Air quality now
Air quality in Beijing
China
Hazardous — PM2.5 is 4.8× the WHO limit
🚬 Breathing this all day ≈ smoking 3.3 cigarettes
Each ball below is a pollutant measured in Beijing, sized against WHO safe limits — it's a snapshot of the air, not a map.
- PM2.572 µg/m³4.8×
- PM1072 µg/m³1.6×
- NO₂52 µg/m³2.1×
- O₃0 µg/m³—
- SO₂5 µg/m³0.1×
- CO1006 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.