Air Quality in Llanelli, United Kingdom

Windy
18.5°C · 71.8% humidity
18.5°
Feels 18.5°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
27 3pm
27
27
37 6pm
34
32
31 9pm
30
29
35 12am
35
35
54 3am
54
54
54 6am
54
34
34 9am
34
34
34 12pm
34
34
AD 728×90

Air Quality Index Trend

47h · 5 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.

71.8%
Humidity
55.4 km/h
Wind NE
1023.1 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
37
8.86 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Llanelli?

Temperature & Precipitation

PM2.5 Trend

47h · 5 stations
PM2.58.86 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
AD 300×250
Station readings (4 stations within 25 km)
8.86
Median
8.85
Average
8.0
Low
10.1
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -2.6

What is the 7-day forecast for Llanelli?

05-29
18.5° 11.9°
6.63 mm
05-30
18.5° 12.1°
0.13 mm
05-31
16.6° 11.4°
1.44 mm
06-01
19.2° 10.0°
1.37 mm
06-02
16.3° 9.8°
14.5 mm
06-03
15.5° 11.5°
1.06 mm
06-04
16.7° 8.4°
10.31 mm
Both models agree Avg diff: 2.5°C

Where are air quality stations near Llanelli?

35
Swansea Roadside, United Kingdom
15.8 km PM2.5: 8.4 µg/m³
135
Swansea Roadside, United Kingdom
15.8 km PM2.5: 49.3 µg/m³
57
Swansea Roadside, United Kingdom
15.8 km PM2.5: 15.0 µg/m³
47
Swansea Roadside, United Kingdom
15.8 km PM2.5: 11.3 µg/m³
–
Swansea Morfa Road NOX
16.6 km
35
Swansea Morriston Roadside, United Kingdom
16.7 km PM2.5: 8.4 µg/m³
147
Swansea Morriston Roadside, United Kingdom
16.7 km PM2.5: 54.2 µg/m³
10
Swansea Morriston Roadside, United Kingdom
16.7 km PM2.5: 2.4 µg/m³
33
Swansea Port Tennant Roadside
17.5 km PM2.5: 8.0 µg/m³
72
Port Talbot Little Warren, United Kingdom
27.1 km PM2.5: 22.1 µg/m³

What cities are near Llanelli?

35 Gorseinon 35 Swansea 38 Ammanford 38 Clydach 35 Carmarthen 28 Briton Ferry 30 Neath 27 Maesteg 26 Porthcawl 25 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 2026-05-29T17:00 UTC.