SmogRank / History / January 16, 2023

Most polluted cities on January 16, 2023

1,538 cities ranked by their average PM2.5 over the day; the worst was Gómez Palacio, Mexico, at 985.0 µg/m³. Each city's own local calendar day.

OpenAQ's archive, where our readings come from, has almost none for this day. Cities in the United States and Europe have it from the EPA's and the European Environment Agency's own records of the same monitors; many cities elsewhere are missing from this board, not clean. Why.

← Gómez Palacio 985.0 µg/m³ 900 µg/m³15 WHO 24-hour guideline
Every city ranked for January 16, 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. 1Gómez PalacioDurango, Mexico
    500+65.7×
  2. 2Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    500+23.1×
  3. 3SalorTashkent Region, Uzbekistan
    22710.1×
  4. 4Lahorelow-cost sensorsPunjab, Pakistan
    22510.0×
  5. 5DushanbeDushanbe, Tajikistan
    2229.8×
  6. 6DelhiDelhi, India
    2018.4×
  7. 7StrumicaStrumica, North Macedonia
    1998.3×
  8. 8Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1877.1×
  9. 9BaghdadBaghdad, Iraq
    1867.0×
  10. 10MumbaiMaharashtra, India
    1816.5×
  11. 11Hacienda Santa FeJalisco, Mexico
    1776.2×
  12. 12TetovoTetovo, North Macedonia
    1745.9×
  13. 13Islamabadlow-cost sensorsIslamabad, Pakistan
    1745.9×
  14. 14Karachilow-cost sensorsSindh, Pakistan
    1715.6×
  15. 15N'DjamenaN’Djaména, Chad
    1715.6×
  16. 16TolucaMéxico, Mexico
    1675.2×
  17. 17PrilepPrilep, North Macedonia
    1665.1×
  18. 18GostivarGostivar, North Macedonia
    1655.0×
  19. 19Kathmandulow-cost sensorsBagmati Province, Nepal
    1655.0×
  20. 20GevgelijaGevgelija, North Macedonia
    1655.0×
  21. 21SkopjeGrad Skopje, North Macedonia
    1624.8×
  22. 22Banja LukaSrpska, Bosnia and Herzegovina
    1614.6×
  23. 23Kampalalow-cost sensorsCentral Region, Uganda
    1594.5×
  24. 24Abujalow-cost sensorsFCT, Nigeria
    1584.3×
  25. 25AshgabatAshgabat, Turkmenistan
    1564.2×
  26. 26Accralow-cost sensorsGreater Accra, Ghana
    1554.1×
  27. 27KigaliKigali, Rwanda
    1523.8×
  28. 28AlexandriaAlexandria, Egypt
    1523.8×
  29. 29Sevlievolow-cost sensorsGabrovo, Bulgaria
    1493.7×
  30. 30Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1443.5×
  31. 31San Francisco TlalcilalcalpanMéxico, Mexico
    1393.4×
  32. 32KorçëKorçë County, Albania
    1343.3×
  33. 33KavadarciKavadarci, North Macedonia
    1303.1×
  34. 34BakuBaki, Azerbaijan
    1303.1×
  35. 35CholulaPuebla, Mexico
    1233.0×
  36. 36Ecatepec de MorelosMéxico, Mexico
    1233.0×
  37. 37San Mateo AtencoMéxico, Mexico
    1212.9×
  38. 38IlindenIlinden, North Macedonia
    1192.9×
  39. 39Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    1162.8×
  40. 40ConakryConakry, Guinea
    1162.8×
  41. 41KochaniKochani, North Macedonia
    1142.7×
  42. 42Ciudad Benito JuárezNuevo León, Mexico
    1142.7×
  43. 43TlaquepaqueJalisco, Mexico
    1122.7×
  44. 44PristinaPristina, Kosovo
    1092.6×
  45. 45PejëPec, Kosovo
    1082.6×
  46. 46BamakoBamako, Mali
    1062.5×
  47. 47Ciudad NezahualcoyotlMéxico, Mexico
    1052.5×
  48. 48VoluntariIlfov, Romania
    1042.5×
  49. 49VelesVeles, North Macedonia
    1022.4×
  50. 50BitolaBitola, North Macedonia
    992.3×
  51. 51Naucalpan de JuárezMéxico, Mexico
    992.3×
  52. 52San Salvador TizatlalliMéxico, Mexico
    982.3×
  53. 53XonacatlánMéxico, Mexico
    962.2×
  54. 54PueblaPuebla, Mexico
    952.2×
  55. 55Zacatepec de HidalgoMorelos, Mexico
    952.2×
  56. 56MitrovicëMitrovica, Kosovo
    952.2×
  57. 57Mexico CityMexico City, Mexico
    932.1×
  58. 58BadgerAlaska, United States
    932.1×
  59. 59GuadalajaraJalisco, Mexico
    932.1×
  60. 60OhridOhrid, North Macedonia
    932.1×
  61. 61BucharestBucharest, Romania
    922.1×
  62. 62BufteaIlfov, Romania
    922.1×
  63. 63Cluj-NapocaCluj County, Romania
    902.0×
  64. 63GjilanGjilan, Kosovo
    902.0×
  65. 65Dimitrovgradlow-cost sensorsHaskovo, Bulgaria
    902.0×
  66. 66Grande PrairieAlberta, Canada
    892.0×
  67. 67ColomboWestern Province, Sri Lanka
    881.9×
  68. 68Ciudad ApodacaNuevo León, Mexico
    881.9×
  69. 69Popeşti-LeordeniIlfov, Romania
    871.9×
  70. 70Haskovolow-cost sensorsHaskovo, Bulgaria
    861.9×
  71. 71TurinPiedmont, Italy
    861.8×
  72. 72AthensAttica, Greece
    851.8×
  73. 73VeracruzVeracruz, Mexico
    851.8×
  74. 73RancaguaO'Higgins Region, Chile
    851.8×
  75. 75ZapopanJalisco, Mexico
    851.8×
  76. 76ThessaloníkiCentral Macedonia, Greece
    851.8×
  77. 77SantiagoSantiago Metropolitan, Chile
    841.8×
  78. 78CauquenesMaule Region, Chile
    821.7×
  79. 79Pachuca de SotoHidalgo, Mexico
    821.7×
  80. 80CodleaBrașov County, Romania
    811.7×
  81. 80CelayaGuanajuato, Mexico
    811.7×
  82. 82MostarFederation of B&H, Bosnia and Herzegovina
    811.7×
  83. 83Puente AltoSantiago Metropolitan, Chile
    801.7×
  84. 84TalaganteSantiago Metropolitan, Chile
    801.7×
  85. 85AlbanyGeorgia, United States
    791.6×
  86. 86QuillotaValparaiso, Chile
    791.6×
  87. 87MexicaliBaja California, Mexico
    791.6×
  88. 88ChaniáCrete, Greece
    781.6×
  89. 89Viña del MarValparaiso, Chile
    781.6×
  90. 90CuernavacaMorelos, Mexico
    771.6×
  91. 91AricaArica y Parinacota Region, Chile
    771.5×
  92. 91Fort LauderdaleFlorida, United States
    771.5×
  93. 93Cadereyta JiménezNuevo León, Mexico
    771.5×
  94. 94AsprópyrgosAttica, Greece
    771.5×
  95. 94HualpénBiobio, Chile
    771.5×
  96. 96RacibórzSilesia, Poland
    771.5×
  97. 97QuinteroValparaiso, Chile
    761.5×
  98. 97Santa CatarinaNuevo León, Mexico
    761.5×
  99. 99SavonaLiguria, Italy
    761.5×
  100. 100JesiThe Marches, Italy
    761.5×
  101. 101MinatitlánVeracruz, Mexico
    751.5×
  102. 102BelgradeCentral Serbia, Serbia
    741.4×
  103. 102CuranilahueBiobio, Chile
    741.4×
  104. 102ConcónValparaiso, Chile
    741.4×
  105. 102SaguenayQuebec, Canada
    741.4×
  106. 106LiberpolisCounty of Osijek-Baranja, Croatia
    741.4×
  107. 107IrákleionCrete, Greece
    741.4×
  108. 107West FargoNorth Dakota, United States
    741.4×
  109. 109ToméBiobio, Chile
    731.4×
  110. 109PittsburghPennsylvania, United States
    731.4×
  111. 111MonterreyNuevo León, Mexico
    731.4×
  112. 112Nakło nad NoteciąKujawsko-Pomorskie, Poland
    731.4×
  113. 112San CarlosÑuble, Chile
    731.4×
  114. 114CuautlaMorelos, Mexico
    721.4×
  115. 115RengoO'Higgins Region, Chile
    721.4×
  116. 116CoatzacoalcosVeracruz, Mexico
    721.4×
  117. 117MariglianoCampania, Italy
    721.4×
  118. 118PátraWest Greece, Greece
    721.3×
  119. 118CeljeUrban Municipality of Celje, Slovenia
    721.3×
  120. 120RadomMazovia, Poland
    711.3×
  121. 120OtwockMazovia, Poland
    711.3×
  122. 120PesaroThe Marches, Italy
    711.3×
  123. 123CoronelBiobio, Chile
    711.3×
  124. 124LublinLublin, Poland
    711.3×
  125. 124JohnstownPennsylvania, United States
    711.3×
  126. 126Kosovo PoljePristina, Kosovo
    711.3×
  127. 126SavannahGeorgia, United States
    711.3×
  128. 128CoquimboCoquimbo Region, Chile
    711.3×
  129. 128ValdostaGeorgia, United States
    711.3×
  130. 130BolzanoTrentino-Alto Adige, Italy
    701.3×
  131. 130NacimientoBiobio, Chile
    701.3×
  132. 130Warner RobinsGeorgia, United States
    701.3×
  133. 130East RidgeTennessee, United States
    701.3×
  134. 134RedfordMichigan, United States
    701.3×
  135. 134San Pedro de la PazBiobio, Chile
    701.3×
  136. 136FairbanksAlaska, United States
    701.3×
  137. 137TalcahuanoBiobio, Chile
    691.3×
  138. 138La SerenaCoquimbo Region, Chile
    691.3×
  139. 139LinaresMaule Region, Chile
    691.3×
  140. 139GarcíaNuevo León, Mexico
    691.3×
  141. 139AbasoloGuanajuato, Mexico
    691.3×
  142. 142NairobiNairobi County, Kenya
    691.2×
  143. 142KaliszGreater Poland, Poland
    691.2×
  144. 142Tepeji del Río de OcampoHidalgo, Mexico
    691.2×
  145. 142León de los AldamaGuanajuato, Mexico
    691.2×
  146. 146TalcaMaule Region, Chile
    691.2×
  147. 146IrapuatoGuanajuato, Mexico
    691.2×
  148. 148Puerto VarasLos Lagos Region, Chile
    691.2×
  149. 148ConcepciónBiobio, Chile
    691.2×
  150. 148SteubenvilleOhio, United States
    691.2×
  151. 151LegionowoMazovia, Poland
    681.2×
  152. 151KatowiceSilesia, Poland
    681.2×
  153. 153KrapkowiceOpole Voivodeship, Poland
    681.2×
  154. 154McKeesportPennsylvania, United States
    681.2×
  155. 154West MifflinPennsylvania, United States
    681.2×
  156. 156ChisinauChișinău Municipality, Moldova
    681.2×
  157. 156AugustaGeorgia, United States
    681.2×
  158. 158Novo MestoUrban Municipality of Novo Mesto, Slovenia
    671.2×
  159. 158AntofagastaAntofagasta, Chile
    671.2×
  160. 160MonacoMunicipality of Monaco, Monaco
    671.2×
  161. 160Banská BystricaBanská Bystrica Region, Slovakia
    671.2×
  162. 160Jastrzębie ZdrójSilesia, Poland
    671.2×
  163. 160GdyniaPomerania, Poland
    671.2×
  164. 160LexingtonNorth Carolina, United States
    671.2×
  165. 165PrzemyślSubcarpathia, Poland
    671.2×
  166. 165Bielsko-BialaSilesia, Poland
    671.2×
  167. 165YoungstownOhio, United States
    671.2×
  168. 168LęborkPomerania, Poland
    671.2×
  169. 168ClevelandOhio, United States
    671.2×
  170. 170ChiguayanteBiobio, Chile
    671.2×
  171. 171TrebišovKošice Region, Slovakia
    661.2×
  172. 172TocopillaAntofagasta, Chile
    661.2×
  173. 172Los ÁngelesBiobio, Chile
    661.2×
  174. 172CopiapóAtacama, Chile
    661.2×
  175. 175TrbovljeMunicipality of Trbovlje, Slovenia
    661.1×
  176. 175CalamaAntofagasta, Chile
    661.1×
  177. 177HualquiBiobio, Chile
    661.1×
  178. 178WawerMazovia, Poland
    661.1×
  179. 178RužomberokŽilina Region, Slovakia
    661.1×
  180. 178GenoaLiguria, Italy
    661.1×
  181. 181PiraeusAttica, Greece
    651.1×
  182. 182MartinŽilina Region, Slovakia
    651.1×
  183. 183KhartoumKhartoum, Sudan
    651.1×
  184. 183WłocławekKujawsko-Pomorskie, Poland
    651.1×
  185. 183Seven OaksSouth Carolina, United States
    651.1×
  186. 186StarachowiceŚwiętokrzyskie, Poland
    651.1×
  187. 187SiedlceMazovia, Poland
    641.1×
  188. 188KozániWest Macedonia, Greece
    641.1×
  189. 188RzeszówSubcarpathia, Poland
    641.1×
  190. 188ŁukówLublin, Poland
    641.1×
  191. 191KoprivnicaKoprivnica-Križevci, Croatia
    641.1×
  192. 191SpartanburgSouth Carolina, United States
    641.1×
  193. 193CartagenaMurcia, Spain
    641.1×
  194. 194MeylanAuvergne-Rhône-Alpes, France
    631.1×
  195. 195LučenecBanská Bystrica Region, Slovakia
    631.0×
  196. 195CalpulalpanTlaxcala, Mexico
    631.0×
  197. 195AirdrieAlberta, Canada
    631.0×
  198. 198KošiceKošice Region, Slovakia
    631.0×
  199. 198Valley StationKentucky, United States
    631.0×
  200. 200CraiovaDolj, Romania
    631.0×

Top 200 of 1,538 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

Use this board

SmogRank, most polluted cities, PM2.5, January 16, 2023, smogrank.com/history/2023-01-16 (accessed 2 Oct 2026).

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.