Worst air pollution The Basin Campground - Ku-ring-gai Chase, today and tomorrow

Today (17 September): Air quality in The Basin Campground is fair. AQI, PM2.5, PM10, and NO2 are fair; O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 PM (PM2.5: 30.0/100).
Tomorrow (18 September 2026): Air quality in The Basin Campground is moderate. AQI worsens to moderate; PM2.5 increases to moderate; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 8:00 PM (PM2.5: 41.2/100). 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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In The Basin Campground, with traffic fairly sparse here, dust kicked up from nearby farmland tends to matter more than vehicle emissions. A patch of green space in the area offers some natural buffering against local particulate matter. Wind patterns on any given day can shift this picture meaningfully in either direction.

Today - 17 September | Pollution peaks at 22:00

AQI:

Fair

30.0/100

PM2.5 (fine particles):

Fair

30.0/100

PM10 (coarse particles):

Fair

20.8/100

NO2 (nitrogen dioxide):

Fair

25.0/100

O3 (ozone):

Good

12.0/100

SO2 (sulfur dioxide):

Good

3.6/100

CO (carbon monoxide):

Good

0.5/100

HCHO (formaldehyde):

Good

3.8/100

PM1 (ultrafine particles):

Good

8.8/100

Levels show the poorest local air quality during the day

Tomorrow - 18 September | Pollution peaks at 20:00

AQI:

Moderate

41.2/100

PM2.5 (fine particles):

Moderate

41.2/100

PM10 (coarse particles):

Fair

26.7/100

NO2 (nitrogen dioxide):

Fair

33.7/100

O3 (ozone):

Fair

20.8/100

SO2 (sulfur dioxide):

Good

6.1/100

CO (carbon monoxide):

Good

0.8/100

HCHO (formaldehyde):

Good

15.0/100

PM1 (ultrafine particles):

Good

17.8/100

Other Landmarks in Ku-ring-gai Chase

Frequently Asked Questions

Is air quality bad in The Basin Campground right now?

On 17 September 2026, overall air quality in The Basin Campground is fair. AQI is the main air quality indicator at 30.0/100. Pollution peaks around 10:00 PM (PM2.5: 30.0/100).

Will air quality be worse tomorrow in The Basin Campground?

On 18 September 2026, air quality conditions in The Basin Campground will be worse than today, with AQI forecast at moderate at 41.2/100. Pollution peaks around 8:00 PM (PM2.5: 41.2/100).

When is air pollution at its worst in The Basin Campground?

Winter is usually when particulate matter climbs highest locally, when winter inversions trap local heating smoke in place for days at a time. Warmer months bring a different problem: smoke haze from nearby bushfires, as warm, dry conditions drive both ozone formation and periodic bushfire smoke from the surrounding region. Between the winter and summer extremes, spring and autumn usually bring the year's most consistently clear air.

Are air quality levels in The Basin Campground 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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