Air quality now
Air quality in Tokyo
Japan
Well above WHO limits — NO₂ is 2.7× the WHO limit
🚬 Breathing this all day ≈ smoking 1.7 cigarettes
Each ball below is a pollutant measured in Tokyo, sized against WHO safe limits — it's a snapshot of the air, not a map.
- PM2.537 µg/m³2.4×
- PM1037 µg/m³0.8×
- NO₂68 µg/m³2.7×
- O₃7 µg/m³0.1×
- SO₂49 µg/m³1.2×
- CO480 µg/m³0.1×
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.