Worst air pollution Bassendean - Perth, today and tomorrow
Today (4 August): Air quality in Bassendean is fair. AQI and NO2 are fair; PM2.5, PM10, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (NO2: 20.6/100).
Tomorrow (5 August 2026): Air quality in Bassendean is fair. PM2.5 increases to fair; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 11:00 PM (PM1: 25.0/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Bassendean sits on the Swan River in Perth's eastern suburbs, a position further inland than the western riverside suburbs, so it receives somewhat weaker afternoon sea-breeze ventilation. The area's historic railway and light-industrial legacy adds a modest residual emissions factor alongside traffic on local arterial roads. Bushfire smoke is a periodic summer risk from the nearby Darling Range. Overall, background air quality here is generally good but shows more of the inland pattern than fully coastal Perth suburbs.
Today - 4 August | Pollution peaks at 23:00
AQI:
Fair
20.6/100
PM2.5 (fine particles):
Good
11.8/100
PM10 (coarse particles):
Good
3.8/100
NO2 (nitrogen dioxide):
Fair
20.6/100
O3 (ozone):
Good
17.8/100
SO2 (sulfur dioxide):
Good
3.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.1/100
PM1 (ultrafine particles):
Good
12.6/100
Levels show the poorest local air quality during the day
Tomorrow - 5 August | Pollution peaks at 23:00
AQI:
Fair
25.0/100
PM2.5 (fine particles):
Fair
20.8/100
PM10 (coarse particles):
Good
6.0/100
NO2 (nitrogen dioxide):
Fair
22.8/100
O3 (ozone):
Good
16.5/100
SO2 (sulfur dioxide):
Good
4.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.3/100
PM1 (ultrafine particles):
Fair
25.0/100
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Frequently Asked Questions
Is air quality bad in Bassendean right now?
On 4 August 2026, overall air quality in Bassendean is fair. AQI is the main air quality indicator at 20.6/100. Pollution peaks around 11:00 PM (NO2: 20.6/100).
Will air quality be worse tomorrow in Bassendean?
On 5 August 2026, air quality conditions in Bassendean will be similar to today, with AQI forecast at fair at 25.0/100. Pollution peaks around 11:00 PM (PM1: 25.0/100).
When is air pollution at its worst in Bassendean?
Being further inland along the Swan River, Bassendean can hold onto smoke a little longer than coastal Perth suburbs during summer's bushfire season, roughly December to March, when hot, still mornings allow haze to settle before the sea breeze arrives. Outside this period, air quality is generally very good thanks to the region's consistent onshore winds.
Are air quality levels in Bassendean 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