Worst air pollution Hatfield - Pretoria, today and tomorrow
Today (9 August): Air quality in Hatfield is fair. PM2.5, NO2, HCHO, and PM1 are fair; AQI, O3, and SO2 are medium; PM10 and CO are good. Pollution peaks around 2:00 PM (O3: 41.9/100).
Tomorrow (10 August 2026): Air quality in Hatfield is fair. AQI worsens to fair; PM2.5 decreases to good; O3 increases to fair; SO2 increases to fair; all other pollutants stay as today. Pollution peaks around 8:00 PM (SO2: 31.1/100). Airmine updates local air quality forecasts four times daily.
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Hatfield lies roughly 50 km north-northeast of Johannesburg. Hatfield's position on the open Highveld plateau means vehicle traffic and government, finance, and commercial operations drive most local emissions, with winter inversions occasionally trapping pollution close to the ground. Summer brings stronger winds and regular thunderstorms that generally keep particulate levels lower across the surrounding area. It's a fairly standard picture for this part of the plateau.
Today - 9 August | Pollution peaks at 14:00
AQI:
Medium
41.9/100
PM2.5 (fine particles):
Fair
30.6/100
PM10 (coarse particles):
Good
8.5/100
NO2 (nitrogen dioxide):
Fair
26.3/100
O3 (ozone):
Medium
41.9/100
SO2 (sulfur dioxide):
Medium
40.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
27.7/100
PM1 (ultrafine particles):
Fair
38.2/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 20:00
AQI:
Fair
31.1/100
PM2.5 (fine particles):
Good
15.1/100
PM10 (coarse particles):
Good
4.1/100
NO2 (nitrogen dioxide):
Fair
22.3/100
O3 (ozone):
Fair
26.5/100
SO2 (sulfur dioxide):
Fair
31.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
20.1/100
PM1 (ultrafine particles):
Fair
20.6/100
Other Landmarks in Pretoria
Sports venues in Pretoria
Frequently Asked Questions
Is air quality bad in Hatfield right now?
On 9 August 2026, overall air quality in Hatfield is fair. PM1 is the main pollutant at 38.2/100. Pollution peaks around 2:00 PM (O3: 41.9/100).
Will air quality be worse tomorrow in Hatfield?
On 10 August 2026, air quality conditions in Hatfield will be similar to today, with AQI forecast at fair at 31.1/100. Pollution peaks around 8:00 PM (SO2: 31.1/100).
When is air pollution at its worst in Hatfield?
Winter is when air quality dips most at Hatfield, as still mornings allow emissions from government, finance, and commercial operations to concentrate under a Highveld inversion layer. From spring onward, increasing rain and wind generally keep conditions clearer through summer and into early autumn, a seasonal pattern typical of the wider Highveld plateau.
Are air quality levels in Hatfield 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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