Stay updated with real-time air quality in Colwyn Bay, 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)
40
Good
Colwyn Bay, Wales
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.50 μg/m³
0
55
155
255
425
605+
42.71 ppb
0
55
71
86
201
201+
0.06 ppb
0
36
76
186
605
1005+
0.54 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Colwyn Bay, Wales
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AQI 41
Good
3.58μg/m³
PM2.5
9.50μg/m³
PM10
43.71ppb
O3
0.06ppb
SO2
0.49ppb
NO2
0.10ppm
CO
AQI 41
Good
3.61μg/m³
PM2.5
9.48μg/m³
PM10
43.64ppb
O3
0.05ppb
SO2
0.49ppb
NO2
0.10ppm
CO
AQI 32
Good
2.77μg/m³
PM2.5
8.01μg/m³
PM10
34.75ppb
O3
0.59ppb
SO2
1.35ppb
NO2
0.09ppm
CO
AQI 31
Good
2.52μg/m³
PM2.5
7.57μg/m³
PM10
33.20ppb
O3
0.73ppb
SO2
1.53ppb
NO2
0.08ppm
CO
AQI 40
Good
3.53μg/m³
PM2.5
8.87μg/m³
PM10
43.37ppb
O3
0.08ppb
SO2
0.69ppb
NO2
0.10ppm
CO
AQI 31
Good
2.52μg/m³
PM2.5
8.03μg/m³
PM10
33.18ppb
O3
0.81ppb
SO2
1.66ppb
NO2
0.08ppm
CO
Air quality measurements for Wales, UK meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Colwyn Bay, Wales is updated on an hourly basis.
The worst air quality in Colwyn Bay, Wales was recorded at 10:00:00 on 2025-06-06.
The best air quality in Colwyn Bay, Wales was recorded at 01:00:00 on 2025-06-06.
The real-time air quality index in Colwyn Bay, Wales is 40, currently categorized as Good.
The most common pollutant in Colwyn Bay, Wales is O3.
If the air quality in Colwyn Bay, Wales is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Colwyn Bay, Wales at present are 3.665 μg/m3.
The current PM10 levels in Colwyn Bay, Wales are 9.5 μg/m3.
The current carbon monoxide (CO) level in Colwyn Bay, Wales is 0.099 ppm.
The current sulfur dioxide (SO2) levels in Colwyn Bay, Wales are 0.057 ppb.
The current ozone (O3) levels at Colwyn Bay, Wales is 42.714 ppm.
The current nitrogen dioxide (NO2) levels at Colwyn Bay, Wales is 0.536 ppb.
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