SmogRank / History / January 3, 2025

Most polluted cities on January 3, 2025

2,320 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 573.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during January 3, 2025. All episodes.

← Lahore 573.0 µg/m³ 500 µg/m³15 WHO 24-hour guideline
Every city ranked for January 3, 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. 1Lahorelow-cost sensorsPunjab, Pakistan
    500+38.2×
  2. 2DelhiDelhi, India
    38617.9×
  3. 3KolkataWest Bengal, India
    28013.7×
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    2159.3×
  5. 5N'DjamenaN’Djaména, Chad
    1967.9×
  6. 6Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1917.5×
  7. 7HanoiHanoi, Vietnam
    1846.9×
  8. 8Islamabadlow-cost sensorsIslamabad, Pakistan
    1816.5×
  9. 9Kathmandulow-cost sensorsBagmati Province, Nepal
    1786.3×
  10. 10Kampalalow-cost sensorsCentral Region, Uganda
    1725.7×
  11. 11SalorTashkent Region, Uzbekistan
    1705.6×
  12. 12ChennaiTamil Nadu, India
    1644.9×
  13. 13Almatylow-cost sensorsAlmaty, Kazakhstan
    1634.9×
  14. 14HyderabadTelangana, India
    1634.9×
  15. 15Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1624.7×
  16. 16MumbaiMaharashtra, India
    1604.5×
  17. 17DushanbeDushanbe, Tajikistan
    1584.3×
  18. 18PonferradaCastille and León, Spain
    1533.9×
  19. 19Santa Anita - Los FicusLima region, Peru
    1403.4×
  20. 20ThessaloníkiCentral Macedonia, Greece
    1403.4×
  21. 21Sevlievolow-cost sensorsGabrovo, Bulgaria
    1343.3×
  22. 22FairbanksAlaska, United States
    1343.3×
  23. 23Lak SiBangkok, Thailand
    1323.2×
  24. 24Yerevanlow-cost sensorsYerevan, Armenia
    1303.1×
  25. 25Haskovolow-cost sensorsHaskovo, Bulgaria
    1293.1×
  26. 26Khlong Sam WaBangkok, Thailand
    1273.1×
  27. 27KigaliKigali, Rwanda
    1263.1×
  28. 27ManlleuCatalonia, Spain
    1263.1×
  29. 27Santa CatarinaNuevo León, Mexico
    1263.1×
  30. 30Nong KhaemBangkok, Thailand
    1263.0×
  31. 30Lat KrabangBangkok, Thailand
    1263.0×
  32. 32BadgerAlaska, United States
    1253.0×
  33. 33Ciudad Benito JuárezNuevo León, Mexico
    1212.9×
  34. 34Bang KapiBangkok, Thailand
    1212.9×
  35. 35Khan Na YaoBangkok, Thailand
    1192.9×
  36. 36Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    1192.9×
  37. 37Bueng KumBangkok, Thailand
    1182.8×
  38. 38CodleaBrașov County, Romania
    1182.8×
  39. 39Dimitrovgradlow-cost sensorsHaskovo, Bulgaria
    1172.8×
  40. 40Nong ChokBangkok, Thailand
    1172.8×
  41. 41ColomboWestern Province, Sri Lanka
    1162.8×
  42. 42MonterreyNuevo León, Mexico
    1162.8×
  43. 43Ban Samae DamBangkok, Thailand
    1152.8×
  44. 44Saphan SungBangkok, Thailand
    1152.7×
  45. 45BangkokBangkok, Thailand
    1142.7×
  46. 46AthensAttica, Greece
    1142.7×
  47. 47Bang NaBangkok, Thailand
    1132.7×
  48. 48Mueang NonthaburiNonthaburi, Thailand
    1132.7×
  49. 49Ban Khlong PrawetBangkok, Thailand
    1122.7×
  50. 50HualpénBiobio, Chile
    1112.6×
  51. 51NacimientoBiobio, Chile
    1112.6×
  52. 52Sai MaiBangkok, Thailand
    1112.6×
  53. 53YangonYangon, Myanmar
    1102.6×
  54. 54Wan ChaiWan Chai, Hong Kong
    1092.6×
  55. 54Tuen MunTuen Mun, Hong Kong
    1092.6×
  56. 56Accralow-cost sensorsGreater Accra, Ghana
    1092.6×
  57. 57AcharnésAttica, Greece
    1082.6×
  58. 58CairoCairo, Egypt
    1072.5×
  59. 58DejCluj County, Romania
    1072.5×
  60. 58GuangzhouGuangdong, China
    1072.5×
  61. 61JeddahMecca Region, Saudi Arabia
    1072.5×
  62. 62ShanghaiShanghai, China
    1062.5×
  63. 63PiraeusAttica, Greece
    1052.5×
  64. 64Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    1032.4×
  65. 65ChiguayanteBiobio, Chile
    1002.4×
  66. 66MiskolcBorsod-Abaúj-Zemplén, Hungary
    992.3×
  67. 67Medina Estateslow-cost sensorsGreater Accra, Ghana
    982.3×
  68. 68Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    972.3×
  69. 69ShenyangLiaoning, China
    962.2×
  70. 70Mong KokYau Tsim Mong District, Hong Kong
    962.2×
  71. 71Tin Shui WaiYuen Long, Hong Kong
    952.2×
  72. 71TijuanaBaja California, Mexico
    952.2×
  73. 73CraiovaDolj, Romania
    952.2×
  74. 74San Tung Chung HangIslands, Hong Kong
    942.2×
  75. 74SevillaAndalusia, Spain
    942.2×
  76. 76Tai PoTai Po, Hong Kong
    942.1×
  77. 76BakersfieldCalifornia, United States
    942.1×
  78. 78Sau Mau PingKwun Tong District, Hong Kong
    942.1×
  79. 79Kwai ChungKwai Tsing District, Hong Kong
    932.1×
  80. 80Cadereyta JiménezNuevo León, Mexico
    922.1×
  81. 81Dubailow-cost sensorsDubai, United Arab Emirates
    922.1×
  82. 82Ciudad General EscobedoNuevo León, Mexico
    912.0×
  83. 83FanlingNorth District, Hong Kong
    912.0×
  84. 84Sham Shui PoSham Shui Po District, Hong Kong
    902.0×
  85. 84Naucalpan de JuárezMéxico, Mexico
    902.0×
  86. 86BakuBaki, Azerbaijan
    902.0×
  87. 87OurenseGalicia, Spain
    892.0×
  88. 87Jardines de la SillaNuevo León, Mexico
    892.0×
  89. 89Gabrovolow-cost sensorsGabrovo, Bulgaria
    892.0×
  90. 90RuseRuse, Bulgaria
    892.0×
  91. 91Tsuen WanTsuen Wan, Hong Kong
    881.9×
  92. 91Ciudad NezahualcoyotlMéxico, Mexico
    881.9×
  93. 93CorkMunster, Ireland
    881.9×
  94. 94Sha TinSha Tin, Hong Kong
    881.9×
  95. 94VictoriaCentral and Western, Hong Kong
    881.9×
  96. 96BaghdadBaghdad, Iraq
    861.9×
  97. 96RouenNormandy, France
    861.9×
  98. 98Florinlow-cost sensorsCalifornia, United States
    861.9×
  99. 99PátraWest Greece, Greece
    851.8×
  100. 99OrléansCentre-Val de Loire, France
    851.8×
  101. 101PúchovTrenčín Region, Slovakia
    851.8×
  102. 102LeónCastille and León, Spain
    851.8×
  103. 103PrievidzaTrenčín Region, Slovakia
    841.8×
  104. 103Zagreblow-cost sensorsZagreb, Croatia
    841.8×
  105. 105NyíregyházaSzabolcs-Szatmár-Bereg, Hungary
    841.8×
  106. 106San DiegoCalifornia, United States
    841.8×
  107. 107Alcalá de GuadairaAndalusia, Spain
    831.8×
  108. 108Istanbullow-cost sensorsIstanbul, Turkey
    831.8×
  109. 109Mexico CityMexico City, Mexico
    831.7×
  110. 110ChaozhouTaiwan, Taiwan
    821.7×
  111. 111AsprópyrgosAttica, Greece
    821.7×
  112. 112Los AngelesCalifornia, United States
    821.7×
  113. 113Sorel-TracyQuebec, Canada
    821.7×
  114. 114NogalesSonora, Mexico
    811.7×
  115. 115BihaćFederation of B&H, Bosnia and Herzegovina
    811.7×
  116. 116ČadcaŽilina Region, Slovakia
    811.7×
  117. 117Jurupa ValleyCalifornia, United States
    801.6×
  118. 118ZgierzŁódź Voivodeship, Poland
    801.6×
  119. 119Carsonlow-cost sensorsCalifornia, United States
    791.6×
  120. 120BeijingBeijing, China
    791.6×
  121. 120TocopillaAntofagasta, Chile
    791.6×
  122. 120AnchorageAlaska, United States
    791.6×
  123. 123BailénAndalusia, Spain
    781.6×
  124. 124DhahranEastern Province, Saudi Arabia
    781.6×
  125. 124Jacobo HunterArequipa, Peru
    781.6×
  126. 126TurlockCalifornia, United States
    781.6×
  127. 127FresnoCalifornia, United States
    771.6×
  128. 128HanfordCalifornia, United States
    771.5×
  129. 129NogalesArizona, United States
    771.5×
  130. 129San Pedro de la PazBiobio, Chile
    771.5×
  131. 131EsztergomKomárom-Esztergom, Hungary
    771.5×
  132. 132Puente AltoSantiago Metropolitan, Chile
    761.5×
  133. 133CarlowLeinster, Ireland
    761.5×
  134. 133CuranilahueBiobio, Chile
    761.5×
  135. 133Hawthornelow-cost sensorsCalifornia, United States
    761.5×
  136. 136QuillotaValparaiso, Chile
    761.5×
  137. 136AnaheimCalifornia, United States
    761.5×
  138. 138KošiceKošice Region, Slovakia
    761.5×
  139. 139IrapuatoGuanajuato, Mexico
    751.5×
  140. 140PhoenixArizona, United States
    751.5×
  141. 141ComptonCalifornia, United States
    751.5×
  142. 142Inglewoodlow-cost sensorsCalifornia, United States
    751.5×
  143. 143Long BeachCalifornia, United States
    751.5×
  144. 143Torrancelow-cost sensorsCalifornia, United States
    751.5×
  145. 145SantiagoSantiago Metropolitan, Chile
    741.4×
  146. 145CoronelBiobio, Chile
    741.4×
  147. 145MantecaCalifornia, United States
    741.4×
  148. 148Molina de SeguraMurcia, Spain
    741.4×
  149. 148ŽilinaŽilina Region, Slovakia
    741.4×
  150. 148GironaCatalonia, Spain
    741.4×
  151. 151BurbankCalifornia, United States
    741.4×
  152. 152QuinteroValparaiso, Chile
    741.4×
  153. 153CoulommiersÎle-de-France, France
    731.4×
  154. 153ModestoCalifornia, United States
    731.4×
  155. 155FengshanTakao, Taiwan
    731.4×
  156. 156OviedoAsturias, Spain
    731.4×
  157. 156Viña del MarValparaiso, Chile
    731.4×
  158. 158Cluj-NapocaCluj County, Romania
    731.4×
  159. 158Azuqueca de HenaresCastille-La Mancha, Spain
    731.4×
  160. 160TalaganteSantiago Metropolitan, Chile
    731.4×
  161. 160Chula VistaCalifornia, United States
    731.4×
  162. 162PartizánskeTrenčín Region, Slovakia
    721.4×
  163. 162Lomitalow-cost sensorsCalifornia, United States
    721.4×
  164. 164PrešovPrešov Region, Slovakia
    721.4×
  165. 164ToméBiobio, Chile
    721.4×
  166. 166KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    721.3×
  167. 166OlomoucOlomouc Region, Czechia
    721.3×
  168. 166TalcahuanoBiobio, Chile
    721.3×
  169. 166El CajonCalifornia, United States
    721.3×
  170. 170MurciaMurcia, Spain
    711.3×
  171. 170LouviersNormandy, France
    711.3×
  172. 170LimaLima Province, Peru
    711.3×
  173. 173JinchengFukien, Taiwan
    711.3×
  174. 173ConcónValparaiso, Chile
    711.3×
  175. 175Addis AbabaAddis Ababa, Ethiopia
    711.3×
  176. 175GumiGyeongsangbuk-do, South Korea
    711.3×
  177. 175AricaArica y Parinacota Region, Chile
    711.3×
  178. 178LleidaCatalonia, Spain
    711.3×
  179. 178CorcoranCalifornia, United States
    711.3×
  180. 178VisaliaCalifornia, United States
    711.3×
  181. 181LučenecBanská Bystrica Region, Slovakia
    711.3×
  182. 181FontanaCalifornia, United States
    711.3×
  183. 181SocorroTexas, United States
    711.3×
  184. 184JakartaJakarta, Indonesia
    701.3×
  185. 184HuelvaAndalusia, Spain
    701.3×
  186. 184ConcepciónBiobio, Chile
    701.3×
  187. 184CalamaAntofagasta, Chile
    701.3×
  188. 184AustinTexas, United States
    701.3×
  189. 189HandlováTrenčín Region, Slovakia
    701.3×
  190. 190KaohsiungTakao, Taiwan
    701.3×
  191. 190ZvolenBanská Bystrica Region, Slovakia
    701.3×
  192. 190CuricóMaule Region, Chile
    701.3×
  193. 193San CarlosÑuble, Chile
    701.3×
  194. 193RengoO'Higgins Region, Chile
    701.3×
  195. 193MaderaCalifornia, United States
    701.3×
  196. 196LinaresMaule Region, Chile
    691.3×
  197. 196DenverColorado, United States
    691.3×
  198. 198WaterfordMunster, Ireland
    691.3×
  199. 198Žiar nad HronomBanská Bystrica Region, Slovakia
    691.3×
  200. 198QuilpuéValparaiso, Chile
    691.3×

Top 200 of 2,320 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, January 3, 2025, smogrank.com/history/2025-01-03 (accessed 2 Oct 2026).

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