Worst air pollution Newtownards, today and tomorrow
Today (20 September): Air quality in Newtownards is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 AM (PM10: 12.2/100).
Tomorrow (21 September 2026): Air quality in Newtownards is fair. AQI worsens to fair; PM10 increases to fair; all other pollutants stay as today. Pollution peaks around 2:00 PM (PM10: 20.5/100). 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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Newtownards's air quality reflects its position within Ards and North Down, with local traffic and the town's built-up core as the main contributors. The nearby A26 corridor contributes steady vehicle emissions that affect roadside readings. Moist Atlantic fronts offer a degree of natural ventilation, keeping pollution broadly in line with comparable UK towns.
Today - 20 September | Pollution peaks at 03:00
AQI:
Good
12.2/100
PM2.5 (fine particles):
Good
11.5/100
PM10 (coarse particles):
Good
12.2/100
NO2 (nitrogen dioxide):
Good
2.8/100
O3 (ozone):
Good
8.3/100
SO2 (sulfur dioxide):
Good
0.4/100
CO (carbon monoxide):
Good
0.7/100
HCHO (formaldehyde):
Good
1.3/100
PM1 (ultrafine particles):
Good
4.0/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 14:00
AQI:
Fair
20.5/100
PM2.5 (fine particles):
Good
19.1/100
PM10 (coarse particles):
Fair
20.5/100
NO2 (nitrogen dioxide):
Good
19.0/100
O3 (ozone):
Good
7.6/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.7/100
HCHO (formaldehyde):
Good
1.9/100
PM1 (ultrafine particles):
Good
14.9/100
Pollen forecast in Newtownards
View pollen forecastFrequently Asked Questions
Is air quality bad in Newtownards right now?
On 20 September 2026, overall air quality in Newtownards is good. AQI is the main air quality indicator at 12.2/100. Pollution peaks around 3:00 AM (PM10: 12.2/100).
Will air quality be worse tomorrow in Newtownards?
On 21 September 2026, air quality conditions in Newtownards will be worse than today, with AQI forecast at fair at 20.5/100. Pollution peaks around 2:00 PM (PM10: 20.5/100).
When is air pollution at its worst in Newtownards?
Here's the thing about Newtownards: air quality has a clear seasonal rhythm. Through the colder months, readings near the A26 often rise, since chimney smoke and stagnant air stop pollutants clearing away. Warmer months swap one problem for another — less smoke and heating pollution, but more ozone on the sunniest days. Most of spring and autumn stays fairly steady, right in the middle of those two extremes.
Are air quality levels in Newtownards 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 14:33 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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