Worst air pollution Armagh, today and tomorrow

Today (9 August): Air quality in Armagh is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 25.6/100).
Tomorrow (10 August 2026): Air quality in Armagh is good. AQI improves to good; NO2 decreases to good; O3 decreases to good; all other pollutants stay as today. Pollution peaks around 11:00 PM (O3: 17.8/100). 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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The nearby M2 corridor contributes steady vehicle emissions that affect roadside readings. Armagh's air quality reflects its position within Armagh City, Banbridge and Craigavon, with local traffic and the town's built-up core as the main contributors. Shifting coastal winds tend to disperse pollutants reasonably well, keeping readings close to typical UK small-town levels.

Today - 9 August | Pollution peaks at 13:00

AQI:

Fair

25.6/100

PM2.5 (fine particles):

Good

10.5/100

PM10 (coarse particles):

Good

3.6/100

NO2 (nitrogen dioxide):

Fair

20.3/100

O3 (ozone):

Fair

25.6/100

SO2 (sulfur dioxide):

Good

4.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.6/100

PM1 (ultrafine particles):

Good

10.0/100

Levels show the poorest local air quality during the day

Tomorrow - 10 August | Pollution peaks at 23:00

AQI:

Good

17.8/100

PM2.5 (fine particles):

Good

6.0/100

PM10 (coarse particles):

Good

2.3/100

NO2 (nitrogen dioxide):

Good

5.0/100

O3 (ozone):

Good

17.8/100

SO2 (sulfur dioxide):

Good

2.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

4.2/100

PM1 (ultrafine particles):

Good

3.8/100

Pollen forecast in Armagh

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Frequently Asked Questions

Is air quality bad in Armagh right now?

On 9 August 2026, overall air quality in Armagh is fair. AQI is the main air quality indicator at 25.6/100. Pollution peaks around 1:00 PM (O3: 25.6/100).

Will air quality be worse tomorrow in Armagh?

On 10 August 2026, air quality conditions in Armagh will be better than today, with AQI forecast at good at 17.8/100. Pollution peaks around 11:00 PM (O3: 17.8/100).

When is air pollution at its worst in Armagh?

Spring and autumn are typically the easiest months, air-quality-wise, for most residents. Seasons make a real difference to air quality in Armagh, more than most people realise. Winter mornings can be the trickiest, with cold, still conditions trapping main road traffic fumes and smoke from home fires close to the ground. 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.

Are air quality levels in Armagh 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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