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)
33
Good
Carmarthen, Wales
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.09 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.06 μg/m³
0
55
155
255
425
605+
31.33 ppb
0
55
71
86
201
201+
0.26 ppb
0
36
76
186
605
1005+
2.40 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Carmarthen, Wales
Carmarthen, Wales
Scroll To Air Quality MapLoading...
AQI 38
Good
6.56μg/m³
PM2.5
12.33μg/m³
PM10
31.55ppb
O3
0.28ppb
SO2
3.31ppb
NO2
0.13ppm
CO
AQI 33
Good
6.17μg/m³
PM2.5
12.65μg/m³
PM10
31.69ppb
O3
0.39ppb
SO2
4.97ppb
NO2
0.13ppm
CO
AQI 38
Good
6.60μg/m³
PM2.5
12.80μg/m³
PM10
32.09ppb
O3
0.45ppb
SO2
5.78ppb
NO2
0.13ppm
CO
AQI 33
Good
5.70μg/m³
PM2.5
11.82μg/m³
PM10
34.98ppb
O3
0.43ppb
SO2
3.85ppb
NO2
0.13ppm
CO
AQI 33
Good
6.39μg/m³
PM2.5
12.88μg/m³
PM10
35.33ppb
O3
0.71ppb
SO2
3.94ppb
NO2
0.15ppm
CO
AQI 33
Good
6.08μg/m³
PM2.5
12.67μg/m³
PM10
29.14ppb
O3
0.34ppb
SO2
2.88ppb
NO2
0.13ppm
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 2025-12-28.
In the last 24 hours, the best air quality in Carmarthen, Wales was observed at 08:00:00 on 2025-12-28.
As of now, the AQI in Carmarthen, Wales is 33, indicating Good 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 6.087 μg/m3.
The PM10 concentration in Carmarthen, Wales is 12.06 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Carmarthen, Wales is 0.124 ppm.
Currently, Carmarthen, Wales has a sulfur dioxide (SO2) concentration of 0.264 ppb.
The current ozone (O3) level in Carmarthen, Wales at the moment is 31.334 ppm.
Nitrogen dioxide (NO2) level in Carmarthen, Wales at the moment is 2.4 ppb.
All Rights Reserved © Ambee Inc. 2025