SmogRank / History / May 10, 2023

Most polluted cities on May 10, 2023

1,298 cities ranked by their average PM2.5 over the day; the worst was Osorno, Chile, at 150.0 µg/m³. Each city's own local calendar day.

← Osorno 150.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for May 10, 2023, 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. 1OsornoLos Lagos Region, Chile
    22510.0×
  2. 2LinaresMaule Region, Chile
    2088.9×
  3. 3TlaquepaqueJalisco, Mexico
    1715.6×
  4. 4Lahorelow-cost sensorsPunjab, Pakistan
    1695.4×
  5. 5DelhiDelhi, India
    1695.4×
  6. 6Dhakalow-cost sensorsDhaka Division, Bangladesh
    1685.3×
  7. 6TalcaMaule Region, Chile
    1685.3×
  8. 8CoyhaiqueAysén, Chile
    1675.2×
  9. 9CuricóMaule Region, Chile
    1655.1×
  10. 10CoronelBiobio, Chile
    1594.5×
  11. 11La UniónLos Ríos Region, Chile
    1564.2×
  12. 12TalaganteSantiago Metropolitan, Chile
    1544.0×
  13. 13NacimientoBiobio, Chile
    1544.0×
  14. 14AstanaAstana, Kazakhstan
    1533.9×
  15. 15HualquiBiobio, Chile
    1533.9×
  16. 16RancaguaO'Higgins Region, Chile
    1513.7×
  17. 17Kathmandulow-cost sensorsBagmati Province, Nepal
    1503.7×
  18. 18SantiagoSantiago Metropolitan, Chile
    1493.7×
  19. 19HyderabadTelangana, India
    1463.6×
  20. 20JakartaJakarta, Indonesia
    1413.5×
  21. 21Viña del MarValparaiso, Chile
    1403.4×
  22. 21Puerto VarasLos Lagos Region, Chile
    1403.4×
  23. 23QuillotaValparaiso, Chile
    1403.4×
  24. 24Grande PrairieAlberta, Canada
    1403.4×
  25. 25San CarlosÑuble, Chile
    1393.4×
  26. 26ToméBiobio, Chile
    1313.2×
  27. 27ChillánÑuble, Chile
    1303.1×
  28. 28TemucoAraucania, Chile
    1293.1×
  29. 29CuranilahueBiobio, Chile
    1263.1×
  30. 30KolkataWest Bengal, India
    1212.9×
  31. 30ConcónValparaiso, Chile
    1212.9×
  32. 32Fort St. JohnBritish Columbia, Canada
    1212.9×
  33. 33CoquimboCoquimbo Region, Chile
    1202.9×
  34. 34RabinalBaja Verapaz, Guatemala
    1202.9×
  35. 34Guatemala CityGuatemala, Guatemala
    1202.9×
  36. 34TalcahuanoBiobio, Chile
    1202.9×
  37. 37QuinteroValparaiso, Chile
    1192.9×
  38. 37ConcepciónBiobio, Chile
    1192.9×
  39. 39Puerto AysénAysén, Chile
    1132.7×
  40. 40ValdiviaLos Ríos Region, Chile
    1132.7×
  41. 41LotaBiobio, Chile
    1112.6×
  42. 42AshgabatAshgabat, Turkmenistan
    1092.6×
  43. 43ManamaManama, Bahrain
    1082.5×
  44. 43AlgecirasAndalusia, Spain
    1082.5×
  45. 45CelayaGuanajuato, Mexico
    1062.5×
  46. 46Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1062.5×
  47. 46CauquenesMaule Region, Chile
    1062.5×
  48. 48Addis AbabaAddis Ababa, Ethiopia
    992.3×
  49. 49BeijingBeijing, China
    992.3×
  50. 50Puerto MonttLos Lagos Region, Chile
    992.3×
  51. 51La SerenaCoquimbo Region, Chile
    982.3×
  52. 52Kampalalow-cost sensorsCentral Region, Uganda
    972.2×
  53. 53GuangzhouGuangdong, China
    962.2×
  54. 54Ciudad JuárezChihuahua, Mexico
    962.2×
  55. 55CopiapóAtacama, Chile
    962.2×
  56. 56Şabāḩ as SālimMubārak al Kabīr, Kuwait
    952.2×
  57. 57Hacienda Santa FeJalisco, Mexico
    952.2×
  58. 58BaghdadBaghdad, Iraq
    942.1×
  59. 58ChiguayanteBiobio, Chile
    942.1×
  60. 60SalorTashkent Region, Uzbekistan
    932.1×
  61. 61MumbaiMaharashtra, India
    922.1×
  62. 62Puente AltoSantiago Metropolitan, Chile
    922.1×
  63. 63Karachilow-cost sensorsSindh, Pakistan
    902.0×
  64. 64AntofagastaAntofagasta, Chile
    902.0×
  65. 65Prince GeorgeBritish Columbia, Canada
    892.0×
  66. 66ChennaiTamil Nadu, India
    892.0×
  67. 67BeneventoCampania, Italy
    881.9×
  68. 68San Pedro de la PazBiobio, Chile
    881.9×
  69. 69Los ÁngelesBiobio, Chile
    861.8×
  70. 70BakuBaki, Azerbaijan
    851.8×
  71. 70SalamancaGuanajuato, Mexico
    851.8×
  72. 72HanoiHanoi, Vietnam
    831.8×
  73. 73IndioCalifornia, United States
    821.7×
  74. 74Fort McMurrayAlberta, Canada
    811.7×
  75. 75Alto HospicioTarapacá, Chile
    801.6×
  76. 76TocopillaAntofagasta, Chile
    801.6×
  77. 77Naucalpan de JuárezMéxico, Mexico
    801.6×
  78. 78Mexico CityMexico City, Mexico
    791.6×
  79. 79AricaArica y Parinacota Region, Chile
    791.6×
  80. 80ColomboWestern Province, Sri Lanka
    761.5×
  81. 81PristinaPristina, Kosovo
    761.5×
  82. 82Nong KhaemBangkok, Thailand
    751.5×
  83. 83Banja LukaSrpska, Bosnia and Herzegovina
    741.4×
  84. 84Tha BoNong Khai, Thailand
    731.4×
  85. 85Las Palmas de Gran CanariaCanary Islands, Spain
    731.4×
  86. 86BrawleyCalifornia, United States
    721.4×
  87. 87ConakryConakry, Guinea
    721.4×
  88. 88Islamabadlow-cost sensorsIslamabad, Pakistan
    711.3×
  89. 89AntananarivoAnalamanga, Madagascar
    701.3×
  90. 90BangkokBangkok, Thailand
    701.3×
  91. 91DushanbeDushanbe, Tajikistan
    681.2×
  92. 92Nakhon PathomNakhon Pathom, Thailand
    671.2×
  93. 92EdinburgTexas, United States
    671.2×
  94. 94Khlong LuangPathum Thani, Thailand
    661.2×
  95. 94LaredoTexas, United States
    661.2×
  96. 96Bang Bo DistrictSamut Prakan, Thailand
    661.1×
  97. 96DetroitMichigan, United States
    661.1×
  98. 98Mueang NonthaburiNonthaburi, Thailand
    661.1×
  99. 99PrešovPrešov Region, Slovakia
    661.1×
  100. 100CalamaAntofagasta, Chile
    651.1×
  101. 100Silao de la VictoriaGuanajuato, Mexico
    651.1×
  102. 102León de los AldamaGuanajuato, Mexico
    651.1×
  103. 103Phra PradaengSamut Prakan, Thailand
    651.1×
  104. 104Bang KapiBangkok, Thailand
    651.1×
  105. 105KigaliKigali, Rwanda
    641.1×
  106. 105ModugnoApulia, Italy
    641.1×
  107. 105San Luis de la PazGuanajuato, Mexico
    641.1×
  108. 108PesaroThe Marches, Italy
    641.1×
  109. 108San JoséSan José, Costa Rica
    641.1×
  110. 110IrapuatoGuanajuato, Mexico
    641.1×
  111. 111KaunasKaunas, Lithuania
    631.0×
  112. 111Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    631.0×
  113. 111ArrecifeCanary Islands, Spain
    631.0×
  114. 111Český TěšínMoravian-Silesian Region, Czechia
    631.0×
  115. 115GuanajuatoGuanajuato, Mexico
    631.0×
  116. 115YumaArizona, United States
    631.0×
  117. 117San Miguel de AllendeGuanajuato, Mexico
    631.0×
  118. 117Lincoln ParkMichigan, United States
    631.0×
  119. 117SocorroTexas, United States
    631.0×
  120. 120WolfsbergCarinthia, Austria
    621.0×
  121. 121NaplesCampania, Italy
    621.0×
  122. 121JesiThe Marches, Italy
    621.0×
  123. 123AcharnésAttica, Greece
    621.0×
  124. 124HernandoMississippi, United States
    611.0×
  125. 125VisbyGotland, Sweden
    611.0×
  126. 125DearbornMichigan, United States
    611.0×
  127. 127La OrotavaCanary Islands, Spain
    611.0×
  128. 128AntwerpFlanders, Belgium
    611.0×
  129. 129PardubicePardubice Region, Czechia
    610.9×
  130. 129Corpus ChristiTexas, United States
    610.9×
  131. 131TexarkanaTexas, United States
    600.9×
  132. 132HueytownAlabama, United States
    600.9×
  133. 133IzegemFlanders, Belgium
    600.9×
  134. 133SarajevoFederation of B&H, Bosnia and Herzegovina
    600.9×
  135. 135Samut PrakanSamut Prakan, Thailand
    600.9×
  136. 135Ponte Vedra BeachFlorida, United States
    600.9×
  137. 137JeddahMecca Region, Saudi Arabia
    590.9×
  138. 137ArucasCanary Islands, Spain
    590.9×
  139. 137EvergemFlanders, Belgium
    590.9×
  140. 137RedfordMichigan, United States
    590.9×
  141. 137HobbsNew Mexico, United States
    590.9×
  142. 137Rouyn-NorandaQuebec, Canada
    590.9×
  143. 143SliemaTas-Sliema, Malta
    590.9×
  144. 144BeverenFlanders, Belgium
    590.9×
  145. 145KrefeldNorth Rhine-Westphalia, Germany
    590.9×
  146. 145Fruit CoveFlorida, United States
    590.9×
  147. 147StabroekFlanders, Belgium
    580.9×
  148. 147KapellenFlanders, Belgium
    580.9×
  149. 147BremenBremen, Germany
    580.9×
  150. 147MaconGeorgia, United States
    580.9×
  151. 151La Línea de la ConcepciónAndalusia, Spain
    580.9×
  152. 151GrazStyria, Austria
    580.9×
  153. 151AlbanyGeorgia, United States
    580.9×
  154. 151HammondIndiana, United States
    580.9×
  155. 155IngenioCanary Islands, Spain
    580.9×
  156. 155ZwijndrechtFlanders, Belgium
    580.9×
  157. 155Daytona BeachFlorida, United States
    580.9×
  158. 158Puerto del RosarioCanary Islands, Spain
    580.9×
  159. 158BerounCentral Bohemia, Czechia
    580.9×
  160. 158TurinPiedmont, Italy
    580.9×
  161. 158BirminghamAlabama, United States
    580.9×
  162. 158EdmontonAlberta, Canada
    580.9×
  163. 163DunaújvárosFejér, Hungary
    580.8×
  164. 164CandelariaCanary Islands, Spain
    580.8×
  165. 164ValdostaGeorgia, United States
    580.8×
  166. 164Warner RobinsGeorgia, United States
    580.8×
  167. 164ClevelandOhio, United States
    580.8×
  168. 168Santa Cruz de la PalmaCanary Islands, Spain
    570.8×
  169. 168MaldegemFlanders, Belgium
    570.8×
  170. 168DattelnNorth Rhine-Westphalia, Germany
    570.8×
  171. 168Coconut CreekFlorida, United States
    570.8×
  172. 168Las CrucesNew Mexico, United States
    570.8×
  173. 173WaregemFlanders, Belgium
    570.8×
  174. 173BorkenNorth Rhine-Westphalia, Germany
    570.8×
  175. 173JacksonvilleFlorida, United States
    570.8×
  176. 173BrunswickGeorgia, United States
    570.8×
  177. 173Calumet CityIllinois, United States
    570.8×
  178. 173Oak LawnIllinois, United States
    570.8×
  179. 173MilwaukeeWisconsin, United States
    570.8×
  180. 173Eagle PassTexas, United States
    570.8×
  181. 173DrummondvilleQuebec, Canada
    570.8×
  182. 182VentspilsVentspils, Latvia
    570.8×
  183. 182RuseRuse, Bulgaria
    570.8×
  184. 182MaspalomasCanary Islands, Spain
    570.8×
  185. 182GelsenkirchenNorth Rhine-Westphalia, Germany
    570.8×
  186. 186Almatylow-cost sensorsAlmaty, Kazakhstan
    570.8×
  187. 186GentFlanders, Belgium
    570.8×
  188. 186Falconara MarittimaThe Marches, Italy
    570.8×
  189. 186SavannahGeorgia, United States
    570.8×
  190. 186Arroyo GrandeCalifornia, United States
    570.8×
  191. 191Spišská Nová VesKošice Region, Slovakia
    570.8×
  192. 191GraysEngland, United Kingdom
    570.8×
  193. 191WillebroekFlanders, Belgium
    570.8×
  194. 194DěčínÚstí nad Labem Region, Czechia
    560.8×
  195. 195LochristiFlanders, Belgium
    560.8×
  196. 195AnconaThe Marches, Italy
    560.8×
  197. 195Cedar CityUtah, United States
    560.8×
  198. 198KalamazooMichigan, United States
    560.8×
  199. 198MinneapolisMinnesota, United States
    560.8×
  200. 200Samut SakhonSamut Sakhon, Thailand
    560.8×

Top 200 of 1,298 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

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SmogRank, most polluted cities, PM2.5, May 10, 2023, smogrank.com/history/2023-05-10 (accessed 2 Oct 2026).

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