WACA Ground, Perth Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (7 October): Air quality in WACA Ground is fair. AQI and PM2.5 are fair; PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (PM2.5: 38.8/100).
Air Quality Tomorrow
Tomorrow (8 October 2026): Air quality in WACA Ground is moderate. AQI worsens to moderate; PM2.5 increases to moderate; PM10 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (PM2.5: 40.8/100).
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Air Quality
Today - 7 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Fair | 38.8/100 |
| PM2.5 (fine particles) | Fair | 38.8/100 |
| PM10 (coarse particles) | Good | 17.3/100 |
| NO2 (nitrogen dioxide) | Good | 15.7/100 |
| O3 (ozone) | Good | 15.1/100 |
| SO2 (sulfur dioxide) | Good | 2.5/100 |
| CO (carbon monoxide) | Good | 0.5/100 |
| HCHO (formaldehyde) | Good | 8.8/100 |
| PM1 (ultrafine particles) | Good | 16.9/100 |
Tomorrow - 8 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Moderate | 40.8/100 |
| PM2.5 (fine particles) | Moderate | 40.8/100 |
| PM10 (coarse particles) | Fair | 23.4/100 |
| NO2 (nitrogen dioxide) | Good | 10.3/100 |
| O3 (ozone) | Good | 14.2/100 |
| SO2 (sulfur dioxide) | Good | 1.3/100 |
| CO (carbon monoxide) | Good | 0.4/100 |
| HCHO (formaldehyde) | Good | 1.2/100 |
| PM1 (ultrafine particles) | Good | 2.7/100 |
Local Environmental Conditions
This location in Perth combines built-up streets with more open land, so local traffic matters, though emissions are less concentrated than in a city center. Sea breezes along the coast usually help ventilate the area. Parks and street trees provide a modest buffer against traffic pollution. Pollution carried in from the wider region can also raise levels at times.
From July to September, cooler nights and lighter winds, with temperatures around 16°C, let traffic pollution linger near busy roads. Summer sun from December to April cooks traffic fumes into ozone, especially in the warmest month, which averages 24°C. The risk of wildfire smoke peaks from November to April, when dry vegetation burns easily. December is usually the windiest month, averaging about 25 km/h, which helps keep the air clean.
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Frequently Asked Questions About Air Quality in Western Australia
Is air quality bad in WACA Ground right now?
On 7 October 2026, overall air quality in WACA Ground is fair. AQI is the main air quality indicator at 38.8/100. Pollution peaks around 9:00 AM (PM2.5: 38.8/100).
Will air quality be worse tomorrow in WACA Ground?
On 8 October 2026, air quality conditions in WACA Ground will be worse than today, with AQI forecast at moderate at 40.8/100. Pollution peaks around 1:00 PM (PM2.5: 40.8/100).
When is air pollution at its worst in WACA Ground?
From July to September, cooler nights and lighter winds, with temperatures around 16°C, let traffic pollution linger near busy roads. Summer sun from December to April cooks traffic fumes into ozone, especially in the warmest month, which averages 24°C. The risk of wildfire smoke peaks from November to April, when dry vegetation burns easily. December is usually the windiest month, averaging about 25 km/h, which helps keep the air clean.
Are air quality levels in WACA Ground 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. |