Worst air pollution Junction Oval - Melbourne, today and tomorrow
Today (5 August): Air quality in Junction Oval is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 PM (O3: 15.9/100).
Tomorrow (6 August 2026): Air quality in Junction Oval is fair. AQI worsens to fair; NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 22.5/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Close to St Kilda and the shores of Port Phillip Bay, Junction Oval sits in a bayside pocket of Melbourne that generally enjoys better natural ventilation than the city's more inland grounds. The onshore breeze off the bay helps disperse traffic emissions from the surrounding streets more readily than in landlocked suburbs further from the water. Seasonally, the ground shares in Melbourne's broader patterns, including the risk of bushfire smoke drifting into the bayside suburbs during summer and early autumn, though the moderating bay influence tends to keep conditions a touch cleaner than inland parts of the city.
Today - 5 August | Pollution peaks at 14:00
AQI:
Good
15.9/100
PM2.5 (fine particles):
Good
7.5/100
PM10 (coarse particles):
Good
2.4/100
NO2 (nitrogen dioxide):
Good
13.1/100
O3 (ozone):
Good
15.9/100
SO2 (sulfur dioxide):
Good
2.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.2/100
PM1 (ultrafine particles):
Good
8.1/100
Levels show the poorest local air quality during the day
Tomorrow - 6 August | Pollution peaks at 20:00
AQI:
Fair
22.5/100
PM2.5 (fine particles):
Good
7.6/100
PM10 (coarse particles):
Good
2.2/100
NO2 (nitrogen dioxide):
Fair
22.5/100
O3 (ozone):
Good
15.7/100
SO2 (sulfur dioxide):
Good
2.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.4/100
PM1 (ultrafine particles):
Good
9.9/100
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Frequently Asked Questions
Is air quality bad in Junction Oval right now?
On 5 August 2026, overall air quality in Junction Oval is good. AQI is the main air quality indicator at 15.9/100. Pollution peaks around 2:00 PM (O3: 15.9/100).
Will air quality be worse tomorrow in Junction Oval?
On 6 August 2026, air quality conditions in Junction Oval will be worse than today, with AQI forecast at fair at 22.5/100. Pollution peaks around 8:00 PM (NO2: 22.5/100).
When is air pollution at its worst in Junction Oval?
Anyone at Junction Oval for an extended session should watch for summer bushfire season, roughly December to March, when fires in the surrounding bush push smoke into town. A second dip comes in winter, when still nights trap wood-heater smoke near ground level. Anyone sensitive to smoke or dust attending then may want to check conditions on the day.
Are air quality levels in Junction Oval 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.
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Data provided by Airmine — Last update: 4 August 2026 at 16:38 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.
For long term forecasts and maps, see the Airmine app