Worst air pollution Redfern - Sydney, today and tomorrow
Today (17 September): Air quality in Redfern is moderate. AQI, PM2.5, and NO2 are moderate; PM10 is fair; O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 PM (NO2: 40.8/100).
Tomorrow (18 September 2026): Air quality in Redfern is poor. AQI worsens to poor; NO2 increases to poor; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 61.7/100). Airmine updates local air quality forecasts four times daily.
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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 - 17 September | Pollution peaks at 22:00
AQI:
Moderate
40.8/100
PM2.5 (fine particles):
Moderate
40.3/100
PM10 (coarse particles):
Fair
26.5/100
NO2 (nitrogen dioxide):
Moderate
40.8/100
O3 (ozone):
Good
11.5/100
SO2 (sulfur dioxide):
Good
5.9/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
5.4/100
PM1 (ultrafine particles):
Good
16.0/100
Levels show the poorest local air quality during the day
Tomorrow - 18 September | Pollution peaks at 20:00
AQI:
Poor
61.7/100
PM2.5 (fine particles):
Moderate
44.3/100
PM10 (coarse particles):
Fair
31.9/100
NO2 (nitrogen dioxide):
Poor
61.7/100
O3 (ozone):
Good
19.6/100
SO2 (sulfur dioxide):
Good
12.1/100
CO (carbon monoxide):
Good
0.8/100
HCHO (formaldehyde):
Good
10.9/100
PM1 (ultrafine particles):
Fair
27.5/100
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Frequently Asked Questions
Is air quality bad in Redfern right now?
On 17 September 2026, overall air quality in Redfern is moderate. AQI is the main air quality indicator at 40.8/100. Pollution peaks around 10:00 PM (NO2: 40.8/100).
Will air quality be worse tomorrow in Redfern?
On 18 September 2026, air quality conditions in Redfern will be worse than today, with AQI forecast at poor at 61.7/100. Pollution peaks around 8:00 PM (NO2: 61.7/100).
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: 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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