Stay updated with real-time air quality in Llanelli, 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)
38
Good
Llanelli, Wales
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.21 μg/m³
0
55
155
255
425
605+
19.70 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
11.22 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Llanelli, Wales
Llanelli, Wales
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AQI 52
Moderate
9.77μg/m³
PM2.5
13.54μg/m³
PM10
22.08ppb
O3
0.44ppb
SO2
21.93ppb
NO2
0.22ppm
CO
AQI 52
Moderate
9.99μg/m³
PM2.5
13.97μg/m³
PM10
21.97ppb
O3
0.44ppb
SO2
23.31ppb
NO2
0.22ppm
CO
AQI 38
Good
6.84μg/m³
PM2.5
10.14μg/m³
PM10
19.45ppb
O3
0.49ppb
SO2
10.64ppb
NO2
0.23ppm
CO
AQI 44
Good
8.35μg/m³
PM2.5
10.08μg/m³
PM10
23.36ppb
O3
0.40ppb
SO2
10.27ppb
NO2
0.21ppm
CO
AQI 44
Good
8.01μg/m³
PM2.5
9.03μg/m³
PM10
23.96ppb
O3
0.38ppb
SO2
7.01ppb
NO2
0.21ppm
CO
AQI 44
Good
8.10μg/m³
PM2.5
9.59μg/m³
PM10
23.45ppb
O3
0.39ppb
SO2
8.57ppb
NO2
0.21ppm
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 Llanelli, Wales is updated every hour for accuracy.
In the past 24 hours, the air quality in Llanelli, Wales was at its worst at 08:00:00 on 2026-01-19.
In the last 24 hours, the best air quality in Llanelli, Wales was observed at 05:00:00 on 2026-01-19.
As of now, the AQI in Llanelli, Wales is 38, indicating Good conditions.
Llanelli, Wales air has the highest levels of PM2.5.
Poor air quality in Llanelli, Wales means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Llanelli, Wales are currently 7.379 μg/m3.
The PM10 concentration in Llanelli, Wales is 10.211 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Llanelli, Wales is 0.227 ppm.
Currently, Llanelli, Wales has a sulfur dioxide (SO2) concentration of 0.484 ppb.
The current ozone (O3) level in Llanelli, Wales at the moment is 19.696 ppm.
Nitrogen dioxide (NO2) level in Llanelli, Wales at the moment is 11.219 ppb.
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