Worst air pollution Osizweni - Newcastle, today and tomorrow

Today (9 August): Air quality in Osizweni is fair. PM2.5, HCHO, and PM1 are fair; AQI and O3 are medium; PM10, NO2, SO2, and CO are good. Pollution peaks around 3:00 PM (O3: 52.2/100).
Tomorrow (10 August 2026): Air quality in Osizweni is fair. AQI worsens to fair; O3 decreases to good; all other pollutants stay as today. Pollution peaks around 12:00 AM (PM1: 32.7/100). 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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Osizweni lies roughly 260 km north-northwest of Durban. Osizweni's air quality reflects its inland KwaZulu-Natal Midlands setting, with vehicle traffic and dairy and forestry farming operations as the main local sources of pollution. The area's cooler, elevated climate can allow winter morning inversions to briefly concentrate emissions, while summer rains generally restore clearer conditions. Conditions like these are common across the wider Midlands region.

Today - 9 August | Pollution peaks at 15:00

AQI:

Medium

52.2/100

PM2.5 (fine particles):

Fair

27.5/100

PM10 (coarse particles):

Good

7.5/100

NO2 (nitrogen dioxide):

Good

0/100

O3 (ozone):

Medium

52.2/100

SO2 (sulfur dioxide):

Good

0/100

CO (carbon monoxide):

Good

0/100

HCHO (formaldehyde):

Fair

21.2/100

PM1 (ultrafine particles):

Fair

35.0/100

Levels show the poorest local air quality during the day

Tomorrow - 10 August | Pollution peaks at 00:00

AQI:

Fair

32.7/100

PM2.5 (fine particles):

Fair

25.5/100

PM10 (coarse particles):

Good

6.9/100

NO2 (nitrogen dioxide):

Good

0/100

O3 (ozone):

Good

15.0/100

SO2 (sulfur dioxide):

Good

0/100

CO (carbon monoxide):

Good

0/100

HCHO (formaldehyde):

Fair

21.2/100

PM1 (ultrafine particles):

Fair

32.7/100

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Frequently Asked Questions

Is air quality bad in Osizweni right now?

On 9 August 2026, overall air quality in Osizweni is fair. PM1 is the main pollutant at 35.0/100. Pollution peaks around 3:00 PM (O3: 52.2/100).

Will air quality be worse tomorrow in Osizweni?

On 10 August 2026, air quality conditions in Osizweni will be similar to today, with AQI forecast at fair at 32.7/100. Pollution peaks around 12:00 AM (PM1: 32.7/100).

When is air pollution at its worst in Osizweni?

At Osizweni, winter mornings tend to bring the poorest air quality, as the cooler, drier Midlands climate favours brief inversions that trap emissions from dairy and forestry farming operations near the surface. From spring through summer, rainfall and stronger winds typically restore clearer conditions, a seasonal pattern typical of the wider Midlands region.

Are air quality levels in Osizweni 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: 10 August 2026 at 02:34 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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