Worst air pollution Newtown - Sydney, today and tomorrow
Today (17 September): Air quality in Newtown is fair. AQI, PM2.5, PM10, and NO2 are fair; O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 PM (NO2: 39.4/100).
Tomorrow (18 September 2026): Air quality in Newtown is moderate. AQI worsens to moderate; PM2.5 increases to moderate; NO2 increases to moderate; O3 increases to fair; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 59.4/100). Airmine updates local air quality forecasts four times daily.
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King Street runs like a spine through Newtown, carrying heavy bus and car traffic past terrace-lined side streets, so kerbside pollution along the main strip is noticeably higher than in the quieter residential lanes just a block or two away. Being inland and fairly built-up, this inner-west suburb misses out on the direct sea breezes that ventilate Sydney's eastern beaches. Expect the usual seasonal pattern for inner Sydney: wood smoke curling from chimneys on cold nights and a haze of bushfire smoke settling in during the peak summer fire months.
Today - 17 September | Pollution peaks at 22:00
AQI:
Fair
39.4/100
PM2.5 (fine particles):
Fair
37.4/100
PM10 (coarse particles):
Fair
26.5/100
NO2 (nitrogen dioxide):
Fair
39.4/100
O3 (ozone):
Good
11.9/100
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:
Moderate
59.4/100
PM2.5 (fine particles):
Moderate
43.0/100
PM10 (coarse particles):
Fair
31.9/100
NO2 (nitrogen dioxide):
Moderate
59.4/100
O3 (ozone):
Fair
20.4/100
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 Newtown right now?
On 17 September 2026, overall air quality in Newtown is fair. AQI is the main air quality indicator at 39.4/100. Pollution peaks around 10:00 PM (NO2: 39.4/100).
Will air quality be worse tomorrow in Newtown?
On 18 September 2026, air quality conditions in Newtown will be worse than today, with AQI forecast at moderate at 59.4/100. Pollution peaks around 8:00 PM (NO2: 59.4/100).
When is air pollution at its worst in Newtown?
For visitors and locals in Newtown, the Sydney-wide risk period is the peak of summer, when bushfires send smoke haze through during dry, windy spells. Cold winter nights bring a separate concern as wood-smoke builds up in calm air. Timing outdoor activity around this window and checking daily readings helps limit exposure.
Are air quality levels in Newtown 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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