Worst air pollution Blair Atholl Golf & Equestrian Estate – Championship Course - Johannesburg, today and tomorrow

Today (20 September): Air quality in Blair Atholl Golf & Equestrian Estate – Championship Course is moderate. AQI, PM2.5, NO2, SO2, and PM1 are moderate; PM10, O3, and HCHO are fair; CO is good. Pollution peaks around 10:00 PM (PM1: 52.3/100).
Tomorrow (21 September 2026): Air quality in Blair Atholl Golf & Equestrian Estate – Championship Course is very poor. AQI worsens to very poor; PM2.5 increases to very poor; PM10 increases to moderate; NO2 increases to poor; SO2 increases to poor; HCHO increases to poor; PM1 increases to very poor; all other pollutants stay as today. Pollution peaks around 11:00 PM (PM1: 100/100). 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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Blair Atholl's air quality reflects its position near Lanseria in northwestern Johannesburg, with proximity to Lanseria Airport contributing modest aircraft-related sources alongside vehicle traffic on the R512. The estate's open grassland and equestrian land use provide a more rural character than central Johannesburg, and the Highveld's elevation generally supports reasonable ventilation outside winter inversions.

Today - 20 September | Pollution peaks at 22:00

AQI:

Moderate

52.3/100

PM2.5 (fine particles):

Moderate

46.1/100

PM10 (coarse particles):

Fair

28.1/100

NO2 (nitrogen dioxide):

Moderate

41.8/100

O3 (ozone):

Fair

22.5/100

SO2 (sulfur dioxide):

Moderate

40.8/100

CO (carbon monoxide):

Good

1.7/100

HCHO (formaldehyde):

Fair

38.5/100

PM1 (ultrafine particles):

Moderate

52.3/100

Levels show the poorest local air quality during the day

Tomorrow - 21 September | Pollution peaks at 23:00

AQI:

Very poor

100/100

PM2.5 (fine particles):

Very poor

86.1/100

PM10 (coarse particles):

Moderate

59.0/100

NO2 (nitrogen dioxide):

Poor

62.3/100

O3 (ozone):

Fair

25.1/100

SO2 (sulfur dioxide):

Poor

62.9/100

CO (carbon monoxide):

Good

5.4/100

HCHO (formaldehyde):

Poor

70.3/100

PM1 (ultrafine particles):

Very poor

100/100

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Frequently Asked Questions

Is air quality bad in Blair Atholl Golf & Equestrian Estate – Championship Course right now?

On 20 September 2026, overall air quality in Blair Atholl Golf & Equestrian Estate – Championship Course is moderate. AQI is the main air quality indicator at 52.3/100. Pollution peaks around 10:00 PM (PM1: 52.3/100).

Will air quality be worse tomorrow in Blair Atholl Golf & Equestrian Estate – Championship Course?

On 21 September 2026, air quality conditions in Blair Atholl Golf & Equestrian Estate – Championship Course will be worse than today, with AQI forecast at very poor at 100/100. Pollution peaks around 11:00 PM (PM1: 100/100).

When is air pollution at its worst in Blair Atholl Golf & Equestrian Estate – Championship Course?

Blair Atholl's location near Lanseria means light aircraft traffic occasionally adds to the mix, though the estate's open equestrian land and lower housing density generally keep air quality better than in denser Johannesburg suburbs. Winter mornings remain the main exception, when still air can trap dust from the surrounding grassland.

Are air quality levels in Blair Atholl Golf & Equestrian Estate – 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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