Unley, Adelaide Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (7 October): Air quality in Unley is fair. AQI, PM2.5, and NO2 are fair; PM10, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:30 PM (NO2: 39.9/100).
Air Quality Tomorrow
Tomorrow (8 October 2026): Air quality in Unley is fair. PM2.5 decreases to good; all other pollutants stay as today. Pollution peaks around 7:30 PM (NO2: 30.6/100).
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Air Quality
Today - 7 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Fair | 39.9/100 |
| PM2.5 (fine particles) | Fair | 26.7/100 |
| PM10 (coarse particles) | Good | 14.1/100 |
| NO2 (nitrogen dioxide) | Fair | 39.9/100 |
| O3 (ozone) | Good | 12.8/100 |
| SO2 (sulfur dioxide) | Good | 1.7/100 |
| CO (carbon monoxide) | Good | 0.5/100 |
| HCHO (formaldehyde) | Good | 3.2/100 |
| PM1 (ultrafine particles) | Good | 6.0/100 |
Tomorrow - 8 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Fair | 30.6/100 |
| PM2.5 (fine particles) | Good | 15.0/100 |
| PM10 (coarse particles) | Good | 8.5/100 |
| NO2 (nitrogen dioxide) | Fair | 30.6/100 |
| O3 (ozone) | Good | 13.5/100 |
| SO2 (sulfur dioxide) | Good | 1.2/100 |
| CO (carbon monoxide) | Good | 0.5/100 |
| HCHO (formaldehyde) | Good | 4.4/100 |
| PM1 (ultrafine particles) | Good | 3.5/100 |
Local Environmental Conditions
Around this site in Adelaide, dense development means road traffic is the main local source of nitrogen dioxide and fine particles. Sea breezes along the coast usually help ventilate the area. Pockets of trees and green space help filter a small share of the particles from traffic. Pollution carried in from the wider region can also raise levels at times.
From December to March, strong sunshine and temperatures around 23°C drive ozone formation, with levels peaking in the afternoon. In contrast, fine particle levels climb from June to August, as home heating and traffic combine with cold, still air averaging 10°C. On the plus side, breezy weather in February, with winds near 15 km/h, tends to sweep pollution away.
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Frequently Asked Questions About Air Quality in South Australia
Is air quality bad in Unley right now?
On 7 October 2026, overall air quality in Unley is fair. AQI is the main air quality indicator at 39.9/100. Pollution peaks around 8:30 PM (NO2: 39.9/100).
Will air quality be worse tomorrow in Unley?
On 8 October 2026, air quality conditions in Unley will be similar to today, with AQI forecast at fair at 30.6/100. Pollution peaks around 7:30 PM (NO2: 30.6/100).
When is air pollution at its worst in Unley?
From December to March, strong sunshine and temperatures around 23°C drive ozone formation, with levels peaking in the afternoon. In contrast, fine particle levels climb from June to August, as home heating and traffic combine with cold, still air averaging 10°C. On the plus side, breezy weather in February, with winds near 15 km/h, tends to sweep pollution away.
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.
Understanding the Scale
The 0–100 air quality scores represent risk levels, not direct air pollutant concentrations. Higher scores indicate higher risk.
Air Quality
| Good | 0-20 | Low air quality risk. Air quality is expected to be good, with low levels of pollution. |
| Fair | 20-40 | Generally low air quality risk. Air quality is expected to be acceptable, with some pollution present. |
| Moderate | 40-60 | Moderate air quality risk. Air pollution is elevated and air quality may be less favorable. |
| Poor | 60-80 | High air quality risk. Air pollution is high and air quality is expected to be poor. |
| Very Poor | 80-100 | Very high air quality risk. Air pollution is very high and air quality is expected to be very poor. |