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
6.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.33 μg/m³
0
55
155
255
425
605+
36.35 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
1.71 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Carmarthen, Wales
Carmarthen, Wales
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AQI 34
Good
6.44μg/m³
PM2.5
14.85μg/m³
PM10
37.07ppb
O3
0.42ppb
SO2
1.78ppb
NO2
0.12ppm
CO
AQI 52
Moderate
9.73μg/m³
PM2.5
17.95μg/m³
PM10
36.39ppb
O3
0.41ppb
SO2
1.60ppb
NO2
0.12ppm
CO
AQI 52
Moderate
9.98μg/m³
PM2.5
18.00μg/m³
PM10
36.33ppb
O3
0.41ppb
SO2
1.60ppb
NO2
0.12ppm
CO
AQI 44
Good
8.32μg/m³
PM2.5
18.04μg/m³
PM10
37.04ppb
O3
0.39ppb
SO2
1.60ppb
NO2
0.12ppm
CO
AQI 44
Good
8.01μg/m³
PM2.5
18.00μg/m³
PM10
37.24ppb
O3
0.38ppb
SO2
1.60ppb
NO2
0.12ppm
CO
AQI 34
Good
6.18μg/m³
PM2.5
11.63μg/m³
PM10
36.93ppb
O3
0.40ppb
SO2
1.23ppb
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 10:00:00 on 2026-07-12.
In the last 24 hours, the best air quality in Carmarthen, Wales was observed at 06:00:00 on 2026-07-13.
As of now, the AQI in Carmarthen, Wales is 33, 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 6.16 μg/m3.
The PM10 concentration in Carmarthen, Wales is 13.326 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Carmarthen, Wales is 0.12 ppm.
Currently, Carmarthen, Wales has a sulfur dioxide (SO2) concentration of 0.415 ppb.
The current ozone (O3) level in Carmarthen, Wales at the moment is 36.35 ppm.
Nitrogen dioxide (NO2) level in Carmarthen, Wales at the moment is 1.709 ppb.
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