Worst air pollution Redfern - Sydney, today and tomorrow
Today (4 August): Air quality in Redfern is fair. AQI and NO2 are fair; PM2.5, PM10, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 PM (NO2: 24.0/100).
Tomorrow (5 August 2026): Air quality in Redfern is fair. All pollutants stay as today. Pollution peaks around 11:00 PM (NO2: 23.9/100). 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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Redfern sits immediately south of the Sydney CBD, a dense, inner-city setting where traffic along major arterial roads and rail corridors is the dominant local air quality factor, compounded by relatively limited tree cover in parts of the suburb. There is no industry today, with the area now overwhelmingly residential and commercial. Its inland position gives less direct harbour-breeze ventilation than eastern suburbs. Bushfire smoke is a seasonal summer concern. Background air quality is typical of dense inner-Sydney urban areas.
Today - 4 August | Pollution peaks at 19:00
AQI:
Fair
24.0/100
PM2.5 (fine particles):
Good
6.8/100
PM10 (coarse particles):
Good
1.8/100
NO2 (nitrogen dioxide):
Fair
24.0/100
O3 (ozone):
Good
17.1/100
SO2 (sulfur dioxide):
Good
7.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.0/100
PM1 (ultrafine particles):
Good
9.9/100
Levels show the poorest local air quality during the day
Tomorrow - 5 August | Pollution peaks at 23:00
AQI:
Fair
23.9/100
PM2.5 (fine particles):
Good
6.7/100
PM10 (coarse particles):
Good
1.8/100
NO2 (nitrogen dioxide):
Fair
23.9/100
O3 (ozone):
Good
16.1/100
SO2 (sulfur dioxide):
Good
5.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.4/100
PM1 (ultrafine particles):
Good
9.3/100
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Frequently Asked Questions
Is air quality bad in Redfern right now?
On 4 August 2026, overall air quality in Redfern is fair. AQI is the main air quality indicator at 24.0/100. Pollution peaks around 7:00 PM (NO2: 24.0/100).
Will air quality be worse tomorrow in Redfern?
On 5 August 2026, air quality conditions in Redfern will be similar to today, with AQI forecast at fair at 23.9/100. Pollution peaks around 11:00 PM (NO2: 23.9/100).
When is air pollution at its worst in Redfern?
As a dense inner-city suburb away from the immediate coast, Redfern tends to combine summer bushfire smoke (December–March) with traffic-related haze on hot, windless days, making these the periods to watch most closely. The rest of the year, expect generally good air with only brief, weather-driven dips.
Are air quality levels in Redfern 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