SmogRank / History / January 8, 2025

Most polluted cities on January 8, 2025

2,278 cities ranked by their average PM2.5 over the day; the worst was Negotin, Serbia, at 207.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during January 8, 2025. All episodes.

← Negotin 207.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for January 8, 2025, 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. 1NegotinCentral Serbia, Serbia
    28213.8×
  2. 2Lahorelow-cost sensorsPunjab, Pakistan
    26412.6×
  3. 2DushanbeDushanbe, Tajikistan
    26412.6×
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    25311.9×
  5. 5Kampalalow-cost sensorsCentral Region, Uganda
    24211.1×
  6. 6Novi PazarCentral Serbia, Serbia
    2189.5×
  7. 7Ulan BatorUlaanbaatar, Mongolia
    2169.4×
  8. 8DelhiDelhi, India
    2129.1×
  9. 9Karachilow-cost sensorsSindh, Pakistan
    2038.5×
  10. 10N'DjamenaN’Djaména, Chad
    2028.5×
  11. 11KolkataWest Bengal, India
    2008.3×
  12. 12PirotCentral Serbia, Serbia
    1897.3×
  13. 13Los AngelesCalifornia, United States
    1897.3×
  14. 14Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1877.1×
  15. 15HyderabadTelangana, India
    1867.1×
  16. 16Abujalow-cost sensorsFCT, Nigeria
    1796.3×
  17. 17MumbaiMaharashtra, India
    1705.5×
  18. 19HanoiHanoi, Vietnam
    1675.2×
  19. 20ChennaiTamil Nadu, India
    1655.0×
  20. 21DejCluj County, Romania
    1645.0×
  21. 22Khlong Sam WaBangkok, Thailand
    1634.8×
  22. 23NišCentral Serbia, Serbia
    1624.8×
  23. 24ČačakCentral Serbia, Serbia
    1624.7×
  24. 25Nong KhaemBangkok, Thailand
    1614.7×
  25. 26Islamabadlow-cost sensorsIslamabad, Pakistan
    1614.7×
  26. 27BaghdadBaghdad, Iraq
    1604.6×
  27. 28Bueng KumBangkok, Thailand
    1604.6×
  28. 29Khan Na YaoBangkok, Thailand
    1604.6×
  29. 30Bang NaBangkok, Thailand
    1594.5×
  30. 31Lak SiBangkok, Thailand
    1594.4×
  31. 32CairoCairo, Egypt
    1584.4×
  32. 33Bang KapiBangkok, Thailand
    1574.3×
  33. 34Kathmandulow-cost sensorsBagmati Province, Nepal
    1574.3×
  34. 35Sai MaiBangkok, Thailand
    1574.2×
  35. 36CodleaBrașov County, Romania
    1564.2×
  36. 37Lat KrabangBangkok, Thailand
    1564.2×
  37. 38ValjevoCentral Serbia, Serbia
    1554.1×
  38. 39Saphan SungBangkok, Thailand
    1554.1×
  39. 40Mueang NonthaburiNonthaburi, Thailand
    1554.1×
  40. 41KragujevacCentral Serbia, Serbia
    1554.1×
  41. 41Ban Khlong PrawetBangkok, Thailand
    1554.1×
  42. 43BangkokBangkok, Thailand
    1554.0×
  43. 44Ban Samae DamBangkok, Thailand
    1544.0×
  44. 44Hawthornelow-cost sensorsCalifornia, United States
    1544.0×
  45. 46Nong ChokBangkok, Thailand
    1544.0×
  46. 47Torrancelow-cost sensorsCalifornia, United States
    1544.0×
  47. 48Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1523.8×
  48. 49ShanghaiShanghai, China
    1523.8×
  49. 50Cluj-NapocaCluj County, Romania
    1523.8×
  50. 51Dimitrovgradlow-cost sensorsHaskovo, Bulgaria
    1523.8×
  51. 52GuangzhouGuangdong, China
    1513.7×
  52. 53Haskovolow-cost sensorsHaskovo, Bulgaria
    1473.6×
  53. 54KraljevoCentral Serbia, Serbia
    1403.4×
  54. 55SarajevoFederation of B&H, Bosnia and Herzegovina
    1383.4×
  55. 56ComptonCalifornia, United States
    1343.3×
  56. 57CraiovaDolj, Romania
    1293.1×
  57. 58YangonYangon, Myanmar
    1273.1×
  58. 59Carsonlow-cost sensorsCalifornia, United States
    1263.0×
  59. 60LampangLampang, Thailand
    1182.8×
  60. 61Tuen MunTuen Mun, Hong Kong
    1162.8×
  61. 62Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    1152.7×
  62. 63SofiaSofia-Capital, Bulgaria
    1092.6×
  63. 64ZgierzŁódź Voivodeship, Poland
    1082.6×
  64. 65NogalesSonora, Mexico
    1072.5×
  65. 66FengshanTakao, Taiwan
    1062.5×
  66. 66Tin Shui WaiYuen Long, Hong Kong
    1062.5×
  67. 68SmederevoCentral Serbia, Serbia
    1052.5×
  68. 69Dubailow-cost sensorsDubai, United Arab Emirates
    1042.5×
  69. 70San Tung Chung HangIslands, Hong Kong
    1032.4×
  70. 71Wan ChaiWan Chai, Hong Kong
    1022.4×
  71. 71Tai PoTai Po, Hong Kong
    1022.4×
  72. 73ZemunCentral Serbia, Serbia
    1012.4×
  73. 73Mong KokYau Tsim Mong District, Hong Kong
    1012.4×
  74. 75BakuBaki, Azerbaijan
    1002.4×
  75. 76KigaliKigali, Rwanda
    1002.3×
  76. 77ChaozhouTaiwan, Taiwan
    992.3×
  77. 77Tsuen WanTsuen Wan, Hong Kong
    992.3×
  78. 79TucsonArizona, United States
    992.3×
  79. 79BadgerAlaska, United States
    992.3×
  80. 81ObrenovacCentral Serbia, Serbia
    992.3×
  81. 82Kwai ChungKwai Tsing District, Hong Kong
    982.3×
  82. 82Casa GrandeArizona, United States
    982.3×
  83. 84LazarevacCentral Serbia, Serbia
    972.3×
  84. 85Accralow-cost sensorsGreater Accra, Ghana
    962.2×
  85. 86KaohsiungTakao, Taiwan
    962.2×
  86. 87ThessaloníkiCentral Macedonia, Greece
    962.2×
  87. 87Skarżysko-KamiennaŚwiętokrzyskie, Poland
    962.2×
  88. 89DhahranEastern Province, Saudi Arabia
    952.2×
  89. 90FutogVojvodina, Serbia
    932.1×
  90. 90Banja LukaSrpska, Bosnia and Herzegovina
    932.1×
  91. 92FanlingNorth District, Hong Kong
    932.1×
  92. 93Sevlievolow-cost sensorsGabrovo, Bulgaria
    932.1×
  93. 94Sorel-TracyQuebec, Canada
    932.1×
  94. 95Sham Shui PoSham Shui Po District, Hong Kong
    922.1×
  95. 96Novi SadVojvodina, Serbia
    922.1×
  96. 97RuseRuse, Bulgaria
    912.0×
  97. 98Naucalpan de JuárezMéxico, Mexico
    912.0×
  98. 99PančevoVojvodina, Serbia
    902.0×
  99. 100Lomitalow-cost sensorsCalifornia, United States
    902.0×
  100. 102Medina Estateslow-cost sensorsGreater Accra, Ghana
    892.0×
  101. 103IaşiIași County, Romania
    881.9×
  102. 103VictoriaCentral and Western, Hong Kong
    881.9×
  103. 105YumaArizona, United States
    881.9×
  104. 106AntananarivoAnalamanga, Madagascar
    881.9×
  105. 107BucharestBucharest, Romania
    861.9×
  106. 108Sha TinSha Tin, Hong Kong
    861.9×
  107. 109Green ValleyArizona, United States
    851.8×
  108. 110JinchengFukien, Taiwan
    851.8×
  109. 111Molina de SeguraMurcia, Spain
    841.8×
  110. 111NogalesArizona, United States
    841.8×
  111. 113AmmanAmman, Jordan
    841.8×
  112. 114Sau Mau PingKwun Tong District, Hong Kong
    831.8×
  113. 115ChiguayanteBiobio, Chile
    831.7×
  114. 116KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    831.7×
  115. 117DublinLeinster, Ireland
    821.7×
  116. 118NacimientoBiobio, Chile
    821.7×
  117. 119ZhushanTaiwan, Taiwan
    821.7×
  118. 120AugustówPodlasie, Poland
    811.7×
  119. 121BelgradeCentral Serbia, Serbia
    811.7×
  120. 122PylaíaCentral Macedonia, Greece
    801.7×
  121. 123FresnoCalifornia, United States
    801.6×
  122. 124VisaliaCalifornia, United States
    801.6×
  123. 125Ecatepec de MorelosMéxico, Mexico
    801.6×
  124. 126Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    791.6×
  125. 127PiraeusAttica, Greece
    791.6×
  126. 128KristiansandAgder, Norway
    781.6×
  127. 129LučenecBanská Bystrica Region, Slovakia
    781.6×
  128. 130SremčicaCentral Serbia, Serbia
    781.6×
  129. 130RužomberokŽilina Region, Slovakia
    781.6×
  130. 132Addis AbabaAddis Ababa, Ethiopia
    781.6×
  131. 133PubalGyeonggi-do, South Korea
    771.6×
  132. 134ColomboWestern Province, Sri Lanka
    771.5×
  133. 134DouliuTaiwan, Taiwan
    771.5×
  134. 136KoperUrban Municipality of Koper, Slovenia
    771.5×
  135. 137Chiayi CityTaiwan, Taiwan
    771.5×
  136. 138Istanbullow-cost sensorsIstanbul, Turkey
    761.5×
  137. 139MaranaArizona, United States
    761.5×
  138. 140Casas AdobesArizona, United States
    751.5×
  139. 141Birminghamlow-cost sensorsEngland, United Kingdom
    751.5×
  140. 142YongkangTaiwan, Taiwan
    751.5×
  141. 143TainanTaiwan, Taiwan
    751.5×
  142. 144Ciudad NezahualcoyotlMéxico, Mexico
    741.4×
  143. 144Puente AltoSantiago Metropolitan, Chile
    741.4×
  144. 146XinyingTaiwan, Taiwan
    741.4×
  145. 147WŏnjuGangwon-do, South Korea
    731.4×
  146. 147Asunciónlow-cost sensorsAsuncion, Paraguay
    731.4×
  147. 149Quezon Citylow-cost sensorsNational Capital Region, Philippines
    731.4×
  148. 149GumiGyeongsangbuk-do, South Korea
    731.4×
  149. 151Long BeachCalifornia, United States
    721.4×
  150. 152SalorTashkent Region, Uzbekistan
    721.4×
  151. 153Žiar nad HronomBanská Bystrica Region, Slovakia
    721.4×
  152. 153Banská BystricaBanská Bystrica Region, Slovakia
    721.4×
  153. 153KranjUrban Municipality of Kranj, Slovenia
    721.4×
  154. 153Mexico CityMexico City, Mexico
    721.4×
  155. 157MercedCalifornia, United States
    721.3×
  156. 158SantiagoSantiago Metropolitan, Chile
    711.3×
  157. 159HanfordCalifornia, United States
    711.3×
  158. 160AlgiersAlgiers, Algeria
    711.3×
  159. 160FairbanksAlaska, United States
    711.3×
  160. 162JeddahMecca Region, Saudi Arabia
    711.3×
  161. 162OtwockMazovia, Poland
    711.3×
  162. 164TaibaoTaiwan, Taiwan
    711.3×
  163. 164PortervilleCalifornia, United States
    711.3×
  164. 166PrzemyślSubcarpathia, Poland
    711.3×
  165. 166JarosławSubcarpathia, Poland
    711.3×
  166. 166NantouTaiwan, Taiwan
    711.3×
  167. 166ErlunTaiwan, Taiwan
    711.3×
  168. 166DěčínÚstí nad Labem Region, Czechia
    711.3×
  169. 166BergenVestland, Norway
    711.3×
  170. 166AntofagastaAntofagasta, Chile
    711.3×
  171. 173ĆuprijaCentral Serbia, Serbia
    701.3×
  172. 173ClovisCalifornia, United States
    701.3×
  173. 175YeongjuGyeongsangbuk-do, South Korea
    701.3×
  174. 176PristinaPristina, Kosovo
    701.3×
  175. 176Silao de la VictoriaGuanajuato, Mexico
    701.3×
  176. 178León de los AldamaGuanajuato, Mexico
    701.3×
  177. 179ChungjuNorth Chungcheong, South Korea
    691.3×
  178. 179CorkMunster, Ireland
    691.3×
  179. 181PrievidzaTrenčín Region, Slovakia
    691.3×
  180. 182OpoleOpole Voivodeship, Poland
    691.2×
  181. 182CalamaAntofagasta, Chile
    691.2×
  182. 182Columbialow-cost sensorsMissouri, United States
    691.2×
  183. 185SeogwipoJeju-do, South Korea
    691.2×
  184. 186Goyang-siGyeonggi-do, South Korea
    681.2×
  185. 186PezinokBratislava Region, Slovakia
    681.2×
  186. 186TocopillaAntofagasta, Chile
    681.2×
  187. 189YuanlinTaiwan, Taiwan
    681.2×
  188. 189ConcónValparaiso, Chile
    681.2×
  189. 191SeonghwanChungcheongnam-do, South Korea
    681.2×
  190. 191San CarlosÑuble, Chile
    681.2×
  191. 191AricaArica y Parinacota Region, Chile
    681.2×
  192. 194PartizánskeTrenčín Region, Slovakia
    681.2×
  193. 195KoesanNorth Chungcheong, South Korea
    681.2×
  194. 195BailénAndalusia, Spain
    681.2×
  195. 197JungpyongNorth Chungcheong, South Korea
    671.2×
  196. 197HwadoGyeonggi-do, South Korea
    671.2×
  197. 197KrotoszynGreater Poland, Poland
    671.2×
  198. 197MaderaCalifornia, United States
    671.2×

Top 200 of 2,278 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, January 8, 2025, smogrank.com/history/2025-01-08 (accessed 2 Oct 2026).

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