Worst air pollution Steenberg Golf Club – Championship Course - Cape Town, today and tomorrow
Today (20 September): Air quality in Steenberg Golf Club – Championship Course is poor. AQI and PM1 are poor; PM2.5 and PM10 are moderate; O3, SO2, and HCHO are fair; NO2 and CO are good. Pollution peaks around 12:00 PM (PM1: 66.3/100).
Tomorrow (21 September 2026): Air quality in Steenberg Golf Club – Championship Course is poor. PM10 decreases to fair; NO2 increases to moderate; all other pollutants stay as today. Pollution peaks around 11:00 PM (PM1: 64.7/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Steenberg Golf Club air quality reflects the southern Constantia Valley position beneath Steenberg Mountain and the Tokai Forest, with vehicle traffic and wine estate and residential operations contributing modest local sources. The Cape's prevailing winds provide reliable ventilation through the Constantia corridor, while the outstanding mountain and forest backdrop creates natural filtration and Steenberg generally maintains good conditions throughout most of the year.
Today - 20 September | Pollution peaks at 12:00
AQI:
Poor
66.3/100
PM2.5 (fine particles):
Moderate
56.8/100
PM10 (coarse particles):
Moderate
43.0/100
NO2 (nitrogen dioxide):
Good
19.9/100
O3 (ozone):
Fair
34.9/100
SO2 (sulfur dioxide):
Fair
33.6/100
CO (carbon monoxide):
Good
1.7/100
HCHO (formaldehyde):
Fair
27.2/100
PM1 (ultrafine particles):
Poor
66.3/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 23:00
AQI:
Poor
64.7/100
PM2.5 (fine particles):
Moderate
52.4/100
PM10 (coarse particles):
Fair
39.4/100
NO2 (nitrogen dioxide):
Moderate
40.3/100
O3 (ozone):
Fair
23.5/100
SO2 (sulfur dioxide):
Fair
39.8/100
CO (carbon monoxide):
Good
2.4/100
HCHO (formaldehyde):
Fair
29.8/100
PM1 (ultrafine particles):
Poor
64.7/100
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Frequently Asked Questions
Is air quality bad in Steenberg Golf Club – Championship Course right now?
On 20 September 2026, overall air quality in Steenberg Golf Club – Championship Course is poor. AQI is the main air quality indicator at 66.3/100. Pollution peaks around 12:00 PM (PM1: 66.3/100).
Will air quality be worse tomorrow in Steenberg Golf Club – Championship Course?
On 21 September 2026, air quality conditions in Steenberg Golf Club – Championship Course will be similar to today, with AQI forecast at poor at 64.7/100. Pollution peaks around 11:00 PM (PM1: 64.7/100).
When is air pollution at its worst in Steenberg Golf Club – Championship Course?
Golfers at Steenberg Golf Club – Championship Course are most likely to notice reduced air quality during the (southern hemisphere) spring pollen peak in September and October, or on hot, still days when local traffic emissions build up. The notorious Cape Doctor southeaster generally provides excellent ventilation, keeping conditions clear and comfortable through most of the summer.
Are air quality levels in Steenberg Golf Club – Championship Course based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 20 September 2026 at 14:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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