Air quality now
Air quality in Shanghai
China
Hazardous — PM2.5 is 5.0× the WHO limit
🚬 Breathing this all day ≈ smoking 3.4 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.
- PM2.575 µg/m³5.0×
- PM1082 µg/m³1.8×
- NO₂102 µg/m³4.1×
- O₃1 µg/m³0.0×
- SO₂6 µg/m³0.1×
- CO292 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.