Worst air pollution Bacchus Marsh, today and tomorrow
Today (10 August): Air quality in Bacchus Marsh is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 PM (O3: 12.7/100).
Tomorrow (11 August 2026): Air quality in Bacchus Marsh is good. All pollutants stay as today. Pollution peaks around 11:00 AM (O3: 14.0/100). Airmine updates local air quality forecasts four times daily.
Get the full experience in the Airmine app.
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.
Bacchus Marsh, set in a valley near the Werribee River between Melbourne and the Great Dividing Range, has orchards and market gardens as a defining feature of its rural landscape, contributing modest seasonal dust. The valley setting can trap cool air and wood heater smoke on still winter nights. Its proximity to Melbourne brings increasing traffic and construction activity as the town grows, adding to background pollution levels. Dry summer conditions carry a bushfire smoke risk from surrounding forested hills. Overall, air quality remains generally good, typical of peri-urban Victorian towns.
Today - 10 August | Pollution peaks at 18:00
AQI:
Good
12.7/100
PM2.5 (fine particles):
Good
1.4/100
PM10 (coarse particles):
Good
0.4/100
NO2 (nitrogen dioxide):
Good
4.6/100
O3 (ozone):
Good
12.7/100
SO2 (sulfur dioxide):
Good
0.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.1/100
PM1 (ultrafine particles):
Good
1.4/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 11:00
AQI:
Good
14.0/100
PM2.5 (fine particles):
Good
4.1/100
PM10 (coarse particles):
Good
1.7/100
NO2 (nitrogen dioxide):
Good
4.7/100
O3 (ozone):
Good
14.0/100
SO2 (sulfur dioxide):
Good
1.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
2.4/100
Pollen forecast in Bacchus Marsh
View pollen forecastFrequently Asked Questions
Is air quality bad in Bacchus Marsh right now?
On 10 August 2026, overall air quality in Bacchus Marsh is good. AQI is the main air quality indicator at 12.7/100. Pollution peaks around 6:00 PM (O3: 12.7/100).
Will air quality be worse tomorrow in Bacchus Marsh?
On 11 August 2026, air quality conditions in Bacchus Marsh will be similar to today, with AQI forecast at good at 14.0/100. Pollution peaks around 11:00 AM (O3: 14.0/100).
When is air pollution at its worst in Bacchus Marsh?
Air in Bacchus Marsh is generally clean, but that changes during the peak of summer, when bushfires send smoke haze through during dry, windy spells. Winter adds its own trouble, with wood-heater smoke lingering on calm, cold nights. Keeping half an eye on forecasts during that stretch is the practical takeaway otherwise.
Are air quality levels in Bacchus Marsh 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.
Want to see air quality forecasts for other cities in Australia?
Check air quality in other popular cities:
Data provided by Airmine — Last update: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Get the full experience in the Airmine app.