Worst air pollution Henley Beach - Adelaide, today and tomorrow
Today (17 September): Air quality in Henley Beach is moderate. AQI and PM2.5 are moderate; PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:30 PM (PM2.5: 44.1/100).
Tomorrow (18 September 2026): Air quality in Henley Beach is fair. AQI improves to fair; PM2.5 decreases to fair; all other pollutants stay as today. Pollution peaks around 12:30 AM (PM2.5: 36.8/100). Airmine updates local air quality forecasts four times daily.
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Facing Gulf St Vincent on Adelaide's western coastline, Henley Beach is a popular jetty-and-esplanade suburb where a strong, consistent sea breeze off the gulf keeps the air feeling clean along its beachfront. Low-rise residential streets set back from the esplanade see modest traffic, easily cleared by the onshore airflow that defines this stretch of coast. As with the rest of Adelaide's beachside suburbs, the main seasonal concern is drifting bushfire smoke over summer, but otherwise Henley Beach enjoys some of the freshest air in the metropolitan area.
Today - 17 September | Pollution peaks at 21:30
AQI:
Moderate
44.1/100
PM2.5 (fine particles):
Moderate
44.1/100
PM10 (coarse particles):
Good
18.9/100
NO2 (nitrogen dioxide):
Good
15.2/100
O3 (ozone):
Good
12.6/100
SO2 (sulfur dioxide):
Good
2.1/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
2.5/100
PM1 (ultrafine particles):
Good
9.3/100
Levels show the poorest local air quality during the day
Tomorrow - 18 September | Pollution peaks at 00:30
AQI:
Fair
36.8/100
PM2.5 (fine particles):
Fair
36.8/100
PM10 (coarse particles):
Good
11.0/100
NO2 (nitrogen dioxide):
Good
16.5/100
O3 (ozone):
Good
12.5/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
2.7/100
PM1 (ultrafine particles):
Good
6.2/100
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Frequently Asked Questions
Is air quality bad in Henley Beach right now?
On 17 September 2026, overall air quality in Henley Beach is moderate. AQI is the main air quality indicator at 44.1/100. Pollution peaks around 9:30 PM (PM2.5: 44.1/100).
Will air quality be worse tomorrow in Henley Beach?
On 18 September 2026, air quality conditions in Henley Beach will be better than today, with AQI forecast at fair at 36.8/100. Pollution peaks around 12:30 AM (PM2.5: 36.8/100).
When is air pollution at its worst in Henley Beach?
For visitors and locals in Henley Beach, the Adelaide-wide risk period is summer months, when fires in nearby bushland can send smoke through on hot, dry days. Beyond bushfire risk, steady sea breezes keep the air remarkably clear most of the year. Timing outdoor activity around this window and checking daily readings helps limit exposure.
Are air quality levels in Henley 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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