Air quality now
Air quality in Beijing
China
Hazardous — PM2.5 is 6.2× the WHO limit
- PM2.593 µg/m³6.2×
- PM1096 µg/m³2.1×
- NO₂57 µg/m³2.3×
- O₃0 µg/m³—
- SO₂7 µg/m³0.2×
- CO1380 µg/m³0.3×
What you're seeing
Each ball is a pollutant measured in Beijingright 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.