Air quality now
Air quality in Tokyo
Japan
Well above WHO limits — NO₂ is 2.1× the WHO limit
- PM2.526 µg/m³1.7×
- PM1027 µg/m³0.6×
- NO₂53 µg/m³2.1×
- O₃3 µg/m³0.0×
- SO₂38 µg/m³1.0×
- CO175 µg/m³0.0×
What you're seeing
Each ball is a pollutant measured in Tokyoright now. The more balls of a colour, the more of that pollutant is in the air — normalised against the World Health Organization's safe limits, so a hazy city looks unmistakably denser than a clean one. Data is live from Open-Meteo / CAMS. How Polly works →
Want your own city and a hay-fever pollen view? Open the live map, or track your symptoms against the air.