Worst air pollution Unley - Adelaide, today and tomorrow

Today (4 August): Air quality in Unley is fair. PM2.5 and PM1 are fair; AQI and NO2 are medium; PM10, O3, SO2, CO, and HCHO are good. Pollution peaks around 8:30 PM (NO2: 44.0/100).
Tomorrow (5 August 2026): Air quality in Unley is fair. PM2.5 decreases to good; all other pollutants stay as today. Pollution peaks around 12:30 AM (NO2: 42.8/100). 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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Unley sits on gently elevated ground in inner southern Adelaide, its leafy streets supporting reasonable natural ventilation, tempered by steady traffic along Unley Road's shopping strip. There is no industry present. Adelaide's consistent Gulf St Vincent sea breeze reaches this inner suburb reasonably well. Bushfire smoke is a periodic summer risk from the nearby Adelaide Hills. Agricultural dust is a lesser factor given the suburb's fully urban character. Overall, background air quality here is generally good for an inner suburb.

Today - 4 August | Pollution peaks at 20:30

AQI:

Medium

44.0/100

PM2.5 (fine particles):

Fair

21.0/100

PM10 (coarse particles):

Good

6.1/100

NO2 (nitrogen dioxide):

Medium

44.0/100

O3 (ozone):

Good

15.5/100

SO2 (sulfur dioxide):

Good

11.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.0/100

PM1 (ultrafine particles):

Fair

25.1/100

Levels show the poorest local air quality during the day

Tomorrow - 5 August | Pollution peaks at 00:30

AQI:

Medium

42.8/100

PM2.5 (fine particles):

Good

16.1/100

PM10 (coarse particles):

Good

4.6/100

NO2 (nitrogen dioxide):

Medium

42.8/100

O3 (ozone):

Good

14.1/100

SO2 (sulfur dioxide):

Good

6.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

3.2/100

PM1 (ultrafine particles):

Fair

20.4/100

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Frequently Asked Questions

Is air quality bad in Unley right now?

On 4 August 2026, overall air quality in Unley is fair. PM1 is the main pollutant at 25.1/100. Pollution peaks around 8:30 PM (NO2: 44.0/100).

Will air quality be worse tomorrow in Unley?

On 5 August 2026, air quality conditions in Unley will be similar to today, with PM1 forecast at fair at 20.4/100. Pollution peaks around 12:30 AM (NO2: 42.8/100).

When is air pollution at its worst in Unley?

Unley typically enjoys clean air for most of the year, supported by Adelaide's regular sea breezes. The main exception is summer, December through March, when bushfire smoke from the Adelaide Hills or further afield can settle over this inner suburb on hot, still days. Outside of fire season, expect consistently good air quality with little cause for concern.

Are air quality levels in Unley 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: 4 August 2026 at 16:38 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.

For long term forecasts and maps, see the Airmine app