SmogRank / History / November 2, 2023

Most polluted cities on November 2, 2023

1,909 cities ranked by their average PM2.5 over the day; the worst was Ramos Arizpe, Mexico, at 986.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during November 2, 2023. All episodes.

← Ramos Arizpe 986.0 µg/m³ 900 µg/m³15 WHO 24-hour guideline
Every city ranked for November 2, 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+65.7×
  2. 2DelhiDelhi, India
    43719.6×
  3. 3Lahorelow-cost sensorsPunjab, Pakistan
    42419.1×
  4. 4Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    39218.1×
  5. 5Karachilow-cost sensorsSindh, Pakistan
    2219.7×
  6. 6N'DjamenaN’Djaména, Chad
    1836.7×
  7. 7KolkataWest Bengal, India
    1745.9×
  8. 8Dhakalow-cost sensorsDhaka Division, Bangladesh
    1715.6×
  9. 9HanoiHanoi, Vietnam
    1655.1×
  10. 10BeijingBeijing, China
    1634.8×
  11. 11TlaquepaqueJalisco, Mexico
    1624.8×
  12. 12MumbaiMaharashtra, India
    1624.7×
  13. 13ShenyangLiaoning, China
    1584.4×
  14. 14HyderabadTelangana, India
    1544.0×
  15. 15Puerto VarasLos Lagos Region, Chile
    1533.9×
  16. 16ZapopanJalisco, Mexico
    1513.7×
  17. 17Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1443.5×
  18. 18CairoCairo, Egypt
    1443.5×
  19. 19OsornoLos Lagos Region, Chile
    1333.2×
  20. 20Islamabadlow-cost sensorsIslamabad, Pakistan
    1273.1×
  21. 21SalamancaCastille and León, Spain
    1263.0×
  22. 22Victoria de DurangoDurango, Mexico
    1222.9×
  23. 23Tha BoNong Khai, Thailand
    1182.8×
  24. 24Abujalow-cost sensorsFCT, Nigeria
    1162.8×
  25. 25AshgabatAshgabat, Turkmenistan
    1092.6×
  26. 26SalorTashkent Region, Uzbekistan
    1082.6×
  27. 27Samut SakhonSamut Sakhon, Thailand
    1072.5×
  28. 28Coeur d'AleneIdaho, United States
    1062.5×
  29. 29AltamontOregon, United States
    1022.4×
  30. 30CoyhaiqueAysén, Chile
    1002.3×
  31. 31PristinaPristina, Kosovo
    992.3×
  32. 32BangkokBangkok, Thailand
    982.3×
  33. 33CranbrookBritish Columbia, Canada
    982.3×
  34. 34TolucaMéxico, Mexico
    982.3×
  35. 34NacimientoBiobio, Chile
    982.3×
  36. 36Nong KhaemBangkok, Thailand
    972.2×
  37. 36CalexicoCalifornia, United States
    972.2×
  38. 38San Salvador TizatlalliMéxico, Mexico
    962.2×
  39. 39Mueang NonthaburiNonthaburi, Thailand
    952.2×
  40. 40Ciudad Benito JuárezNuevo León, Mexico
    942.2×
  41. 40YakimaWashington, United States
    942.2×
  42. 42ChikuseiIbaraki, Japan
    932.1×
  43. 43GuadalajaraJalisco, Mexico
    932.1×
  44. 44MexicaliBaja California, Mexico
    922.1×
  45. 45HelenaMontana, United States
    902.0×
  46. 46Spokane ValleyWashington, United States
    892.0×
  47. 47AntananarivoAnalamanga, Madagascar
    892.0×
  48. 48SunnysideWashington, United States
    892.0×
  49. 49Phra PradaengSamut Prakan, Thailand
    881.9×
  50. 50ReginaSaskatchewan, Canada
    881.9×
  51. 51Addis AbabaAddis Ababa, Ethiopia
    881.9×
  52. 52NampaIdaho, United States
    861.9×
  53. 53HermistonOregon, United States
    851.8×
  54. 54Khlong LuangPathum Thani, Thailand
    851.8×
  55. 55Nakhon PathomNakhon Pathom, Thailand
    851.8×
  56. 56NagaiYamagata, Japan
    841.8×
  57. 57JeddahMecca Region, Saudi Arabia
    821.7×
  58. 58San Francisco TlalcilalcalpanMéxico, Mexico
    821.7×
  59. 58ChalmetteLouisiana, United States
    821.7×
  60. 60HualpénBiobio, Chile
    821.7×
  61. 60JōsōIbaraki, Japan
    821.7×
  62. 62Samut PrakanSamut Prakan, Thailand
    811.7×
  63. 62Ciudad ApodacaNuevo León, Mexico
    811.7×
  64. 64Bang Bo DistrictSamut Prakan, Thailand
    811.7×
  65. 64HanfordCalifornia, United States
    811.7×
  66. 66KazoSaitama, Japan
    811.7×
  67. 67SpokaneWashington, United States
    801.7×
  68. 68Puerto AysénAysén, Chile
    801.6×
  69. 69StocktonCalifornia, United States
    791.6×
  70. 70Tri-CitiesWashington, United States
    791.6×
  71. 71SaltilloCoahuila, Mexico
    791.6×
  72. 71TurlockCalifornia, United States
    791.6×
  73. 73KurashikiOkayama, Japan
    791.6×
  74. 74Kakogawachō-honmachiHyōgo, Japan
    781.6×
  75. 74ModestoCalifornia, United States
    781.6×
  76. 76NakaIbaraki, Japan
    781.6×
  77. 76WoodlandCalifornia, United States
    781.6×
  78. 78Misato, SaitamaSaitama, Japan
    771.6×
  79. 79TetovoTetovo, North Macedonia
    771.5×
  80. 79KasukabeSaitama, Japan
    771.5×
  81. 79OurenseGalicia, Spain
    771.5×
  82. 79NogalesSonora, Mexico
    771.5×
  83. 83YawataKyoto, Japan
    771.5×
  84. 83BizenOkayama, Japan
    771.5×
  85. 85GyōdaSaitama, Japan
    771.5×
  86. 86NišCentral Serbia, Serbia
    771.5×
  87. 86AgeoSaitama, Japan
    771.5×
  88. 86BakersfieldCalifornia, United States
    771.5×
  89. 89BakuBaki, Azerbaijan
    761.5×
  90. 89Shimo-tsumaIbaraki, Japan
    761.5×
  91. 89OkayamaOkayama, Japan
    761.5×
  92. 92YatomiAichi, Japan
    761.5×
  93. 93Prince GeorgeBritish Columbia, Canada
    761.5×
  94. 94YoukaichiShiga, Japan
    751.5×
  95. 95NodaChiba, Japan
    751.5×
  96. 95HanyūSaitama, Japan
    751.5×
  97. 95BogotáBogota D.C., Colombia
    751.5×
  98. 95OceansideCalifornia, United States
    751.5×
  99. 99KukichūōSaitama, Japan
    751.5×
  100. 99AmagasakiHyōgo, Japan
    751.5×
  101. 101TsuyamaOkayama, Japan
    751.5×
  102. 101IgusaSaitama, Japan
    751.5×
  103. 101CorcoranCalifornia, United States
    751.5×
  104. 101FresnoCalifornia, United States
    751.5×
  105. 101TsuchiuraIbaraki, Japan
    751.5×
  106. 106Nara-shiNara, Japan
    751.5×
  107. 106MenumaSaitama, Japan
    751.5×
  108. 108UjiKyoto, Japan
    741.4×
  109. 109HigashinozoeHyōgo, Japan
    741.4×
  110. 109BandōIbaraki, Japan
    741.4×
  111. 111KōnosuSaitama, Japan
    741.4×
  112. 111BoiseIdaho, United States
    741.4×
  113. 113TijuanaBaja California, Mexico
    741.4×
  114. 114SkopjeGrad Skopje, North Macedonia
    741.4×
  115. 114OnoHyōgo, Japan
    741.4×
  116. 114KumagayaSaitama, Japan
    741.4×
  117. 114Kashihara-shiNara, Japan
    741.4×
  118. 118HandaAichi, Japan
    741.4×
  119. 118TocopillaAntofagasta, Chile
    741.4×
  120. 120IgaMie, Japan
    731.4×
  121. 121Kampalalow-cost sensorsCentral Region, Uganda
    731.4×
  122. 121SarajevoFederation of B&H, Bosnia and Herzegovina
    731.4×
  123. 121QuillotaValparaiso, Chile
    731.4×
  124. 124Wan ChaiWan Chai, Hong Kong
    731.4×
  125. 124TokonameAichi, Japan
    731.4×
  126. 124TōkaiAichi, Japan
    731.4×
  127. 127NabariMie, Japan
    731.4×
  128. 127Ang Mo Kio New TownSingapore
    731.4×
  129. 127KamisuIbaraki, Japan
    731.4×
  130. 130Higashi-MatsuyamaSaitama, Japan
    721.4×
  131. 131SōkaSaitama, Japan
    721.4×
  132. 131Prince AlbertSaskatchewan, Canada
    721.4×
  133. 133AsakaSaitama, Japan
    721.4×
  134. 133Santa CatarinaNuevo León, Mexico
    721.4×
  135. 135ColomboWestern Province, Sri Lanka
    721.4×
  136. 135NagoyaAichi, Japan
    721.4×
  137. 135MiyakonojōMiyazaki, Japan
    721.4×
  138. 135MissoulaMontana, United States
    721.4×
  139. 135PascoWashington, United States
    721.4×
  140. 135SaskatoonSaskatchewan, Canada
    721.4×
  141. 135YachiyoChiba, Japan
    721.4×
  142. 142YokkaichiMie, Japan
    721.3×
  143. 142AntofagastaAntofagasta, Chile
    721.3×
  144. 144Sakai-nakajimaGunma, Japan
    711.3×
  145. 144Kan’onjichōKagawa, Japan
    711.3×
  146. 144DavisCalifornia, United States
    711.3×
  147. 144NiizaSaitama, Japan
    711.3×
  148. 148KyotoKyoto, Japan
    711.3×
  149. 148KoshigayaSaitama, Japan
    711.3×
  150. 148MeridianIdaho, United States
    711.3×
  151. 148SugaiKyoto, Japan
    711.3×
  152. 148YamanashiYamanashi, Japan
    711.3×
  153. 148KaminomaAichi, Japan
    711.3×
  154. 154Kathmandulow-cost sensorsBagmati Province, Nepal
    711.3×
  155. 154TaharaAichi, Japan
    711.3×
  156. 154KakegawaShizuoka, Japan
    711.3×
  157. 157SuzukaMie, Japan
    711.3×
  158. 157KusatsuShiga, Japan
    711.3×
  159. 157KameyamaMie, Japan
    711.3×
  160. 157Ciudad General EscobedoNuevo León, Mexico
    711.3×
  161. 161YokosukaKanagawa, Japan
    711.3×
  162. 161KawaguchiSaitama, Japan
    711.3×
  163. 161ChigasakiKanagawa, Japan
    711.3×
  164. 161Yuba CityCalifornia, United States
    711.3×
  165. 165OkazakiAichi, Japan
    711.3×
  166. 165SaguntoValencia, Spain
    711.3×
  167. 165CayenneGuyane, French Guiana
    711.3×
  168. 165CoronelBiobio, Chile
    711.3×
  169. 165MonterreyNuevo León, Mexico
    711.3×
  170. 165MantecaCalifornia, United States
    711.3×
  171. 165Moses LakeWashington, United States
    711.3×
  172. 165KuwanaMie, Japan
    711.3×
  173. 173TamanoOkayama, Japan
    701.3×
  174. 173Kodamachō-kodamaminamiSaitama, Japan
    701.3×
  175. 173YokoshibaChiba, Japan
    701.3×
  176. 173ColumbusGeorgia, United States
    701.3×
  177. 177SōjaOkayama, Japan
    701.3×
  178. 177KasaokaOkayama, Japan
    701.3×
  179. 179KurumeFukuoka, Japan
    701.3×
  180. 179AlessandriaPiedmont, Italy
    701.3×
  181. 179SacramentoCalifornia, United States
    701.3×
  182. 179SaitamaSaitama, Japan
    701.3×
  183. 183Botevgradlow-cost sensorsSofia, Bulgaria
    701.3×
  184. 183MatsusakaMie, Japan
    701.3×
  185. 185SandachōHyōgo, Japan
    701.3×
  186. 185HimejiHyōgo, Japan
    701.3×
  187. 185TorideIbaraki, Japan
    701.3×
  188. 185TemucoAraucania, Chile
    701.3×
  189. 189YoriiSaitama, Japan
    691.3×
  190. 189YokohamaKanagawa, Japan
    691.3×
  191. 189OyamaTochigi, Japan
    691.3×
  192. 189KurihamaKanagawa, Japan
    691.3×
  193. 189KashiwaChiba, Japan
    691.3×
  194. 189FukuroiShizuoka, Japan
    691.3×
  195. 195ŌtsuShiga, Japan
    691.3×
  196. 196ChiryūAichi, Japan
    691.3×
  197. 197Tanushimarumachi-toyokiFukuoka, Japan
    691.2×
  198. 197KameokaKyoto, Japan
    691.2×
  199. 197IwataShizuoka, Japan
    691.2×
  200. 197EllensburgWashington, United States
    691.2×

Top 200 of 1,909 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, November 2, 2023, smogrank.com/history/2023-11-02 (accessed 2 Oct 2026).

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