Worst air pollution Helensburgh, today and tomorrow
Today (25 August): Air quality in Helensburgh is moderate. AQI, NO2, and SO2 are moderate; PM1 is fair; PM2.5, PM10, O3, CO, and HCHO are good. Pollution peaks around 11:00 PM (NO2: 50.7/100).
Tomorrow (26 August 2026): Air quality in Helensburgh is moderate. SO2 decreases to good; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 12:00 AM (NO2: 46.9/100). 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 Helensburgh, light local traffic means surrounding farmland activity, not congestion, is the bigger day-to-day influence on air quality. Nearby tree cover helps filter some of this particulate load before it settles over the neighborhood. Local monitoring for the wider area tends to track closely with this general pattern. Conditions on any given day depend heavily on wind speed and direction locally.
Today - 25 August | Pollution peaks at 23:00
AQI:
Moderate
50.7/100
PM2.5 (fine particles):
Good
16.8/100
PM10 (coarse particles):
Good
4.5/100
NO2 (nitrogen dioxide):
Moderate
50.7/100
O3 (ozone):
Good
12.5/100
SO2 (sulfur dioxide):
Moderate
40.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.3/100
PM1 (ultrafine particles):
Fair
22.5/100
Levels show the poorest local air quality during the day
Tomorrow - 26 August | Pollution peaks at 00:00
AQI:
Moderate
46.9/100
PM2.5 (fine particles):
Good
9.2/100
PM10 (coarse particles):
Good
2.9/100
NO2 (nitrogen dioxide):
Moderate
46.9/100
O3 (ozone):
Good
18.3/100
SO2 (sulfur dioxide):
Good
13.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.8/100
PM1 (ultrafine particles):
Good
13.4/100
Pollen forecast in Helensburgh
View pollen forecastFrequently Asked Questions
Is air quality bad in Helensburgh right now?
On 25 August 2026, overall air quality in Helensburgh is moderate. AQI is the main air quality indicator at 50.7/100. Pollution peaks around 11:00 PM (NO2: 50.7/100).
Will air quality be worse tomorrow in Helensburgh?
On 26 August 2026, air quality conditions in Helensburgh will be similar to today, with AQI forecast at moderate at 46.9/100. Pollution peaks around 12:00 AM (NO2: 46.9/100).
When is air pollution at its worst in Helensburgh?
This area typically sees its worst air quality during the winter season, driven by the combination of home heating and calm winter air that resists mixing. Summer heat and dry surrounding vegetation push bushfire smoke to the forefront of local air quality concerns, which can settle over the area for days at a time when nearby bushfires are burning, on top of routine ozone from heat and sunlight.
Are air quality levels in Helensburgh 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: 24 August 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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