Worst air pollution Orange Grove - Johannesburg, today and tomorrow
Today (9 August): Air quality in Orange Grove is poor. AQI and HCHO are poor; PM10 is fair; PM2.5, NO2, O3, SO2, and PM1 are medium; CO is good. Pollution peaks around 2:00 AM (HCHO: 63.5/100).
Tomorrow (10 August 2026): Air quality in Orange Grove is fair. AQI improves to fair; PM2.5 increases to fair; PM10 decreases to good; NO2 increases to fair; O3 increases to fair; SO2 increases to fair; HCHO decreases to fair; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 9:00 AM (PM1: 29.7/100). Airmine updates local air quality forecasts four times daily.
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Orange Grove deals with the same basic air quality drivers as most Highveld towns: vehicle traffic and government, finance, and commercial operations, both of which matter most on calm winter mornings when a low inversion holds emissions close to the ground. Summer generally undoes this with stronger, more consistent winds. The wider Highveld region generally follows this same rough pattern.
Today - 9 August | Pollution peaks at 02:00
AQI:
Poor
63.5/100
PM2.5 (fine particles):
Medium
50.7/100
PM10 (coarse particles):
Fair
23.7/100
NO2 (nitrogen dioxide):
Medium
40.3/100
O3 (ozone):
Medium
49.5/100
SO2 (sulfur dioxide):
Medium
53.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Poor
63.5/100
PM1 (ultrafine particles):
Medium
57.5/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 09:00
AQI:
Fair
29.7/100
PM2.5 (fine particles):
Fair
23.7/100
PM10 (coarse particles):
Good
6.6/100
NO2 (nitrogen dioxide):
Fair
20.4/100
O3 (ozone):
Fair
20.9/100
SO2 (sulfur dioxide):
Fair
26.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
24.2/100
PM1 (ultrafine particles):
Fair
29.7/100
Other Landmarks in Johannesburg
Sports venues in Johannesburg
Frequently Asked Questions
Is air quality bad in Orange Grove right now?
On 9 August 2026, overall air quality in Orange Grove is poor. AQI is the main air quality indicator at 63.5/100. Pollution peaks around 2:00 AM (HCHO: 63.5/100).
Will air quality be worse tomorrow in Orange Grove?
On 10 August 2026, air quality conditions in Orange Grove will be better than today, with AQI forecast at fair at 29.7/100. Pollution peaks around 9:00 AM (PM1: 29.7/100).
When is air pollution at its worst in Orange Grove?
Winter is the tricky season for air quality at Orange Grove, with calm mornings letting emissions from government, finance, and commercial operations build up under a typical Highveld inversion. Once the rainy season starts around November, conditions generally improve and stay that way into early autumn. This is a familiar pattern across much of the Highveld.
Are air quality levels in Orange Grove 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: 9 August 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.
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