Worst air pollution Weekend cars for sale - Collaroy, today and tomorrow
Today (17 September): Air quality in Weekend cars for sale is fair. AQI, PM2.5, and PM10 are fair; NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 PM (PM2.5: 33.1/100).
Tomorrow (18 September 2026): Air quality in Weekend cars for sale is moderate. AQI worsens to moderate; PM2.5 increases to moderate; NO2 increases to fair; O3 increases to fair; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 8:00 PM (PM2.5: 42.3/100). 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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In Weekend cars for sale, light local traffic means surrounding farmland activity, not congestion, is the bigger day-to-day influence on air quality. Green space close by offers a partial natural check on particulate buildup. Short-term spikes can occur with unusual weather or nearby construction and traffic events. Broader regional monitoring generally reflects this same baseline, with small local variation.
Today - 17 September | Pollution peaks at 22:00
AQI:
Fair
33.1/100
PM2.5 (fine particles):
Fair
33.1/100
PM10 (coarse particles):
Fair
20.8/100
NO2 (nitrogen dioxide):
Good
15.0/100
O3 (ozone):
Good
15.0/100
SO2 (sulfur dioxide):
Good
3.6/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
3.8/100
PM1 (ultrafine particles):
Good
11.1/100
Levels show the poorest local air quality during the day
Tomorrow - 18 September | Pollution peaks at 20:00
AQI:
Moderate
42.3/100
PM2.5 (fine particles):
Moderate
42.3/100
PM10 (coarse particles):
Fair
26.7/100
NO2 (nitrogen dioxide):
Fair
21.2/100
O3 (ozone):
Fair
28.7/100
SO2 (sulfur dioxide):
Good
6.1/100
CO (carbon monoxide):
Good
0.8/100
HCHO (formaldehyde):
Good
15.0/100
PM1 (ultrafine particles):
Fair
21.8/100
Other Landmarks in Collaroy
Sports venues in Collaroy
Frequently Asked Questions
Is air quality bad in Weekend cars for sale right now?
On 17 September 2026, overall air quality in Weekend cars for sale is fair. AQI is the main air quality indicator at 33.1/100. Pollution peaks around 10:00 PM (PM2.5: 33.1/100).
Will air quality be worse tomorrow in Weekend cars for sale?
On 18 September 2026, air quality conditions in Weekend cars for sale will be worse than today, with AQI forecast at moderate at 42.3/100. Pollution peaks around 8:00 PM (PM2.5: 42.3/100).
When is air pollution at its worst in Weekend cars for sale?
Winter is usually when particulate matter climbs highest locally, driven by heating season smoke that lingers under stagnant, cold winter air. Summer heat and dry conditions nearby make bushfire smoke the leading local air quality issue, with summer's heat and dry vegetation together producing both elevated ozone and, at times, bushfire smoke haze. Spring and autumn tend to offer a breather, with steadier winds helping keep pollutant levels down.
Are air quality levels in Weekend cars for sale 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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