Ashwood, City of Monash Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (11 October): Air quality in Ashwood is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (PM2.5: 17.7/100).
Air Quality Tomorrow
Tomorrow (12 October 2026): Air quality in Ashwood is fair. AQI worsens to fair; PM2.5 increases to fair; NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 9:00 PM (PM2.5: 24.5/100).
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Air Quality
Today - 11 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Good | 17.7/100 |
| PM2.5 (fine particles) | Good | 17.7/100 |
| PM10 (coarse particles) | Good | 12.4/100 |
| NO2 (nitrogen dioxide) | Good | 16.2/100 |
| O3 (ozone) | Good | 13.2/100 |
| SO2 (sulfur dioxide) | Good | 2.5/100 |
| CO (carbon monoxide) | Good | 0.4/100 |
| HCHO (formaldehyde) | Good | 3.1/100 |
| PM1 (ultrafine particles) | Good | 4.5/100 |
Tomorrow - 12 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Fair | 24.5/100 |
| PM2.5 (fine particles) | Fair | 24.5/100 |
| PM10 (coarse particles) | Good | 18.3/100 |
| NO2 (nitrogen dioxide) | Fair | 23.4/100 |
| O3 (ozone) | Good | 11.6/100 |
| SO2 (sulfur dioxide) | Good | 2.1/100 |
| CO (carbon monoxide) | Good | 0.4/100 |
| HCHO (formaldehyde) | Good | 2.1/100 |
| PM1 (ultrafine particles) | Good | 5.1/100 |
Local Environmental Conditions
Around this part of City of Monash, a mix of built-up land and open space means traffic is an important, but not overwhelming, local pollution source. Trees nearby help filter some particles from the air, though in hot weather they also emit compounds that feed ozone formation. Winds here are fairly strong, averaging around 15 km/h, which helps disperse local pollution.
In January, strong sunshine and temperatures around 20°C drive ozone formation, with levels peaking in the afternoon. Later, particle levels tend to be highest from June to August, when home heating and traffic add more emissions and cold, calm spells at around 9°C slow their dispersal. On the plus side, stronger winds around September, about 20 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 Victoria
Is air quality bad in Ashwood right now?
On 11 October 2026, overall air quality in Ashwood is good. AQI is the main air quality indicator at 17.7/100. Pollution peaks around 9:00 AM (PM2.5: 17.7/100).
Will air quality be worse tomorrow in Ashwood?
On 12 October 2026, air quality conditions in Ashwood will be worse than today, with AQI forecast at fair at 24.5/100. Pollution peaks around 9:00 PM (PM2.5: 24.5/100).
When is air pollution at its worst in Ashwood?
In January, strong sunshine and temperatures around 20°C drive ozone formation, with levels peaking in the afternoon. Later, particle levels tend to be highest from June to August, when home heating and traffic add more emissions and cold, calm spells at around 9°C slow their dispersal. On the plus side, stronger winds around September, about 20 km/h on average, usually bring some of the cleanest air of the year.
Are air quality levels in Ashwood 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. |