Stay updated with real-time air quality in Carmarthen, 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)
52
Moderate
Carmarthen, Wales
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.67 μg/m³
0
55
155
255
425
605+
28.29 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
6.16 ppb
0
54
101
361
1250
2050+
0.53 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Carmarthen, Wales
Carmarthen, Wales
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AQI 52
Moderate
9.68μg/m³
PM2.5
23.02μg/m³
PM10
29.31ppb
O3
0.53ppb
SO2
3.27ppb
NO2
0.63ppm
CO
AQI 54
Moderate
10.72μg/m³
PM2.5
27.81μg/m³
PM10
21.29ppb
O3
0.60ppb
SO2
14.47ppb
NO2
0.63ppm
CO
AQI 54
Moderate
10.98μg/m³
PM2.5
28.00μg/m³
PM10
21.48ppb
O3
0.60ppb
SO2
15.37ppb
NO2
0.63ppm
CO
AQI 49
Good
8.55μg/m³
PM2.5
28.59μg/m³
PM10
16.34ppb
O3
0.60ppb
SO2
8.05ppb
NO2
0.63ppm
CO
AQI 44
Good
8.02μg/m³
PM2.5
28.98μg/m³
PM10
14.85ppb
O3
0.60ppb
SO2
6.43ppb
NO2
0.63ppm
CO
AQI 44
Good
8.42μg/m³
PM2.5
15.92μg/m³
PM10
33.21ppb
O3
0.41ppb
SO2
5.08ppb
NO2
0.63ppm
CO
Air quality and pollutant data for Wales, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Carmarthen, Wales is updated every hour for accuracy.
In the past 24 hours, the air quality in Carmarthen, Wales was at its worst at 02:00:00 on 2026-02-12.
In the last 24 hours, the best air quality in Carmarthen, Wales was observed at 03:00:00 on 2026-02-11.
As of now, the AQI in Carmarthen, Wales is 52, indicating Moderate conditions.
Carmarthen, Wales air has the highest levels of PM2.5.
Poor air quality in Carmarthen, Wales means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Carmarthen, Wales are currently 9.516 μg/m3.
The PM10 concentration in Carmarthen, Wales is 20.673 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Carmarthen, Wales is 0.531 ppm.
Currently, Carmarthen, Wales has a sulfur dioxide (SO2) concentration of 0.441 ppb.
The current ozone (O3) level in Carmarthen, Wales at the moment is 28.287 ppm.
Nitrogen dioxide (NO2) level in Carmarthen, Wales at the moment is 6.161 ppb.
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