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
3.95 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.33 μg/m³
0
55
155
255
425
605+
11.46 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
4.52 ppb
0
54
101
361
1250
2050+
0.80 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Dundonald, Lisburn and Castlereagh
Dundonald, Lisburn and Castlereagh
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AQI 22
Good
3.68μg/m³
PM2.5
8.35μg/m³
PM10
11.75ppb
O3
0.65ppb
SO2
5.07ppb
NO2
1.01ppm
CO
AQI 22
Good
4.03μg/m³
PM2.5
7.51μg/m³
PM10
13.48ppb
O3
0.55ppb
SO2
4.48ppb
NO2
1.01ppm
CO
AQI 22
Good
3.86μg/m³
PM2.5
8.65μg/m³
PM10
8.28ppb
O3
0.76ppb
SO2
6.35ppb
NO2
1.01ppm
CO
AQI 22
Good
3.90μg/m³
PM2.5
7.25μg/m³
PM10
13.59ppb
O3
0.56ppb
SO2
4.42ppb
NO2
1.01ppm
CO
AQI 22
Good
3.87μg/m³
PM2.5
7.68μg/m³
PM10
13.24ppb
O3
0.66ppb
SO2
4.65ppb
NO2
1.01ppm
CO
AQI 22
Good
4.39μg/m³
PM2.5
8.19μg/m³
PM10
13.63ppb
O3
0.66ppb
SO2
2.89ppb
NO2
1.01ppm
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 05:00:00 on 2026-02-11.
In the last 24 hrs, the best air quality in Dundonald, Lisburn and Castlereagh was observed at 12:00:00 on 2026-02-12.
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 PM2.5.
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 3.954 μg/m3.
The current PM10 concentration at Dundonald, Lisburn and Castlereagh is 8.331 μg/m3.
The current carbon monoxide (CO) concentration at Dundonald, Lisburn and Castlereagh is 0.803 ppm.
The current sulfur dioxide (SO2) concentration at Dundonald, Lisburn and Castlereagh is 0.608 ppb.
The current ozone (O3) concentration at Dundonald, Lisburn and Castlereagh is 11.464 ppm.
The current nitrogen dioxide (NO2) concentration at Dundonald, Lisburn and Castlereagh is 4.516 ppb.
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