Worst air pollution North Sydney Oval - Sydney, today and tomorrow
Today (17 September): Air quality in North Sydney Oval is moderate. AQI, PM2.5, and NO2 are moderate; PM10 and PM1 are fair; O3, SO2, CO, and HCHO are good. Pollution peaks around 10:00 PM (NO2: 44.9/100).
Tomorrow (18 September 2026): Air quality in North Sydney Oval is poor. AQI worsens to poor; NO2 increases to poor; O3 increases to fair; PM1 increases to moderate; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 70.4/100). Airmine updates local air quality forecasts four times daily.
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On Sydney's lower north shore near the harbour foreshore, North Sydney Oval sits among leafy residential streets rather than the dense high-rise of the CBD, giving it a noticeably greener, quieter setting than the city's inner grounds. Its position close to the harbour means it typically picks up a decent afternoon breeze, which helps ventilate the local air more effectively than sites further inland. As with the rest of the Sydney basin, the main seasonal concerns are bushfire smoke through summer and early autumn and the mild wood heater smoke that can hang over surrounding suburbs on cold winter nights.
Today - 17 September | Pollution peaks at 22:00
AQI:
Moderate
44.9/100
PM2.5 (fine particles):
Moderate
42.0/100
PM10 (coarse particles):
Fair
26.5/100
NO2 (nitrogen dioxide):
Moderate
44.9/100
O3 (ozone):
Good
12.3/100
SO2 (sulfur dioxide):
Good
5.9/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
5.4/100
PM1 (ultrafine particles):
Fair
24.8/100
Levels show the poorest local air quality during the day
Tomorrow - 18 September | Pollution peaks at 20:00
AQI:
Poor
70.4/100
PM2.5 (fine particles):
Moderate
46.7/100
PM10 (coarse particles):
Fair
31.9/100
NO2 (nitrogen dioxide):
Poor
70.4/100
O3 (ozone):
Fair
21.5/100
SO2 (sulfur dioxide):
Good
12.1/100
CO (carbon monoxide):
Good
0.8/100
HCHO (formaldehyde):
Good
10.9/100
PM1 (ultrafine particles):
Moderate
40.7/100
Other Landmarks in Sydney
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Frequently Asked Questions
Is air quality bad in North Sydney Oval right now?
On 17 September 2026, overall air quality in North Sydney Oval is moderate. AQI is the main air quality indicator at 44.9/100. Pollution peaks around 10:00 PM (NO2: 44.9/100).
Will air quality be worse tomorrow in North Sydney Oval?
On 18 September 2026, air quality conditions in North Sydney Oval will be worse than today, with AQI forecast at poor at 70.4/100. Pollution peaks around 8:00 PM (NO2: 70.4/100).
When is air pollution at its worst in North Sydney Oval?
Spectators and players at North Sydney Oval should expect the worst air quality 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. Outside that period, conditions are usually fine for a full day outside.
Are air quality levels in North Sydney 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: 16 September 2026 at 20:30 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.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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