Worst air pollution Hartbeespoort Dam - Brits, today and tomorrow

Today (20 September): Air quality in Hartbeespoort Dam is moderate. AQI, PM2.5, and PM1 are moderate; PM10, NO2, O3, SO2, CO, and HCHO are good. Pollution peaks around 7:00 AM (PM1: 42.5/100).
Tomorrow (21 September 2026): Air quality in Hartbeespoort Dam is poor. AQI worsens to poor; PM2.5 increases to poor; PM10 increases to moderate; NO2 increases to fair; O3 increases to fair; SO2 increases to moderate; HCHO increases to moderate; PM1 increases to poor; all other pollutants stay as today. Pollution peaks around 11:00 PM (PM1: 77.1/100). Airmine updates local air quality forecasts four times daily.

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Hartbeespoort Dam lies roughly 220 km east of Mahikeng. At Hartbeespoort Dam, vehicle traffic and platinum mining and tourism operations drive most of the local emissions picture in this bushveld setting. Dry winter days can see dust and smoke accumulate under still conditions, while the onset of summer rains generally clears the air across the wider savanna. Similar patterns show up in most bushveld towns of a similar size.

Today - 20 September | Pollution peaks at 07:00

AQI:

Moderate

42.5/100

PM2.5 (fine particles):

Moderate

41.3/100

PM10 (coarse particles):

Good

17.5/100

NO2 (nitrogen dioxide):

Good

16.4/100

O3 (ozone):

Good

19.2/100

SO2 (sulfur dioxide):

Good

12.8/100

CO (carbon monoxide):

Good

0.9/100

HCHO (formaldehyde):

Good

19.8/100

PM1 (ultrafine particles):

Moderate

42.5/100

Levels show the poorest local air quality during the day

Tomorrow - 21 September | Pollution peaks at 23:00

AQI:

Poor

77.1/100

PM2.5 (fine particles):

Poor

69.9/100

PM10 (coarse particles):

Moderate

45.4/100

NO2 (nitrogen dioxide):

Fair

39.5/100

O3 (ozone):

Fair

25.3/100

SO2 (sulfur dioxide):

Moderate

47.1/100

CO (carbon monoxide):

Good

2.8/100

HCHO (formaldehyde):

Moderate

42.8/100

PM1 (ultrafine particles):

Poor

77.1/100

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Frequently Asked Questions

Is air quality bad in Hartbeespoort Dam right now?

On 20 September 2026, overall air quality in Hartbeespoort Dam is moderate. AQI is the main air quality indicator at 42.5/100. Pollution peaks around 7:00 AM (PM1: 42.5/100).

Will air quality be worse tomorrow in Hartbeespoort Dam?

On 21 September 2026, air quality conditions in Hartbeespoort Dam will be worse than today, with AQI forecast at poor at 77.1/100. Pollution peaks around 11:00 PM (PM1: 77.1/100).

When is air pollution at its worst in Hartbeespoort Dam?

Hartbeespoort Dam's poorest air quality typically comes in the dry winter season, when dust from platinum mining and tourism operations builds up on calm days across the surrounding savanna. From November, the summer rains usually clear the air and keep conditions favourable for the rest of the season, a seasonal pattern typical of the broader bushveld region.

Are air quality levels in Hartbeespoort Dam 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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