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)
21
Good
Llanelli, Wales
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
5.99 μg/m³
0
55
155
255
425
605+
23.27 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
1.28 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Llanelli, Wales
Llanelli, Wales
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AQI 22
Good
3.80μg/m³
PM2.5
4.10μg/m³
PM10
12.81ppb
O3
0.58ppb
SO2
2.15ppb
NO2
0.28ppm
CO
AQI 22
Good
3.99μg/m³
PM2.5
4.01μg/m³
PM10
12.72ppb
O3
0.56ppb
SO2
2.13ppb
NO2
0.28ppm
CO
AQI 16
Good
2.66μg/m³
PM2.5
5.46μg/m³
PM10
14.91ppb
O3
0.48ppb
SO2
3.72ppb
NO2
0.28ppm
CO
AQI 12
Good
2.37μg/m³
PM2.5
4.85μg/m³
PM10
13.48ppb
O3
0.72ppb
SO2
2.19ppb
NO2
0.28ppm
CO
AQI 13
Good
2.01μg/m³
PM2.5
5.00μg/m³
PM10
13.77ppb
O3
0.76ppb
SO2
2.13ppb
NO2
0.28ppm
CO
AQI 13
Good
2.15μg/m³
PM2.5
4.99μg/m³
PM10
13.57ppb
O3
0.74ppb
SO2
2.22ppb
NO2
0.28ppm
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 06:00:00 on 2026-10-06.
In the last 24 hours, the best air quality in Llanelli, Wales was observed at 11:00:00 on 2026-10-06.
As of now, the AQI in Llanelli, Wales is 16, 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 3.015 μg/m3.
The PM10 concentration in Llanelli, Wales is 4.892 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Llanelli, Wales is 0.285 ppm.
Currently, Llanelli, Wales has a sulfur dioxide (SO2) concentration of 0.512 ppb.
The current ozone (O3) level in Llanelli, Wales at the moment is 12.713 ppm.
Nitrogen dioxide (NO2) level in Llanelli, Wales at the moment is 3.706 ppb.
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