Air Quality in Llanelli, United Kingdom

Partly Cloudy
14.5°C · 63.6% humidity
14.5°
Feels 14.5°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
36 3pm
33
26
27 6pm
30
31
33 9pm
34
34
35 12am
35
35
36 3am
36
36
36 6am
29
29
36 9am
36
36
36 12pm
36
36
Station readings
36
33
26
CAMS model adj +2
34
34
34
34
34
34
34
34
34
34
34
34
34
34
34
34
27
27
34
34
34
34
34
34
AD 728×90

Air Quality Index Trend

46h · 3 stn

Llanelli's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

63.6%
Humidity
38.4 km/h
Wind NNW
1029.7 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
27
6.4 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Llanelli?

Temperature & Precipitation

PM2.5 Trend

46h · 3 stations
PM2.56.4 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (5 stations within 25 km)
6.4
Median
6.3
Average
3.1
Low
10.1
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +0.7

What is the 7-day forecast for Llanelli?

09-05
14.5° 9.7°
1.37 mm
09-06
16.8° 11.5°
0.69 mm
09-07
15.3° 11.7°
18.06 mm
09-08
21.4° 8.6°
09-09
19.0° 10.5°
2.38 mm
09-10
17.0° 14.7°
1.81 mm
09-11
15.5° 11.6°
0.38 mm
Both models agree Avg diff: 2.8°C

Where are air quality stations near Llanelli?

42
Swansea Roadside, United Kingdom
15.8 km PM2.5: 10.1 µg/m³
–
Swansea Morfa Road NOX
16.6 km
34
Swansea Morriston Roadside, United Kingdom
16.7 km PM2.5: 8.2 µg/m³
34
Swansea Morriston Roadside, United Kingdom
16.7 km PM2.5: 8.2 µg/m³
17
Swansea Morriston Roadside, United Kingdom
16.7 km PM2.5: 4.1 µg/m³
13
Swansea Morriston Roadside, United Kingdom
16.7 km PM2.5: 3.1 µg/m³
25
Swansea Port Tennant Roadside
17.5 km PM2.5: 6.0 µg/m³
13
Port Talbot Little Warren, United Kingdom
27.1 km PM2.5: 3.1 µg/m³
12
Port Talbot Little Warren, United Kingdom
27.1 km PM2.5: 2.9 µg/m³
10
Port Talbot Little Warren, United Kingdom
27.1 km PM2.5: 2.4 µg/m³

What cities are near Llanelli?

25 Gorseinon 30 Swansea 25 Ammanford 23 Clydach 34 Carmarthen 20 Briton Ferry 22 Neath 22 Maesteg 21 Porthcawl 20 Bridgend
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T17:02 UTC.