Air quality now
Air quality in Johannesburg
South Africa
Above WHO limits — PM2.5 is 1.9× the WHO limit
🚬 Breathing this all day ≈ smoking 1.3 cigarettes
Each ball below is a pollutant measured in Johannesburg, sized against WHO safe limits — it's a snapshot of the air, not a map.
- PM2.529 µg/m³1.9×
- PM1029 µg/m³0.6×
- NO₂7 µg/m³0.3×
- O₃187 µg/m³1.9×
- SO₂39 µg/m³1.0×
- CO283 µg/m³0.1×
What you're seeing
Each ball is a pollutant measured in Johannesburgright 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.