Worst air pollution Prestonpans, today and tomorrow

Today (9 August): Air quality in Prestonpans is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (O3: 20.5/100).
Tomorrow (10 August 2026): Air quality in Prestonpans is good. AQI improves to good; O3 decreases to good; all other pollutants stay as today. Pollution peaks around 5:00 PM (O3: 19.1/100). 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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Commuter traffic feeding onto the A90 adds a further, consistent contribution to local readings. Air quality in Prestonpans is shaped by its location in East Lothian, where vehicle traffic and everyday urban activity dominate local sources. Onshore breezes do most of the work keeping things in check, more so than any local policy or infrastructure change.

Today - 9 August | Pollution peaks at 09:00

AQI:

Fair

20.5/100

PM2.5 (fine particles):

Good

8.5/100

PM10 (coarse particles):

Good

3.7/100

NO2 (nitrogen dioxide):

Good

0/100

O3 (ozone):

Fair

20.5/100

SO2 (sulfur dioxide):

Good

0/100

CO (carbon monoxide):

Good

0/100

HCHO (formaldehyde):

Good

2.3/100

PM1 (ultrafine particles):

Good

3.9/100

Levels show the poorest local air quality during the day

Tomorrow - 10 August | Pollution peaks at 17:00

AQI:

Good

19.1/100

PM2.5 (fine particles):

Good

7.1/100

PM10 (coarse particles):

Good

3.1/100

NO2 (nitrogen dioxide):

Good

0/100

O3 (ozone):

Good

19.1/100

SO2 (sulfur dioxide):

Good

0/100

CO (carbon monoxide):

Good

0/100

HCHO (formaldehyde):

Good

0.7/100

PM1 (ultrafine particles):

Good

1.9/100

Pollen forecast in Prestonpans

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Frequently Asked Questions

Is air quality bad in Prestonpans right now?

On 9 August 2026, overall air quality in Prestonpans is fair. AQI is the main air quality indicator at 20.5/100. Pollution peaks around 9:00 AM (O3: 20.5/100).

Will air quality be worse tomorrow in Prestonpans?

On 10 August 2026, air quality conditions in Prestonpans will be better than today, with AQI forecast at good at 19.1/100. Pollution peaks around 5:00 PM (O3: 19.1/100).

When is air pollution at its worst in Prestonpans?

If you're tracking air quality in Prestonpans, expect it to move around quite a bit through the year. Once the heating goes on and the air turns still, pollution from the A90 and nearby chimneys tends to build up rather than clear. Summer brings a different issue — stronger sunlight can push up ozone levels on hot, sunny days, even though traffic pollution itself often disperses more easily. Spring and autumn are typically the easiest months, air-quality-wise, for most residents.

Are air quality levels in Prestonpans 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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