SmogRank / History / March 27, 2024

Most polluted cities on March 27, 2024

2,214 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 144.0 µg/m³. Each city's own local calendar day.

← Lahore 144.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for March 27, 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. 1Lahorelow-cost sensorsPunjab, Pakistan
    2199.6×
  2. 2N'DjamenaN’Djaména, Chad
    2018.4×
  3. 3BeijingBeijing, China
    1988.2×
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    1897.3×
  5. 5Mae SotTak, Thailand
    1836.7×
  6. 6LamphunLamphun, Thailand
    1735.8×
  7. 7Mae SaiChiang Rai, Thailand
    1715.6×
  8. 8Kathmandulow-cost sensorsBagmati Province, Nepal
    1685.3×
  9. 9CairoCairo, Egypt
    1665.2×
  10. 10PhayaoPhayao, Thailand
    1655.1×
  11. 11San Pawl il-BaħarSaint Paul’s Bay, Malta
    1644.9×
  12. 12Chiang MaiChiang Mai, Thailand
    1644.9×
  13. 13TolucaMéxico, Mexico
    1604.6×
  14. 14LampangLampang, Thailand
    1594.5×
  15. 15Novi PazarCentral Serbia, Serbia
    1584.3×
  16. 16ŻabbarĦaż-Żabbar, Malta
    1574.3×
  17. 17MostaIl-Mosta, Malta
    1574.3×
  18. 18SarajevoFederation of B&H, Bosnia and Herzegovina
    1564.2×
  19. 19NanNan, Thailand
    1554.1×
  20. 20UžiceCentral Serbia, Serbia
    1544.0×
  21. 21MukdahanMukdahan, Thailand
    1523.8×
  22. 22Ubon RatchathaniUbon Ratchathani, Thailand
    1513.7×
  23. 23DelhiDelhi, India
    1463.6×
  24. 24HanoiHanoi, Vietnam
    1393.4×
  25. 25KigaliKigali, Rwanda
    1383.4×
  26. 26TocopillaAntofagasta, Chile
    1373.3×
  27. 27Chiang RaiChiang Rai, Thailand
    1373.3×
  28. 28PhraePhrae, Thailand
    1343.3×
  29. 29TetovoTetovo, North Macedonia
    1343.3×
  30. 30Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1263.0×
  31. 30JakartaJakarta, Indonesia
    1263.0×
  32. 32Si Sa KetSi Sa Ket, Thailand
    1263.0×
  33. 33YangonYangon, Myanmar
    1253.0×
  34. 34ShenyangLiaoning, China
    1222.9×
  35. 35KalasinKalasin, Thailand
    1212.9×
  36. 36UttaraditUttaradit, Thailand
    1202.9×
  37. 36Amnat CharoenAmnat Charoen, Thailand
    1202.9×
  38. 38YasothonYasothon, Thailand
    1182.8×
  39. 39Sakon NakhonSakon Nakhon, Thailand
    1172.8×
  40. 40KolkataWest Bengal, India
    1162.8×
  41. 41KanchanaburiKanchanaburi, Thailand
    1142.7×
  42. 42Banja LukaSrpska, Bosnia and Herzegovina
    1122.7×
  43. 43BelmopanCayo District, Belize
    1102.6×
  44. 44Chai NatChai Nat, Thailand
    1102.6×
  45. 45LoeiLoei, Thailand
    1082.5×
  46. 46TravnikFederation of B&H, Bosnia and Herzegovina
    1062.5×
  47. 47Suphan BuriSuphan Buri, Thailand
    1042.5×
  48. 48Ceglie MessapicaApulia, Italy
    1032.4×
  49. 49Udon ThaniUdon Thani, Thailand
    1012.4×
  50. 50Roi EtRoi Et, Thailand
    992.3×
  51. 50Lop BuriLopburi, Thailand
    992.3×
  52. 52Islamabadlow-cost sensorsIslamabad, Pakistan
    982.3×
  53. 52HyderabadTelangana, India
    982.3×
  54. 54PhetchabunPhetchabun, Thailand
    962.2×
  55. 55Guatemala CityGuatemala, Guatemala
    962.2×
  56. 56RabinalBaja Verapaz, Guatemala
    962.2×
  57. 57Kamphaeng PhetKamphaeng Phet, Thailand
    942.2×
  58. 58NišCentral Serbia, Serbia
    942.1×
  59. 59CelayaGuanajuato, Mexico
    942.1×
  60. 60SukhothaiSukhothai, Thailand
    932.1×
  61. 61Vientianelow-cost sensorsVientiane Prefecture, Laos
    932.1×
  62. 62Khon KaenKhon Kaen, Thailand
    932.1×
  63. 63ValjevoCentral Serbia, Serbia
    922.1×
  64. 64AshgabatAshgabat, Turkmenistan
    912.0×
  65. 64Nong Bua LamphuNong Bua Lamphu, Thailand
    912.0×
  66. 66Nakhon RatchasimaNakhon Ratchasima, Thailand
    912.0×
  67. 67BaghdadBaghdad, Iraq
    912.0×
  68. 68Karachilow-cost sensorsSindh, Pakistan
    902.0×
  69. 68SurinSurin, Thailand
    902.0×
  70. 70Sing BuriSing Buri, Thailand
    902.0×
  71. 71Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    902.0×
  72. 72Si Maha PhotPrachin Buri, Thailand
    881.9×
  73. 73ZhushanTaiwan, Taiwan
    881.9×
  74. 73San CarlosÑuble, Chile
    881.9×
  75. 75SaraburiSaraburi, Thailand
    861.9×
  76. 76KavadarciKavadarci, North Macedonia
    851.8×
  77. 77Puente AltoSantiago Metropolitan, Chile
    851.8×
  78. 78KraljevoCentral Serbia, Serbia
    851.8×
  79. 78GostivarGostivar, North Macedonia
    851.8×
  80. 78ColomboWestern Province, Sri Lanka
    851.8×
  81. 78PuliTaiwan, Taiwan
    851.8×
  82. 82Nakhon NayokNakhon Nayok, Thailand
    841.8×
  83. 83PhichitPhichit, Thailand
    831.8×
  84. 83ChaiyaphumChaiyaphum, Thailand
    831.8×
  85. 85GuangzhouGuangdong, China
    831.7×
  86. 85SantiagoSantiago Metropolitan, Chile
    831.7×
  87. 87MumbaiMaharashtra, India
    821.7×
  88. 87Khlong LuangPathum Thani, Thailand
    821.7×
  89. 89Chiayi CityTaiwan, Taiwan
    821.7×
  90. 90HualpénBiobio, Chile
    821.7×
  91. 91GunsanJeollabuk-do, South Korea
    811.7×
  92. 91Viña del MarValparaiso, Chile
    811.7×
  93. 93SeonghwanChungcheongnam-do, South Korea
    811.7×
  94. 94PirotCentral Serbia, Serbia
    811.7×
  95. 94Nakhon SawanNakhon Sawan, Thailand
    811.7×
  96. 96PátraWest Greece, Greece
    811.7×
  97. 97Victoria de DurangoDurango, Mexico
    801.7×
  98. 98ČačakCentral Serbia, Serbia
    801.7×
  99. 98Khlong Sam WaBangkok, Thailand
    801.7×
  100. 100ShanghaiShanghai, China
    801.6×
  101. 100TalaganteSantiago Metropolitan, Chile
    801.6×
  102. 102Prachin BuriPrachin Buri, Thailand
    801.6×
  103. 103TratTrat, Thailand
    801.6×
  104. 104IksanJeollabuk-do, South Korea
    801.6×
  105. 104QuilpuéValparaiso, Chile
    801.6×
  106. 106NaplesCampania, Italy
    791.6×
  107. 106Santa Anita - Los FicusLima region, Peru
    791.6×
  108. 108Bang NaBangkok, Thailand
    791.6×
  109. 108FengshanTakao, Taiwan
    791.6×
  110. 108Puerto AysénAysén, Chile
    791.6×
  111. 111DouliuTaiwan, Taiwan
    791.6×
  112. 111RancaguaO'Higgins Region, Chile
    791.6×
  113. 113Saphan SungBangkok, Thailand
    791.6×
  114. 114QuinteroValparaiso, Chile
    781.6×
  115. 115NacimientoBiobio, Chile
    781.6×
  116. 115CoyhaiqueAysén, Chile
    781.6×
  117. 117HwadoGyeonggi-do, South Korea
    781.6×
  118. 118PejëPec, Kosovo
    771.6×
  119. 118CoronelBiobio, Chile
    771.6×
  120. 120Buri RamBuriram, Thailand
    771.5×
  121. 120PubalGyeonggi-do, South Korea
    771.5×
  122. 122RatchaburiRatchaburi, Thailand
    771.5×
  123. 122AranyaprathetSa Kaeo, Thailand
    771.5×
  124. 122Asunciónlow-cost sensorsAsuncion, Paraguay
    771.5×
  125. 125ChennaiTamil Nadu, India
    761.5×
  126. 126KaohsiungTakao, Taiwan
    761.5×
  127. 127YŏnmuChungcheongnam-do, South Korea
    761.5×
  128. 127Khan Na YaoBangkok, Thailand
    761.5×
  129. 129RengoO'Higgins Region, Chile
    751.5×
  130. 130StrumicaStrumica, North Macedonia
    751.5×
  131. 131YongkangTaiwan, Taiwan
    751.5×
  132. 132SkopjeGrad Skopje, North Macedonia
    751.5×
  133. 132ConcónValparaiso, Chile
    751.5×
  134. 134BitolaBitola, North Macedonia
    751.5×
  135. 134Nong ChokBangkok, Thailand
    751.5×
  136. 136BurgosCastille and León, Spain
    741.4×
  137. 137NantouTaiwan, Taiwan
    741.4×
  138. 138AthensAttica, Greece
    741.4×
  139. 139PyeongtaekGyeonggi-do, South Korea
    731.4×
  140. 139ChillánÑuble, Chile
    731.4×
  141. 141Puerto VarasLos Lagos Region, Chile
    731.4×
  142. 142JeddahMecca Region, Saudi Arabia
    731.4×
  143. 142BihaćFederation of B&H, Bosnia and Herzegovina
    731.4×
  144. 142IrapuatoGuanajuato, Mexico
    731.4×
  145. 145Sai MaiBangkok, Thailand
    731.4×
  146. 146AsprópyrgosAttica, Greece
    731.4×
  147. 146Bang KapiBangkok, Thailand
    731.4×
  148. 148MiskolcBorsod-Abaúj-Zemplén, Hungary
    721.4×
  149. 148Mueang NonthaburiNonthaburi, Thailand
    721.4×
  150. 150CuricóMaule Region, Chile
    721.4×
  151. 151MitrovicëMitrovica, Kosovo
    721.4×
  152. 151ĆuprijaCentral Serbia, Serbia
    721.4×
  153. 151ToméBiobio, Chile
    721.4×
  154. 154BeigangTaiwan, Taiwan
    721.4×
  155. 155SalamancaGuanajuato, Mexico
    711.3×
  156. 156NamyangjuGyeonggi-do, South Korea
    711.3×
  157. 157OsornoLos Lagos Region, Chile
    711.3×
  158. 158PrizrenPrizren, Kosovo
    711.3×
  159. 158PhuketPhuket, Thailand
    711.3×
  160. 158AnseongGyeonggi-do, South Korea
    711.3×
  161. 161PrešovPrešov Region, Slovakia
    711.3×
  162. 161ZemunCentral Serbia, Serbia
    711.3×
  163. 161AsanChungcheongnam-do, South Korea
    711.3×
  164. 161NamsaJeollabuk-do, South Korea
    711.3×
  165. 161VisbyGotland, Sweden
    711.3×
  166. 166SuwonGyeonggi-do, South Korea
    711.3×
  167. 166KimjeJeollabuk-do, South Korea
    711.3×
  168. 168MonterreyNuevo León, Mexico
    701.3×
  169. 169LazarevacCentral Serbia, Serbia
    701.3×
  170. 169BorCentral Serbia, Serbia
    701.3×
  171. 171GjilanGjilan, Kosovo
    701.3×
  172. 171Anyang-siGyeonggi-do, South Korea
    701.3×
  173. 171AbasoloGuanajuato, Mexico
    701.3×
  174. 174TainanTaiwan, Taiwan
    701.3×
  175. 174Goyang-siGyeonggi-do, South Korea
    701.3×
  176. 174Accralow-cost sensorsGreater Accra, Ghana
    701.3×
  177. 174CalamaAntofagasta, Chile
    701.3×
  178. 178KochaniKochani, North Macedonia
    691.3×
  179. 178JinchengFukien, Taiwan
    691.3×
  180. 180Nakhon PathomNakhon Pathom, Thailand
    691.3×
  181. 181GumiGyeongsangbuk-do, South Korea
    691.3×
  182. 182KragujevacCentral Serbia, Serbia
    691.2×
  183. 182BangkokBangkok, Thailand
    691.2×
  184. 182Icheon-siGyeonggi-do, South Korea
    691.2×
  185. 182Hwaseong-siGyeonggi-do, South Korea
    691.2×
  186. 182Silao de la VictoriaGuanajuato, Mexico
    691.2×
  187. 187YesanChungcheongnam-do, South Korea
    691.2×
  188. 187GdyniaPomerania, Poland
    691.2×
  189. 187Los ÁngelesBiobio, Chile
    691.2×
  190. 190Ban ChangRayong, Thailand
    691.2×
  191. 191Phra PradaengSamut Prakan, Thailand
    681.2×
  192. 191XinyingTaiwan, Taiwan
    681.2×
  193. 191HongseongChungcheongnam-do, South Korea
    681.2×
  194. 191JeonjuJeollabuk-do, South Korea
    681.2×
  195. 195SofiaSofia-Capital, Bulgaria
    681.2×
  196. 195Nong KhaemBangkok, Thailand
    681.2×
  197. 195AricaArica y Parinacota Region, Chile
    681.2×
  198. 195San Pedro de la PazBiobio, Chile
    681.2×
  199. 199Bang Bo DistrictSamut Prakan, Thailand
    681.2×
  200. 199OsanGyeonggi-do, South Korea
    681.2×

Top 200 of 2,214 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, March 27, 2024, smogrank.com/history/2024-03-27 (accessed 3 Oct 2026).

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