Worst air pollution Underwater cave (Blowhole) - South Bruny, today and tomorrow
Today (17 September): Air quality in Underwater cave (Blowhole) is fair. AQI and PM2.5 are fair; PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 AM (PM2.5: 24.6/100).
Tomorrow (18 September 2026): Air quality in Underwater cave (Blowhole) is fair. PM10 increases to fair; all other pollutants stay as today. Pollution peaks around 3:00 PM (PM2.5: 30.9/100). Airmine updates local air quality forecasts four times daily.
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In Underwater cave (Blowhole), light traffic and open farmland nearby mean seasonal dust and burning outweigh congestion as a pollution source here. Green space in the area offers some natural filtering, softening the local particulate load somewhat. Day-to-day readings still shift with wind direction, traffic volume, and weather conditions. Local monitoring for the wider area tends to track closely with this general pattern.
Today - 17 September | Pollution peaks at 00:00
AQI:
Fair
24.6/100
PM2.5 (fine particles):
Fair
24.6/100
PM10 (coarse particles):
Good
17.3/100
NO2 (nitrogen dioxide):
Good
1.4/100
O3 (ozone):
Good
11.5/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.2/100
HCHO (formaldehyde):
Good
0.5/100
PM1 (ultrafine particles):
Good
1.3/100
Levels show the poorest local air quality during the day
Tomorrow - 18 September | Pollution peaks at 15:00
AQI:
Fair
30.9/100
PM2.5 (fine particles):
Fair
30.9/100
PM10 (coarse particles):
Fair
21.5/100
NO2 (nitrogen dioxide):
Good
1.7/100
O3 (ozone):
Good
11.7/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.3/100
HCHO (formaldehyde):
Good
0.8/100
PM1 (ultrafine particles):
Good
2.0/100
Other Landmarks in South Bruny
Frequently Asked Questions
Is air quality bad in Underwater cave (Blowhole) right now?
On 17 September 2026, overall air quality in Underwater cave (Blowhole) is fair. AQI is the main air quality indicator at 24.6/100. Pollution peaks around 12:00 AM (PM2.5: 24.6/100).
Will air quality be worse tomorrow in Underwater cave (Blowhole)?
On 18 September 2026, air quality conditions in Underwater cave (Blowhole) will be similar to today, with AQI forecast at fair at 30.9/100. Pollution peaks around 3:00 PM (PM2.5: 30.9/100).
When is air pollution at its worst in Underwater cave (Blowhole)?
Air quality often dips most sharply during winter in this area, as rural heating sources add up under inversions that keep smoke from dispersing. Summer shifts the concern toward bushfire smoke here too, which can settle over the area for days at a time when nearby bushfires are burning, on top of routine ozone from heat and sunlight.
Are air quality levels in Underwater cave (Blowhole) 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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