia
    1152.7×
  60. 60BorgomaneroPiedmont, Italy
    1112.6×
  61. 61Mueang NonthaburiNonthaburi, Thailand
    1082.6×
  62. 62ŽilinaŽilina Region, Slovakia
    1062.5×
  63. 63PesaroThe Marches, Italy
    1052.5×
  64. 64Spišská Nová VesKošice Region, Slovakia
    1042.5×
  65. 64CorcoranCalifornia, United States
    1042.5×
  66. 64VisaliaCalifornia, United States
    1042.5×
  67. 67Phra PradaengSamut Prakan, Thailand
    1042.4×
  68. 68SarajevoFederation of B&H, Bosnia and Herzegovina
    1032.4×
  69. 69NišCentral Serbia, Serbia
    1002.4×
  70. 69Khlong LuangPathum Thani, Thailand
    1002.4×
  71. 71StocktonCalifornia, United States
    992.3×
  72. 72KigaliKigali, Rwanda
    982.3×
  73. 72ColomboWestern Province, Sri Lanka
    982.3×
  74. 72AlessandriaPiedmont, Italy
    982.3×
  75. 75BangkokBangkok, Thailand
    972.3×
  76. 76TolucaMéxico, Mexico
    962.2×
  77. 77ZapopanJalisco, Mexico
    962.2×
  78. 78BakersfieldCalifornia, United States
    962.2×
  79. 79San Francisco TlalcilalcalpanMéxico, Mexico
    952.2×
  80. 80MartinŽilina Region, Slovakia
    952.2×
  81. 81AthensAttica, Greece
    942.2×
  82. 81ModestoCalifornia, United States
    942.2×
  83. 83Ban Khlong PrawetBangkok, Thailand
    932.1×
  84. 83MexicaliBaja California, Mexico
    932.1×
  85. 85RužomberokŽilina Region, Slovakia
    932.1×
  86. 86CairoCairo, Egypt
    922.1×
  87. 87ZnojmoSouth Moravian, Czechia
    922.1×
  88. 88BohumínMoravian-Silesian Region, Czechia
    912.1×
  89. 89Santa CatarinaNuevo León, Mexico
    902.0×
  90. 90TijuanaBaja California, Mexico
    902.0×
  91. 91ClovisCalifornia, United States
    902.0×
  92. 91San Salvador TizatlalliMéxico, Mexico
    902.0×
  93. 93Banja LukaSrpska, Bosnia and Herzegovina
    892.0×
  94. 93GuadalajaraJalisco, Mexico
    892.0×
  95. 95DejCluj County, Romania
    892.0×
  96. 96Bang Bo DistrictSamut Prakan, Thailand
    881.9×
  97. 97Samut PrakanSamut Prakan, Thailand
    881.9×
  98. 98AltamontOregon, United States
    871.9×
  99. 99TurlockCalifornia, United States
    871.9×
  100. 100ManamaManama, Bahrain
    861.9×
  101. 101EisenhüttenstadtBrandenburg, Germany
    851.8×
  102. 102KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    841.8×
  103. 102Banská BystricaBanská Bystrica Region, Slovakia
    841.8×
  104. 104AntananarivoAnalamanga, Madagascar
    841.8×
  105. 105Addis AbabaAddis Ababa, Ethiopia
    841.8×
  106. 105GuangzhouGuangdong, China
    841.8×
  107. 107PátraWest Greece, Greece
    831.7×
  108. 107PrešovPrešov Region, Slovakia
    831.7×
  109. 109Arden-ArcadeCalifornia, United States
    821.7×
  110. 110KlosterneuburgLower Austria, Austria
    811.7×
  111. 111MaderaCalifornia, United States
    811.7×
  112. 112OstravaMoravian-Silesian Region, Czechia
    801.7×
  113. 113Ciudad Benito JuárezNuevo León, Mexico
    801.6×
  114. 113PortervilleCalifornia, United States
    801.6×
  115. 115Wan ChaiWan Chai, Hong Kong
    801.6×
  116. 116CopiapóAtacama, Chile
    801.6×
  117. 117MercedCalifornia, United States
    791.6×
  118. 118OlomoucOlomouc Region, Czechia
    791.6×
  119. 119MantecaCalifornia, United States
    781.6×
  120. 120LuganoTicino, Switzerland
    781.6×
  121. 121TrenčínTrenčín Region, Slovakia
    771.6×
  122. 122AvignonProvence-Alpes-Côte d'Azur, France
    771.5×
  123. 123PiraeusAttica, Greece
    771.5×
  124. 123SantiagoSantiago Metropolitan, Chile
    771.5×
  125. 125Frýdek-MístekMoravian-Silesian Region, Czechia
    771.5×
  126. 125ManlleuCatalonia, Spain
    771.5×
  127. 127PerchtoldsdorfLower Austria, Austria
    771.5×
  128. 128BelgradeCentral Serbia, Serbia
    771.5×
  129. 128ZvolenBanská Bystrica Region, Slovakia
    771.5×
  130. 130Cluj-NapocaCluj County, Romania
    761.5×
  131. 130SacramentoCalifornia, United States
    761.5×
  132. 132NyíregyházaSzabolcs-Szatmár-Bereg, Hungary
    761.5×
  133. 132HavířovMoravian-Silesian Region, Czechia
    761.5×
  134. 134Puente AltoSantiago Metropolitan, Chile
    751.5×
  135. 135MödlingLower Austria, Austria
    751.5×
  136. 135QuinteroValparaiso, Chile
    751.5×
  137. 137MiskolcBorsod-Abaúj-Zemplén, Hungary
    741.4×
  138. 137HumennéPrešov Region, Slovakia
    741.4×
  139. 139TocopillaAntofagasta, Chile
    741.4×
  140. 140Frankfurt (Oder)Brandenburg, Germany
    741.4×
  141. 141LitvínovÚstí nad Labem Region, Czechia
    741.4×
  142. 142PhoenixArizona, United States
    741.4×
  143. 143GyőrGyőr-Moson-Sopron, Hungary
    731.4×
  144. 144CraiovaDolj, Romania
    731.4×
  145. 145TrussvilleAlabama, United States
    731.4×
  146. 146Puerto VarasLos Lagos Region, Chile
    721.4×
  147. 147Viña del MarValparaiso, Chile
    721.4×
  148. 147AricaArica y Parinacota Region, Chile
    721.4×
  149. 149MonacoMunicipality of Monaco, Monaco
    721.4×
  150. 149Novi SadVojvodina, Serbia
    721.4×
  151. 149HualpénBiobio, Chile
    721.4×
  152. 152BerounCentral Bohemia, Czechia
    721.4×
  153. 152ToméBiobio, Chile
    721.4×
  154. 152TalaganteSantiago Metropolitan, Chile
    721.4×
  155. 155CalgaryAlberta, Canada
    721.3×
  156. 156ViennaVienna, Austria
    711.3×
  157. 156AnsfeldenUpper Austria, Austria
    711.3×
  158. 158Vranov nad TopľouPrešov Region, Slovakia
    711.3×
  159. 158SliemaTas-Sliema, Malta
    711.3×
  160. 158DěčínÚstí nad Labem Region, Czechia
    711.3×
  161. 161Ciudad JuárezChihuahua, Mexico
    711.3×
  162. 162BolzanoTrentino-Alto Adige, Italy
    711.3×
  163. 162NacimientoBiobio, Chile
    711.3×
  164. 164AsprópyrgosAttica, Greece
    711.3×
  165. 165CoquimboCoquimbo Region, Chile
    711.3×
  166. 166RengoO'Higgins Region, Chile
    701.3×
  167. 167BellinzonaTicino, Switzerland
    701.3×
  168. 167QuillotaValparaiso, Chile
    701.3×
  169. 167Ciudad General EscobedoNuevo León, Mexico
    701.3×
  170. 167BurbankCalifornia, United States
    701.3×
  171. 171IaşiIași County, Romania
    701.3×
  172. 171Mong KokYau Tsim Mong District, Hong Kong
    701.3×
  173. 171MostÚstí nad Labem Region, Czechia
    701.3×
  174. 174ConcónValparaiso, Chile
    691.3×
  175. 174SpartanburgSouth Carolina, United States
    691.3×
  176. 174San Pedro de la PazBiobio, Chile
    691.3×
  177. 177BucharestBucharest, Romania
    691.3×
  178. 178TraunUpper Austria, Austria
    691.3×
  179. 178AntofagastaAntofagasta, Chile
    691.3×
  180. 180PřerovOlomouc Region, Czechia
    691.2×
  181. 180MonterreyNuevo León, Mexico
    691.2×
  182. 182KaunasKaunas, Lithuania
    691.2×
  183. 182RoveretoTrentino-Alto Adige, Italy
    691.2×
  184. 182ChicoCalifornia, United States
    691.2×
  185. 185BerlinState of Berlin, Germany
    691.2×
  186. 185BeneventoCampania, Italy
    691.2×
  187. 185CelayaGuanajuato, Mexico
    691.2×
  188. 185Los AngelesCalifornia, United States
    691.2×
  189. 189Botevgradlow-cost sensorsSofia, Bulgaria
    681.2×
  190. 190Tepeji del Río de OcampoHidalgo, Mexico
    681.2×
  191. 190ChiguayanteBiobio, Chile
    681.2×
  192. 192TeltowBrandenburg, Germany
    681.2×
  193. 192TepliceÚstí nad Labem Region, Czechia
    681.2×
  194. 192RancaguaO'Higgins Region, Chile
    681.2×
  195. 195JesiThe Marches, Italy
    671.2×
  196. 196HualquiBiobio, Chile
    671.2×
  197. 196CoronelBiobio, Chile
    671.2×
  198. 198BadenLower Austria, Austria
    671.2×
  199. 199TalcahuanoBiobio, Chile
    671.2×
  200. 200Inglewoodlow-cost sensorsCalifornia, United States
    671.2×

Top 200 of 1,868 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

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SmogRank, most polluted cities, PM2.5, December 13, 2023, smogrank.com/history/2023-12-13 (accessed 2 Oct 2026).

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