Worst air pollution Aberporth, today and tomorrow
Today (9 August): Air quality in Aberporth is fair. PM2.5, NO2, and PM1 are fair; AQI and O3 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 4:00 PM (O3: 57.0/100).
Tomorrow (10 August 2026): Air quality in Aberporth is fair. AQI worsens to fair; PM2.5 decreases to good; NO2 decreases to good; O3 increases to fair; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 5:00 PM (O3: 24.6/100). 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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Aberporth's air quality reflects its position within Ceredigion, with local traffic and the town's built-up core as the main contributors. Onshore breezes offer a degree of natural ventilation, keeping pollution broadly in line with comparable UK towns. The A470 sees the heaviest traffic, and that shows up clearly in local roadside monitoring.
Today - 9 August | Pollution peaks at 16:00
AQI:
Medium
57.0/100
PM2.5 (fine particles):
Fair
20.5/100
PM10 (coarse particles):
Good
5.6/100
NO2 (nitrogen dioxide):
Fair
39.5/100
O3 (ozone):
Medium
57.0/100
SO2 (sulfur dioxide):
Good
5.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.0/100
PM1 (ultrafine particles):
Fair
25.8/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 17:00
AQI:
Fair
24.6/100
PM2.5 (fine particles):
Good
5.2/100
PM10 (coarse particles):
Good
2.0/100
NO2 (nitrogen dioxide):
Good
11.7/100
O3 (ozone):
Fair
24.6/100
SO2 (sulfur dioxide):
Good
2.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.2/100
PM1 (ultrafine particles):
Good
3.9/100
Pollen forecast in Aberporth
View pollen forecastFrequently Asked Questions
Is air quality bad in Aberporth right now?
On 9 August 2026, overall air quality in Aberporth is fair. NO2 is the main pollutant at 39.5/100. Pollution peaks around 4:00 PM (O3: 57.0/100).
Will air quality be worse tomorrow in Aberporth?
On 10 August 2026, air quality conditions in Aberporth will be similar to today, with AQI forecast at fair at 24.6/100. Pollution peaks around 5:00 PM (O3: 24.6/100).
When is air pollution at its worst in Aberporth?
Aberporth doesn't have one fixed air quality level — it swings between two extremes each year. Winter tends to be worst, with wood burning, home heating, and still, cold air trapping traffic fumes from the A470 closer to ground level. Summer's more of a mixed bag: ozone can spike in strong sun, but overall dispersion tends to be better than the depths of winter. For much of spring and autumn, things settle into a fairly unremarkable middle ground.
Are air quality levels in Aberporth 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: 9 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.
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