SmogRank / History / June 6, 2023

Most polluted cities on June 6, 2023

1,298 cities ranked by their average PM2.5 over the day; the worst was Ottawa, Canada, at 138.5 µg/m³. Each city's own local calendar day.

Bad-air episodes during June 6, 2023. All episodes.

← Ottawa 138.5 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for June 6, 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. 1OttawaOntario, Canada
    2149.2×
  2. 2KingstonOntario, Canada
    1927.6×
  3. 3BellevilleOntario, Canada
    1897.3×
  4. 4San CarlosÑuble, Chile
    1867.1×
  5. 5LinaresMaule Region, Chile
    1816.6×
  6. 5ScrantonPennsylvania, United States
    1816.6×
  7. 7CornwallOntario, Canada
    1786.2×
  8. 8ChillánÑuble, Chile
    1776.1×
  9. 9SyracuseNew York, United States
    1756.0×
  10. 10Dhakalow-cost sensorsDhaka Division, Bangladesh
    1715.6×
  11. 11BridgeportConnecticut, United States
    1695.4×
  12. 12New York CityNew York, United States
    1685.3×
  13. 13AllentownPennsylvania, United States
    1665.2×
  14. 14BethlehemPennsylvania, United States
    1665.1×
  15. 15ManamaManama, Bahrain
    1645.0×
  16. 16New CityNew York, United States
    1634.8×
  17. 17CuricóMaule Region, Chile
    1624.7×
  18. 18DanburyConnecticut, United States
    1614.7×
  19. 19AlbanyNew York, United States
    1614.6×
  20. 20UticaNew York, United States
    1594.5×
  21. 21PittsfieldMassachusetts, United States
    1584.3×
  22. 22PeterboroughOntario, Canada
    1574.3×
  23. 23New HavenConnecticut, United States
    1574.3×
  24. 24ReadingPennsylvania, United States
    1564.2×
  25. 25NacimientoBiobio, Chile
    1554.1×
  26. 26DelhiDelhi, India
    1554.1×
  27. 27TalcaMaule Region, Chile
    1544.0×
  28. 28NewburghNew York, United States
    1544.0×
  29. 29Fort LeeNew Jersey, United States
    1533.9×
  30. 30PennsaukenNew Jersey, United States
    1533.9×
  31. 31WaterburyConnecticut, United States
    1533.9×
  32. 32SantiagoSantiago Metropolitan, Chile
    1533.8×
  33. 33New LondonConnecticut, United States
    1523.8×
  34. 34TlaquepaqueJalisco, Mexico
    1523.8×
  35. 34HartfordConnecticut, United States
    1523.8×
  36. 36BayonneNew Jersey, United States
    1503.7×
  37. 37LebanonPennsylvania, United States
    1493.7×
  38. 38RancaguaO'Higgins Region, Chile
    1493.7×
  39. 39NorristownPennsylvania, United States
    1483.6×
  40. 40MaspalomasCanary Islands, Spain
    1473.6×
  41. 40ChesterPennsylvania, United States
    1473.6×
  42. 42Puerto VarasLos Lagos Region, Chile
    1473.6×
  43. 43RochesterNew York, United States
    1463.6×
  44. 44TalaganteSantiago Metropolitan, Chile
    1453.6×
  45. 45WorcesterMassachusetts, United States
    1453.6×
  46. 46BuffaloNew York, United States
    1443.5×
  47. 47KitchenerOntario, Canada
    1433.5×
  48. 48PatersonNew Jersey, United States
    1413.4×
  49. 49Jersey CityNew Jersey, United States
    1403.4×
  50. 50HarrisburgPennsylvania, United States
    1403.4×
  51. 50LancasterPennsylvania, United States
    1403.4×
  52. 52Lincoln ParkMichigan, United States
    1383.4×
  53. 53North ChicopeeMassachusetts, United States
    1373.3×
  54. 53White PlainsNew York, United States
    1373.3×
  55. 55OsornoLos Lagos Region, Chile
    1363.3×
  56. 56GuadalajaraJalisco, Mexico
    1363.3×
  57. 57Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1343.3×
  58. 58GreenfieldMassachusetts, United States
    1333.2×
  59. 59BarrieOntario, Canada
    1323.2×
  60. 60BrantfordOntario, Canada
    1323.2×
  61. 61Fall RiverMassachusetts, United States
    1323.2×
  62. 61St. CatharinesOntario, Canada
    1323.2×
  63. 63MontréalQuebec, Canada
    1313.2×
  64. 64Port HuronMichigan, United States
    1303.2×
  65. 64HempsteadNew York, United States
    1303.2×
  66. 66KolkataWest Bengal, India
    1293.1×
  67. 67St. ThomasOntario, Canada
    1293.1×
  68. 68DetroitMichigan, United States
    1283.1×
  69. 69State CollegePennsylvania, United States
    1273.1×
  70. 70RengoO'Higgins Region, Chile
    1273.1×
  71. 71NorwoodOhio, United States
    1263.1×
  72. 72DaytonOhio, United States
    1253.0×
  73. 73WilmingtonDelaware, United States
    1253.0×
  74. 74LondonOntario, Canada
    1243.0×
  75. 75CincinnatiOhio, United States
    1243.0×
  76. 76HyderabadTelangana, India
    1243.0×
  77. 76MiddletownOhio, United States
    1243.0×
  78. 78ChathamOntario, Canada
    1233.0×
  79. 79CauquenesMaule Region, Chile
    1222.9×
  80. 79La CrosseWisconsin, United States
    1222.9×
  81. 81BaghdadBaghdad, Iraq
    1212.9×
  82. 81CarlislePennsylvania, United States
    1212.9×
  83. 83YorkPennsylvania, United States
    1212.9×
  84. 84BloomingtonIndiana, United States
    1202.9×
  85. 85SarniaOntario, Canada
    1192.9×
  86. 86SpringfieldOhio, United States
    1192.9×
  87. 86ClevelandOhio, United States
    1192.9×
  88. 88DearbornMichigan, United States
    1192.8×
  89. 89DorvalQuebec, Canada
    1182.8×
  90. 90TemucoAraucania, Chile
    1182.8×
  91. 90Fort ThomasKentucky, United States
    1182.8×
  92. 92QuillotaValparaiso, Chile
    1172.8×
  93. 93La UniónLos Ríos Region, Chile
    1172.8×
  94. 93HolbrookNew York, United States
    1172.8×
  95. 95LindenNew Jersey, United States
    1162.8×
  96. 96DublinOhio, United States
    1162.8×
  97. 97ShawiniganQuebec, Canada
    1162.8×
  98. 98IndianapolisIndiana, United States
    1152.8×
  99. 98CheektowagaNew York, United States
    1152.8×
  100. 100JakartaJakarta, Indonesia
    1142.7×
  101. 101BensalemPennsylvania, United States
    1132.7×
  102. 102Winston-SalemNorth Carolina, United States
    1132.7×
  103. 102TaylorMichigan, United States
    1132.7×
  104. 104West MifflinPennsylvania, United States
    1132.7×
  105. 105BearDelaware, United States
    1122.7×
  106. 106HualpénBiobio, Chile
    1122.7×
  107. 107CoyhaiqueAysén, Chile
    1112.6×
  108. 108BrocktonMassachusetts, United States
    1112.6×
  109. 109JeffersonvilleIndiana, United States
    1102.6×
  110. 110SpringdaleArkansas, United States
    1102.6×
  111. 111Puente AltoSantiago Metropolitan, Chile
    1092.6×
  112. 112Rivière-des-Prairies–Pointe-aux-TremblesQuebec, Canada
    1082.6×
  113. 113AkronOhio, United States
    1082.6×
  114. 113HamiltonOntario, Canada
    1082.6×
  115. 115KenmoreNew York, United States
    1082.5×
  116. 116NewarkDelaware, United States
    1072.5×
  117. 117KalamazooMichigan, United States
    1062.5×
  118. 118ClemmonsNorth Carolina, United States
    1062.5×
  119. 119CantonOhio, United States
    1062.5×
  120. 120WilkinsburgPennsylvania, United States
    1052.5×
  121. 121CoventryRhode Island, United States
    1052.5×
  122. 122AltoonaPennsylvania, United States
    1052.5×
  123. 123Los ÁngelesBiobio, Chile
    1042.4×
  124. 124HanoiHanoi, Vietnam
    1042.4×
  125. 125AndersonIndiana, United States
    1032.4×
  126. 126Saint CloudMinnesota, United States
    1032.4×
  127. 127PhiladelphiaPennsylvania, United States
    1032.4×
  128. 127Eau ClaireWisconsin, United States
    1032.4×
  129. 129LimaOhio, United States
    1022.4×
  130. 130Puerto MonttLos Lagos Region, Chile
    1022.4×
  131. 130MedinaOhio, United States
    1022.4×
  132. 130BurlingtonVermont, United States
    1022.4×
  133. 130Weirton HeightsWest Virginia, United States
    1022.4×
  134. 134East Saint LouisIllinois, United States
    1022.4×
  135. 134Saint MichaelMinnesota, United States
    1022.4×
  136. 136PittsburghPennsylvania, United States
    1012.4×
  137. 137ColumbusIndiana, United States
    1012.4×
  138. 137Rose HillVirginia, United States
    1012.4×
  139. 137EriePennsylvania, United States
    1012.4×
  140. 137BrossardQuebec, Canada
    1012.4×
  141. 141ZapopanJalisco, Mexico
    1002.4×
  142. 141MasonOhio, United States
    1002.4×
  143. 143KigaliKigali, Rwanda
    992.3×
  144. 143SteubenvilleOhio, United States
    992.3×
  145. 145TorontoOntario, Canada
    992.3×
  146. 146ElktonMaryland, United States
    992.3×
  147. 146JohnstownPennsylvania, United States
    992.3×
  148. 148ProvidenceRhode Island, United States
    992.3×
  149. 149Puerto AysénAysén, Chile
    982.3×
  150. 149North BayOntario, Canada
    982.3×
  151. 151Greater SudburyOntario, Canada
    982.3×
  152. 152CoronelBiobio, Chile
    982.3×
  153. 152JeffersontownKentucky, United States
    982.3×
  154. 152LouisvilleKentucky, United States
    982.3×
  155. 152Saint-Jean-sur-RichelieuQuebec, Canada
    982.3×
  156. 156Şabāḩ as SālimMubārak al Kabīr, Kuwait
    972.3×
  157. 157JenisonMichigan, United States
    972.2×
  158. 158HualquiBiobio, Chile
    962.2×
  159. 159South BendIndiana, United States
    962.2×
  160. 160CuranilahueBiobio, Chile
    962.2×
  161. 160MadisonWisconsin, United States
    962.2×
  162. 162SpringfieldVirginia, United States
    952.2×
  163. 163LebanonOhio, United States
    952.2×
  164. 163WarrenOhio, United States
    952.2×
  165. 165Grand RapidsMichigan, United States
    942.2×
  166. 165RutlandVermont, United States
    942.2×
  167. 167RichmondVirginia, United States
    942.2×
  168. 168TalcahuanoBiobio, Chile
    942.1×
  169. 168ToledoOhio, United States
    942.1×
  170. 170St. LouisMissouri, United States
    942.1×
  171. 171CharlottesvilleVirginia, United States
    932.1×
  172. 171McKeesportPennsylvania, United States
    932.1×
  173. 173Kathmandulow-cost sensorsBagmati Province, Nepal
    932.1×
  174. 174YpsilantiMichigan, United States
    932.1×
  175. 174MinneapolisMinnesota, United States
    932.1×
  176. 174YoungstownOhio, United States
    932.1×
  177. 177Lexington-FayetteKentucky, United States
    932.1×
  178. 178BurnsvilleMinnesota, United States
    922.1×
  179. 179AntofagastaAntofagasta, Chile
    922.1×
  180. 180Viña del MarValparaiso, Chile
    912.0×
  181. 180Terre HauteIndiana, United States
    912.0×
  182. 180Calumet CityIllinois, United States
    912.0×
  183. 183Valley StationKentucky, United States
    912.0×
  184. 183AnkenyIowa, United States
    912.0×
  185. 185Saint MatthewsKentucky, United States
    912.0×
  186. 185Saint PaulMinnesota, United States
    912.0×
  187. 187RedfordMichigan, United States
    902.0×
  188. 187WaukeshaWisconsin, United States
    902.0×
  189. 189White OakOhio, United States
    902.0×
  190. 190DecaturIllinois, United States
    902.0×
  191. 190ShakopeeMinnesota, United States
    902.0×
  192. 190EwingNew Jersey, United States
    902.0×
  193. 193Bay CityMichigan, United States
    902.0×
  194. 194QuinteroValparaiso, Chile
    902.0×
  195. 195PristinaPristina, Kosovo
    892.0×
  196. 195OwensboroKentucky, United States
    892.0×
  197. 195RoanokeVirginia, United States
    892.0×
  198. 195WaterlooIowa, United States
    892.0×
  199. 199ShenyangLiaoning, China
    892.0×
  200. 199Des MoinesIowa, United States
    892.0×

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, June 6, 2023, smogrank.com/history/2023-06-06 (accessed 2 Oct 2026).

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