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)
49
Good
Carmarthen, Wales
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.49 μg/m³
0
55
155
255
425
605+
24.76 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
7.48 ppb
0
54
101
361
1250
2050+
0.80 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Carmarthen, Wales
Carmarthen, Wales
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AQI 44
Good
8.43μg/m³
PM2.5
19.83μg/m³
PM10
26.45ppb
O3
0.51ppb
SO2
7.19ppb
NO2
1.01ppm
CO
AQI 54
Moderate
10.64μg/m³
PM2.5
26.89μg/m³
PM10
26.49ppb
O3
0.55ppb
SO2
21.41ppb
NO2
1.01ppm
CO
AQI 54
Moderate
10.98μg/m³
PM2.5
27.00μg/m³
PM10
26.75ppb
O3
0.55ppb
SO2
22.78ppb
NO2
1.01ppm
CO
AQI 44
Good
7.76μg/m³
PM2.5
28.35μg/m³
PM10
22.19ppb
O3
0.58ppb
SO2
10.57ppb
NO2
1.01ppm
CO
AQI 38
Good
7.02μg/m³
PM2.5
28.98μg/m³
PM10
20.96ppb
O3
0.59ppb
SO2
7.54ppb
NO2
1.01ppm
CO
AQI 49
Good
8.82μg/m³
PM2.5
19.97μg/m³
PM10
28.34ppb
O3
0.41ppb
SO2
8.02ppb
NO2
1.01ppm
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 12:00:00 on 2026-02-12.
In the last 24 hours, the best air quality in Carmarthen, Wales was observed at 01:00:00 on 2026-02-11.
As of now, the AQI in Carmarthen, Wales is 49, 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 8.941 μg/m3.
The PM10 concentration in Carmarthen, Wales is 23.494 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Carmarthen, Wales is 0.803 ppm.
Currently, Carmarthen, Wales has a sulfur dioxide (SO2) concentration of 0.532 ppb.
The current ozone (O3) level in Carmarthen, Wales at the moment is 24.758 ppm.
Nitrogen dioxide (NO2) level in Carmarthen, Wales at the moment is 7.479 ppb.
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