Air quality now
Air quality in Shanghai
China
Above WHO limits — PM2.5 is 1.4× the WHO limit
🚬 Breathing this all day ≈ smoking 0.9 cigarettes
Each ball below is a pollutant measured in Shanghai, sized against WHO safe limits — it's a snapshot of the air, not a map.
- PM2.521 µg/m³1.4×
- PM1028 µg/m³0.6×
- NO₂14 µg/m³0.6×
- O₃88 µg/m³0.9×
- SO₂11 µg/m³0.3×
- CO210 µg/m³0.1×
What you're seeing
Each ball is a pollutant measured in Shanghairight 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.