Stay updated with real-time air quality in Lisburn and Castlereagh, UK 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)
27
Good
Lisburn and Castlereagh, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.56 μg/m³
0
55
155
255
425
605+
24.74 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
3.81 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Lisburn and Castlereagh, UK
Lisburn and Castlereagh, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 25
Good
4.43μg/m³
PM2.5
11.96μg/m³
PM10
26.54ppb
O3
0.45ppb
SO2
3.37ppb
NO2
0.12ppm
CO
AQI 27
Good
4.57μg/m³
PM2.5
15.05μg/m³
PM10
26.19ppb
O3
0.45ppb
SO2
3.62ppb
NO2
0.12ppm
CO
AQI 22
Good
4.37μg/m³
PM2.5
11.53μg/m³
PM10
22.84ppb
O3
0.58ppb
SO2
3.08ppb
NO2
0.12ppm
CO
AQI 22
Good
3.95μg/m³
PM2.5
11.64μg/m³
PM10
22.26ppb
O3
0.43ppb
SO2
3.06ppb
NO2
0.12ppm
CO
AQI 22
Good
4.32μg/m³
PM2.5
11.36μg/m³
PM10
21.87ppb
O3
0.48ppb
SO2
3.19ppb
NO2
0.12ppm
CO
AQI 27
Good
4.65μg/m³
PM2.5
10.83μg/m³
PM10
22.07ppb
O3
0.39ppb
SO2
2.61ppb
NO2
0.12ppm
CO
Air quality and pollutant data for Lisburn and Castlereagh, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Lisburn and Castlereagh, UK is updated every hour for accuracy.
In the past 24 hours, the air quality in Lisburn and Castlereagh, UK was at its worst at 09:00:00 on 2026-07-12.
In the last 24 hours, the best air quality in Lisburn and Castlereagh, UK was observed at 03:00:00 on 2026-07-12.
As of now, the AQI in Lisburn and Castlereagh, UK is 27, indicating Good conditions.
Lisburn and Castlereagh, UK air has the highest levels of PM2.5.
Poor air quality in Lisburn and Castlereagh, UK means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Lisburn and Castlereagh, UK are currently 4.736 μg/m3.
The PM10 concentration in Lisburn and Castlereagh, UK is 12.563 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Lisburn and Castlereagh, UK is 0.12 ppm.
Currently, Lisburn and Castlereagh, UK has a sulfur dioxide (SO2) concentration of 0.413 ppb.
The current ozone (O3) level in Lisburn and Castlereagh, UK at the moment is 24.742 ppm.
Nitrogen dioxide (NO2) level in Lisburn and Castlereagh, UK at the moment is 3.807 ppb.
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