Air Quality in Swansea, United Kingdom

Overcast
7.2°C · 96.0% humidity
7.2°
Feels 7.2°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
28 11pm
28
28
26 2am
28
28
28 5am
28
28
28 8am
28
26
26 11am
26
26
28 2pm
28
28
28 5pm
28
28
35 8pm
28
28
Station readings 27h ago
AQI 25
PM2.5 6.0 µg/m³ · 27h ago
AD 728×90

Air Quality Index Trend

48h · 1 stn

Swansea'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.

96.0%
Humidity
4.3 km/h
Wind SSW
1021.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
26
6.22 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Swansea?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.56.22 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
6.22
Median
6.3
Average
6.2
Low
6.5
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -0.1

What is the 7-day forecast for Swansea?

06-09
18.0° 7.2°
1.69 mm
06-10
15.5° 11.4°
4.75 mm
06-11
22.8° 12.8°
9.62 mm
06-12
17.5° 8.7°
06-13
16.0° 8.8°
0.94 mm
06-14
20.9° 9.8°
0.38 mm
06-15
17.0° 11.6°
1.81 mm
Both models agree Avg diff: 3.3°C

Where are air quality stations near Swansea?

–
Swansea Morfa Road NOX
0.7 km
42
Swansea Port Tennant Roadside
1.1 km PM2.5: 10.0 µg/m³
21
Swansea Roadside, United Kingdom
1.4 km PM2.5: 5.0 µg/m³
53
Swansea Roadside, United Kingdom
1.4 km PM2.5: 13.1 µg/m³
85
Swansea Roadside, United Kingdom
1.4 km PM2.5: 28.3 µg/m³
59
Swansea Roadside, United Kingdom
1.4 km PM2.5: 15.9 µg/m³
–
Swansea Morriston Roadside, United Kingdom
4.8 km
46
Swansea Morriston Roadside, United Kingdom
4.8 km PM2.5: 11.0 µg/m³
48
Swansea Morriston Roadside, United Kingdom
4.8 km PM2.5: 11.5 µg/m³
34
Port Talbot Little Warren, United Kingdom
10.6 km PM2.5: 8.2 µg/m³

What cities are near Swansea?

27 Clydach 26 Briton Ferry 26 Gorseinon 26 Neath 26 Llanelli 27 Ammanford 25 Maesteg 26 Porthcawl 22 Bridgend 21 Coity
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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 2026-06-09T01:42 UTC.