Worst air pollution Windmill Hill Cutting - Dumbarton, today and tomorrow
Today (21 September): Air quality in Windmill Hill Cutting is moderate. AQI and PM2.5 are moderate; PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 AM (PM2.5: 40.3/100).
Tomorrow (22 September 2026): Air quality in Windmill Hill Cutting is fair. AQI improves to fair; PM2.5 decreases to fair; all other pollutants stay as today. Pollution peaks around 4:00 PM (PM2.5: 27.9/100). 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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In Windmill Hill Cutting, with vehicle traffic relatively low, dust from nearby fields and occasional burning are the bigger day-to-day factors. With little nearby woodland, this particulate load largely goes unfiltered locally. Broader regional monitoring generally reflects this same baseline, with small local variation. Daily conditions can shift noticeably depending on wind, temperature, and traffic patterns.
Today - 21 September | Pollution peaks at 02:00
AQI:
Moderate
40.3/100
PM2.5 (fine particles):
Moderate
40.3/100
PM10 (coarse particles):
Good
13.5/100
NO2 (nitrogen dioxide):
Good
11.9/100
O3 (ozone):
Good
14.6/100
SO2 (sulfur dioxide):
Good
2.6/100
CO (carbon monoxide):
Good
0.4/100
HCHO (formaldehyde):
Good
3.7/100
PM1 (ultrafine particles):
Good
6.2/100
Levels show the poorest local air quality during the day
Tomorrow - 22 September | Pollution peaks at 16:00
AQI:
Fair
27.9/100
PM2.5 (fine particles):
Fair
27.9/100
PM10 (coarse particles):
Good
10.3/100
NO2 (nitrogen dioxide):
Good
10.2/100
O3 (ozone):
Good
14.6/100
SO2 (sulfur dioxide):
Good
2.0/100
CO (carbon monoxide):
Good
0.4/100
HCHO (formaldehyde):
Good
3.9/100
PM1 (ultrafine particles):
Good
3.3/100
Other Landmarks in Dumbarton
Frequently Asked Questions
Is air quality bad in Windmill Hill Cutting right now?
On 21 September 2026, overall air quality in Windmill Hill Cutting is moderate. AQI is the main air quality indicator at 40.3/100. Pollution peaks around 2:00 AM (PM2.5: 40.3/100).
Will air quality be worse tomorrow in Windmill Hill Cutting?
On 22 September 2026, air quality conditions in Windmill Hill Cutting will be better than today, with AQI forecast at fair at 27.9/100. Pollution peaks around 4:00 PM (PM2.5: 27.9/100).
When is air pollution at its worst in Windmill Hill Cutting?
The colder months typically bring the heaviest particulate levels of the year, when winter inversions trap local heating smoke in place for days at a time. Summer heat and dry conditions nearby make bushfire smoke the leading local air quality issue, as smoke drifting in from regional bushfires combines with the heat and sunlight that also drive ozone.
Are air quality levels in Windmill Hill Cutting 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: 20 September 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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