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)
38
Good
Dundonald, Lisburn and Castlereagh
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.57 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.20 μg/m³
0
55
155
255
425
605+
38.65 ppb
0
55
71
86
201
201+
1.13 ppb
0
36
76
186
605
1005+
6.31 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Dundonald, Lisburn and Castlereagh
Dundonald, Lisburn and Castlereagh
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AQI 38
Good
6.57μg/m³
PM2.5
19.78μg/m³
PM10
38.63ppb
O3
1.20ppb
SO2
6.27ppb
NO2
0.13ppm
CO
AQI 38
Good
6.62μg/m³
PM2.5
18.97μg/m³
PM10
41.32ppb
O3
1.43ppb
SO2
5.64ppb
NO2
0.13ppm
CO
AQI 38
Good
7.28μg/m³
PM2.5
16.78μg/m³
PM10
39.27ppb
O3
0.45ppb
SO2
5.46ppb
NO2
0.13ppm
CO
AQI 38
Good
6.62μg/m³
PM2.5
18.89μg/m³
PM10
40.94ppb
O3
1.48ppb
SO2
5.76ppb
NO2
0.13ppm
CO
AQI 38
Good
6.60μg/m³
PM2.5
19.74μg/m³
PM10
40.70ppb
O3
1.58ppb
SO2
4.52ppb
NO2
0.13ppm
CO
AQI 40
Good
6.66μg/m³
PM2.5
18.05μg/m³
PM10
42.51ppb
O3
1.79ppb
SO2
4.17ppb
NO2
0.13ppm
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 09:00:00 on 2026-03-29.
In the last 24 hrs, the best air quality in Dundonald, Lisburn and Castlereagh was observed at 04:00:00 on 2026-03-29.
The current air quality in Dundonald, Lisburn and Castlereagh is 38, 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 6.57 μg/m3.
The current PM10 concentration at Dundonald, Lisburn and Castlereagh is 20.204 μg/m3.
The current carbon monoxide (CO) concentration at Dundonald, Lisburn and Castlereagh is 0.127 ppm.
The current sulfur dioxide (SO2) concentration at Dundonald, Lisburn and Castlereagh is 1.125 ppb.
The current ozone (O3) concentration at Dundonald, Lisburn and Castlereagh is 38.651 ppm.
The current nitrogen dioxide (NO2) concentration at Dundonald, Lisburn and Castlereagh is 6.306 ppb.
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