Stay updated with real-time air quality in Dundonald, Lisburn and Castlereagh featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
22
Good
Dundonald, Lisburn and Castlereagh
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.64 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.87 μg/m³
0
55
155
255
425
605+
20.98 ppb
0
55
71
86
201
201+
0.89 ppb
0
36
76
186
605
1005+
18.18 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Dundonald, Lisburn and Castlereagh
Dundonald, Lisburn and Castlereagh
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AQI 22
Good
3.66μg/m³
PM2.5
11.63μg/m³
PM10
24.20ppb
O3
0.95ppb
SO2
7.96ppb
NO2
0.36ppm
CO
AQI 25
Good
3.62μg/m³
PM2.5
11.82μg/m³
PM10
26.90ppb
O3
0.88ppb
SO2
8.36ppb
NO2
0.36ppm
CO
AQI 25
Good
3.84μg/m³
PM2.5
11.45μg/m³
PM10
27.36ppb
O3
1.14ppb
SO2
6.74ppb
NO2
0.36ppm
CO
AQI 25
Good
3.60μg/m³
PM2.5
11.72μg/m³
PM10
27.27ppb
O3
0.88ppb
SO2
8.38ppb
NO2
0.36ppm
CO
AQI 24
Good
3.51μg/m³
PM2.5
12.29μg/m³
PM10
25.90ppb
O3
0.92ppb
SO2
8.28ppb
NO2
0.36ppm
CO
AQI 26
Good
3.33μg/m³
PM2.5
12.14μg/m³
PM10
28.21ppb
O3
0.91ppb
SO2
8.59ppb
NO2
0.36ppm
CO
Air quality data and pollutant measurements for Lisburn and Castlereagh, UK adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Dundonald, Lisburn and Castlereagh is updated every hour.
The worst air quality in Dundonald, Lisburn and Castlereagh in the last 24 hours was observed at 06:00:00 on 2026-10-07.
In the last 24 hrs, the best air quality in Dundonald, Lisburn and Castlereagh was observed at 06:00:00 on 2026-10-08.
The current air quality in Dundonald, Lisburn and Castlereagh is 22, categorized as Good based on real-time data.
The most common pollutant in Dundonald, Lisburn and Castlereagh is O3.
If the air quality in Dundonald, Lisburn and Castlereagh is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Dundonald, Lisburn and Castlereagh is 3.667 μg/m3.
The current PM10 concentration at Dundonald, Lisburn and Castlereagh is 11.771 μg/m3.
The current carbon monoxide (CO) concentration at Dundonald, Lisburn and Castlereagh is 0.359 ppm.
The current sulfur dioxide (SO2) concentration at Dundonald, Lisburn and Castlereagh is 0.958 ppb.
The current ozone (O3) concentration at Dundonald, Lisburn and Castlereagh is 23.635 ppm.
The current nitrogen dioxide (NO2) concentration at Dundonald, Lisburn and Castlereagh is 7.938 ppb.
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