SmogRank / History / January 22, 2024

Most polluted cities on January 22, 2024

2,051 cities ranked by their average PM2.5 over the day; the worst was Peshawar, Pakistan, at 354.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during January 22, 2024. All episodes.

← Peshawar 354.0 µg/m³ 300 µg/m³15 WHO 24-hour guideline
Every city ranked for January 22, 2024, 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. 1Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    500+23.6×
  2. 2Dhakalow-cost sensorsDhaka Division, Bangladesh
    32215.7×
  3. 3Lahorelow-cost sensorsPunjab, Pakistan
    30415.1×
  4. 4DelhiDelhi, India
    30015.0×
  5. 5KolkataWest Bengal, India
    29814.9×
  6. 6Islamabadlow-cost sensorsIslamabad, Pakistan
    26512.7×
  7. 7PljevljaPljevlja, Montenegro
    24911.6×
  8. 8SarajevoFederation of B&H, Bosnia and Herzegovina
    24311.2×
  9. 9Ulan BatorUlaanbaatar, Mongolia
    23210.5×
  10. 10Banja LukaSrpska, Bosnia and Herzegovina
    2129.1×
  11. 11N'DjamenaN’Djaména, Chad
    2088.9×
  12. 12Ga-RankuwaNorth West, South Africa
    2018.4×
  13. 13PristinaPristina, Kosovo
    1786.3×
  14. 14KavadarciKavadarci, North Macedonia
    1786.2×
  15. 15BitolaBitola, North Macedonia
    1776.2×
  16. 16SalamancaCastille and León, Spain
    1766.1×
  17. 17IlindenIlinden, North Macedonia
    1756.0×
  18. 18MumbaiMaharashtra, India
    1756.0×
  19. 19Abujalow-cost sensorsFCT, Nigeria
    1745.9×
  20. 20Karachilow-cost sensorsSindh, Pakistan
    1725.7×
  21. 21Almatylow-cost sensorsAlmaty, Kazakhstan
    1715.6×
  22. 22KigaliKigali, Rwanda
    1705.5×
  23. 23TetovoTetovo, North Macedonia
    1665.1×
  24. 24LazarevacCentral Serbia, Serbia
    1665.1×
  25. 25NišCentral Serbia, Serbia
    1655.1×
  26. 25SalorTashkent Region, Uzbekistan
    1655.1×
  27. 27CairoCairo, Egypt
    1614.7×
  28. 28Kathmandulow-cost sensorsBagmati Province, Nepal
    1594.4×
  29. 29AranyaprathetSa Kaeo, Thailand
    1584.4×
  30. 30TepliceÚstí nad Labem Region, Czechia
    1584.3×
  31. 31MostÚstí nad Labem Region, Czechia
    1574.3×
  32. 32Si Maha PhotPrachin Buri, Thailand
    1574.3×
  33. 33VelesVeles, North Macedonia
    1574.3×
  34. 34PodgoricaPodgorica, Montenegro
    1554.1×
  35. 35DejCluj County, Romania
    1554.1×
  36. 36ChaiyaphumChaiyaphum, Thailand
    1533.9×
  37. 37SkopjeGrad Skopje, North Macedonia
    1523.8×
  38. 38LitvínovÚstí nad Labem Region, Czechia
    1523.8×
  39. 39MiskolcBorsod-Abaúj-Zemplén, Hungary
    1523.8×
  40. 40Buri RamBuriram, Thailand
    1513.7×
  41. 41PančevoVojvodina, Serbia
    1463.6×
  42. 42Khlong LuangPathum Thani, Thailand
    1453.6×
  43. 43YangonYangon, Myanmar
    1453.5×
  44. 43SurinSurin, Thailand
    1453.5×
  45. 45Lop BuriLopburi, Thailand
    1413.4×
  46. 46Khlong Sam WaBangkok, Thailand
    1403.4×
  47. 47Chai NatChai Nat, Thailand
    1403.4×
  48. 48LampangLampang, Thailand
    1393.4×
  49. 49Sing BuriSing Buri, Thailand
    1393.4×
  50. 50SofiaSofia-Capital, Bulgaria
    1383.4×
  51. 50Nakhon RatchasimaNakhon Ratchasima, Thailand
    1383.4×
  52. 52ObrenovacCentral Serbia, Serbia
    1323.2×
  53. 53KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    1313.2×
  54. 54Lak SiBangkok, Thailand
    1313.2×
  55. 55PhetchabunPhetchabun, Thailand
    1293.1×
  56. 56Nong ChokBangkok, Thailand
    1293.1×
  57. 57CallaoCallao, Peru
    1283.1×
  58. 58Nong KhaemBangkok, Thailand
    1283.1×
  59. 59BelgradeCentral Serbia, Serbia
    1273.1×
  60. 59Lat KrabangBangkok, Thailand
    1273.1×
  61. 61Cluj-NapocaCluj County, Romania
    1273.1×
  62. 61SukhothaiSukhothai, Thailand
    1273.1×
  63. 61HyderabadTelangana, India
    1273.1×
  64. 64Ubon RatchathaniUbon Ratchathani, Thailand
    1263.0×
  65. 65Bang Khun ThianBangkok, Thailand
    1253.0×
  66. 66Khan Na YaoBangkok, Thailand
    1243.0×
  67. 67Suphan BuriSuphan Buri, Thailand
    1243.0×
  68. 68SaraburiSaraburi, Thailand
    1222.9×
  69. 69Bang NaBangkok, Thailand
    1212.9×
  70. 70Ban Samae DamBangkok, Thailand
    1202.9×
  71. 71DushanbeDushanbe, Tajikistan
    1202.9×
  72. 72Mae SotTak, Thailand
    1192.9×
  73. 73Vranov nad TopľouPrešov Region, Slovakia
    1172.8×
  74. 74Bueng KumBangkok, Thailand
    1172.8×
  75. 75CapannoriTuscany, Italy
    1162.8×
  76. 76ZemunCentral Serbia, Serbia
    1162.8×
  77. 76RatchaburiRatchaburi, Thailand
    1162.8×
  78. 78TratTrat, Thailand
    1162.8×
  79. 78CalgaryAlberta, Canada
    1162.8×
  80. 80PhraePhrae, Thailand
    1162.8×
  81. 81Samut SakhonSamut Sakhon, Thailand
    1152.8×
  82. 82Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1152.7×
  83. 82TurinPiedmont, Italy
    1152.7×
  84. 84BerounCentral Bohemia, Czechia
    1142.7×
  85. 85Nakhon SawanNakhon Sawan, Thailand
    1142.7×
  86. 85AlessandriaPiedmont, Italy
    1142.7×
  87. 87Saphan SungBangkok, Thailand
    1142.7×
  88. 88Haskovolow-cost sensorsHaskovo, Bulgaria
    1122.7×
  89. 89KošiceKošice Region, Slovakia
    1112.6×
  90. 90Sai MaiBangkok, Thailand
    1102.6×
  91. 91FayettevilleNorth Carolina, United States
    1102.6×
  92. 92JeddahMecca Region, Saudi Arabia
    1092.6×
  93. 92Mueang NonthaburiNonthaburi, Thailand
    1092.6×
  94. 94LimaLima Province, Peru
    1092.6×
  95. 95Nakhon PathomNakhon Pathom, Thailand
    1082.6×
  96. 95BangkokBangkok, Thailand
    1082.6×
  97. 97YasothonYasothon, Thailand
    1082.5×
  98. 97KalasinKalasin, Thailand
    1082.5×
  99. 99Bang KapiBangkok, Thailand
    1072.5×
  100. 99FairbanksAlaska, United States
    1072.5×
  101. 101NanNan, Thailand
    1072.5×
  102. 101Khon KaenKhon Kaen, Thailand
    1072.5×
  103. 103HumennéPrešov Region, Slovakia
    1062.5×
  104. 103Si Sa KetSi Sa Ket, Thailand
    1062.5×
  105. 105Santa Anita - Los FicusLima region, Peru
    1062.5×
  106. 106GrazStyria, Austria
    1062.5×
  107. 107KadaňÚstí nad Labem Region, Czechia
    1052.5×
  108. 108Ústí nad LabemÚstí nad Labem Region, Czechia
    1052.5×
  109. 109DziałdowoWarmia-Masuria, Poland
    1052.5×
  110. 110ZnojmoSouth Moravian, Czechia
    1042.5×
  111. 111Novi SadVojvodina, Serbia
    1042.4×
  112. 112Bang Bo DistrictSamut Prakan, Thailand
    1022.4×
  113. 113Phra PradaengSamut Prakan, Thailand
    1022.4×
  114. 113OlomoucOlomouc Region, Czechia
    1022.4×
  115. 115Ban Khlong PrawetBangkok, Thailand
    1012.4×
  116. 116Nakhon NayokNakhon Nayok, Thailand
    1002.4×
  117. 117PrešovPrešov Region, Slovakia
    1002.4×
  118. 118ManamaManama, Bahrain
    992.3×
  119. 119SzegedCsongrád, Hungary
    992.3×
  120. 120HualpénBiobio, Chile
    982.3×
  121. 121PhichitPhichit, Thailand
    972.3×
  122. 122PhayaoPhayao, Thailand
    972.3×
  123. 122Nong Bua LamphuNong Bua Lamphu, Thailand
    972.3×
  124. 124KrakówLesser Poland, Poland
    972.2×
  125. 125DěčínÚstí nad Labem Region, Czechia
    972.2×
  126. 126HelenaMontana, United States
    962.2×
  127. 127Şabāḩ as SālimMubārak al Kabīr, Kuwait
    962.2×
  128. 128DębicaSubcarpathia, Poland
    962.2×
  129. 129TrnavaTrnava Region, Slovakia
    952.2×
  130. 130KanchanaburiKanchanaburi, Thailand
    952.2×
  131. 130AmoraSetúbal, Portugal
    952.2×
  132. 130TraunUpper Austria, Austria
    952.2×
  133. 133Ban Talat BuengChon Buri, Thailand
    952.2×
  134. 133ManlleuCatalonia, Spain
    952.2×
  135. 135ChanthaburiChanthaburi, Thailand
    942.2×
  136. 136BratislavaBratislava Region, Slovakia
    942.1×
  137. 137LinzUpper Austria, Austria
    942.1×
  138. 137EsztergomKomárom-Esztergom, Hungary
    942.1×
  139. 139GrajewoPodlasie, Poland
    932.1×
  140. 140Gabrovolow-cost sensorsGabrovo, Bulgaria
    932.1×
  141. 141ChennaiTamil Nadu, India
    932.1×
  142. 142Sevlievolow-cost sensorsGabrovo, Bulgaria
    932.1×
  143. 142UttaraditUttaradit, Thailand
    932.1×
  144. 144TalcahuanoBiobio, Chile
    922.1×
  145. 145Samut PrakanSamut Prakan, Thailand
    922.1×
  146. 146MentonProvence-Alpes-Côte d'Azur, France
    912.1×
  147. 147SatunSatun, Thailand
    912.0×
  148. 148ColomboWestern Province, Sri Lanka
    912.0×
  149. 148Laem ChabangChon Buri, Thailand
    912.0×
  150. 148ZvolenBanská Bystrica Region, Slovakia
    912.0×
  151. 151LamphunLamphun, Thailand
    912.0×
  152. 151AvignonProvence-Alpes-Côte d'Azur, France
    912.0×
  153. 153Ban ChangRayong, Thailand
    902.0×
  154. 154LethbridgeAlberta, Canada
    902.0×
  155. 155VeszprémVeszprém, Hungary
    892.0×
  156. 156eMbalenhleMpumalanga, South Africa
    892.0×
  157. 157Roi EtRoi Et, Thailand
    881.9×
  158. 158ValdemoroMadrid, Spain
    881.9×
  159. 158BeneventoCampania, Italy
    881.9×
  160. 158SantiagoSantiago Metropolitan, Chile
    881.9×
  161. 161Skarżysko-KamiennaŚwiętokrzyskie, Poland
    881.9×
  162. 162ArlesProvence-Alpes-Côte d'Azur, France
    881.9×
  163. 163PécsBaranya, Hungary
    871.9×
  164. 164SremčicaCentral Serbia, Serbia
    871.9×
  165. 165AnsfeldenUpper Austria, Austria
    871.9×
  166. 166KochaniKochani, North Macedonia
    861.9×
  167. 166Viña del MarValparaiso, Chile
    861.9×
  168. 168Sankt PöltenLower Austria, Austria
    851.8×
  169. 168CelayaGuanajuato, Mexico
    851.8×
  170. 170RayongRayong, Thailand
    851.8×
  171. 170SenicaTrnava Region, Slovakia
    851.8×
  172. 172Klagenfurt am WörtherseeCarinthia, Austria
    851.8×
  173. 173KlosterneuburgLower Austria, Austria
    851.8×
  174. 173NitraNitra Region, Slovakia
    851.8×
  175. 175AirdrieAlberta, Canada
    851.8×
  176. 176GyálPest County, Hungary
    841.8×
  177. 176OurenseGalicia, Spain
    841.8×
  178. 178RengoO'Higgins Region, Chile
    841.8×
  179. 179KielceŚwiętokrzyskie, Poland
    841.8×
  180. 180Salon-de-ProvenceProvence-Alpes-Côte d'Azur, France
    831.8×
  181. 181Hua HinPrachuap Khiri Khan, Thailand
    831.8×
  182. 181WelsUpper Austria, Austria
    831.8×
  183. 181LeónCastille and León, Spain
    831.8×
  184. 184Amnat CharoenAmnat Charoen, Thailand
    831.7×
  185. 185GrenobleAuvergne-Rhône-Alpes, France
    831.7×
  186. 186ŁukówLublin, Poland
    821.7×
  187. 186ŽideniceSouth Moravian, Czechia
    821.7×
  188. 186CoronelBiobio, Chile
    821.7×
  189. 189GardanneProvence-Alpes-Côte d'Azur, France
    821.7×
  190. 190Puente AltoSantiago Metropolitan, Chile
    821.7×
  191. 190PendletonOregon, United States
    821.7×
  192. 192Surat ThaniSurat Thani, Thailand
    821.7×
  193. 192Wan ChaiWan Chai, Hong Kong
    821.7×
  194. 194StarachowiceŚwiętokrzyskie, Poland
    821.7×
  195. 194QuinteroValparaiso, Chile
    821.7×
  196. 196AnnecyAuvergne-Rhône-Alpes, France
    821.7×
  197. 196TalaganteSantiago Metropolitan, Chile
    821.7×
  198. 198Kamphaeng PhetKamphaeng Phet, Thailand
    811.7×
  199. 198SamaAsturias, Spain
    811.7×
  200. 200PerchtoldsdorfLower Austria, Austria
    811.7×

Top 200 of 2,051 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 22, 2024, smogrank.com/history/2024-01-22 (accessed 3 Oct 2026).

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