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)
28
Good
Bangor, Wales
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.55 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.48 μg/m³
0
55
155
255
425
605+
29.67 ppb
0
55
71
86
201
201+
0.09 ppb
0
36
76
186
605
1005+
0.78 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bangor, Wales
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AQI 52
Moderate
10.17μg/m³
PM2.5
17.27μg/m³
PM10
41.28ppb
O3
0.21ppb
SO2
1.11ppb
NO2
0.13ppm
CO
AQI 52
Moderate
10.23μg/m³
PM2.5
17.32μg/m³
PM10
41.18ppb
O3
0.20ppb
SO2
1.07ppb
NO2
0.13ppm
CO
AQI 54
Moderate
10.58μg/m³
PM2.5
17.70μg/m³
PM10
38.81ppb
O3
0.17ppb
SO2
1.22ppb
NO2
0.13ppm
CO
AQI 60
Moderate
14.29μg/m³
PM2.5
28.72μg/m³
PM10
44.69ppb
O3
0.69ppb
SO2
5.06ppb
NO2
0.16ppm
CO
AQI 64
Moderate
15.60μg/m³
PM2.5
31.52μg/m³
PM10
49.72ppb
O3
0.83ppb
SO2
5.94ppb
NO2
0.17ppm
CO
AQI 62
Moderate
14.78μg/m³
PM2.5
30.25μg/m³
PM10
47.07ppb
O3
0.84ppb
SO2
6.71ppb
NO2
0.17ppm
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 03:00:00 on 2026-08-14.
In the last 24 hrs, the best air quality in Bangor, Wales was observed at 08:00:00 on 2026-08-14.
The current air quality in Bangor, Wales is 28, categorized as Good based on real-time data.
The most common pollutant in Bangor, Wales is O3.
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 3.549 μg/m3.
The current PM10 concentration at Bangor, Wales is 7.481 μg/m3.
The current carbon monoxide (CO) concentration at Bangor, Wales is 0.101 ppm.
The current sulfur dioxide (SO2) concentration at Bangor, Wales is 0.093 ppb.
The current ozone (O3) concentration at Bangor, Wales is 29.666 ppm.
The current nitrogen dioxide (NO2) concentration at Bangor, Wales is 0.777 ppb.
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