Worst air pollution St Kilda - Melbourne, today and tomorrow
Today (5 August): Air quality in St Kilda is fair. AQI and NO2 are fair; PM2.5, PM10, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 PM (NO2: 32.7/100).
Tomorrow (6 August 2026): Air quality in St Kilda is medium. AQI improves to medium; NO2 decreases to medium; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 46.2/100). 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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Facing Port Phillip Bay along Melbourne's bayside strip, St Kilda pairs a lively entertainment and dining scene with a steady sea breeze that helps keep the air fresher than in Melbourne's landlocked inner suburbs. The Esplanade and foreshore parkland catch the brunt of that bay airflow, while the busier commercial streets just behind see more traffic-related pollution. Winter wood heater smoke and summer bushfire haze both show up here as they do across greater Melbourne, but the bay's proximity generally gives St Kilda an edge in ventilation.
Today - 5 August | Pollution peaks at 19:00
AQI:
Fair
32.7/100
PM2.5 (fine particles):
Good
9.7/100
PM10 (coarse particles):
Good
3.1/100
NO2 (nitrogen dioxide):
Fair
32.7/100
O3 (ozone):
Good
15.9/100
SO2 (sulfur dioxide):
Good
7.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.2/100
PM1 (ultrafine particles):
Good
10.4/100
Levels show the poorest local air quality during the day
Tomorrow - 6 August | Pollution peaks at 20:00
AQI:
Medium
46.2/100
PM2.5 (fine particles):
Good
9.8/100
PM10 (coarse particles):
Good
2.8/100
NO2 (nitrogen dioxide):
Medium
46.2/100
O3 (ozone):
Good
15.7/100
SO2 (sulfur dioxide):
Good
7.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.4/100
PM1 (ultrafine particles):
Good
12.6/100
Other Landmarks in Melbourne
Sports venues in Melbourne
Frequently Asked Questions
Is air quality bad in St Kilda right now?
On 5 August 2026, overall air quality in St Kilda is fair. AQI is the main air quality indicator at 32.7/100. Pollution peaks around 7:00 PM (NO2: 32.7/100).
Will air quality be worse tomorrow in St Kilda?
On 6 August 2026, air quality conditions in St Kilda will be better than today, with AQI forecast at medium at 46.2/100. Pollution peaks around 8:00 PM (NO2: 46.2/100).
When is air pollution at its worst in St Kilda?
St Kilda, like the wider Melbourne area, tends to fare worst during summer bushfire season, roughly December to March, when fires in the surrounding bush push smoke into town. Cold winter nights bring a separate concern as wood-smoke builds up in calm air. Outside that window conditions are usually clear, so check forecasts if you have asthma or other sensitivities.
Are air quality levels in St Kilda 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