Air quality now
Air quality in Johannesburg
South Africa
Well above WHO limits — PM2.5 is 3.7× the WHO limit
🚬 Breathing this all day ≈ smoking 2.5 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.
- PM2.555 µg/m³3.7×
- PM1056 µg/m³1.2×
- NO₂43 µg/m³1.7×
- O₃44 µg/m³0.4×
- SO₂83 µg/m³2.1×
- CO939 µg/m³0.2×
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.