Worst air pollution Mhluzi - Middelburg, today and tomorrow
Today (20 September): Air quality in Mhluzi is moderate. AQI and PM2.5 are moderate; PM1 is fair; PM10, NO2, O3, SO2, CO, and HCHO are good. Pollution peaks around 11:00 PM (PM2.5: 40.0/100).
Tomorrow (21 September 2026): Air quality in Mhluzi is moderate. PM10 increases to fair; NO2 increases to moderate; SO2 increases to moderate; PM1 increases to moderate; all other pollutants stay as today. Pollution peaks around 6:00 PM (NO2: 58.3/100). Airmine updates local air quality forecasts four times daily.
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Mhluzi lies roughly 160 km west-southwest of Nelspruit. Air quality at Mhluzi is shaped by its Highveld plateau setting, where vehicle traffic and coal mining and power station operations are the main local sources of particulate pollution. Dry winter mornings often see temperature inversions trap emissions near the surface, while summer rains and afternoon winds typically improve dispersal conditions. This mirrors what's typical for towns across the wider plateau region.
Today - 20 September | Pollution peaks at 23:00
AQI:
Moderate
40.0/100
PM2.5 (fine particles):
Moderate
40.0/100
PM10 (coarse particles):
Good
15.0/100
NO2 (nitrogen dioxide):
Good
17.0/100
O3 (ozone):
Good
17.5/100
SO2 (sulfur dioxide):
Good
7.3/100
CO (carbon monoxide):
Good
0.7/100
HCHO (formaldehyde):
Good
4.1/100
PM1 (ultrafine particles):
Fair
38.4/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 18:00
AQI:
Moderate
58.3/100
PM2.5 (fine particles):
Moderate
53.2/100
PM10 (coarse particles):
Fair
32.5/100
NO2 (nitrogen dioxide):
Moderate
58.3/100
O3 (ozone):
Good
18.0/100
SO2 (sulfur dioxide):
Moderate
44.2/100
CO (carbon monoxide):
Good
0.9/100
HCHO (formaldehyde):
Good
6.8/100
PM1 (ultrafine particles):
Moderate
54.9/100
Other Landmarks in Middelburg
Sports venues in Middelburg
Frequently Asked Questions
Is air quality bad in Mhluzi right now?
On 20 September 2026, overall air quality in Mhluzi is moderate. AQI is the main air quality indicator at 40.0/100. Pollution peaks around 11:00 PM (PM2.5: 40.0/100).
Will air quality be worse tomorrow in Mhluzi?
On 21 September 2026, air quality conditions in Mhluzi will be similar to today, with AQI forecast at moderate at 58.3/100. Pollution peaks around 6:00 PM (NO2: 58.3/100).
When is air pollution at its worst in Mhluzi?
The dry Highveld winter brings the worst air quality to Mhluzi, as calm mornings let emissions from coal mining and power station operations linger close to the ground. Once summer rains arrive around November, stronger winds and regular storms typically clear the air across the wider plateau, a seasonal pattern typical of the wider Highveld plateau.
Are air quality levels in Mhluzi 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 20:27 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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