Air quality now
Air quality in Beijing
China
Well above WHO limits — PM2.5 is 3.4× the WHO limit
🚬 Breathing this all day ≈ smoking 2.3 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.
- PM2.551 µg/m³3.4×
- PM1051 µg/m³1.1×
- NO₂69 µg/m³2.8×
- O₃0 µg/m³—
- SO₂4 µg/m³0.1×
- CO694 µg/m³0.2×
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.