Air Quality in Llanelli, United Kingdom

Windy
14.9°C · 52.6% humidity
14.9°
Feels 14.9°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
42 1am
42
42
17 4am
24
29
33 7am
35
37
39 10am
40
40
41 1pm
41
41
42 4pm
42
42
42 7pm
42
42
42 10pm
42
42
Station readings 44h ago
AQI 42
PM2.5 10.1 µg/m³ · 44h ago
AD 728×90

Air Quality Index Trend

48h · 2 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.

52.6%
Humidity
49.1 km/h
Wind NE
1013.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
17
4.1 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Llanelli?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.54.1 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
4.1
Median
4.1
Average
4.1
Low
4.1
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +1.9

What is the 7-day forecast for Llanelli?

07-22
17.7° 14.9°
3.81 mm
07-23
18.3° 12.3°
3.13 mm
07-24
17.5° 14.6°
6.13 mm
07-25
17.7° 9.8°
0.56 mm
07-26
18.8° 12.9°
1.13 mm
07-27
18.2° 14.8°
7.69 mm
07-28
20.5° 13.8°
0.19 mm
Both models agree Avg diff: 2.9°C

Where are air quality stations near Llanelli?

55
Swansea Roadside, United Kingdom
15.8 km PM2.5: 14.0 µg/m³
20
Swansea Roadside, United Kingdom
15.8 km PM2.5: 4.8 µg/m³
154
Swansea Roadside, United Kingdom
15.8 km PM2.5: 61.3 µg/m³
89
Swansea Roadside, United Kingdom
15.8 km PM2.5: 30.2 µg/m³
–
Swansea Morfa Road NOX
16.6 km
27
Swansea Morriston Roadside, United Kingdom
16.7 km PM2.5: 6.5 µg/m³
26
Swansea Morriston Roadside, United Kingdom
16.7 km PM2.5: 6.2 µg/m³
28
Swansea Morriston Roadside, United Kingdom
16.7 km PM2.5: 6.7 µg/m³
46
Swansea Port Tennant Roadside
17.5 km PM2.5: 11.0 µg/m³
107
Port Talbot Little Warren, United Kingdom
27.1 km PM2.5: 37.9 µg/m³

What cities are near Llanelli?

20 Gorseinon 18 Swansea 17 Ammanford 22 Clydach 38 Carmarthen 31 Briton Ferry 29 Neath 33 Maesteg 32 Porthcawl 35 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 2026-07-22T03:14 UTC.