SmogRank / History / December 8, 2023

Most polluted cities on December 8, 2023

1,941 cities ranked by their average PM2.5 over the day; the worst was Ramos Arizpe, Mexico, at 384.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during December 8, 2023. All episodes.

← Ramos Arizpe 384.0 µg/m³ 300 µg/m³15 WHO 24-hour guideline
Every city ranked for December 8, 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. 1Ramos ArizpeCoahuila, Mexico
    500+25.6×
  2. 2Lahorelow-cost sensorsPunjab, Pakistan
    27213.1×
  3. 3Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    26912.9×
  4. 4DelhiDelhi, India
    22510.0×
  5. 5DushanbeDushanbe, Tajikistan
    2028.5×
  6. 6BeijingBeijing, China
    1927.6×
  7. 7Banja LukaSrpska, Bosnia and Herzegovina
    1917.5×
  8. 8Kathmandulow-cost sensorsBagmati Province, Nepal
    1897.3×
  9. 9Český TěšínMoravian-Silesian Region, Czechia
    1846.9×
  10. 10Islamabadlow-cost sensorsIslamabad, Pakistan
    1836.7×
  11. 11Karachilow-cost sensorsSindh, Pakistan
    1806.5×
  12. 12N'DjamenaN’Djaména, Chad
    1756.0×
  13. 13HavířovMoravian-Silesian Region, Czechia
    1756.0×
  14. 14OstravaMoravian-Silesian Region, Czechia
    1735.7×
  15. 15BohumínMoravian-Silesian Region, Czechia
    1715.6×
  16. 16CairoCairo, Egypt
    1675.2×
  17. 17Frýdek-MístekMoravian-Silesian Region, Czechia
    1584.4×
  18. 18Abujalow-cost sensorsFCT, Nigeria
    1564.2×
  19. 19HanoiHanoi, Vietnam
    1564.2×
  20. 20Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1554.0×
  21. 21Ciudad Benito JuárezNuevo León, Mexico
    1544.0×
  22. 22MumbaiMaharashtra, India
    1523.8×
  23. 23ŽilinaŽilina Region, Slovakia
    1483.6×
  24. 24MartinŽilina Region, Slovakia
    1433.5×
  25. 24CholulaPuebla, Mexico
    1433.5×
  26. 26CapannoriTuscany, Italy
    1433.5×
  27. 27JakartaJakarta, Indonesia
    1393.4×
  28. 28Samut SakhonSamut Sakhon, Thailand
    1353.3×
  29. 28OlomoucOlomouc Region, Czechia
    1353.3×
  30. 28SantiagoSantiago Metropolitan, Chile
    1353.3×
  31. 31ShenyangLiaoning, China
    1323.2×
  32. 32NišCentral Serbia, Serbia
    1323.2×
  33. 33OpavaMoravian-Silesian Region, Czechia
    1313.2×
  34. 34SarajevoFederation of B&H, Bosnia and Herzegovina
    1283.1×
  35. 35PřerovOlomouc Region, Czechia
    1273.1×
  36. 36KolkataWest Bengal, India
    1243.0×
  37. 37HyderabadTelangana, India
    1233.0×
  38. 38TřinecMoravian-Silesian Region, Czechia
    1233.0×
  39. 39Kampalalow-cost sensorsCentral Region, Uganda
    1212.9×
  40. 40BeneventoCampania, Italy
    1112.6×
  41. 41GuangzhouGuangdong, China
    1102.6×
  42. 42Valašské MeziříčíZlín, Czechia
    1082.6×
  43. 43StralsundMecklenburg-Vorpommern, Germany
    1052.5×
  44. 44YangonYangon, Myanmar
    1052.5×
  45. 45BelgradeCentral Serbia, Serbia
    1042.5×
  46. 46MonterreyNuevo León, Mexico
    1042.4×
  47. 47MiskolcBorsod-Abaúj-Zemplén, Hungary
    1032.4×
  48. 48Dhakalow-cost sensorsDhaka Division, Bangladesh
    1002.3×
  49. 49Spišská Nová VesKošice Region, Slovakia
    992.3×
  50. 50KigaliKigali, Rwanda
    982.3×
  51. 51TepliceÚstí nad Labem Region, Czechia
    982.3×
  52. 52NaplesCampania, Italy
    982.3×
  53. 53Santa CatarinaNuevo León, Mexico
    972.3×
  54. 54KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    972.3×
  55. 55Ciudad ApodacaNuevo León, Mexico
    962.2×
  56. 56GrazStyria, Austria
    962.2×
  57. 57LitvínovÚstí nad Labem Region, Czechia
    952.2×
  58. 58HumennéPrešov Region, Slovakia
    942.2×
  59. 59KošiceKošice Region, Slovakia
    942.1×
  60. 60AugustaGeorgia, United States
    942.1×
  61. 61Schwedt (Oder)Brandenburg, Germany
    932.1×
  62. 62ZvolenBanská Bystrica Region, Slovakia
    932.1×
  63. 63TetovoTetovo, North Macedonia
    922.1×
  64. 64Nakhon PathomNakhon Pathom, Thailand
    922.1×
  65. 65PrešovPrešov Region, Slovakia
    922.1×
  66. 66AlessandriaPiedmont, Italy
    912.0×
  67. 67TlaquepaqueJalisco, Mexico
    912.0×
  68. 68Cadereyta JiménezNuevo León, Mexico
    902.0×
  69. 69JeddahMecca Region, Saudi Arabia
    892.0×
  70. 69TurinPiedmont, Italy
    892.0×
  71. 69PesaroThe Marches, Italy
    892.0×
  72. 72IrapuatoGuanajuato, Mexico
    892.0×
  73. 73MostÚstí nad Labem Region, Czechia
    892.0×
  74. 73DěčínÚstí nad Labem Region, Czechia
    892.0×
  75. 75Ústí nad LabemÚstí nad Labem Region, Czechia
    881.9×
  76. 76Ciudad General EscobedoNuevo León, Mexico
    881.9×
  77. 77Novi SadVojvodina, Serbia
    861.9×
  78. 78RužomberokŽilina Region, Slovakia
    851.8×
  79. 79Ulan BatorUlaanbaatar, Mongolia
    851.8×
  80. 80Žiar nad HronomBanská Bystrica Region, Slovakia
    851.8×
  81. 81DunaújvárosFejér, Hungary
    851.8×
  82. 81TolucaMéxico, Mexico
    851.8×
  83. 83CelayaGuanajuato, Mexico
    841.8×
  84. 84Mueang NonthaburiNonthaburi, Thailand
    841.8×
  85. 84SpeyerRheinland-Pfalz, Germany
    841.8×
  86. 86Botevgradlow-cost sensorsSofia, Bulgaria
    841.8×
  87. 86TrenčínTrenčín Region, Slovakia
    841.8×
  88. 88BerounCentral Bohemia, Czechia
    841.8×
  89. 89TraunUpper Austria, Austria
    831.7×
  90. 90Almatylow-cost sensorsAlmaty, Kazakhstan
    831.7×
  91. 91EisenhüttenstadtBrandenburg, Germany
    821.7×
  92. 91TijuanaBaja California, Mexico
    821.7×
  93. 93BitolaBitola, North Macedonia
    821.7×
  94. 93ZlínZlín, Czechia
    821.7×
  95. 95PartizánskeTrenčín Region, Slovakia
    821.7×
  96. 95ZapopanJalisco, Mexico
    821.7×
  97. 97WormsRheinland-Pfalz, Germany
    821.7×
  98. 97ZnojmoSouth Moravian, Czechia
    821.7×
  99. 97ŽideniceSouth Moravian, Czechia
    821.7×
  100. 100NyíregyházaSzabolcs-Szatmár-Bereg, Hungary
    821.7×
  101. 100Frankfurt (Oder)Brandenburg, Germany
    821.7×
  102. 100GuadalajaraJalisco, Mexico
    821.7×
  103. 103MalmöSkåne, Sweden
    811.7×
  104. 104SkopjeGrad Skopje, North Macedonia
    811.7×
  105. 104ValdostaGeorgia, United States
    811.7×
  106. 106YokkaichiMie, Japan
    801.7×
  107. 106MainzRheinland-Pfalz, Germany
    801.7×
  108. 106TrnavaTrnava Region, Slovakia
    801.7×
  109. 106Ciudad JuárezChihuahua, Mexico
    801.7×
  110. 110Wan ChaiWan Chai, Hong Kong
    801.7×
  111. 110Rüsselsheim am MainHesse, Germany
    801.7×
  112. 110TakashimaShiga, Japan
    801.7×
  113. 113KladnoCentral Bohemia, Czechia
    801.6×
  114. 114Addis AbabaAddis Ababa, Ethiopia
    801.6×
  115. 114Mladá BoleslavCentral Bohemia, Czechia
    801.6×
  116. 116Phra PradaengSamut Prakan, Thailand
    801.6×
  117. 116BensalemPennsylvania, United States
    801.6×
  118. 118AmagasakiHyōgo, Japan
    801.6×
  119. 119TocopillaAntofagasta, Chile
    791.6×
  120. 120KroměřížZlín, Czechia
    791.6×
  121. 121AntananarivoAnalamanga, Madagascar
    791.6×
  122. 121BangkokBangkok, Thailand
    791.6×
  123. 121AnsfeldenUpper Austria, Austria
    791.6×
  124. 124BadgerAlaska, United States
    781.6×
  125. 125SallanchesAuvergne-Rhône-Alpes, France
    781.6×
  126. 125Puente AltoSantiago Metropolitan, Chile
    781.6×
  127. 127Sankt PöltenLower Austria, Austria
    781.6×
  128. 128Samut PrakanSamut Prakan, Thailand
    781.6×
  129. 128EsztergomKomárom-Esztergom, Hungary
    781.6×
  130. 130Bang Bo DistrictSamut Prakan, Thailand
    771.5×
  131. 130WelsUpper Austria, Austria
    771.5×
  132. 130Frankfurt am MainHesse, Germany
    771.5×
  133. 130MexicaliBaja California, Mexico
    771.5×
  134. 134WiesbadenHesse, Germany
    771.5×
  135. 134PardubicePardubice Region, Czechia
    771.5×
  136. 136SandachōHyōgo, Japan
    771.5×
  137. 136KasaokaOkayama, Japan
    771.5×
  138. 136FukuyamaHiroshima, Japan
    771.5×
  139. 139KadaňÚstí nad Labem Region, Czechia
    771.5×
  140. 140Neu-UlmBavaria, Germany
    771.5×
  141. 140Hradec KrálovéHradec Králové Region, Czechia
    771.5×
  142. 142PrievidzaTrenčín Region, Slovakia
    761.5×
  143. 143EschbornHesse, Germany
    761.5×
  144. 144Falconara MarittimaThe Marches, Italy
    761.5×
  145. 144BarrieOntario, Canada
    761.5×
  146. 144L'Ancienne-LoretteQuebec, Canada
    761.5×
  147. 147BratislavaBratislava Region, Slovakia
    761.5×
  148. 147PilsenPlzeň Region, Czechia
    761.5×
  149. 149GroßostheimBavaria, Germany
    761.5×
  150. 150Khlong LuangPathum Thani, Thailand
    751.5×
  151. 150KlosterneuburgLower Austria, Austria
    751.5×
  152. 150MeylanAuvergne-Rhône-Alpes, France
    751.5×
  153. 150NitraNitra Region, Slovakia
    751.5×
  154. 150HandlováTrenčín Region, Slovakia
    751.5×
  155. 150BrnoSouth Moravian, Czechia
    751.5×
  156. 156Hanau am MainHesse, Germany
    751.5×
  157. 156Bad KreuznachRheinland-Pfalz, Germany
    751.5×
  158. 158Mong KokYau Tsim Mong District, Hong Kong
    751.5×
  159. 158BerlinState of Berlin, Germany
    751.5×
  160. 160Vranov nad TopľouPrešov Region, Slovakia
    751.5×
  161. 160TeltowBrandenburg, Germany
    751.5×
  162. 160Karlova VesBratislava Region, Slovakia
    751.5×
  163. 160PraguePrague, Czechia
    751.5×
  164. 164MödlingLower Austria, Austria
    741.4×
  165. 164RancaguaO'Higgins Region, Chile
    741.4×
  166. 166Kakogawachō-honmachiHyōgo, Japan
    741.4×
  167. 166QuinteroValparaiso, Chile
    741.4×
  168. 168MiyazuKyoto, Japan
    741.4×
  169. 169NyūzenToyama, Japan
    741.4×
  170. 169NabariMie, Japan
    741.4×
  171. 169GießenHesse, Germany
    741.4×
  172. 172Limburg an der LahnHesse, Germany
    741.4×
  173. 172WittenbergSaxony-Anhalt, Germany
    741.4×
  174. 174OldenburgLower Saxony, Germany
    741.4×
  175. 174Bernau bei BerlinBrandenburg, Germany
    741.4×
  176. 174San Salvador TizatlalliMéxico, Mexico
    741.4×
  177. 177Tuen MunTuen Mun, Hong Kong
    731.4×
  178. 177KameyamaMie, Japan
    731.4×
  179. 179HikoneShiga, Japan
    731.4×
  180. 179SugaiKyoto, Japan
    731.4×
  181. 181RostockMecklenburg-Vorpommern, Germany
    731.4×
  182. 181SenicaTrnava Region, Slovakia
    731.4×
  183. 181San Francisco TlalcilalcalpanMéxico, Mexico
    731.4×
  184. 181TorontoOntario, Canada
    731.4×
  185. 185DarmstadtHesse, Germany
    731.4×
  186. 185České BudějoviceSouth Bohemian Region, Czechia
    731.4×
  187. 185AricaArica y Parinacota Region, Chile
    731.4×
  188. 188Ludwigshafen am RheinRheinland-Pfalz, Germany
    731.4×
  189. 189Ban Khlong PrawetBangkok, Thailand
    721.4×
  190. 189KusatsuShiga, Japan
    721.4×
  191. 189HeilbronnBaden-Wurttemberg, Germany
    721.4×
  192. 189EberswaldeBrandenburg, Germany
    721.4×
  193. 189HarrisburgPennsylvania, United States
    721.4×
  194. 189YatomiAichi, Japan
    721.4×
  195. 195CottbusBrandenburg, Germany
    721.4×
  196. 196Lagoslow-cost sensorsLagos, Nigeria
    721.4×
  197. 196PerchtoldsdorfLower Austria, Austria
    721.4×
  198. 196PueblaPuebla, Mexico
    721.4×
  199. 199CoquimboCoquimbo Region, Chile
    721.4×
  200. 200SaikūMie, Japan
    721.3×

Top 200 of 1,941 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 8, 2023, smogrank.com/history/2023-12-08 (accessed 2 Oct 2026).

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