SmogRank / History / January 30, 2025

Most polluted cities on January 30, 2025

2,261 cities ranked by their average PM2.5 over the day; the worst was Dhaka, Bangladesh, at 285.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during January 30, 2025. All episodes.

← Dhaka 285.0 µg/m³ 200 µg/m³15 WHO 24-hour guideline
Every city ranked for January 30, 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. 1Dhakalow-cost sensorsDhaka Division, Bangladesh
    42019.0×
  2. 2Lahorelow-cost sensorsPunjab, Pakistan
    31215.4×
  3. 3DelhiDelhi, India
    25512.0×
  4. 4NegotinCentral Serbia, Serbia
    2199.6×
  5. 5Şabāḩ as SālimMubārak al Kabīr, Kuwait
    2169.4×
  6. 6Kampalalow-cost sensorsCentral Region, Uganda
    1988.1×
  7. 7DushanbeDushanbe, Tajikistan
    1917.5×
  8. 8MumbaiMaharashtra, India
    1917.5×
  9. 9KolkataWest Bengal, India
    1786.2×
  10. 10Kathmandulow-cost sensorsBagmati Province, Nepal
    1745.9×
  11. 11ValjevoCentral Serbia, Serbia
    1685.3×
  12. 12HyderabadTelangana, India
    1665.1×
  13. 13KigaliKigali, Rwanda
    1655.0×
  14. 14Yerevanlow-cost sensorsYerevan, Armenia
    1645.0×
  15. 15KraljevoCentral Serbia, Serbia
    1634.8×
  16. 16Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1624.8×
  17. 17CairoCairo, Egypt
    1604.6×
  18. 18HanoiHanoi, Vietnam
    1604.5×
  19. 19Santa CatarinaNuevo León, Mexico
    1594.4×
  20. 20Novi PazarCentral Serbia, Serbia
    1584.4×
  21. 21Islamabadlow-cost sensorsIslamabad, Pakistan
    1554.1×
  22. 22ChennaiTamil Nadu, India
    1554.1×
  23. 23CodleaBrașov County, Romania
    1554.1×
  24. 24DejCluj County, Romania
    1554.0×
  25. 25Banja LukaSrpska, Bosnia and Herzegovina
    1503.7×
  26. 26ShenyangLiaoning, China
    1493.7×
  27. 27Karachilow-cost sensorsSindh, Pakistan
    1493.7×
  28. 28UžiceCentral Serbia, Serbia
    1483.6×
  29. 29Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1483.6×
  30. 30Skarżysko-KamiennaŚwiętokrzyskie, Poland
    1443.5×
  31. 31KragujevacCentral Serbia, Serbia
    1443.5×
  32. 32N'DjamenaN’Djaména, Chad
    1433.5×
  33. 33ČačakCentral Serbia, Serbia
    1423.5×
  34. 34SarajevoFederation of B&H, Bosnia and Herzegovina
    1403.4×
  35. 35Khlong Sam WaBangkok, Thailand
    1373.3×
  36. 36Lat KrabangBangkok, Thailand
    1353.3×
  37. 37Abujalow-cost sensorsFCT, Nigeria
    1343.3×
  38. 39SmederevoCentral Serbia, Serbia
    1333.2×
  39. 40LubańLower Silesia, Poland
    1323.2×
  40. 41PirotCentral Serbia, Serbia
    1323.2×
  41. 42IaşiIași County, Romania
    1313.2×
  42. 43NišCentral Serbia, Serbia
    1303.1×
  43. 44AronaCanary Islands, Spain
    1293.1×
  44. 45ObrenovacCentral Serbia, Serbia
    1283.1×
  45. 46Tomaszów LubelskiLublin, Poland
    1273.1×
  46. 47ŻywiecSilesia, Poland
    1253.0×
  47. 48Bueng KumBangkok, Thailand
    1253.0×
  48. 49Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    1243.0×
  49. 50Khan Na YaoBangkok, Thailand
    1222.9×
  50. 51Bang NaBangkok, Thailand
    1192.9×
  51. 52Nong KhaemBangkok, Thailand
    1182.8×
  52. 53Nong ChokBangkok, Thailand
    1182.8×
  53. 53Saphan SungBangkok, Thailand
    1182.8×
  54. 55Ulan BatorUlaanbaatar, Mongolia
    1172.8×
  55. 56Lak SiBangkok, Thailand
    1172.8×
  56. 57Bang KapiBangkok, Thailand
    1142.7×
  57. 58LazarevacCentral Serbia, Serbia
    1142.7×
  58. 59KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    1132.7×
  59. 60PocatelloIdaho, United States
    1112.6×
  60. 61Ban Khlong PrawetBangkok, Thailand
    1102.6×
  61. 62ZemunCentral Serbia, Serbia
    1102.6×
  62. 63YangonYangon, Myanmar
    1052.5×
  63. 64BrzegOpole Voivodeship, Poland
    1042.4×
  64. 65RuseRuse, Bulgaria
    1042.4×
  65. 66BihaćFederation of B&H, Bosnia and Herzegovina
    1032.4×
  66. 67CraiovaDolj, Romania
    1022.4×
  67. 68BangkokBangkok, Thailand
    1022.4×
  68. 69ColomboWestern Province, Sri Lanka
    1022.4×
  69. 69FutogVojvodina, Serbia
    1022.4×
  70. 71BucharestBucharest, Romania
    1002.4×
  71. 72Accralow-cost sensorsGreater Accra, Ghana
    992.3×
  72. 73Bielsko-BialaSilesia, Poland
    992.3×
  73. 74Ban Samae DamBangkok, Thailand
    992.3×
  74. 75ThessaloníkiCentral Macedonia, Greece
    992.3×
  75. 76Sai MaiBangkok, Thailand
    982.3×
  76. 77KrotoszynGreater Poland, Poland
    972.3×
  77. 78Mueang NonthaburiNonthaburi, Thailand
    972.3×
  78. 79PančevoVojvodina, Serbia
    972.2×
  79. 79GuangzhouGuangdong, China
    972.2×
  80. 79BeijingBeijing, China
    972.2×
  81. 82ChicoCalifornia, United States
    962.2×
  82. 83BakuBaki, Azerbaijan
    962.2×
  83. 84Cluj-NapocaCluj County, Romania
    962.2×
  84. 85NacimientoBiobio, Chile
    952.2×
  85. 86DhahranEastern Province, Saudi Arabia
    952.2×
  86. 87ShanghaiShanghai, China
    942.1×
  87. 88ChiguayanteBiobio, Chile
    942.1×
  88. 89Istanbullow-cost sensorsIstanbul, Turkey
    932.1×
  89. 89ErlunTaiwan, Taiwan
    932.1×
  90. 91MiskolcBorsod-Abaúj-Zemplén, Hungary
    922.1×
  91. 92SalorTashkent Region, Uzbekistan
    922.1×
  92. 92KłodzkoLower Silesia, Poland
    922.1×
  93. 94BelgradeCentral Serbia, Serbia
    912.0×
  94. 95Medina Estateslow-cost sensorsGreater Accra, Ghana
    902.0×
  95. 96RzeszówSubcarpathia, Poland
    902.0×
  96. 97Chiayi CityTaiwan, Taiwan
    902.0×
  97. 98BaghdadBaghdad, Iraq
    902.0×
  98. 99FresnoCalifornia, United States
    892.0×
  99. 100TepliceÚstí nad Labem Region, Czechia
    892.0×
  100. 100WłocławekKujawsko-Pomorskie, Poland
    892.0×
  101. 100Novi SadVojvodina, Serbia
    892.0×
  102. 100Villa Poeta José Gálvez BarrenecheaLima region, Peru
    892.0×
  103. 104RužomberokŽilina Region, Slovakia
    892.0×
  104. 105RacibórzSilesia, Poland
    881.9×
  105. 106ErlinTaiwan, Taiwan
    881.9×
  106. 107ValdostaGeorgia, United States
    871.9×
  107. 108LublinLublin, Poland
    871.9×
  108. 109OremUtah, United States
    871.9×
  109. 110BeigangTaiwan, Taiwan
    861.9×
  110. 110XonacatlánMéxico, Mexico
    861.9×
  111. 110Grants PassOregon, United States
    861.9×
  112. 110YakimaWashington, United States
    861.9×
  113. 114BerounCentral Bohemia, Czechia
    861.9×
  114. 115DębicaSubcarpathia, Poland
    851.8×
  115. 115LewistonIdaho, United States
    851.8×
  116. 117HanfordCalifornia, United States
    851.8×
  117. 118SunnysideWashington, United States
    851.8×
  118. 119SremčicaCentral Serbia, Serbia
    841.8×
  119. 120Jelenia GóraLower Silesia, Poland
    841.8×
  120. 120HillsboroOregon, United States
    841.8×
  121. 120MilwaukieOregon, United States
    841.8×
  122. 123Czechowice-DziedziceSilesia, Poland
    841.8×
  123. 123San Francisco TlalcilalcalpanMéxico, Mexico
    841.8×
  124. 125SocorroTexas, United States
    831.8×
  125. 126LitvínovÚstí nad Labem Region, Czechia
    831.7×
  126. 127NiskoSubcarpathia, Poland
    821.7×
  127. 127HelenaMontana, United States
    821.7×
  128. 129AugustówPodlasie, Poland
    821.7×
  129. 130BorCentral Serbia, Serbia
    821.7×
  130. 131MartinŽilina Region, Slovakia
    821.7×
  131. 131DěčínÚstí nad Labem Region, Czechia
    821.7×
  132. 133DouliuTaiwan, Taiwan
    821.7×
  133. 133TaibaoTaiwan, Taiwan
    821.7×
  134. 135KinzanChungcheongnam-do, South Korea
    811.7×
  135. 135Puente AltoSantiago Metropolitan, Chile
    811.7×
  136. 137PátraWest Greece, Greece
    811.7×
  137. 137XinyingTaiwan, Taiwan
    811.7×
  138. 137LučenecBanská Bystrica Region, Slovakia
    811.7×
  139. 140Almatylow-cost sensorsAlmaty, Kazakhstan
    811.7×
  140. 140San CarlosÑuble, Chile
    811.7×
  141. 142ZhushanTaiwan, Taiwan
    801.7×
  142. 142CeljeUrban Municipality of Celje, Slovenia
    801.7×
  143. 144OpoleOpole Voivodeship, Poland
    801.7×
  144. 145YuanlinTaiwan, Taiwan
    801.6×
  145. 146AstanaAstana, Kazakhstan
    791.6×
  146. 146SantyokuGangwon-do, South Korea
    791.6×
  147. 148JarosławSubcarpathia, Poland
    791.6×
  148. 148SantiagoSantiago Metropolitan, Chile
    791.6×
  149. 148TigardOregon, United States
    791.6×
  150. 151WoodburnOregon, United States
    791.6×
  151. 152NyíregyházaSzabolcs-Szatmár-Bereg, Hungary
    791.6×
  152. 153MillcreekUtah, United States
    791.6×
  153. 154KaliszGreater Poland, Poland
    781.6×
  154. 155IngolstadtBavaria, Germany
    781.6×
  155. 155AltamontOregon, United States
    781.6×
  156. 157HermistonOregon, United States
    781.6×
  157. 158TainanTaiwan, Taiwan
    771.6×
  158. 158BirminghamAlabama, United States
    771.6×
  159. 158ButteMontana, United States
    771.6×
  160. 161San Luis de la PazGuanajuato, Mexico
    771.5×
  161. 162YeongjuGyeongsangbuk-do, South Korea
    771.5×
  162. 162Yuba CityCalifornia, United States
    771.5×
  163. 164KourouGuyane, French Guiana
    771.5×
  164. 165Silao de la VictoriaGuanajuato, Mexico
    771.5×
  165. 166KaohsiungTakao, Taiwan
    771.5×
  166. 166ČadcaŽilina Region, Slovakia
    771.5×
  167. 168ZamośćLublin, Poland
    761.5×
  168. 168RengoO'Higgins Region, Chile
    761.5×
  169. 170StarachowiceŚwiętokrzyskie, Poland
    761.5×
  170. 170GumiGyeongsangbuk-do, South Korea
    761.5×
  171. 172AmmanAmman, Jordan
    761.5×
  172. 172BuziTaiwan, Taiwan
    761.5×
  173. 172AricaArica y Parinacota Region, Chile
    761.5×
  174. 175CalexicoCalifornia, United States
    761.5×
  175. 175VisaliaCalifornia, United States
    761.5×
  176. 177KutnoŁódź Voivodeship, Poland
    761.5×
  177. 177LinaresMaule Region, Chile
    761.5×
  178. 177BeavertonOregon, United States
    761.5×
  179. 180PuliTaiwan, Taiwan
    751.5×
  180. 181KielceŚwiętokrzyskie, Poland
    751.5×
  181. 181ĆuprijaCentral Serbia, Serbia
    751.5×
  182. 181YŏnmuChungcheongnam-do, South Korea
    751.5×
  183. 181West JordanUtah, United States
    751.5×
  184. 185BuyeoChungcheongnam-do, South Korea
    751.5×
  185. 185CauquenesMaule Region, Chile
    751.5×
  186. 185CorcoranCalifornia, United States
    751.5×
  187. 188PilsenPlzeň Region, Czechia
    751.5×
  188. 189FengshanTakao, Taiwan
    741.4×
  189. 189EllensburgWashington, United States
    741.4×
  190. 191PrzemyślSubcarpathia, Poland
    741.4×
  191. 192KošiceKošice Region, Slovakia
    741.4×
  192. 193ChangsuJeollabuk-do, South Korea
    741.4×
  193. 193Jastrzębie ZdrójSilesia, Poland
    741.4×
  194. 193PortlandOregon, United States
    741.4×
  195. 196Mladá BoleslavCentral Bohemia, Czechia
    731.4×
  196. 196Jurupa ValleyCalifornia, United States
    731.4×
  197. 198ChanghuaTaiwan, Taiwan
    731.4×
  198. 198QuillotaValparaiso, Chile
    731.4×
  199. 198NogalesSonora, Mexico
    731.4×

Top 200 of 2,261 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, 2025, smogrank.com/history/2025-01-30 (accessed 2 Oct 2026).

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