Adelaide Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (7 October): Air quality in Adelaide is moderate. AQI and NO2 are moderate; PM2.5 is fair; PM10, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:30 PM (NO2: 40.8/100).
Air Quality Tomorrow
Tomorrow (8 October 2026): Air quality in Adelaide is fair. AQI improves to fair; PM2.5 decreases to good; NO2 decreases to fair; all other pollutants stay as today. Pollution peaks around 7:30 PM (NO2: 25.1/100).
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Air Quality
Today - 7 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Moderate | 40.8/100 |
| PM2.5 (fine particles) | Fair | 29.5/100 |
| PM10 (coarse particles) | Good | 16.8/100 |
| NO2 (nitrogen dioxide) | Moderate | 40.8/100 |
| O3 (ozone) | Good | 11.0/100 |
| SO2 (sulfur dioxide) | Good | 1.4/100 |
| CO (carbon monoxide) | Good | 0.5/100 |
| HCHO (formaldehyde) | Good | 2.5/100 |
| PM1 (ultrafine particles) | Good | 8.5/100 |
Tomorrow - 8 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Fair | 25.1/100 |
| PM2.5 (fine particles) | Good | 15.0/100 |
| PM10 (coarse particles) | Good | 7.7/100 |
| NO2 (nitrogen dioxide) | Fair | 25.1/100 |
| O3 (ozone) | Good | 11.9/100 |
| SO2 (sulfur dioxide) | Good | 0.9/100 |
| CO (carbon monoxide) | Good | 0.4/100 |
| HCHO (formaldehyde) | Good | 2.6/100 |
| PM1 (ultrafine particles) | Good | 3.7/100 |
Local Environmental Conditions
With buildings covering much of the area around the heart of Adelaide, traffic and other urban emissions are the biggest local influence on air quality. Sea breezes along the coast usually help ventilate the area. On some days, pollution drifting in from farther away outweighs local sources. Exhaust from nearby roads is usually highest close to busy streets and junctions.
From June to August, temperatures near 10°C let smoke and particles from home heating and traffic build up, especially on cold, still mornings. In the warmer months, warm, sunny weather from December to March, around 23°C at its peak, raises afternoon ozone levels. 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 Adelaide right now?
On 7 October 2026, overall air quality in Adelaide is moderate. AQI is the main air quality indicator at 40.8/100. Pollution peaks around 7:30 PM (NO2: 40.8/100).
Will air quality be worse tomorrow in Adelaide?
On 8 October 2026, air quality conditions in Adelaide will be better than today, with AQI forecast at fair at 25.1/100. Pollution peaks around 7:30 PM (NO2: 25.1/100).
When is air pollution at its worst in Adelaide?
From June to August, temperatures near 10°C let smoke and particles from home heating and traffic build up, especially on cold, still mornings. In the warmer months, warm, sunny weather from December to March, around 23°C at its peak, raises afternoon ozone levels. Breezy weather in February, with winds near 15 km/h, tends to sweep pollution away.
Are air quality levels in Adelaide 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. |