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
2.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.38 μg/m³
0
55
155
255
425
605+
47.67 ppb
0
55
71
86
201
201+
0.11 ppb
0
36
76
186
605
1005+
0.57 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bangor, Wales
Scroll To Air Quality MapLoading...
AQI 44
Good
2.27μg/m³
PM2.5
5.90μg/m³
PM10
47.04ppb
O3
0.10ppb
SO2
0.42ppb
NO2
0.13ppm
CO
AQI 44
Good
2.27μg/m³
PM2.5
5.89μg/m³
PM10
46.99ppb
O3
0.10ppb
SO2
0.43ppb
NO2
0.13ppm
CO
AQI 44
Good
2.29μg/m³
PM2.5
5.89μg/m³
PM10
46.87ppb
O3
0.10ppb
SO2
0.48ppb
NO2
0.13ppm
CO
AQI 44
Good
8.25μg/m³
PM2.5
17.81μg/m³
PM10
31.21ppb
O3
0.69ppb
SO2
2.18ppb
NO2
0.08ppm
CO
AQI 52
Moderate
9.73μg/m³
PM2.5
20.65μg/m³
PM10
27.41ppb
O3
0.84ppb
SO2
2.61ppb
NO2
0.07ppm
CO
AQI 49
Good
9.43μg/m³
PM2.5
19.38μg/m³
PM10
27.30ppb
O3
0.79ppb
SO2
2.75ppb
NO2
0.06ppm
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 2026-03-09.
In the last 24 hrs, the best air quality in Bangor, Wales was observed at 11:00:00 on 2026-03-09.
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 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 2.822 μg/m3.
The current PM10 concentration at Bangor, Wales is 7.377 μg/m3.
The current carbon monoxide (CO) concentration at Bangor, Wales is 0.127 ppm.
The current sulfur dioxide (SO2) concentration at Bangor, Wales is 0.108 ppb.
The current ozone (O3) concentration at Bangor, Wales is 47.675 ppm.
The current nitrogen dioxide (NO2) concentration at Bangor, Wales is 0.571 ppb.
All Rights Reserved © Ambee Inc. 2025