Stay updated with real-time air quality in Bangor, Wales 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)
44
Good
Bangor, Wales
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.24 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.35 μg/m³
0
55
155
255
425
605+
25.87 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
5.09 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bangor, Wales
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AQI 49
Good
9.43μg/m³
PM2.5
13.52μg/m³
PM10
27.44ppb
O3
0.54ppb
SO2
5.87ppb
NO2
0.14ppm
CO
AQI 49
Good
9.32μg/m³
PM2.5
13.67μg/m³
PM10
27.86ppb
O3
0.53ppb
SO2
5.79ppb
NO2
0.14ppm
CO
AQI 52
Moderate
9.75μg/m³
PM2.5
15.54μg/m³
PM10
26.35ppb
O3
0.58ppb
SO2
7.24ppb
NO2
0.15ppm
CO
AQI 54
Moderate
10.68μg/m³
PM2.5
19.64μg/m³
PM10
21.56ppb
O3
0.87ppb
SO2
10.29ppb
NO2
0.16ppm
CO
AQI 54
Moderate
11.02μg/m³
PM2.5
20.85μg/m³
PM10
19.80ppb
O3
0.93ppb
SO2
11.65ppb
NO2
0.17ppm
CO
AQI 58
Moderate
13.12μg/m³
PM2.5
23.86μg/m³
PM10
13.37ppb
O3
1.20ppb
SO2
18.98ppb
NO2
0.20ppm
CO
Air quality data and pollutant measurements for Wales, 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 Bangor, Wales is updated every hour.
The worst air quality in Bangor, Wales in the last 24 hours was observed at 10:00:00 on 2025-12-28.
In the last 24 hrs, the best air quality in Bangor, Wales was observed at 06:00:00 on 2025-12-28.
The current air quality in Bangor, Wales is 44, categorized as Good based on real-time data.
The most common pollutant in Bangor, Wales is PM2.5.
If the air quality in Bangor, Wales is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Bangor, Wales is 8.239 μg/m3.
The current PM10 concentration at Bangor, Wales is 12.346 μg/m3.
The current carbon monoxide (CO) concentration at Bangor, Wales is 0.139 ppm.
The current sulfur dioxide (SO2) concentration at Bangor, Wales is 0.389 ppb.
The current ozone (O3) concentration at Bangor, Wales is 25.872 ppm.
The current nitrogen dioxide (NO2) concentration at Bangor, Wales is 5.09 ppb.
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