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)
35
Good
Bangor, Wales
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
5.22 μg/m³
0
55
155
255
425
605+
38.36 ppb
0
55
71
86
201
201+
0.10 ppb
0
36
76
186
605
1005+
1.01 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bangor, Wales
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AQI 35
Good
1.87μg/m³
PM2.5
4.78μg/m³
PM10
37.66ppb
O3
0.12ppb
SO2
0.92ppb
NO2
0.12ppm
CO
AQI 35
Good
1.90μg/m³
PM2.5
4.80μg/m³
PM10
37.59ppb
O3
0.11ppb
SO2
0.90ppb
NO2
0.12ppm
CO
AQI 34
Good
1.89μg/m³
PM2.5
4.82μg/m³
PM10
37.10ppb
O3
0.12ppb
SO2
0.89ppb
NO2
0.12ppm
CO
AQI 26
Good
4.28μg/m³
PM2.5
11.20μg/m³
PM10
28.31ppb
O3
0.55ppb
SO2
6.90ppb
NO2
0.99ppm
CO
AQI 27
Good
4.83μg/m³
PM2.5
12.79μg/m³
PM10
26.18ppb
O3
0.66ppb
SO2
8.41ppb
NO2
1.20ppm
CO
AQI 22
Good
4.13μg/m³
PM2.5
12.57μg/m³
PM10
23.68ppb
O3
0.67ppb
SO2
7.55ppb
NO2
1.20ppm
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 09:00:00 on 2025-11-16.
In the last 24 hrs, the best air quality in Bangor, Wales was observed at 03:00:00 on 2025-11-16.
The current air quality in Bangor, Wales is 35, 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 1.959 μg/m3.
The current PM10 concentration at Bangor, Wales is 5.222 μg/m3.
The current carbon monoxide (CO) concentration at Bangor, Wales is 0.116 ppm.
The current sulfur dioxide (SO2) concentration at Bangor, Wales is 0.104 ppb.
The current ozone (O3) concentration at Bangor, Wales is 38.359 ppm.
The current nitrogen dioxide (NO2) concentration at Bangor, Wales is 1.008 ppb.
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