Worst air pollution Cremorne - Sydney, today and tomorrow
Today (17 September): Air quality in Cremorne is moderate. AQI, PM2.5, and NO2 are moderate; PM10 is fair; O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 PM (NO2: 41.6/100).
Tomorrow (18 September 2026): Air quality in Cremorne is poor. AQI worsens to poor; NO2 increases to poor; O3 increases to fair; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 63.3/100). Airmine updates local air quality forecasts four times daily.
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Cremorne sits on Sydney's Lower North Shore, its harbourside position giving it good natural ventilation similar to neighbouring Neutral Bay and Mosman, though Military Road's traffic still passes through parts of the suburb. Ferries service much of the harbour frontage. There is no industry present. Bushfire smoke is a periodic summer risk from northern hinterland bushland. Overall, background air quality here is generally very good, reflecting a leafy, low-density harbourside suburb with moderate arterial traffic on its fringe.
Today - 17 September | Pollution peaks at 22:00
AQI:
Moderate
41.6/100
PM2.5 (fine particles):
Moderate
40.5/100
PM10 (coarse particles):
Fair
26.5/100
NO2 (nitrogen dioxide):
Moderate
41.6/100
O3 (ozone):
Good
12.4/100
SO2 (sulfur dioxide):
Good
5.9/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
5.4/100
PM1 (ultrafine particles):
Good
16.4/100
Levels show the poorest local air quality during the day
Tomorrow - 18 September | Pollution peaks at 20:00
AQI:
Poor
63.3/100
PM2.5 (fine particles):
Moderate
44.6/100
PM10 (coarse particles):
Fair
31.9/100
NO2 (nitrogen dioxide):
Poor
63.3/100
O3 (ozone):
Fair
21.6/100
SO2 (sulfur dioxide):
Good
12.1/100
CO (carbon monoxide):
Good
0.8/100
HCHO (formaldehyde):
Good
10.9/100
PM1 (ultrafine particles):
Fair
28.1/100
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Frequently Asked Questions
Is air quality bad in Cremorne right now?
On 17 September 2026, overall air quality in Cremorne is moderate. AQI is the main air quality indicator at 41.6/100. Pollution peaks around 10:00 PM (NO2: 41.6/100).
Will air quality be worse tomorrow in Cremorne?
On 18 September 2026, air quality conditions in Cremorne will be worse than today, with AQI forecast at poor at 63.3/100. Pollution peaks around 8:00 PM (NO2: 63.3/100).
When is air pollution at its worst in Cremorne?
Cremorne, on the lower north shore, typically sees good air quality most of the year, with summer bushfire smoke, December to March, the main seasonal concern during hot, still conditions, and a milder rise in wood-heater smoke possible on cold winter nights. Harbourside breezes generally help clear haze quickly here.
Are air quality levels in Cremorne 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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