SmogRank / History / May 16, 2025

Most polluted cities on May 16, 2025

2,553 cities ranked by their average PM2.5 over the day; the worst was Aya Nagar, India, at 172.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during May 16, 2025. All episodes.

← Aya Nagar 172.0 µg/m³ 150 µg/m³15 WHO 24-hour guideline
Every city ranked for May 16, 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. 1Aya NagarDelhi, India
    24711.5×
  2. 2KoppalKarnataka, India
    2008.3×
  3. 3LucknowUttar Pradesh, India
    1968.0×
  4. 4BawānaDelhi, India
    1867.1×
  5. 5NarelaDelhi, India
    1846.9×
  6. 6SasarāmBihar, India
    1836.7×
  7. 7MuzaffarnagarUttar Pradesh, India
    1826.6×
  8. 8OotyTamil Nadu, India
    1796.4×
  9. 9RājgīrBihar, India
    1786.3×
  10. 10San CarlosÑuble, Chile
    1766.0×
  11. 11LoniUttar Pradesh, India
    1755.9×
  12. 12KeonjhargarhOdisha, India
    1745.9×
  13. 13DelhiDelhi, India
    1745.9×
  14. 14Dera MāndiDelhi, India
    1735.8×
  15. 14ChillánÑuble, Chile
    1735.8×
  16. 16BathindaPunjab, India
    1735.8×
  17. 17LinaresMaule Region, Chile
    1695.4×
  18. 18NacimientoBiobio, Chile
    1685.3×
  19. 19NajafgarhDelhi, India
    1665.1×
  20. 19GhāziābādUttar Pradesh, India
    1665.1×
  21. 21CuricóMaule Region, Chile
    1655.1×
  22. 22CuddaloreTamil Nadu, India
    1634.9×
  23. 23VillarricaAraucania, Chile
    1624.8×
  24. 24BhelaiChhattisgarh, India
    1624.7×
  25. 25LudhianaPunjab, India
    1614.7×
  26. 26HualpénBiobio, Chile
    1594.5×
  27. 27DindigulTamil Nadu, India
    1594.5×
  28. 27Santa Anita - Los FicusLima region, Peru
    1594.5×
  29. 29SantiagoSantiago Metropolitan, Chile
    1594.5×
  30. 30NoidaUttar Pradesh, India
    1584.4×
  31. 31TalcaMaule Region, Chile
    1584.4×
  32. 32PatiālaPunjab, India
    1574.3×
  33. 33CuranilahueBiobio, Chile
    1574.2×
  34. 34HanumāngarhRajasthan, India
    1564.2×
  35. 35TalcahuanoBiobio, Chile
    1564.1×
  36. 36HualquiBiobio, Chile
    1554.1×
  37. 37Los ÁngelesBiobio, Chile
    1554.1×
  38. 38GayaBihar, India
    1544.0×
  39. 39Puente AltoSantiago Metropolitan, Chile
    1544.0×
  40. 40RengoO'Higgins Region, Chile
    1533.9×
  41. 41DādriUttar Pradesh, India
    1533.9×
  42. 42BulandshahrUttar Pradesh, India
    1523.8×
  43. 43RourkelaOdisha, India
    1523.8×
  44. 44CoyhaiqueAysén, Chile
    1513.7×
  45. 45TalaganteSantiago Metropolitan, Chile
    1513.7×
  46. 46KarauliRajasthan, India
    1513.7×
  47. 47KhannaPunjab, India
    1503.7×
  48. 48KanpurUttar Pradesh, India
    1483.6×
  49. 49CuttackOdisha, India
    1473.6×
  50. 50RancaguaO'Higgins Region, Chile
    1443.5×
  51. 51AurangābādBihar, India
    1423.5×
  52. 52PatnaBihar, India
    1403.4×
  53. 53Hacienda Santa FeJalisco, Mexico
    1373.4×
  54. 54AmritsarPunjab, India
    1373.3×
  55. 55AguascalientesAguascalientes, Mexico
    1373.3×
  56. 56SangāreddiTelangana, India
    1363.3×
  57. 57HājīpurBihar, India
    1363.3×
  58. 58Ciudad Benito JuárezNuevo León, Mexico
    1343.3×
  59. 59PithampurMadhya Pradesh, India
    1333.2×
  60. 60Sawai MadhopurRajasthan, India
    1323.2×
  61. 60FīrozābādUttar Pradesh, India
    1323.2×
  62. 62BhiwandiMaharashtra, India
    1323.2×
  63. 62CallaoCallao, Peru
    1323.2×
  64. 64Dera Colliery TownshipOdisha, India
    1293.1×
  65. 65Islamabadlow-cost sensorsIslamabad, Pakistan
    1263.1×
  66. 66CoronelBiobio, Chile
    1263.0×
  67. 67QuilpuéValparaiso, Chile
    1253.0×
  68. 67BhiwadiRajasthan, India
    1253.0×
  69. 69BarbilOdisha, India
    1253.0×
  70. 70UdaipurRajasthan, India
    1222.9×
  71. 71RairangpurOdisha, India
    1222.9×
  72. 72KigaliKigali, Rwanda
    1212.9×
  73. 73MahādMaharashtra, India
    1202.9×
  74. 74SāngliMaharashtra, India
    1202.9×
  75. 74Puerto AysénAysén, Chile
    1202.9×
  76. 76DushanbeDushanbe, Tajikistan
    1202.9×
  77. 77ManamaManama, Bahrain
    1192.9×
  78. 77JalandharPunjab, India
    1192.9×
  79. 79JodaOdisha, India
    1182.8×
  80. 80AnantapurAndhra Pradesh, India
    1172.8×
  81. 81AngulOdisha, India
    1162.8×
  82. 82RasapūdipalemAndhra Pradesh, India
    1152.8×
  83. 82AgraUttar Pradesh, India
    1152.8×
  84. 82TemucoAraucania, Chile
    1152.8×
  85. 85Greater NoidaUttar Pradesh, India
    1152.7×
  86. 86ConcónValparaiso, Chile
    1152.7×
  87. 87Sri GanganagarRajasthan, India
    1152.7×
  88. 88KohimaNagaland, India
    1142.7×
  89. 89CholulaPuebla, Mexico
    1132.7×
  90. 90CauquenesMaule Region, Chile
    1132.7×
  91. 91SingrauliMadhya Pradesh, India
    1122.7×
  92. 92KalyānMaharashtra, India
    1112.6×
  93. 93TirumalaAndhra Pradesh, India
    1102.6×
  94. 93MonterreyNuevo León, Mexico
    1102.6×
  95. 95VijayawadaAndhra Pradesh, India
    1102.6×
  96. 96BāghpatUttar Pradesh, India
    1092.6×
  97. 97MangaluruKarnataka, India
    1092.6×
  98. 97LimaLima Province, Peru
    1092.6×
  99. 99QuinteroValparaiso, Chile
    1082.5×
  100. 100JakartaJakarta, Indonesia
    1072.5×
  101. 101MeerutUttar Pradesh, India
    1072.5×
  102. 102NagpurMaharashtra, India
    1072.5×
  103. 103PrayagrajUttar Pradesh, India
    1062.5×
  104. 104KolhāpurMaharashtra, India
    1052.5×
  105. 105VrindāvanUttar Pradesh, India
    1052.5×
  106. 106Dubailow-cost sensorsDubai, United Arab Emirates
    1052.5×
  107. 106PāliRajasthan, India
    1052.5×
  108. 106BelpaharOdisha, India
    1052.5×
  109. 109JaipurRajasthan, India
    1042.5×
  110. 109MohaliPunjab, India
    1042.5×
  111. 109MandideepMadhya Pradesh, India
    1042.5×
  112. 112DausaRajasthan, India
    1042.5×
  113. 112BadlapurMaharashtra, India
    1042.5×
  114. 114BegusaraiBihar, India
    1042.4×
  115. 115RangioraCanterbury, New Zealand
    1042.4×
  116. 115NeelankaraiTamil Nadu, India
    1042.4×
  117. 117HāpurUttar Pradesh, India
    1032.4×
  118. 117GorakhpurUttar Pradesh, India
    1032.4×
  119. 117Cadereyta JiménezNuevo León, Mexico
    1032.4×
  120. 120AhmedabadGujarat, India
    1022.4×
  121. 121MalegaonMaharashtra, India
    1022.4×
  122. 121Viña del MarValparaiso, Chile
    1022.4×
  123. 123BilāspurChhattisgarh, India
    1012.4×
  124. 123BaddiHimachal Pradesh, India
    1012.4×
  125. 125JhālāwārRajasthan, India
    1012.4×
  126. 126DhuleMaharashtra, India
    1002.4×
  127. 127SaltilloCoahuila, Mexico
    992.3×
  128. 128San Pedro de la PazBiobio, Chile
    992.3×
  129. 129KadapaAndhra Pradesh, India
    982.3×
  130. 129BhopalMadhya Pradesh, India
    982.3×
  131. 129BhāgalpurBihar, India
    982.3×
  132. 132ĀsansolWest Bengal, India
    982.3×
  133. 132TlaquepaqueJalisco, Mexico
    982.3×
  134. 134Santa CatarinaNuevo León, Mexico
    982.3×
  135. 135PanvelMaharashtra, India
    972.2×
  136. 136ChristchurchCanterbury, New Zealand
    962.2×
  137. 137ChūruRajasthan, India
    962.2×
  138. 137AtlixcoPuebla, Mexico
    962.2×
  139. 139BharatpurRajasthan, India
    962.2×
  140. 140PuducherryPuducherry, India
    962.2×
  141. 140AmīnpurTelangana, India
    962.2×
  142. 142AlwarRajasthan, India
    952.2×
  143. 143RajamahendravaramAndhra Pradesh, India
    952.2×
  144. 143ChennaiTamil Nadu, India
    952.2×
  145. 145TehuacánPuebla, Mexico
    952.2×
  146. 146Ciudad General EscobedoNuevo León, Mexico
    942.2×
  147. 147GwaliorMadhya Pradesh, India
    942.1×
  148. 147CoimbatoreTamil Nadu, India
    942.1×
  149. 147Jardines de la SillaNuevo León, Mexico
    942.1×
  150. 150AjmerRajasthan, India
    942.1×
  151. 151GummidipundiTamil Nadu, India
    932.1×
  152. 152MuzaffarpurBihar, India
    932.1×
  153. 153KollamKerala, India
    932.1×
  154. 154ArāriaBihar, India
    932.1×
  155. 154AlangadKerala, India
    932.1×
  156. 154San Francisco De BorjaLima region, Peru
    932.1×
  157. 154ByasanagarOdisha, India
    932.1×
  158. 158PurniaBihar, India
    932.1×
  159. 159Addis AbabaAddis Ababa, Ethiopia
    922.1×
  160. 159AntofagastaAntofagasta, Chile
    922.1×
  161. 161SerilingampalleTelangana, India
    922.1×
  162. 162HyderabadTelangana, India
    922.1×
  163. 163DewasMadhya Pradesh, India
    912.0×
  164. 163BānswāraRajasthan, India
    912.0×
  165. 165DūngarpurRajasthan, India
    912.0×
  166. 165ConcepciónBiobio, Chile
    912.0×
  167. 167Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    912.0×
  168. 168ThrissurKerala, India
    902.0×
  169. 169ShillongMeghalaya, India
    902.0×
  170. 170ToméBiobio, Chile
    902.0×
  171. 171Wadgaon KolhatiMaharashtra, India
    892.0×
  172. 172ThāneMaharashtra, India
    892.0×
  173. 172AkolaMaharashtra, India
    892.0×
  174. 174JhānsiUttar Pradesh, India
    892.0×
  175. 174GandhinagarGujarat, India
    892.0×
  176. 177Pimpri-ChinchwadMaharashtra, India
    881.9×
  177. 178PueblaPuebla, Mexico
    881.9×
  178. 179SīkarRajasthan, India
    881.9×
  179. 179PatancheruTelangana, India
    881.9×
  180. 181TirupparangunramTamil Nadu, India
    881.9×
  181. 182BaripādaOdisha, India
    871.9×
  182. 182GuadalajaraJalisco, Mexico
    871.9×
  183. 184PratāpgarhRajasthan, India
    871.9×
  184. 184ChittorgarhRajasthan, India
    871.9×
  185. 186TambaramTamil Nadu, India
    871.9×
  186. 187San Luis PotosíSan Luis Potosí, Mexico
    861.9×
  187. 188KotaRajasthan, India
    861.9×
  188. 188DhaulpurRajasthan, India
    861.9×
  189. 188San Martin Texmelucan de LabastidaPuebla, Mexico
    861.9×
  190. 191BūndiRajasthan, India
    861.9×
  191. 192RānīganjWest Bengal, India
    861.8×
  192. 193BhilwaraRajasthan, India
    851.8×
  193. 194AmaravatiAndhra Pradesh, India
    851.8×
  194. 195NavalpattuTamil Nadu, India
    851.8×
  195. 196JhunjhunūnRajasthan, India
    851.8×
  196. 196Santiago de QuerétaroQuerétaro, Mexico
    851.8×
  197. 198OnomichiHiroshima, Japan
    841.8×
  198. 199MungerBihar, India
    841.8×
  199. 199AurangabadMaharashtra, India
    841.8×

Top 200 of 2,553 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 16, 2025, smogrank.com/history/2025-05-16 (accessed 3 Oct 2026).

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