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)
34
Good
Carmarthen, Wales
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.95 μg/m³
0
55
155
255
425
605+
37.12 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
2.58 ppb
0
54
101
361
1250
2050+
0.11 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 31
Good
3.51μg/m³
PM2.5
9.88μg/m³
PM10
34.43ppb
O3
0.71ppb
SO2
3.14ppb
NO2
0.12ppm
CO
AQI 31
Good
3.85μg/m³
PM2.5
8.97μg/m³
PM10
34.08ppb
O3
0.73ppb
SO2
1.76ppb
NO2
0.12ppm
CO
AQI 31
Good
3.99μg/m³
PM2.5
9.00μg/m³
PM10
34.04ppb
O3
0.73ppb
SO2
1.60ppb
NO2
0.12ppm
CO
AQI 31
Good
2.42μg/m³
PM2.5
8.29μg/m³
PM10
34.20ppb
O3
0.75ppb
SO2
2.53ppb
NO2
0.12ppm
CO
AQI 31
Good
2.01μg/m³
PM2.5
8.01μg/m³
PM10
34.19ppb
O3
0.76ppb
SO2
2.66ppb
NO2
0.12ppm
CO
AQI 32
Good
3.32μg/m³
PM2.5
11.33μg/m³
PM10
35.04ppb
O3
0.66ppb
SO2
2.63ppb
NO2
0.12ppm
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 06:00:00 on 2026-05-13.
In the last 24 hours, the best air quality in Carmarthen, Wales was observed at 11:00:00 on 2026-05-14.
As of now, the AQI in Carmarthen, Wales is 34, indicating Good conditions.
Carmarthen, Wales air has the highest levels of O3.
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 3.258 μg/m3.
The PM10 concentration in Carmarthen, Wales is 8.954 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Carmarthen, Wales is 0.108 ppm.
Currently, Carmarthen, Wales has a sulfur dioxide (SO2) concentration of 0.668 ppb.
The current ozone (O3) level in Carmarthen, Wales at the moment is 37.124 ppm.
Nitrogen dioxide (NO2) level in Carmarthen, Wales at the moment is 2.58 ppb.
All Rights Reserved © Ambee Inc. 2025