Air quality now
Air quality in Johannesburg
South Africa
Above WHO limits — O₃ is 1.3× the WHO limit
🚬 Breathing this all day ≈ smoking 0.7 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.
- PM2.516 µg/m³1.1×
- PM1016 µg/m³0.4×
- NO₂7 µg/m³0.3×
- O₃133 µg/m³1.3×
- SO₂31 µg/m³0.8×
- CO291 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.