Worst air pollution Port Macquarie, today and tomorrow
Today (10 August): Air quality in Port Macquarie is fair. AQI and NO2 are fair; PM2.5, PM10, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 PM (NO2: 20.9/100).
Tomorrow (11 August 2026): Air quality in Port Macquarie is fair. All pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 20.4/100). Airmine updates local air quality forecasts four times daily.
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This mid-north coast holiday and retirement city generally enjoys clean air thanks to onshore sea breezes off the Hastings River mouth and Pacific coastline, though the surrounding forested hinterland makes it vulnerable to bushfire smoke, as seen severely during the 2019–20 Black Summer fires that burned extensively nearby. Spring and early summer bring a notable tree and grass pollen season typical of the NSW mid-north coast, while the town's mix of forested hinterland and coastal exposure means conditions can swing quickly from clean sea air to smoke haze when fire risk is elevated inland.
Today - 10 August | Pollution peaks at 22:00
AQI:
Fair
20.9/100
PM2.5 (fine particles):
Good
6.8/100
PM10 (coarse particles):
Good
2.2/100
NO2 (nitrogen dioxide):
Fair
20.9/100
O3 (ozone):
Good
19.7/100
SO2 (sulfur dioxide):
Good
4.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.6/100
PM1 (ultrafine particles):
Good
7.2/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 20:00
AQI:
Fair
20.4/100
PM2.5 (fine particles):
Good
3.5/100
PM10 (coarse particles):
Good
1.1/100
NO2 (nitrogen dioxide):
Fair
20.4/100
O3 (ozone):
Good
14.1/100
SO2 (sulfur dioxide):
Good
2.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.6/100
PM1 (ultrafine particles):
Good
3.7/100
Pollen forecast in Port Macquarie
View pollen forecastFrequently Asked Questions
Is air quality bad in Port Macquarie right now?
On 10 August 2026, overall air quality in Port Macquarie is fair. AQI is the main air quality indicator at 20.9/100. Pollution peaks around 10:00 PM (NO2: 20.9/100).
Will air quality be worse tomorrow in Port Macquarie?
On 11 August 2026, air quality conditions in Port Macquarie will be similar to today, with AQI forecast at fair at 20.4/100. Pollution peaks around 8:00 PM (NO2: 20.4/100).
When is air pollution at its worst in Port Macquarie?
The clearest risk to air quality here is bushfire smoke from the surrounding hinterland forests during dry spring and summer periods, a risk this region experienced acutely in recent major fire seasons; outside of fire events, onshore breezes keep everyday air quality consistently good.
Are air quality levels in Port Macquarie 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: 9 August 2026 at 20:27 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.
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