Kempton Park Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (10 October): Air quality in Kempton Park is poor. AQI and NO2 are poor; PM2.5, O3, and PM1 are moderate; PM10, SO2, and HCHO are fair; CO is good. Pollution peaks around 7:00 PM (NO2: 68.3/100).
Air Quality Tomorrow
Tomorrow (11 October 2026): Air quality in Kempton Park is poor. O3 decreases to fair; SO2 increases to moderate; HCHO increases to moderate; all other pollutants stay as today. Pollution peaks around 7:00 PM (NO2: 70.3/100).
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Air Quality
Today - 10 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Poor | 68.3/100 |
| PM2.5 (fine particles) | Moderate | 48.1/100 |
| PM10 (coarse particles) | Fair | 32.3/100 |
| NO2 (nitrogen dioxide) | Poor | 68.3/100 |
| O3 (ozone) | Moderate | 53.1/100 |
| SO2 (sulfur dioxide) | Fair | 28.5/100 |
| CO (carbon monoxide) | Good | 1.3/100 |
| HCHO (formaldehyde) | Fair | 33.1/100 |
| PM1 (ultrafine particles) | Moderate | 54.6/100 |
Tomorrow - 11 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Poor | 70.3/100 |
| PM2.5 (fine particles) | Moderate | 49.7/100 |
| PM10 (coarse particles) | Fair | 34.9/100 |
| NO2 (nitrogen dioxide) | Poor | 70.3/100 |
| O3 (ozone) | Fair | 37.3/100 |
| SO2 (sulfur dioxide) | Moderate | 40.5/100 |
| CO (carbon monoxide) | Good | 1.9/100 |
| HCHO (formaldehyde) | Moderate | 43.1/100 |
| PM1 (ultrafine particles) | Moderate | 56.8/100 |
Local Environmental Conditions
With buildings covering much of the area around Kempton Park, traffic and other urban emissions are the biggest local influence on air quality. The airport adds to local emissions. On some days, pollution drifting in from farther away outweighs local sources. Levels are generally highest right next to busy roads and drop off quickly with distance.
Hot afternoons from November to March, averaging 22°C in the warmest month, are when ozone is most likely to build up. From June to August, temperatures near 10°C let smoke and particles from home heating and traffic build up, especially on cold, still mornings. September is usually the windiest month, averaging about 15 km/h, which helps keep the air clean.
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Frequently Asked Questions About Air Quality in Gauteng
Is air quality bad in Kempton Park right now?
On 10 October 2026, overall air quality in Kempton Park is poor. AQI is the main air quality indicator at 68.3/100. Pollution peaks around 7:00 PM (NO2: 68.3/100).
Will air quality be worse tomorrow in Kempton Park?
On 11 October 2026, air quality conditions in Kempton Park will be similar to today, with AQI forecast at poor at 70.3/100. Pollution peaks around 7:00 PM (NO2: 70.3/100).
When is air pollution at its worst in Kempton Park?
Hot afternoons from November to March, averaging 22°C in the warmest month, are when ozone is most likely to build up. From June to August, temperatures near 10°C let smoke and particles from home heating and traffic build up, especially on cold, still mornings. September is usually the windiest month, averaging about 15 km/h, which helps keep the air clean.
Are air quality levels in Kempton Park 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.
Understanding the Scale
The 0–100 air quality scores represent risk levels, not direct air pollutant concentrations. Higher scores indicate higher risk.
Air Quality
| Good | 0-20 | Low air quality risk. Air quality is expected to be good, with low levels of pollution. |
| Fair | 20-40 | Generally low air quality risk. Air quality is expected to be acceptable, with some pollution present. |
| Moderate | 40-60 | Moderate air quality risk. Air pollution is elevated and air quality may be less favorable. |
| Poor | 60-80 | High air quality risk. Air pollution is high and air quality is expected to be poor. |
| Very Poor | 80-100 | Very high air quality risk. Air pollution is very high and air quality is expected to be very poor. |