Stay updated with real-time air quality in Caerphilly, 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)
22
Good
Caerphilly, Wales
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.14 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.97 μg/m³
0
55
155
255
425
605+
24.13 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
5.27 ppb
0
54
101
361
1250
2050+
0.06 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Caerphilly, Wales
Caerphilly, Wales
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AQI 26
Good
2.63μg/m³
PM2.5
6.53μg/m³
PM10
28.42ppb
O3
0.38ppb
SO2
2.31ppb
NO2
0.07ppm
CO
AQI 27
Good
1.91μg/m³
PM2.5
5.83μg/m³
PM10
29.06ppb
O3
0.38ppb
SO2
2.39ppb
NO2
0.07ppm
CO
AQI 26
Good
2.82μg/m³
PM2.5
7.45μg/m³
PM10
27.51ppb
O3
0.38ppb
SO2
2.53ppb
NO2
0.07ppm
CO
AQI 26
Good
1.41μg/m³
PM2.5
6.97μg/m³
PM10
28.25ppb
O3
0.38ppb
SO2
3.69ppb
NO2
0.07ppm
CO
AQI 28
Good
2.18μg/m³
PM2.5
6.09μg/m³
PM10
29.56ppb
O3
0.38ppb
SO2
1.64ppb
NO2
0.07ppm
CO
AQI 27
Good
2.02μg/m³
PM2.5
4.34μg/m³
PM10
29.27ppb
O3
0.38ppb
SO2
2.09ppb
NO2
0.07ppm
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 Caerphilly, Wales is updated on an hourly basis.
The worst air quality in Caerphilly, Wales was recorded at 08:00:00 on 2025-07-21.
The best air quality in Caerphilly, Wales was recorded at 12:00:00 on 2025-07-22.
The real-time air quality index in Caerphilly, Wales is 27, currently categorized as Good.
The most common pollutant in Caerphilly, Wales is O3.
If the air quality in Caerphilly, Wales is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Caerphilly, Wales at present are 1.675 μg/m3.
The current PM10 levels in Caerphilly, Wales are 6.542 μg/m3.
The current carbon monoxide (CO) level in Caerphilly, Wales is 0.071 ppm.
The current sulfur dioxide (SO2) levels in Caerphilly, Wales are 0.382 ppb.
The current ozone (O3) levels at Caerphilly, Wales is 28.526 ppm.
The current nitrogen dioxide (NO2) levels at Caerphilly, Wales is 3.116 ppb.
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