Wimmera River, Little Desert Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (7 October): Air quality in Wimmera River is fair. AQI and PM2.5 are fair; PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (PM2.5: 37.1/100).
Air Quality Tomorrow
Tomorrow (8 October 2026): Air quality in Wimmera River is fair. All pollutants stay as today. Pollution peaks around 1:00 AM (PM2.5: 32.4/100).
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Air Quality
Today - 7 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Fair | 37.1/100 |
| PM2.5 (fine particles) | Fair | 37.1/100 |
| PM10 (coarse particles) | Good | 17.1/100 |
| NO2 (nitrogen dioxide) | Good | 4.7/100 |
| O3 (ozone) | Good | 12.6/100 |
| SO2 (sulfur dioxide) | Good | 0.3/100 |
| CO (carbon monoxide) | Good | 0.3/100 |
| HCHO (formaldehyde) | Good | 1.6/100 |
| PM1 (ultrafine particles) | Good | 6.1/100 |
Tomorrow - 8 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Fair | 32.4/100 |
| PM2.5 (fine particles) | Fair | 32.4/100 |
| PM10 (coarse particles) | Good | 11.9/100 |
| NO2 (nitrogen dioxide) | Good | 4.4/100 |
| O3 (ozone) | Good | 14.8/100 |
| SO2 (sulfur dioxide) | Good | 0.3/100 |
| CO (carbon monoxide) | Good | 0.3/100 |
| HCHO (formaldehyde) | Good | 2.5/100 |
| PM1 (ultrafine particles) | Good | 6.0/100 |
Local Environmental Conditions
This site in Little Desert lies in a lightly developed area, where local traffic adds relatively little to air pollution. The open grass and scrubland around the area can add dust in dry weather and smoke from occasional fires. Trees nearby help filter some particles from the air, though in hot weather they also emit compounds that feed ozone formation.
The cooler months, June to August, see more fine particles, as wood burning and traffic add emissions while frequent calm, cold mornings around 9°C keep pollution near the ground. In the warmer months, warm, sunny weather from December to March, around 24°C at its peak, raises afternoon ozone levels. Wildfire smoke is most likely from December to April, sometimes turning the sky hazy for days.
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Frequently Asked Questions About Air Quality in Victoria
Is air quality bad in Wimmera River right now?
On 7 October 2026, overall air quality in Wimmera River is fair. AQI is the main air quality indicator at 37.1/100. Pollution peaks around 12:00 PM (PM2.5: 37.1/100).
Will air quality be worse tomorrow in Wimmera River?
On 8 October 2026, air quality conditions in Wimmera River will be similar to today, with AQI forecast at fair at 32.4/100. Pollution peaks around 1:00 AM (PM2.5: 32.4/100).
When is air pollution at its worst in Wimmera River?
The cooler months, June to August, see more fine particles, as wood burning and traffic add emissions while frequent calm, cold mornings around 9°C keep pollution near the ground. In the warmer months, warm, sunny weather from December to March, around 24°C at its peak, raises afternoon ozone levels. Wildfire smoke is most likely from December to April, sometimes turning the sky hazy for days.
Are air quality levels in Wimmera River 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. |