Air quality now
Air quality in Sao Paulo
Brazil
Above WHO limits — O₃ is 1.4× the WHO limit
🚬 Breathing this all day ≈ smoking 0.4 cigarettes
Each ball below is a pollutant measured in Sao Paulo, sized against WHO safe limits — it's a snapshot of the air, not a map.
- PM2.59 µg/m³0.6×
- PM109 µg/m³0.2×
- NO₂1 µg/m³0.0×
- O₃138 µg/m³1.4×
- SO₂5 µg/m³0.1×
- CO194 µg/m³0.0×
What you're seeing
Each ball is a pollutant measured in Sao Pauloright 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.