Wolli Creek Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (11 October): Air quality in Wolli Creek is fair. AQI, PM2.5, PM10, NO2, and PM1 are fair; O3, SO2, CO, and HCHO are good. Pollution peaks around 12:00 AM (PM1: 34.2/100).
Air Quality Tomorrow
Tomorrow (12 October 2026): Air quality in Wolli Creek is moderate. AQI worsens to moderate; NO2 increases to moderate; PM1 increases to moderate; all other pollutants stay as today. Pollution peaks around 9:00 AM (PM1: 40.2/100).
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Air Quality
Today - 11 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Fair | 34.2/100 |
| PM2.5 (fine particles) | Fair | 28.4/100 |
| PM10 (coarse particles) | Fair | 23.9/100 |
| NO2 (nitrogen dioxide) | Fair | 30.8/100 |
| O3 (ozone) | Good | 16.0/100 |
| SO2 (sulfur dioxide) | Good | 5.7/100 |
| CO (carbon monoxide) | Good | 0.6/100 |
| HCHO (formaldehyde) | Good | 7.5/100 |
| PM1 (ultrafine particles) | Fair | 34.2/100 |
Tomorrow - 12 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Moderate | 40.2/100 |
| PM2.5 (fine particles) | Fair | 33.5/100 |
| PM10 (coarse particles) | Fair | 21.2/100 |
| NO2 (nitrogen dioxide) | Moderate | 40.1/100 |
| O3 (ozone) | Good | 18.4/100 |
| SO2 (sulfur dioxide) | Good | 7.6/100 |
| CO (carbon monoxide) | Good | 0.6/100 |
| HCHO (formaldehyde) | Good | 15.8/100 |
| PM1 (ultrafine particles) | Moderate | 40.2/100 |
Local Environmental Conditions
Wolli Creek is largely built up, so vehicle exhaust and urban activity dominate the local air pollution sources. Parks and street trees provide a modest buffer against traffic pollution. 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.
In the mildest months, June to August, calmer nights at around 14°C allow traffic pollution to build up near the ground. From December to March, strong sunshine and temperatures around 23°C drive ozone formation, with levels peaking in the afternoon. On the plus side, stronger winds around July, about 15 km/h on average, usually bring some of the cleanest air of the year.
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Frequently Asked Questions About Air Quality in New South Wales
Is air quality bad in Wolli Creek right now?
On 11 October 2026, overall air quality in Wolli Creek is fair. AQI is the main air quality indicator at 34.2/100. Pollution peaks around 12:00 AM (PM1: 34.2/100).
Will air quality be worse tomorrow in Wolli Creek?
On 12 October 2026, air quality conditions in Wolli Creek will be worse than today, with AQI forecast at moderate at 40.2/100. Pollution peaks around 9:00 AM (PM1: 40.2/100).
When is air pollution at its worst in Wolli Creek?
In the mildest months, June to August, calmer nights at around 14°C allow traffic pollution to build up near the ground. From December to March, strong sunshine and temperatures around 23°C drive ozone formation, with levels peaking in the afternoon. On the plus side, stronger winds around July, about 15 km/h on average, usually bring some of the cleanest air of the year.
Are air quality levels in Wolli Creek 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. |