What is the air quality in Cape Town?

Cape Town, South Africa has an annual US AQI of 42 (Reasonable) and average PM2.5 of 7.8 µg/m³, ranking #332 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Cape Town?

November is typically the cleanest month (AQI 39) and April the most polluted (AQI 46).

Where does Cape Town's air quality data come from?

PM2.5: 1998–2026 (monitors 2020–2026, satellite 1998–2020; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Cape Town, South Africa — Air Quality & Clean City Guide 2026

Cape Town Air Quality Data

Global rank	City	Continent	AQI	PM2.5
332	Cape Town, South Africa	Africa & Middle East	AQI 42	PM2.5 7.8 µg/m³