Worst air pollution Bondi Beach - Sydney, today and tomorrow
Today (17 September): Air quality in Bondi Beach is fair. AQI, PM2.5, PM10, and NO2 are fair; O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (PM2.5: 39.2/100).
Tomorrow (18 September 2026): Air quality in Bondi Beach is moderate. AQI worsens to moderate; PM2.5 increases to moderate; NO2 increases to moderate; O3 increases to fair; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 44.6/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Sydney's most famous stretch of sand sits fully exposed to onshore breezes rolling in off the Tasman Sea, and this constant sea-air flushing keeps Bondi's air among the cleanest in the eastern suburbs. The cliffs framing the beach funnel a steady breeze along the promenade, dispersing traffic fumes from the busy beachfront road before they can linger. Like the rest of Sydney, expect a whiff of bushfire smoke in the December-to-March fire season and the odd summer ozone spike on windless, sunny afternoons, but otherwise this is a breezy, well-ventilated pocket of the city.
Today - 17 September | Pollution peaks at 23:00
AQI:
Fair
39.2/100
PM2.5 (fine particles):
Fair
39.2/100
PM10 (coarse particles):
Fair
26.5/100
NO2 (nitrogen dioxide):
Fair
24.7/100
O3 (ozone):
Good
16.0/100
SO2 (sulfur dioxide):
Good
5.9/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
5.4/100
PM1 (ultrafine particles):
Good
12.6/100
Levels show the poorest local air quality during the day
Tomorrow - 18 September | Pollution peaks at 20:00
AQI:
Moderate
44.6/100
PM2.5 (fine particles):
Moderate
43.6/100
PM10 (coarse particles):
Fair
31.9/100
NO2 (nitrogen dioxide):
Moderate
44.6/100
O3 (ozone):
Fair
31.0/100
SO2 (sulfur dioxide):
Good
12.1/100
CO (carbon monoxide):
Good
0.8/100
HCHO (formaldehyde):
Good
10.9/100
PM1 (ultrafine particles):
Fair
22.9/100
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Frequently Asked Questions
Is air quality bad in Bondi Beach right now?
On 17 September 2026, overall air quality in Bondi Beach is fair. AQI is the main air quality indicator at 39.2/100. Pollution peaks around 11:00 PM (PM2.5: 39.2/100).
Will air quality be worse tomorrow in Bondi Beach?
On 18 September 2026, air quality conditions in Bondi Beach will be worse than today, with AQI forecast at moderate at 44.6/100. Pollution peaks around 8:00 PM (NO2: 44.6/100).
When is air pollution at its worst in Bondi Beach?
This pocket of Sydney follows the broader city pattern, worst during summer bushfire season, roughly December to March, when fires in the surrounding bush push smoke into town. Winter adds its own trouble, with wood-heater smoke lingering on calm, cold nights. For people with asthma or young kids, that's the window to watch, with little concern otherwise.
Are air quality levels in Bondi Beach 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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