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)
40
Good
Caerphilly, Wales
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.86 μg/m³
0
55
155
255
425
605+
43.18 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
3.74 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Caerphilly, Wales
Caerphilly, Wales
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AQI 44
Good
8.38μg/m³
PM2.5
15.38μg/m³
PM10
39.91ppb
O3
0.57ppb
SO2
3.79ppb
NO2
0.10ppm
CO
AQI 40
Good
6.82μg/m³
PM2.5
16.80μg/m³
PM10
43.40ppb
O3
0.56ppb
SO2
2.98ppb
NO2
0.09ppm
CO
AQI 49
Good
8.77μg/m³
PM2.5
20.04μg/m³
PM10
38.68ppb
O3
0.57ppb
SO2
3.85ppb
NO2
0.10ppm
CO
AQI 40
Good
3.89μg/m³
PM2.5
17.00μg/m³
PM10
43.37ppb
O3
0.56ppb
SO2
4.24ppb
NO2
0.10ppm
CO
AQI 40
Good
7.21μg/m³
PM2.5
17.02μg/m³
PM10
43.38ppb
O3
0.56ppb
SO2
1.69ppb
NO2
0.10ppm
CO
AQI 49
Good
8.70μg/m³
PM2.5
16.17μg/m³
PM10
43.66ppb
O3
0.55ppb
SO2
2.60ppb
NO2
0.09ppm
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 11:00:00 on 2025-06-12.
The best air quality in Caerphilly, Wales was recorded at 04:00:00 on 2025-06-12.
The real-time air quality index in Caerphilly, Wales is 40, 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 5.229 μg/m3.
The current PM10 levels in Caerphilly, Wales are 16.858 μg/m3.
The current carbon monoxide (CO) level in Caerphilly, Wales is 0.096 ppm.
The current sulfur dioxide (SO2) levels in Caerphilly, Wales are 0.565 ppb.
The current ozone (O3) levels at Caerphilly, Wales is 43.184 ppm.
The current nitrogen dioxide (NO2) levels at Caerphilly, Wales is 3.737 ppb.
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