SmogRank / History / May 3, 2024

Most polluted cities on May 3, 2024

2,339 cities ranked by their average PM2.5 over the day; the worst was Delhi, India, at 155.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during May 3, 2024. All episodes.

← Delhi 155.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for May 3, 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. 1DelhiDelhi, India
    23010.3×
  2. 2Kathmandulow-cost sensorsBagmati Province, Nepal
    2098.9×
  3. 3N'DjamenaN’Djaména, Chad
    2078.8×
  4. 4Lahorelow-cost sensorsPunjab, Pakistan
    1937.7×
  5. 5Ubon RatchathaniUbon Ratchathani, Thailand
    1917.5×
  6. 6Chiang RaiChiang Rai, Thailand
    1856.9×
  7. 7LampangLampang, Thailand
    1786.3×
  8. 8Mae SaiChiang Rai, Thailand
    1776.1×
  9. 9NacimientoBiobio, Chile
    1766.1×
  10. 10TlaquepaqueJalisco, Mexico
    1725.7×
  11. 11PhayaoPhayao, Thailand
    1725.7×
  12. 12Dhakalow-cost sensorsDhaka Division, Bangladesh
    1705.5×
  13. 13OsornoLos Lagos Region, Chile
    1675.2×
  14. 14VillarricaAraucania, Chile
    1665.1×
  15. 15PhraePhrae, Thailand
    1655.0×
  16. 16NanNan, Thailand
    1644.9×
  17. 17HyderabadTelangana, India
    1634.9×
  18. 18CuranilahueBiobio, Chile
    1634.9×
  19. 19KalasinKalasin, Thailand
    1614.7×
  20. 20San CarlosÑuble, Chile
    1604.5×
  21. 21SalamancaGuanajuato, Mexico
    1594.4×
  22. 22Si Sa KetSi Sa Ket, Thailand
    1584.4×
  23. 23Chiang MaiChiang Mai, Thailand
    1584.3×
  24. 24MukdahanMukdahan, Thailand
    1564.2×
  25. 25CuricóMaule Region, Chile
    1564.2×
  26. 26ChillánÑuble, Chile
    1564.2×
  27. 27HualpénBiobio, Chile
    1564.1×
  28. 28CairoCairo, Egypt
    1554.1×
  29. 29Amnat CharoenAmnat Charoen, Thailand
    1554.1×
  30. 30SukhothaiSukhothai, Thailand
    1544.0×
  31. 31TemucoAraucania, Chile
    1544.0×
  32. 32Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo
    1543.9×
  33. 33JakartaJakarta, Indonesia
    1533.9×
  34. 34Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1533.9×
  35. 35LoeiLoei, Thailand
    1533.9×
  36. 36Puerto VarasLos Lagos Region, Chile
    1523.8×
  37. 37LamphunLamphun, Thailand
    1513.7×
  38. 38Santa Anita - Los FicusLima region, Peru
    1513.7×
  39. 39La UniónLos Ríos Region, Chile
    1513.7×
  40. 40YasothonYasothon, Thailand
    1483.6×
  41. 40PhichitPhichit, Thailand
    1483.6×
  42. 42PhetchabunPhetchabun, Thailand
    1483.6×
  43. 43Nong Bua LamphuNong Bua Lamphu, Thailand
    1453.5×
  44. 44CoyhaiqueAysén, Chile
    1423.5×
  45. 45Sakon NakhonSakon Nakhon, Thailand
    1413.5×
  46. 46Los ÁngelesBiobio, Chile
    1413.4×
  47. 47Nakhon SawanNakhon Sawan, Thailand
    1403.4×
  48. 48Udon ThaniUdon Thani, Thailand
    1383.4×
  49. 49CoronelBiobio, Chile
    1323.2×
  50. 50Lop BuriLopburi, Thailand
    1303.2×
  51. 51Khon KaenKhon Kaen, Thailand
    1243.0×
  52. 52Roi EtRoi Et, Thailand
    1233.0×
  53. 53TalcaMaule Region, Chile
    1222.9×
  54. 54Puerto AysénAysén, Chile
    1222.9×
  55. 55Vientianelow-cost sensorsVientiane Prefecture, Laos
    1212.9×
  56. 56Kamphaeng PhetKamphaeng Phet, Thailand
    1202.9×
  57. 57ChiguayanteBiobio, Chile
    1202.9×
  58. 58Sing BuriSing Buri, Thailand
    1182.8×
  59. 59RatchaburiRatchaburi, Thailand
    1162.8×
  60. 59RabinalBaja Verapaz, Guatemala
    1162.8×
  61. 61RengoO'Higgins Region, Chile
    1142.7×
  62. 62TalaganteSantiago Metropolitan, Chile
    1142.7×
  63. 63KolkataWest Bengal, India
    1132.7×
  64. 63Nakhon RatchasimaNakhon Ratchasima, Thailand
    1132.7×
  65. 63Chai NatChai Nat, Thailand
    1132.7×
  66. 66ChaiyaphumChaiyaphum, Thailand
    1122.7×
  67. 66TalcahuanoBiobio, Chile
    1122.7×
  68. 68RancaguaO'Higgins Region, Chile
    1112.6×
  69. 69ValdiviaLos Ríos Region, Chile
    1102.6×
  70. 70Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand
    1102.6×
  71. 70Guatemala CityGuatemala, Guatemala
    1102.6×
  72. 72Nakhon PathomNakhon Pathom, Thailand
    1082.6×
  73. 72Bang NaBangkok, Thailand
    1082.6×
  74. 72MonterreyNuevo León, Mexico
    1082.6×
  75. 75Victoria de DurangoDurango, Mexico
    1072.5×
  76. 76PhuketPhuket, Thailand
    1072.5×
  77. 77Nong KhaemBangkok, Thailand
    1062.5×
  78. 78CauquenesMaule Region, Chile
    1052.5×
  79. 79SaraburiSaraburi, Thailand
    1042.4×
  80. 80BangkokBangkok, Thailand
    1032.4×
  81. 81Ban Samae DamBangkok, Thailand
    1032.4×
  82. 82Islamabadlow-cost sensorsIslamabad, Pakistan
    1022.4×
  83. 83PhetchaburiPhetchaburi, Thailand
    1022.4×
  84. 83Hua HinPrachuap Khiri Khan, Thailand
    1022.4×
  85. 83Phra PradaengSamut Prakan, Thailand
    1022.4×
  86. 86Khlong Sam WaBangkok, Thailand
    1022.4×
  87. 87PyeongtaekGyeonggi-do, South Korea
    1012.4×
  88. 88Khlong LuangPathum Thani, Thailand
    992.3×
  89. 89Puente AltoSantiago Metropolitan, Chile
    982.3×
  90. 90Addis AbabaAddis Ababa, Ethiopia
    972.3×
  91. 90ToméBiobio, Chile
    972.3×
  92. 92MissionTexas, United States
    972.3×
  93. 93Nakhon NayokNakhon Nayok, Thailand
    972.3×
  94. 94Mueang NonthaburiNonthaburi, Thailand
    962.2×
  95. 95SeonghwanChungcheongnam-do, South Korea
    962.2×
  96. 96Samut SakhonSamut Sakhon, Thailand
    952.2×
  97. 96Lak SiBangkok, Thailand
    952.2×
  98. 98Si Maha PhotPrachin Buri, Thailand
    952.2×
  99. 99SurinSurin, Thailand
    942.1×
  100. 100SantiagoSantiago Metropolitan, Chile
    932.1×
  101. 101Suphan BuriSuphan Buri, Thailand
    932.1×
  102. 101Bang KapiBangkok, Thailand
    932.1×
  103. 101PubalGyeonggi-do, South Korea
    932.1×
  104. 104San ClementeIca, Peru
    932.1×
  105. 105Puerto MonttLos Lagos Region, Chile
    922.1×
  106. 106Khan Na YaoBangkok, Thailand
    922.1×
  107. 107RanongRanong province, Thailand
    912.0×
  108. 108YeojuGyeonggi-do, South Korea
    912.0×
  109. 109ÖstersundJämtland, Sweden
    902.0×
  110. 109TehuacánPuebla, Mexico
    902.0×
  111. 111ShenyangLiaoning, China
    892.0×
  112. 112Nong ChokBangkok, Thailand
    892.0×
  113. 113Karachilow-cost sensorsSindh, Pakistan
    881.9×
  114. 114AntananarivoAnalamanga, Madagascar
    881.9×
  115. 115ShakopeeMinnesota, United States
    881.9×
  116. 116ConcepciónBiobio, Chile
    881.9×
  117. 117PattaniPattani, Thailand
    871.9×
  118. 118EdinburgTexas, United States
    871.9×
  119. 119GuangzhouGuangdong, China
    871.9×
  120. 120LimaLima Province, Peru
    871.9×
  121. 120CelayaGuanajuato, Mexico
    871.9×
  122. 122San Luis de la PazGuanajuato, Mexico
    861.9×
  123. 123Cheongju-siNorth Chungcheong, South Korea
    861.8×
  124. 124ZhushanTaiwan, Taiwan
    851.8×
  125. 125AnseongGyeonggi-do, South Korea
    851.8×
  126. 126Ban Khlong PrawetBangkok, Thailand
    851.8×
  127. 126Icheon-siGyeonggi-do, South Korea
    851.8×
  128. 128Ban ChangRayong, Thailand
    851.8×
  129. 128AsanChungcheongnam-do, South Korea
    851.8×
  130. 128Lat KrabangBangkok, Thailand
    851.8×
  131. 131Buri RamBuriram, Thailand
    841.8×
  132. 131CheonanChungcheongnam-do, South Korea
    841.8×
  133. 133YesanChungcheongnam-do, South Korea
    831.8×
  134. 133IksanJeollabuk-do, South Korea
    831.8×
  135. 135OsanGyeonggi-do, South Korea
    831.7×
  136. 135GwangmyeongGyeonggi-do, South Korea
    831.7×
  137. 137León de los AldamaGuanajuato, Mexico
    821.7×
  138. 138AshgabatAshgabat, Turkmenistan
    821.7×
  139. 139Bang Bo DistrictSamut Prakan, Thailand
    821.7×
  140. 139SeoulSeoul, South Korea
    821.7×
  141. 139Chinch'ŏnNorth Chungcheong, South Korea
    821.7×
  142. 139Laem ChabangChon Buri, Thailand
    821.7×
  143. 143Şabāḩ as SālimMubārak al Kabīr, Kuwait
    821.7×
  144. 144JungpyongNorth Chungcheong, South Korea
    811.7×
  145. 145GunsanJeollabuk-do, South Korea
    811.7×
  146. 146BelmopanCayo District, Belize
    811.7×
  147. 147BaghdadBaghdad, Iraq
    801.7×
  148. 147YŏnmuChungcheongnam-do, South Korea
    801.7×
  149. 147SejongSejong-si, South Korea
    801.7×
  150. 150Guri-siGyeonggi-do, South Korea
    801.6×
  151. 151Kampalalow-cost sensorsCentral Region, Uganda
    801.6×
  152. 151Jacobo HunterArequipa, Peru
    801.6×
  153. 153QuinteroValparaiso, Chile
    801.6×
  154. 154Ansan-siGyeonggi-do, South Korea
    791.6×
  155. 155Hwaseong-siGyeonggi-do, South Korea
    791.6×
  156. 155San Pedro de la PazBiobio, Chile
    791.6×
  157. 157SuwonGyeonggi-do, South Korea
    781.6×
  158. 158AbasoloGuanajuato, Mexico
    781.6×
  159. 159Surat ThaniSurat Thani, Thailand
    781.6×
  160. 159Wan ChaiWan Chai, Hong Kong
    781.6×
  161. 159TangjinChungcheongnam-do, South Korea
    781.6×
  162. 159Bucheon-siGyeonggi-do, South Korea
    781.6×
  163. 163HanoiHanoi, Vietnam
    781.6×
  164. 163ShanghaiShanghai, China
    781.6×
  165. 165YeongjuGyeongsangbuk-do, South Korea
    781.6×
  166. 165BuanJeollabuk-do, South Korea
    781.6×
  167. 167KimjeJeollabuk-do, South Korea
    771.6×
  168. 168HanamGyeonggi-do, South Korea
    771.5×
  169. 169IrapuatoGuanajuato, Mexico
    771.5×
  170. 170YongkangTaiwan, Taiwan
    771.5×
  171. 171YangonYangon, Myanmar
    761.5×
  172. 171Gimpo-siGyeonggi-do, South Korea
    761.5×
  173. 171IncheonIncheon, South Korea
    761.5×
  174. 171JeongeupJeollabuk-do, South Korea
    761.5×
  175. 175NarathiwatNarathiwat, Thailand
    761.5×
  176. 175SuncheonJeollanam-do, South Korea
    761.5×
  177. 175PohangGyeongsangbuk-do, South Korea
    761.5×
  178. 175NamsaJeollabuk-do, South Korea
    761.5×
  179. 179TainanTaiwan, Taiwan
    761.5×
  180. 179FengshanTakao, Taiwan
    761.5×
  181. 179Chiayi CityTaiwan, Taiwan
    761.5×
  182. 179WanjuJeollabuk-do, South Korea
    761.5×
  183. 183HwadoGyeonggi-do, South Korea
    761.5×
  184. 184DouliuTaiwan, Taiwan
    761.5×
  185. 185Ban Talat BuengChon Buri, Thailand
    751.5×
  186. 185San Miguel de AllendeGuanajuato, Mexico
    751.5×
  187. 187WaegwanGyeongsangbuk-do, South Korea
    751.5×
  188. 188SangjuGyeongsangbuk-do, South Korea
    751.5×
  189. 188Goyang-siGyeonggi-do, South Korea
    751.5×
  190. 190Anyang-siGyeonggi-do, South Korea
    751.5×
  191. 191NonsanChungcheongnam-do, South Korea
    751.5×
  192. 191Ganghwa-gunIncheon, South Korea
    751.5×
  193. 191HongseongChungcheongnam-do, South Korea
    751.5×
  194. 191Eagle PassTexas, United States
    751.5×
  195. 195WŏnjuGangwon-do, South Korea
    741.4×
  196. 195WabuGyeonggi-do, South Korea
    741.4×
  197. 195Birminghamlow-cost sensorsEngland, United Kingdom
    741.4×
  198. 198JangheungJeollanam-do, South Korea
    741.4×
  199. 199PuliTaiwan, Taiwan
    741.4×
  200. 199GwangjuGyeonggi-do, South Korea
    741.4×

Top 200 of 2,339 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 3, 2024, smogrank.com/history/2024-05-03 (accessed 3 Oct 2026).

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