SmogRank / Rankings

All 2,540 cities by PM2.5, last 24 hours

Every city with enough measurements in this window, worst first.

CPCB in India: no readings since 7 Oct (488 monitors). EEA in Spain: no readings since 10 Oct (310 monitors). Catalonia Medi Ambient I Sostenibilitat in Spain: no readings since 9 Oct (26 monitors). Their cities are missing from this board, not clean.

  1. 1090ThionvilleGrand Est, France 390.5×▲354
  2. 1090BordeauxNew Aquitaine, France 390.5×▼49
  3. 1090PécsBaranya, Hungary 390.5×▲386
  4. 1090PrievidzaTrenčín Region, Slovakia 390.5×▲65
  5. 1090Jelenia GóraLower Silesia, Poland 390.5×▼127
  6. 1090SpringdaleArkansas, United States 390.5×▼643
  7. 1090New BaltimoreMichigan, United States 390.5×▲760
  8. 1090Imperial BeachCalifornia, United States 390.5×▼489
  9. 1109WarsawMazovia, Poland 390.5×▼349
  10. 1109KimhaeGyeongsangnam-do, South Korea 390.5×▼414
  11. 1109OmigawaChiba, Japan 390.5×▼169
  12. 1109KamaishiIwate, Japan 390.5×▼445
  13. 1109SingletonNew South Wales, Australia 390.5×▼542
  14. 1109New LambtonNew South Wales, Australia 390.5×▼193
  15. 1109Velsen-ZuidNorth Holland, The Netherlands 390.5×▲481
  16. 1109Veghellow-cost sensorsNorth Brabant, The Netherlands 390.5×
  17. 1109OytenLower Saxony, Germany 390.5×▲1225
  18. 1109MulhouseGrand Est, France 390.5×▲462
  19. 1109BelfortBourgogne-Franche-Comté, France 390.5×▼67
  20. 1109ZvolenBanská Bystrica Region, Slovakia 390.5×▲191
  21. 1109StudénkaMoravian-Silesian Region, Czechia 390.5×▼36
  22. 1109JihlavaVysocina, Czechia 390.5×▲395
  23. 1109WłocławekKujawsko-Pomorskie, Poland 390.5×▼569
  24. 1109BeneventoCampania, Italy 390.5×▲215
  25. 1109GadsdenAlabama, United States 390.5×
  26. 1109KennerLouisiana, United States 390.5×▲267
  27. 1109Ponca CityOklahoma, United States 390.5×▼530
  28. 1109EastpointeMichigan, United States 390.5×▲894
  29. 1109VermillionSouth Dakota, United States 390.5×▼27
  30. 1109SebastopolCalifornia, United States 390.5×▼43
  31. 1109ScottsbluffNebraska, United States 390.5×▲94
  32. 1109BrantfordOntario, Canada 390.5×▲121
  33. 1109DuncanBritish Columbia, Canada 390.5×▲382
  34. 1109WindsorOntario, Canada 390.5×▲826
  35. 1109LemwerderLower Saxony, Germany 390.5×▲1158
  36. 1136MokpoJeollanam-do, South Korea 380.5×▼1066
  37. 1136ToyonakaOsaka, Japan 380.5×▼272
  38. 1136AyabeKyoto, Japan 380.5×▼515
  39. 1136Thièslow-cost sensorsThies, Senegal 380.5×▼35
  40. 1136WakefieldEngland, United Kingdom 380.5×▼403
  41. 1136VenrayLimburg, The Netherlands 380.5×▲810
  42. 1136Amersfoortlow-cost sensorsUtrecht, The Netherlands 380.5×
  43. 1136SulzbachHesse, Germany 380.5×▲579
  44. 1136České BudějoviceSouth Bohemian Region, Czechia 380.5×▲2
  45. 1136KrakówLesser Poland, Poland 380.5×▲186
  46. 1136CampinasSão Paulo, Brazil 380.5×▼205
  47. 1136Ciudad JuárezChihuahua, Mexico 380.5×▼280
  48. 1136TampaFlorida, United States 380.5×▲591
  49. 1136DouglasGeorgia, United States 380.5×▲167
  50. 1136FlatwoodsKentucky, United States 380.5×▲747
  51. 1136AtascaderoCalifornia, United States 380.5×▼456
  52. 1136WaterdownOntario, Canada 380.5×▲482
  53. 1136ThrakomakedónesAttica, Greece 380.5×▼67
  54. 1154JangheungJeollanam-do, South Korea 380.5×▼776
  55. 1154TsubataIshikawa, Japan 380.5×▼345
  56. 1154KujiIwate, Japan 380.5×▼212
  57. 1154SydneyNew South Wales, Australia 380.5×▼480
  58. 1154MaitlandNew South Wales, Australia 380.5×▼412
  59. 1154RotherhamEngland, United Kingdom 380.5×▼210
  60. 1154SarcellesÎle-de-France, France 380.5×▲291
  61. 1154RoubaixHauts-de-France, France 380.5×▼114
  62. 1154PraguePrague, Czechia 380.5×▲445
  63. 1154ComoLombardy, Italy 380.5×▼77
  64. 1154PiracicabaSão Paulo, Brazil 380.5×▼324
  65. 1154BrunswickGeorgia, United States 380.5×▲148
  66. 1154Highland HeightsKentucky, United States 380.5×▲387
  67. 1154ChalmetteLouisiana, United States 380.5×▲244
  68. 1154WheelersburgOhio, United States 380.5×▲534
  69. 1154SavoyIllinois, United States 380.5×▲393
  70. 1154North AuburnCalifornia, United States 380.5×▼131
  71. 1154Candler-McAfeeGeorgia, United States 380.5×▲404
  72. 1172AthensAttica, Greece 370.4×▼219
  73. 1172Dedovsklow-cost sensorsMoscow Oblast, Russia 370.4×
  74. 1172TakarazukaHyōgo, Japan 370.4×▼260
  75. 1172TraunUpper Austria, Austria 370.4×▲452
  76. 1172OščadnicaŽilina Region, Slovakia 370.4×▼331
  77. 1172HandlováTrenčín Region, Slovakia 370.4×▲305
  78. 1172PřerovOlomouc Region, Czechia 370.4×▼245
  79. 1172KarvináMoravian-Silesian Region, Czechia 370.4×▲251
  80. 1172BiellaPiedmont, Italy 370.4×▲591
  81. 1172São PauloSão Paulo, Brazil 370.4×▼426
  82. 1172FairhopeAlabama, United States 370.4×▲553
  83. 1172HendersonvilleTennessee, United States 370.4×▲206
  84. 1172SouthfieldMichigan, United States 370.4×▲714
  85. 1172AnaheimCalifornia, United States 370.4×▼89
  86. 1186MielecSubcarpathia, Poland 370.4×▼276
  87. 1186KavadarciKavadarci, North Macedonia 370.4×▼625
  88. 1186ToyookaHyōgo, Japan 370.4×▼475
  89. 1186Meppellow-cost sensorsDrenthe, The Netherlands 370.4×
  90. 1186HouthalenFlanders, Belgium 370.4×▲72
  91. 1186WetzlarHesse, Germany 370.4×▲718
  92. 1186Esslingenlow-cost sensorsBaden-Wurttemberg, Germany 370.4×
  93. 1186RokycanyPlzeň Region, Czechia 370.4×▲412
  94. 1186Kędzierzyn-KoźleOpole Voivodeship, Poland 370.4×▲137
  95. 1186Reggio nell'Emilialow-cost sensorsEmilia-Romagna, Italy 370.4×
  96. 1186BorgomaneroPiedmont, Italy 370.4×▼257
  97. 1186WorcesterWestern Cape, South Africa 370.4×▼467
  98. 1186East LakeFlorida, United States 370.4×▲628
  99. 1186Lake MaryFlorida, United States 370.4×▲498
  100. 1186HaysvilleKansas, United States 370.4×▼697

Low-cost sensors: consumer units, counted only in cities with no government-grade monitor; they read close to reference monitors on the whole, but 15 to 25% high in humid air. How we use them.

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 only on their own websites. We are building the reader for China's network. Turkey's network doesn't answer requests from outside the country, so we can't read it. Most cities there are missing from this board, not clean. Why.

Use this board

SmogRank, all cities ranked by mean PM2.5 (µg/m³), last 24 hours to 13 Oct 2026, 01:00 UTC: each city's mean of its hourly values, cities measured in 18 or more of the 24 hours. Monitor data from national networks via OpenAQ and the publishers listed at smogrank.com/sources. smogrank.com/rankings. Ranked on low-cost sensors, with no reference monitor in the city: #1 Queenstown Estate, #3 Gaur, Madhesh, #5 Dubai, #6 Dhaka, #7 Multan, #8 Faisalabad, #9 Gujranwala and #10 Vientiane. Some values from Sensor.Community, ODbL. Some readings from Uzhydromet (Uzbekistan's Hydrometeorological Service); Vietnam's government monitors; Department of Environment, Nepal; Aurassure; RMCAB (Secretaría Distrital de Ambiente, Bogotá); Umhverfisstofnun (Environment Agency of Iceland); Love My Air (City and County of Denver), no reuse terms published.

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You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.

Updated 2026-10-13 01:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some low-cost readings: Sensor.Community, ODbL (data and licence). Some readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Vietnam's government monitors; Department of Environment, Nepal; Aurassure; RMCAB (Secretaría Distrital de Ambiente, Bogotá); Umhverfisstofnun (Environment Agency of Iceland); Love My Air (City and County of Denver), no reuse terms published (why we use them).