SmogRank / History / February 9, 2024

Most polluted cities on February 9, 2024

2,187 cities ranked by their average PM2.5 over the day; the worst was Shenyang, China, at 188.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during February 9, 2024. All episodes.

← Shenyang 188.0 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for February 9, 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. 1ShenyangLiaoning, China
    26312.5×
  2. 2Ulan BatorUlaanbaatar, Mongolia
    22610.1×
  3. 2Abujalow-cost sensorsFCT, Nigeria
    22610.1×
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    2038.5×
  5. 5Lahorelow-cost sensorsPunjab, Pakistan
    1937.7×
  6. 6TlaquepaqueJalisco, Mexico
    1877.1×
  7. 7Novi PazarCentral Serbia, Serbia
    1745.9×
  8. 8Kathmandulow-cost sensorsBagmati Province, Nepal
    1725.7×
  9. 9KolkataWest Bengal, India
    1725.7×
  10. 10Karachilow-cost sensorsSindh, Pakistan
    1705.5×
  11. 11LampangLampang, Thailand
    1675.2×
  12. 12SukhothaiSukhothai, Thailand
    1665.2×
  13. 13CairoCairo, Egypt
    1655.0×
  14. 14ChaiyaphumChaiyaphum, Thailand
    1644.9×
  15. 15Nong Bua LamphuNong Bua Lamphu, Thailand
    1624.7×
  16. 16Islamabadlow-cost sensorsIslamabad, Pakistan
    1624.7×
  17. 17PhetchabunPhetchabun, Thailand
    1604.6×
  18. 18Nakhon SawanNakhon Sawan, Thailand
    1604.6×
  19. 19Chai NatChai Nat, Thailand
    1604.6×
  20. 20Khon KaenKhon Kaen, Thailand
    1604.5×
  21. 21VigevanoLombardy, Italy
    1604.5×
  22. 22DelhiDelhi, India
    1594.4×
  23. 23YangonYangon, Myanmar
    1594.4×
  24. 24KalasinKalasin, Thailand
    1584.4×
  25. 25SkopjeGrad Skopje, North Macedonia
    1584.4×
  26. 26Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1584.3×
  27. 27Mae SotTak, Thailand
    1584.3×
  28. 28N'DjamenaN’Djaména, Chad
    1574.3×
  29. 29Ubon RatchathaniUbon Ratchathani, Thailand
    1564.2×
  30. 29CremonaLombardy, Italy
    1564.2×
  31. 31MumbaiMaharashtra, India
    1564.2×
  32. 32DejCluj County, Romania
    1564.1×
  33. 33HyderabadTelangana, India
    1554.0×
  34. 34Kamphaeng PhetKamphaeng Phet, Thailand
    1544.0×
  35. 35YasothonYasothon, Thailand
    1544.0×
  36. 36PljevljaPljevlja, Montenegro
    1543.9×
  37. 37PhayaoPhayao, Thailand
    1523.8×
  38. 38PaviaLombardy, Italy
    1523.8×
  39. 39KavadarciKavadarci, North Macedonia
    1513.7×
  40. 40NanNan, Thailand
    1493.7×
  41. 41VelesVeles, North Macedonia
    1483.6×
  42. 42LoeiLoei, Thailand
    1473.6×
  43. 43Nakhon RatchasimaNakhon Ratchasima, Thailand
    1453.6×
  44. 44StrumicaStrumica, North Macedonia
    1433.5×
  45. 45PinetownKwaZulu-Natal, South Africa
    1433.5×
  46. 46ManamaManama, Bahrain
    1423.5×
  47. 47PhraePhrae, Thailand
    1413.4×
  48. 48PrzemyślSubcarpathia, Poland
    1403.4×
  49. 49PhichitPhichit, Thailand
    1393.4×
  50. 50Si Sa KetSi Sa Ket, Thailand
    1383.4×
  51. 51MantuaLombardy, Italy
    1383.4×
  52. 52KanchanaburiKanchanaburi, Thailand
    1353.3×
  53. 53Suphan BuriSuphan Buri, Thailand
    1353.3×
  54. 54Mae SaiChiang Rai, Thailand
    1343.3×
  55. 55Sing BuriSing Buri, Thailand
    1343.2×
  56. 56SurinSurin, Thailand
    1333.2×
  57. 57Cluj-NapocaCluj County, Romania
    1333.2×
  58. 58Almatylow-cost sensorsAlmaty, Kazakhstan
    1323.2×
  59. 59Chiang RaiChiang Rai, Thailand
    1323.2×
  60. 59UttaraditUttaradit, Thailand
    1323.2×
  61. 61PodgoricaPodgorica, Montenegro
    1313.2×
  62. 62ColomboWestern Province, Sri Lanka
    1293.1×
  63. 63LamphunLamphun, Thailand
    1273.1×
  64. 64MukdahanMukdahan, Thailand
    1243.0×
  65. 65BurgosCastille and León, Spain
    1243.0×
  66. 66Lop BuriLopburi, Thailand
    1212.9×
  67. 67Buri RamBuriram, Thailand
    1202.9×
  68. 67Amnat CharoenAmnat Charoen, Thailand
    1202.9×
  69. 69Si Maha PhotPrachin Buri, Thailand
    1182.8×
  70. 70Udon ThaniUdon Thani, Thailand
    1172.8×
  71. 71KigaliKigali, Rwanda
    1162.8×
  72. 72BadgerAlaska, United States
    1142.7×
  73. 73RoveretoTrentino-Alto Adige, Italy
    1132.7×
  74. 74Las Palmas de Gran CanariaCanary Islands, Spain
    1122.7×
  75. 75JinchengFukien, Taiwan
    1122.7×
  76. 76TrentoTrentino-Alto Adige, Italy
    1112.6×
  77. 77BolzanoTrentino-Alto Adige, Italy
    1092.6×
  78. 78MaspalomasCanary Islands, Spain
    1092.6×
  79. 79Chiang MaiChiang Mai, Thailand
    1082.6×
  80. 79BeijingBeijing, China
    1082.6×
  81. 81Kampalalow-cost sensorsCentral Region, Uganda
    1082.6×
  82. 82CapannoriTuscany, Italy
    1062.5×
  83. 83AgüimesCanary Islands, Spain
    1052.5×
  84. 84ThessaloníkiCentral Macedonia, Greece
    1042.5×
  85. 85KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    1032.4×
  86. 86ZemunCentral Serbia, Serbia
    1022.4×
  87. 87JakartaJakarta, Indonesia
    1012.4×
  88. 88CelayaGuanajuato, Mexico
    1002.4×
  89. 89HanoiHanoi, Vietnam
    1002.4×
  90. 90BeneventoCampania, Italy
    1002.3×
  91. 91TetovoTetovo, North Macedonia
    992.3×
  92. 92BitolaBitola, North Macedonia
    992.3×
  93. 93ChennaiTamil Nadu, India
    992.3×
  94. 93JesiThe Marches, Italy
    992.3×
  95. 95LodiLombardy, Italy
    982.3×
  96. 96CandelariaCanary Islands, Spain
    982.3×
  97. 97IngenioCanary Islands, Spain
    982.3×
  98. 98Santa Cruz de la PalmaCanary Islands, Spain
    982.3×
  99. 98KościanGreater Poland, Poland
    982.3×
  100. 100DziałdowoWarmia-Masuria, Poland
    962.2×
  101. 101SondrioLombardy, Italy
    962.2×
  102. 102Şabāḩ as SālimMubārak al Kabīr, Kuwait
    962.2×
  103. 102NišCentral Serbia, Serbia
    962.2×
  104. 102San IsidroCanary Islands, Spain
    962.2×
  105. 105RatchaburiRatchaburi, Thailand
    962.2×
  106. 105Santa Cruz de TenerifeCanary Islands, Spain
    962.2×
  107. 107KaliszGreater Poland, Poland
    942.1×
  108. 108PhuketPhuket, Thailand
    932.1×
  109. 109Skarżysko-KamiennaŚwiętokrzyskie, Poland
    932.1×
  110. 110KościerzynaPomerania, Poland
    932.1×
  111. 111Bang NaBangkok, Thailand
    932.1×
  112. 112IlindenIlinden, North Macedonia
    922.1×
  113. 113DębicaSubcarpathia, Poland
    912.1×
  114. 113Granadilla de AbonaCanary Islands, Spain
    912.1×
  115. 115Nakhon PathomNakhon Pathom, Thailand
    912.0×
  116. 116NovaraPiedmont, Italy
    912.0×
  117. 117AranyaprathetSa Kaeo, Thailand
    902.0×
  118. 118TeldeCanary Islands, Spain
    902.0×
  119. 118Khlong Sam WaBangkok, Thailand
    902.0×
  120. 120TratTrat, Thailand
    902.0×
  121. 121PančevoVojvodina, Serbia
    892.0×
  122. 122Khlong LuangPathum Thani, Thailand
    892.0×
  123. 123UžiceCentral Serbia, Serbia
    892.0×
  124. 124KeelungTaiwan, Taiwan
    881.9×
  125. 125WłocławekKujawsko-Pomorskie, Poland
    881.9×
  126. 125Ciudad General EscobedoNuevo León, Mexico
    881.9×
  127. 127SaraburiSaraburi, Thailand
    881.9×
  128. 128CiutadellaBalearic Islands, Spain
    881.9×
  129. 128CauquenesMaule Region, Chile
    881.9×
  130. 130Nakhon NayokNakhon Nayok, Thailand
    881.9×
  131. 130BydgoszczKujawsko-Pomorskie, Poland
    881.9×
  132. 132Nong ChokBangkok, Thailand
    871.9×
  133. 132Bang Khun ThianBangkok, Thailand
    871.9×
  134. 134IrapuatoGuanajuato, Mexico
    871.9×
  135. 135Khan Na YaoBangkok, Thailand
    871.9×
  136. 136East RidgeTennessee, United States
    861.9×
  137. 137Ban Samae DamBangkok, Thailand
    861.9×
  138. 137Bang KapiBangkok, Thailand
    861.9×
  139. 137Lat KrabangBangkok, Thailand
    861.9×
  140. 140Surat ThaniSurat Thani, Thailand
    861.9×
  141. 141ĆuprijaCentral Serbia, Serbia
    861.8×
  142. 141Nong KhaemBangkok, Thailand
    861.8×
  143. 143Kędzierzyn-KoźleOpole Voivodeship, Poland
    851.8×
  144. 144KochaniKochani, North Macedonia
    851.8×
  145. 144Bueng KumBangkok, Thailand
    851.8×
  146. 146AlgiersAlgiers, Algeria
    851.8×
  147. 147SmederevoCentral Serbia, Serbia
    841.8×
  148. 147Quezon Citylow-cost sensorsNational Capital Region, Philippines
    841.8×
  149. 147PúchovTrenčín Region, Slovakia
    841.8×
  150. 150ArucasCanary Islands, Spain
    841.8×
  151. 151SatunSatun, Thailand
    841.8×
  152. 152RacibórzSilesia, Poland
    831.8×
  153. 153Silao de la VictoriaGuanajuato, Mexico
    831.8×
  154. 154ChanthaburiChanthaburi, Thailand
    831.8×
  155. 154ZvolenBanská Bystrica Region, Slovakia
    831.8×
  156. 156EłkWarmia-Masuria, Poland
    831.7×
  157. 156LazarevacCentral Serbia, Serbia
    831.7×
  158. 156SalamancaGuanajuato, Mexico
    831.7×
  159. 159Hua HinPrachuap Khiri Khan, Thailand
    821.7×
  160. 159Saphan SungBangkok, Thailand
    821.7×
  161. 161NeiliTaiwan, Taiwan
    821.7×
  162. 162OlsztynWarmia-Masuria, Poland
    821.7×
  163. 162ArrecifeCanary Islands, Spain
    821.7×
  164. 162Jastrzębie ZdrójSilesia, Poland
    821.7×
  165. 165Bang Bo DistrictSamut Prakan, Thailand
    821.7×
  166. 165KatowiceSilesia, Poland
    821.7×
  167. 167Puerto del RosarioCanary Islands, Spain
    811.7×
  168. 167DěčínÚstí nad Labem Region, Czechia
    811.7×
  169. 167ŻywiecSilesia, Poland
    811.7×
  170. 167LimaLima Province, Peru
    811.7×
  171. 167GainesvilleGeorgia, United States
    811.7×
  172. 172QuinteroValparaiso, Chile
    811.7×
  173. 173PoznańGreater Poland, Poland
    811.7×
  174. 173HamarInnlandet, Norway
    811.7×
  175. 175KrakówLesser Poland, Poland
    811.7×
  176. 176Molina de SeguraMurcia, Spain
    801.7×
  177. 176OurenseGalicia, Spain
    801.7×
  178. 178Viña del MarValparaiso, Chile
    801.6×
  179. 179GreenvilleSouth Carolina, United States
    801.6×
  180. 180BangkokBangkok, Thailand
    801.6×
  181. 181YalaYala, Thailand
    801.6×
  182. 181LęborkPomerania, Poland
    801.6×
  183. 183AronaCanary Islands, Spain
    791.6×
  184. 183Lak SiBangkok, Thailand
    791.6×
  185. 183New Taipei CityTaipei, Taiwan
    791.6×
  186. 186NarathiwatNarathiwat, Thailand
    791.6×
  187. 186PerpignanOccitanie, France
    791.6×
  188. 186HualpénBiobio, Chile
    791.6×
  189. 189BakuBaki, Azerbaijan
    791.6×
  190. 190TocopillaAntofagasta, Chile
    791.6×
  191. 190Sai MaiBangkok, Thailand
    791.6×
  192. 192ŽilinaŽilina Region, Slovakia
    791.6×
  193. 192AcerraCampania, Italy
    791.6×
  194. 194AsprópyrgosAttica, Greece
    781.6×
  195. 194Falconara MarittimaThe Marches, Italy
    781.6×
  196. 196PhetchaburiPhetchaburi, Thailand
    771.6×
  197. 196MilanLombardy, Italy
    771.6×
  198. 196SarajevoFederation of B&H, Bosnia and Herzegovina
    771.6×
  199. 199ElblągWarmia-Masuria, Poland
    771.5×
  200. 199ChattanoogaTennessee, United States
    771.5×

Top 200 of 2,187 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, February 9, 2024, smogrank.com/history/2024-02-09 (accessed 3 Oct 2026).

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