Worst air pollution Manly - Sydney, today and tomorrow

Today (4 August): Air quality in Manly is fair. O3 is fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 PM (NO2: 45.1/100).
Tomorrow (5 August 2026): Air quality in Manly is medium. O3 decreases to good; all other pollutants stay as today. Pollution peaks around 7:00 PM (NO2: 47.3/100). 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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Wedged onto a narrow peninsula between ocean surf and the calmer waters of Sydney Harbour, Manly enjoys a double dose of sea breeze that keeps its air notably fresh. The ferry wharf and Corso strip draw crowds and traffic, but the surrounding water on both sides limits how much of it accumulates. Wood smoke can settle into sheltered pockets of the northern beaches on cool winter nights, and summer brings the same bushfire-smoke risk that affects the wider Sydney basin, but Manly's exposure to open water generally keeps pollution levels low.

Today - 4 August | Pollution peaks at 19:00

AQI:

Medium

45.1/100

PM2.5 (fine particles):

Good

9.2/100

PM10 (coarse particles):

Good

2.8/100

NO2 (nitrogen dioxide):

Medium

45.1/100

O3 (ozone):

Fair

20.3/100

SO2 (sulfur dioxide):

Good

12.6/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

4.8/100

PM1 (ultrafine particles):

Good

11.1/100

Levels show the poorest local air quality during the day

Tomorrow - 5 August | Pollution peaks at 19:00

AQI:

Medium

47.3/100

PM2.5 (fine particles):

Good

8.7/100

PM10 (coarse particles):

Good

2.5/100

NO2 (nitrogen dioxide):

Medium

47.3/100

O3 (ozone):

Good

18.6/100

SO2 (sulfur dioxide):

Good

12.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

4.3/100

PM1 (ultrafine particles):

Good

11.8/100

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Frequently Asked Questions

Is air quality bad in Manly right now?

On 4 August 2026, overall air quality in Manly is fair. O3 is the main pollutant at 20.3/100. Pollution peaks around 7:00 PM (NO2: 45.1/100).

Will air quality be worse tomorrow in Manly?

On 5 August 2026, air quality conditions in Manly will be better than today, with AQI forecast at medium at 47.3/100. Pollution peaks around 7:00 PM (NO2: 47.3/100).

When is air pollution at its worst in Manly?

In Manly, part of Sydney, the toughest stretch for air quality is summer (December-March), when bushfire smoke can blanket the region on hot, dry, windy days. There's a colder-season pattern too, with wood-smoke settling on frosty, windless evenings. Keeping half an eye on forecasts during that stretch is the practical takeaway otherwise.

Are air quality levels in Manly 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