Worst air pollution Bellville, today and tomorrow

Today (20 September): Air quality in Bellville is poor. AQI, PM2.5, and PM1 are poor; PM10 is moderate; NO2, O3, SO2, and HCHO are fair; CO is good. Pollution peaks around 4:00 PM (PM1: 61.3/100).
Tomorrow (21 September 2026): Air quality in Bellville is poor. PM2.5 decreases to moderate; NO2 increases to moderate; SO2 increases to moderate; all other pollutants stay as today. Pollution peaks around 10:00 PM (PM1: 63.0/100). 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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In Bellville, traffic is comparatively light, so nearby farmland dust and seasonal burning shape air quality more than road congestion. Tree cover nearby helps soften the local particulate load to a degree. Day-to-day readings still shift with wind direction, traffic volume, and weather conditions. Local monitoring for the wider area tends to track closely with this general pattern.

Today - 20 September | Pollution peaks at 16:00

AQI:

Poor

61.3/100

PM2.5 (fine particles):

Poor

60.2/100

PM10 (coarse particles):

Moderate

44.0/100

NO2 (nitrogen dioxide):

Fair

35.6/100

O3 (ozone):

Fair

39.5/100

SO2 (sulfur dioxide):

Fair

22.0/100

CO (carbon monoxide):

Good

1.5/100

HCHO (formaldehyde):

Fair

30.1/100

PM1 (ultrafine particles):

Poor

61.3/100

Levels show the poorest local air quality during the day

Tomorrow - 21 September | Pollution peaks at 22:00

AQI:

Poor

63.0/100

PM2.5 (fine particles):

Moderate

55.0/100

PM10 (coarse particles):

Moderate

40.3/100

NO2 (nitrogen dioxide):

Moderate

49.1/100

O3 (ozone):

Fair

26.5/100

SO2 (sulfur dioxide):

Moderate

40.3/100

CO (carbon monoxide):

Good

2.5/100

HCHO (formaldehyde):

Fair

32.1/100

PM1 (ultrafine particles):

Poor

63.0/100

Pollen forecast in Bellville

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Frequently Asked Questions

Is air quality bad in Bellville right now?

On 20 September 2026, overall air quality in Bellville is poor. AQI is the main air quality indicator at 61.3/100. Pollution peaks around 4:00 PM (PM1: 61.3/100).

Will air quality be worse tomorrow in Bellville?

On 21 September 2026, air quality conditions in Bellville will be similar to today, with AQI forecast at poor at 63.0/100. Pollution peaks around 10:00 PM (PM1: 63.0/100).

When is air pollution at its worst in Bellville?

The colder months typically bring the heaviest particulate levels of the year, driven by heating season smoke that lingers under stagnant, cold winter air. Summer heat and sun make ozone the leading local air quality issue, with strong sun and heat driving ozone formation, at times worsened by wildfire smoke from farther afield.

Are air quality levels in Bellville 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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