SmogRank / History / January 30, 2024

Most polluted cities on January 30, 2024

2,219 cities ranked by their average PM2.5 over the day; the worst was Dhaka, Bangladesh, at 309.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during January 30, 2024. All episodes.

← Dhaka 309.0 µg/m³ 300 µg/m³15 WHO 24-hour guideline
Every city ranked for January 30, 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. 1Dhakalow-cost sensorsDhaka Division, Bangladesh
    46720.6×
  2. 2N'DjamenaN’Djaména, Chad
    41618.9×
  3. 3DelhiDelhi, India
    40818.6×
  4. 4Ulan BatorUlaanbaatar, Mongolia
    2098.9×
  5. 5ShenyangLiaoning, China
    2038.5×
  6. 6Kathmandulow-cost sensorsBagmati Province, Nepal
    1998.3×
  7. 6Abujalow-cost sensorsFCT, Nigeria
    1998.3×
  8. 8Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1968.0×
  9. 9KolkataWest Bengal, India
    1937.7×
  10. 10Banja LukaSrpska, Bosnia and Herzegovina
    1877.1×
  11. 11BeijingBeijing, China
    1867.0×
  12. 12KourouGuyane, French Guiana
    1806.4×
  13. 13MumbaiMaharashtra, India
    1756.0×
  14. 14CayenneGuyane, French Guiana
    1745.9×
  15. 15HanoiHanoi, Vietnam
    1735.8×
  16. 16Islamabadlow-cost sensorsIslamabad, Pakistan
    1705.6×
  17. 17SmederevoCentral Serbia, Serbia
    1705.5×
  18. 18PljevljaPljevlja, Montenegro
    1695.4×
  19. 19GuangzhouGuangdong, China
    1695.4×
  20. 20DziałdowoWarmia-Masuria, Poland
    1685.3×
  21. 21SarajevoFederation of B&H, Bosnia and Herzegovina
    1634.8×
  22. 22Novi PazarCentral Serbia, Serbia
    1624.8×
  23. 23LazarevacCentral Serbia, Serbia
    1624.8×
  24. 24Kampalalow-cost sensorsCentral Region, Uganda
    1624.7×
  25. 25RatchaburiRatchaburi, Thailand
    1604.6×
  26. 26Czechowice-DziedziceSilesia, Poland
    1604.6×
  27. 27CapannoriTuscany, Italy
    1594.5×
  28. 28HyderabadTelangana, India
    1594.5×
  29. 29CodleaBrașov County, Romania
    1584.4×
  30. 30KoprivnicaKoprivnica-Križevci, Croatia
    1584.4×
  31. 31Nong KhaemBangkok, Thailand
    1574.3×
  32. 32AstanaAstana, Kazakhstan
    1574.2×
  33. 33Ban Samae DamBangkok, Thailand
    1564.2×
  34. 34KanchanaburiKanchanaburi, Thailand
    1564.2×
  35. 35DejCluj County, Romania
    1564.2×
  36. 35UžiceCentral Serbia, Serbia
    1564.2×
  37. 37KrakówLesser Poland, Poland
    1554.1×
  38. 38Samut SakhonSamut Sakhon, Thailand
    1554.0×
  39. 39Karachilow-cost sensorsSindh, Pakistan
    1544.0×
  40. 40SaronnoLombardy, Italy
    1543.9×
  41. 41KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    1533.9×
  42. 41Lat KrabangBangkok, Thailand
    1533.9×
  43. 43JakartaJakarta, Indonesia
    1533.9×
  44. 44Khlong LuangPathum Thani, Thailand
    1523.8×
  45. 45Khlong Sam WaBangkok, Thailand
    1523.8×
  46. 46Bang NaBangkok, Thailand
    1523.8×
  47. 47Mueang NonthaburiNonthaburi, Thailand
    1513.7×
  48. 48MilanLombardy, Italy
    1503.7×
  49. 49ObrenovacCentral Serbia, Serbia
    1493.7×
  50. 49DushanbeDushanbe, Tajikistan
    1493.7×
  51. 51LęborkPomerania, Poland
    1483.6×
  52. 52KościerzynaPomerania, Poland
    1483.6×
  53. 53BresciaLombardy, Italy
    1473.6×
  54. 54BangkokBangkok, Thailand
    1473.6×
  55. 55DalmineLombardy, Italy
    1453.6×
  56. 56Lak SiBangkok, Thailand
    1453.5×
  57. 57PhetchaburiPhetchaburi, Thailand
    1443.5×
  58. 58Bueng KumBangkok, Thailand
    1433.5×
  59. 59La OrotavaCanary Islands, Spain
    1413.5×
  60. 60Bang KapiBangkok, Thailand
    1403.4×
  61. 61Almatylow-cost sensorsAlmaty, Kazakhstan
    1403.4×
  62. 61Saphan SungBangkok, Thailand
    1403.4×
  63. 63Phra PradaengSamut Prakan, Thailand
    1383.4×
  64. 64Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1363.3×
  65. 65Ban Khlong PrawetBangkok, Thailand
    1353.3×
  66. 65Khan Na YaoBangkok, Thailand
    1353.3×
  67. 67Gorzów WielkopolskiLubusz, Poland
    1333.2×
  68. 68Nakhon PathomNakhon Pathom, Thailand
    1323.2×
  69. 69RužomberokŽilina Region, Slovakia
    1313.2×
  70. 70PuertollanoCastille-La Mancha, Spain
    1313.2×
  71. 71Santa Cruz de la PalmaCanary Islands, Spain
    1303.2×
  72. 72TratTrat, Thailand
    1303.1×
  73. 73ZemunCentral Serbia, Serbia
    1303.1×
  74. 74Suphan BuriSuphan Buri, Thailand
    1293.1×
  75. 74Samut PrakanSamut Prakan, Thailand
    1293.1×
  76. 76AranyaprathetSa Kaeo, Thailand
    1283.1×
  77. 77KošiceKošice Region, Slovakia
    1283.1×
  78. 78BelgradeCentral Serbia, Serbia
    1283.1×
  79. 79MiskolcBorsod-Abaúj-Zemplén, Hungary
    1263.1×
  80. 80Nong ChokBangkok, Thailand
    1263.0×
  81. 81Sai MaiBangkok, Thailand
    1263.0×
  82. 82ChennaiTamil Nadu, India
    1253.0×
  83. 83BraPiedmont, Italy
    1243.0×
  84. 84Santa Cruz de TenerifeCanary Islands, Spain
    1243.0×
  85. 85KigaliKigali, Rwanda
    1233.0×
  86. 85Ban ChangRayong, Thailand
    1233.0×
  87. 87Hua HinPrachuap Khiri Khan, Thailand
    1222.9×
  88. 88Bang Bo DistrictSamut Prakan, Thailand
    1222.9×
  89. 89ParedesPorto, Portugal
    1212.9×
  90. 90OlomoucOlomouc Region, Czechia
    1202.9×
  91. 91Chai NatChai Nat, Thailand
    1202.9×
  92. 92KavadarciKavadarci, North Macedonia
    1182.8×
  93. 93Si Maha PhotPrachin Buri, Thailand
    1172.8×
  94. 93Lop BuriLopburi, Thailand
    1172.8×
  95. 95PančevoVojvodina, Serbia
    1172.8×
  96. 95SaraburiSaraburi, Thailand
    1172.8×
  97. 95LučenecBanská Bystrica Region, Slovakia
    1172.8×
  98. 98Sing BuriSing Buri, Thailand
    1162.8×
  99. 99Liptovský Mikulᚎilina Region, Slovakia
    1162.8×
  100. 99FutogVojvodina, Serbia
    1162.8×
  101. 101AugustówPodlasie, Poland
    1162.8×
  102. 101NysaOpole Voivodeship, Poland
    1162.8×
  103. 103PodgoricaPodgorica, Montenegro
    1142.7×
  104. 104Laem ChabangChon Buri, Thailand
    1132.7×
  105. 105Skarżysko-KamiennaŚwiętokrzyskie, Poland
    1132.7×
  106. 106San Tung Chung HangIslands, Hong Kong
    1132.7×
  107. 106PesaroThe Marches, Italy
    1132.7×
  108. 108Nakhon SawanNakhon Sawan, Thailand
    1122.7×
  109. 109NišCentral Serbia, Serbia
    1112.6×
  110. 109MartinŽilina Region, Slovakia
    1112.6×
  111. 109CremonaLombardy, Italy
    1112.6×
  112. 112RayongRayong, Thailand
    1112.6×
  113. 112DěčínÚstí nad Labem Region, Czechia
    1112.6×
  114. 114IaşiIași County, Romania
    1112.6×
  115. 115KościanGreater Poland, Poland
    1102.6×
  116. 116SkopjeGrad Skopje, North Macedonia
    1102.6×
  117. 117BeneventoCampania, Italy
    1092.6×
  118. 118PinetownKwaZulu-Natal, South Africa
    1082.6×
  119. 119VigevanoLombardy, Italy
    1082.6×
  120. 120Wan ChaiWan Chai, Hong Kong
    1082.5×
  121. 121IngolstadtBavaria, Germany
    1072.5×
  122. 122LiepājaLiepaja, Latvia
    1072.5×
  123. 122GostivarGostivar, North Macedonia
    1072.5×
  124. 122TreviglioLombardy, Italy
    1072.5×
  125. 125GrajewoPodlasie, Poland
    1062.5×
  126. 126ElblągWarmia-Masuria, Poland
    1062.5×
  127. 127TrebišovKošice Region, Slovakia
    1062.5×
  128. 128Sha TinSha Tin, Hong Kong
    1052.5×
  129. 128SallanchesAuvergne-Rhône-Alpes, France
    1052.5×
  130. 128WłocławekKujawsko-Pomorskie, Poland
    1052.5×
  131. 128PoznańGreater Poland, Poland
    1052.5×
  132. 132PúchovTrenčín Region, Slovakia
    1052.5×
  133. 133AlgiersAlgiers, Algeria
    1042.5×
  134. 134Nakhon RatchasimaNakhon Ratchasima, Thailand
    1042.4×
  135. 135Frýdek-MístekMoravian-Silesian Region, Czechia
    1022.4×
  136. 136Tin Shui WaiYuen Long, Hong Kong
    1022.4×
  137. 137PietermaritzburgKwaZulu-Natal, South Africa
    1012.4×
  138. 138MainzRheinland-Pfalz, Germany
    1012.4×
  139. 138ComoLombardy, Italy
    1012.4×
  140. 140BerounCentral Bohemia, Czechia
    1002.4×
  141. 140GdyniaPomerania, Poland
    1002.4×
  142. 142LampangLampang, Thailand
    1002.3×
  143. 143LinzUpper Austria, Austria
    992.3×
  144. 144TraunUpper Austria, Austria
    992.3×
  145. 145Ubon RatchathaniUbon Ratchathani, Thailand
    992.3×
  146. 145Bad KreuznachRheinland-Pfalz, Germany
    992.3×
  147. 145BydgoszczKujawsko-Pomorskie, Poland
    992.3×
  148. 148OurenseGalicia, Spain
    982.3×
  149. 148NovaraPiedmont, Italy
    982.3×
  150. 150Cluj-NapocaCluj County, Romania
    982.3×
  151. 150ČadcaŽilina Region, Slovakia
    982.3×
  152. 152PhichitPhichit, Thailand
    982.3×
  153. 152Tuen MunTuen Mun, Hong Kong
    982.3×
  154. 154Vranov nad TopľouPrešov Region, Slovakia
    982.3×
  155. 155AvignonProvence-Alpes-Côte d'Azur, France
    972.3×
  156. 156OtwockMazovia, Poland
    972.2×
  157. 156PassauBavaria, Germany
    972.2×
  158. 158PrzemyślSubcarpathia, Poland
    962.2×
  159. 158GrazStyria, Austria
    962.2×
  160. 160SukhothaiSukhothai, Thailand
    962.2×
  161. 160TarbesOccitanie, France
    962.2×
  162. 162GdańskPomerania, Poland
    962.2×
  163. 163YasothonYasothon, Thailand
    962.2×
  164. 164Mae SotTak, Thailand
    952.2×
  165. 165StarachowiceŚwiętokrzyskie, Poland
    952.2×
  166. 166Novi SadVojvodina, Serbia
    952.2×
  167. 167Falconara MarittimaThe Marches, Italy
    942.2×
  168. 168VimercateLombardy, Italy
    942.1×
  169. 169ŽilinaŽilina Region, Slovakia
    932.1×
  170. 170WürzburgBavaria, Germany
    932.1×
  171. 170SondrioLombardy, Italy
    932.1×
  172. 172Mae SaiChiang Rai, Thailand
    932.1×
  173. 172OpoleOpole Voivodeship, Poland
    932.1×
  174. 174Kamphaeng PhetKamphaeng Phet, Thailand
    922.1×
  175. 175ColomboWestern Province, Sri Lanka
    922.1×
  176. 175PhetchabunPhetchabun, Thailand
    922.1×
  177. 175Granadilla de AbonaCanary Islands, Spain
    922.1×
  178. 175ErbaLombardy, Italy
    922.1×
  179. 179OlsztynWarmia-Masuria, Poland
    922.1×
  180. 180PrešovPrešov Region, Slovakia
    912.1×
  181. 180Mong KokYau Tsim Mong District, Hong Kong
    912.1×
  182. 180WormsRheinland-Pfalz, Germany
    912.1×
  183. 183SurinSurin, Thailand
    912.0×
  184. 183ZvolenBanská Bystrica Region, Slovakia
    912.0×
  185. 185AnnecyAuvergne-Rhône-Alpes, France
    912.0×
  186. 186VigoGalicia, Spain
    912.0×
  187. 187GrenobleAuvergne-Rhône-Alpes, France
    912.0×
  188. 188CandelariaCanary Islands, Spain
    902.0×
  189. 189PardubicePardubice Region, Czechia
    902.0×
  190. 190NiskoSubcarpathia, Poland
    902.0×
  191. 190BitolaBitola, North Macedonia
    902.0×
  192. 190Nakhon NayokNakhon Nayok, Thailand
    902.0×
  193. 193KaunasKaunas, Lithuania
    902.0×
  194. 194Buri RamBuriram, Thailand
    892.0×
  195. 195PruszkówMazovia, Poland
    892.0×
  196. 195DoleBourgogne-Franche-Comté, France
    892.0×
  197. 195ŻywiecSilesia, Poland
    892.0×
  198. 198HavířovMoravian-Silesian Region, Czechia
    892.0×
  199. 199KlaipėdaKlaipėda County, Lithuania
    892.0×
  200. 199MukdahanMukdahan, Thailand
    892.0×

Top 200 of 2,219 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 30, 2024, smogrank.com/history/2024-01-30 (accessed 3 Oct 2026).

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