Live ranking
Most polluted cities right now
15 world cities ranked by air quality — each value is the worst pollutant as a multiple of the WHO safe limit. Updated continuously.
- 1JakartaIndonesiaHazardousPM2.5 13.0×
- 2JohannesburgSouth AfricaHazardousPM2.5 5.2×
- 3DelhiIndiaHazardousPM2.5 5.0×
- 4DubaiUnited Arab EmiratesHazardousPM2.5 4.1×
- 5Sao PauloBrazilWell above WHO limitsNO₂ 3.0×
- 6BeijingChinaWell above WHO limitsPM2.5 2.9×
- 7SeoulSouth KoreaWell above WHO limitsNO₂ 2.3×
- 8ParisFranceWell above WHO limitsNO₂ 2.1×
- 9MoscowRussiaAbove WHO limitsNO₂ 2.0×
- 10AthensGreeceAbove WHO limitsNO₂ 1.9×
- 11TokyoJapanAbove WHO limitsNO₂ 1.7×
- 12AmsterdamNetherlandsAbove WHO limitsNO₂ 1.6×
- 13Mexico CityMexicoAbove WHO limitsO₃ 1.6×
- 14SingaporeSingaporeAbove WHO limitsPM2.5 1.4×
- 15BerlinGermanyAbove WHO limitsNO₂ 1.4×
Cleanest air right now
- 1AucklandNew ZealandClean airO₃ 0.5×
- 2HelsinkiFinlandClean airO₃ 0.5×
- 3DublinIrelandClean airO₃ 0.5×
- 4LondonUnited KingdomWithin WHO limitsO₃ 0.6×
- 5BogotaColombiaWithin WHO limitsNO₂ 0.7×
- 6NairobiKenyaWithin WHO limitsPM2.5 0.7×
- 7RomeItalyWithin WHO limitsO₃ 0.7×
- 8LisbonPortugalWithin WHO limitsO₃ 0.7×
- 9WarsawPolandWithin WHO limitsPM2.5 0.7×
- 10BrusselsBelgiumWithin WHO limitsNO₂ 0.8×
How this works
Each city is scored by its most-exceeded pollutant, normalised against the World Health Organization's 2021 air-quality guidelines (so a score of 3× means three times the level considered safe). Data is live from Open-Meteo / CAMS. Tap any city to see its full live breakdown, or check your own area.