SmogRank / History / May 29, 2025

Most polluted cities on May 29, 2025

2,627 cities ranked by their average PM2.5 over the day; the worst was Greater Noida, India, at 389.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during May 29, 2025. All episodes.

← Greater Noida 389.0 µg/m³ 300 µg/m³15 WHO 24-hour guideline
Every city ranked for May 29, 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. 1Greater NoidaUttar Pradesh, India
    500+25.9×
  2. 2OsornoLos Lagos Region, Chile
    2068.7×
  3. 3JaipurRajasthan, India
    1957.9×
  4. 4VirārMaharashtra, India
    1907.4×
  5. 5RamanathapuramTamil Nadu, India
    1846.8×
  6. 6TemucoAraucania, Chile
    1796.4×
  7. 7HualpénBiobio, Chile
    1776.2×
  8. 8La UniónLos Ríos Region, Chile
    1735.8×
  9. 9CuricóMaule Region, Chile
    1725.7×
  10. 10KraljevoCentral Serbia, Serbia
    1705.5×
  11. 11JhunjhunūnRajasthan, India
    1685.3×
  12. 12BathindaPunjab, India
    1675.2×
  13. 13Santa Anita - Los FicusLima region, Peru
    1675.2×
  14. 14LinaresMaule Region, Chile
    1665.1×
  15. 15Puerto VarasLos Lagos Region, Chile
    1655.0×
  16. 16PāliRajasthan, India
    1644.9×
  17. 17TirupparangunramTamil Nadu, India
    1634.8×
  18. 18NarelaDelhi, India
    1634.8×
  19. 19BawānaDelhi, India
    1624.8×
  20. 20ValdiviaLos Ríos Region, Chile
    1614.7×
  21. 21Lahorelow-cost sensorsPunjab, Pakistan
    1614.6×
  22. 22Puerto AysénAysén, Chile
    1604.6×
  23. 23LoniUttar Pradesh, India
    1604.6×
  24. 24CoronelBiobio, Chile
    1604.5×
  25. 25NacimientoBiobio, Chile
    1594.5×
  26. 26HanumāngarhRajasthan, India
    1564.2×
  27. 27Dubailow-cost sensorsDubai, United Arab Emirates
    1564.2×
  28. 28TalaganteSantiago Metropolitan, Chile
    1564.2×
  29. 29NāgaurRajasthan, India
    1564.1×
  30. 30HualquiBiobio, Chile
    1554.1×
  31. 31ChūruRajasthan, India
    1533.9×
  32. 32KhannaPunjab, India
    1533.9×
  33. 33BhiwadiRajasthan, India
    1533.8×
  34. 34RancaguaO'Higgins Region, Chile
    1523.8×
  35. 35RānipetTamil Nadu, India
    1523.8×
  36. 35BulandshahrUttar Pradesh, India
    1523.8×
  37. 37CoyhaiqueAysén, Chile
    1523.8×
  38. 38RasapūdipalemAndhra Pradesh, India
    1523.8×
  39. 39NajafgarhDelhi, India
    1513.7×
  40. 40DelhiDelhi, India
    1493.7×
  41. 41Fort McMurrayAlberta, Canada
    1473.6×
  42. 42MuzaffarnagarUttar Pradesh, India
    1443.5×
  43. 43VillarricaAraucania, Chile
    1443.5×
  44. 44LudhianaPunjab, India
    1443.5×
  45. 45GhāziābādUttar Pradesh, India
    1423.5×
  46. 46SantiagoSantiago Metropolitan, Chile
    1393.4×
  47. 47SīkarRajasthan, India
    1393.4×
  48. 48TalcahuanoBiobio, Chile
    1393.4×
  49. 49Puerto MonttLos Lagos Region, Chile
    1383.4×
  50. 50SingrauliMadhya Pradesh, India
    1373.4×
  51. 51RourkelaOdisha, India
    1363.3×
  52. 52GobindgarhPunjab, India
    1353.3×
  53. 53RengoO'Higgins Region, Chile
    1353.3×
  54. 54NoidaUttar Pradesh, India
    1343.2×
  55. 55CuranilahueBiobio, Chile
    1333.2×
  56. 56ChandigarhChandigarh, India
    1333.2×
  57. 57SāngliMaharashtra, India
    1323.2×
  58. 58PatiālaPunjab, India
    1293.1×
  59. 59GorakhpurUttar Pradesh, India
    1283.1×
  60. 60TalcaMaule Region, Chile
    1253.0×
  61. 61AjmerRajasthan, India
    1243.0×
  62. 62BikanerRajasthan, India
    1222.9×
  63. 63BadlapurMaharashtra, India
    1202.9×
  64. 63Puente AltoSantiago Metropolitan, Chile
    1202.9×
  65. 65ChāpraBihar, India
    1192.9×
  66. 66Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    1192.8×
  67. 67DausaRajasthan, India
    1182.8×
  68. 68ManamaManama, Bahrain
    1172.8×
  69. 68KhargharMaharashtra, India
    1172.8×
  70. 70KanchipuramTamil Nadu, India
    1172.8×
  71. 71AhmedabadGujarat, India
    1162.8×
  72. 72KigaliKigali, Rwanda
    1152.8×
  73. 73Aya NagarDelhi, India
    1152.7×
  74. 74ConcepciónBiobio, Chile
    1152.7×
  75. 75NagaonAssam, India
    1142.7×
  76. 76ConcónValparaiso, Chile
    1142.7×
  77. 77GandhinagarGujarat, India
    1142.7×
  78. 77QuilpuéValparaiso, Chile
    1142.7×
  79. 79BelpaharOdisha, India
    1122.7×
  80. 80MahādMaharashtra, India
    1112.6×
  81. 81MalegaonMaharashtra, India
    1112.6×
  82. 82AnantapurAndhra Pradesh, India
    1102.6×
  83. 82San CarlosÑuble, Chile
    1102.6×
  84. 84JaisalmerRajasthan, India
    1092.6×
  85. 85San Pedro de la PazBiobio, Chile
    1092.6×
  86. 86AlwarRajasthan, India
    1082.6×
  87. 87JalandharPunjab, India
    1082.6×
  88. 87KadapaAndhra Pradesh, India
    1082.6×
  89. 89LimaLima Province, Peru
    1072.5×
  90. 90JakartaJakarta, Indonesia
    1062.5×
  91. 91PanvelMaharashtra, India
    1062.5×
  92. 92Islamabadlow-cost sensorsIslamabad, Pakistan
    1052.5×
  93. 93IksanJeollabuk-do, South Korea
    1052.5×
  94. 94Sri GanganagarRajasthan, India
    1052.5×
  95. 94MéridaYucatán, Mexico
    1052.5×
  96. 96Victoria de DurangoDurango, Mexico
    1052.5×
  97. 97KhurjaUttar Pradesh, India
    1042.5×
  98. 97ChiguayanteBiobio, Chile
    1042.5×
  99. 99GūduvāncheriTamil Nadu, India
    1042.4×
  100. 100VijayawadaAndhra Pradesh, India
    1032.4×
  101. 101ThāneMaharashtra, India
    1022.4×
  102. 101AngulOdisha, India
    1022.4×
  103. 103DādriUttar Pradesh, India
    1012.4×
  104. 104St. AlbertAlberta, Canada
    1002.4×
  105. 104MohaliPunjab, India
    1002.4×
  106. 106CauquenesMaule Region, Chile
    992.3×
  107. 107TirupatiAndhra Pradesh, India
    992.3×
  108. 107ChillánÑuble, Chile
    992.3×
  109. 109BhiwandiMaharashtra, India
    992.3×
  110. 110ShillongMeghalaya, India
    982.3×
  111. 111SeonghwanChungcheongnam-do, South Korea
    982.3×
  112. 112AkolaMaharashtra, India
    982.3×
  113. 113DhuleMaharashtra, India
    972.3×
  114. 114GwaliorMadhya Pradesh, India
    972.2×
  115. 115Ban Talat BuengChon Buri, Thailand
    972.2×
  116. 116KarauliRajasthan, India
    962.2×
  117. 117BhilwaraRajasthan, India
    962.2×
  118. 118JalgaonMaharashtra, India
    962.2×
  119. 119ChittorgarhRajasthan, India
    952.2×
  120. 120MandideepMadhya Pradesh, India
    952.2×
  121. 121GunsanJeollabuk-do, South Korea
    942.1×
  122. 122PuneMaharashtra, India
    932.1×
  123. 123AsanChungcheongnam-do, South Korea
    932.1×
  124. 124PithampurMadhya Pradesh, India
    932.1×
  125. 125ToméBiobio, Chile
    932.1×
  126. 126BharatpurRajasthan, India
    932.1×
  127. 127JeongeupJeollabuk-do, South Korea
    922.1×
  128. 128CuttackOdisha, India
    922.1×
  129. 128BuanJeollabuk-do, South Korea
    922.1×
  130. 130SangāreddiTelangana, India
    922.1×
  131. 131GumiGyeongsangbuk-do, South Korea
    912.1×
  132. 132DushanbeDushanbe, Tajikistan
    912.0×
  133. 133NandedMaharashtra, India
    912.0×
  134. 133LucknowUttar Pradesh, India
    912.0×
  135. 135NalbāriAssam, India
    912.0×
  136. 135KalyānMaharashtra, India
    912.0×
  137. 137PatnaBihar, India
    902.0×
  138. 137MeerutUttar Pradesh, India
    902.0×
  139. 139MorādābādUttar Pradesh, India
    902.0×
  140. 140TangjinChungcheongnam-do, South Korea
    902.0×
  141. 141PyeongtaekGyeonggi-do, South Korea
    902.0×
  142. 141HaenamJeollanam-do, South Korea
    902.0×
  143. 143WanjuJeollabuk-do, South Korea
    892.0×
  144. 144Dera Colliery TownshipOdisha, India
    892.0×
  145. 145NajuJeollanam-do, South Korea
    892.0×
  146. 145Ansan-siGyeonggi-do, South Korea
    892.0×
  147. 147KotaRajasthan, India
    881.9×
  148. 147AgraUttar Pradesh, India
    881.9×
  149. 147YŏnmuChungcheongnam-do, South Korea
    881.9×
  150. 150YeongamJeollanam-do, South Korea
    881.9×
  151. 151HāpurUttar Pradesh, India
    881.9×
  152. 151NamsaJeollabuk-do, South Korea
    881.9×
  153. 153BāghpatUttar Pradesh, India
    881.9×
  154. 153AurangabadMaharashtra, India
    881.9×
  155. 153YesanChungcheongnam-do, South Korea
    881.9×
  156. 153KimjeJeollabuk-do, South Korea
    881.9×
  157. 153San Francisco De BorjaLima region, Peru
    881.9×
  158. 158MuzaffarpurBihar, India
    881.9×
  159. 158Hwaseong-siGyeonggi-do, South Korea
    881.9×
  160. 160BūndiRajasthan, India
    871.9×
  161. 161IncheonIncheon, South Korea
    871.9×
  162. 162KinzanChungcheongnam-do, South Korea
    871.9×
  163. 162ShenyangLiaoning, China
    871.9×
  164. 162Viña del MarValparaiso, Chile
    871.9×
  165. 165VrindāvanUttar Pradesh, India
    871.9×
  166. 165HongseongChungcheongnam-do, South Korea
    871.9×
  167. 167ChāndaMaharashtra, India
    861.9×
  168. 167SejongSejong-si, South Korea
    861.9×
  169. 169BoryeongChungcheongnam-do, South Korea
    861.9×
  170. 169OkcheonNorth Chungcheong, South Korea
    861.9×
  171. 169Cheongju-siNorth Chungcheong, South Korea
    861.9×
  172. 172NagpurMaharashtra, India
    861.9×
  173. 173NonsanChungcheongnam-do, South Korea
    861.9×
  174. 174JangheungJeollanam-do, South Korea
    851.8×
  175. 174QuinteroValparaiso, Chile
    851.8×
  176. 174GarcíaNuevo León, Mexico
    851.8×
  177. 177WaegwanGyeongsangbuk-do, South Korea
    851.8×
  178. 177SuwonGyeonggi-do, South Korea
    851.8×
  179. 177OsanGyeonggi-do, South Korea
    851.8×
  180. 180DūngarpurRajasthan, India
    851.8×
  181. 180Goyang-siGyeonggi-do, South Korea
    851.8×
  182. 182CoquimboCoquimbo Region, Chile
    851.8×
  183. 183HyderabadTelangana, India
    841.8×
  184. 183Los ÁngelesBiobio, Chile
    841.8×
  185. 185Gimpo-siGyeonggi-do, South Korea
    841.8×
  186. 186Bucheon-siGyeonggi-do, South Korea
    841.8×
  187. 187Chinch'ŏnNorth Chungcheong, South Korea
    841.8×
  188. 188JalorRajasthan, India
    841.8×
  189. 188AnseongGyeonggi-do, South Korea
    841.8×
  190. 190JungpyongNorth Chungcheong, South Korea
    831.8×
  191. 190BoseongJeollanam-do, South Korea
    831.8×
  192. 192DewasMadhya Pradesh, India
    831.8×
  193. 192DaejeonDaejeon, South Korea
    831.8×
  194. 192MokpoJeollanam-do, South Korea
    831.8×
  195. 192JodaOdisha, India
    831.8×
  196. 192ByasanagarOdisha, India
    831.8×
  197. 197NashikMaharashtra, India
    831.7×
  198. 197SeoulSeoul, South Korea
    831.7×
  199. 199CheonanChungcheongnam-do, South Korea
    821.7×
  200. 200PubalGyeonggi-do, South Korea
    821.7×

Top 200 of 2,627 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, May 29, 2025, smogrank.com/history/2025-05-29 (accessed 3 Oct 2026).

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