Worst air pollution Leederville - Perth, today and tomorrow
Today (25 August): Air quality in Leederville is moderate. AQI and NO2 are moderate; PM2.5, PM10, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 AM (NO2: 47.7/100).
Tomorrow (26 August 2026): Air quality in Leederville is fair. AQI improves to fair; NO2 decreases to fair; all other pollutants stay as today. Pollution peaks around 7:00 PM (NO2: 23.6/100). Airmine updates local air quality forecasts four times daily.
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Leederville's air quality reflects its dense inner-city character, with Oxford Street's cafe strip and surrounding arterial roads contributing steady traffic-related emissions. Being close to the Perth CBD, it benefits from the same Fremantle Doctor sea breeze that ventilates the wider metropolitan area on most afternoons. Summer bushfire smoke from the Perth Hills and occasional agricultural dust from the Swan Coastal Plain are the main episodic concerns, consistent with greater Perth.
Today - 25 August | Pollution peaks at 00:00
AQI:
Moderate
47.7/100
PM2.5 (fine particles):
Good
17.0/100
PM10 (coarse particles):
Good
5.3/100
NO2 (nitrogen dioxide):
Moderate
47.7/100
O3 (ozone):
Good
17.1/100
SO2 (sulfur dioxide):
Good
13.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.8/100
PM1 (ultrafine particles):
Good
19.6/100
Levels show the poorest local air quality during the day
Tomorrow - 26 August | Pollution peaks at 19:00
AQI:
Fair
23.6/100
PM2.5 (fine particles):
Good
5.6/100
PM10 (coarse particles):
Good
2.0/100
NO2 (nitrogen dioxide):
Fair
23.6/100
O3 (ozone):
Good
16.1/100
SO2 (sulfur dioxide):
Good
3.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.8/100
PM1 (ultrafine particles):
Good
4.9/100
Other Landmarks in Perth
Sports venues in Perth
Frequently Asked Questions
Is air quality bad in Leederville right now?
On 25 August 2026, overall air quality in Leederville is moderate. AQI is the main air quality indicator at 47.7/100. Pollution peaks around 12:00 AM (NO2: 47.7/100).
Will air quality be worse tomorrow in Leederville?
On 26 August 2026, air quality conditions in Leederville will be better than today, with AQI forecast at fair at 23.6/100. Pollution peaks around 7:00 PM (NO2: 23.6/100).
When is air pollution at its worst in Leederville?
Air quality in Leederville is typically at its worst during still winter mornings, when traffic exhaust can linger in the tight suburban streets before the sea breeze sets in, and during summer bushfire smoke events from the Perth Hills. Afternoons are usually more reliably clear thanks to the Fremantle Doctor's cooling, cleansing sea breeze.
Are air quality levels in Leederville 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: 24 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.
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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