Air Quality in Swansea, United Kingdom

Drizzle
17.2°C · 58.1% humidity
17.2°
Feels 17.2°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
23 11pm
30
25
29 2am
32
32
32 5am
32
32
32 8am
32
32
25 11am
32
32
25 2pm
25
25
25 5pm
32
32
32 8pm
32
32
Station readings
23
30
25
CAMS model adj -2
34
34
34
34
34
34
34
34
34
34
34
34
27
34
34
27
27
27
27
34
34
34
34
34
AD 728×90

Air Quality Index Trend

30h · 2 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.

58.1%
Humidity
92.8 km/h
Wind WSW
1010.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
29
6.91 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Swansea?

Temperature & Precipitation

PM2.5 Trend

30h · 2 stations
PM2.56.91 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (6 stations within 25 km)
6.91
Median
6.57
Average
5.0
Low
7.4
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +0.1

What is the 7-day forecast for Swansea?

08-03
29.0° 15.5°
1.13 mm
08-04
23.8° 10.8°
08-05
20.4° 12.0°
0.06 mm
08-06
19.6° 13.1°
1.88 mm
08-07
21.8° 11.9°
2.94 mm
08-08
18.6° 10.2°
1.06 mm
08-09
18.7° 7.9°
Both models agree Avg diff: 3.5°C

Where are air quality stations near Swansea?

–
Swansea Morfa Road NOX
0.7 km
33
Swansea Port Tennant Roadside
1.1 km PM2.5: 8.0 µg/m³
25
Swansea Roadside, United Kingdom
1.4 km PM2.5: 6.0 µg/m³
38
Swansea Roadside, United Kingdom
1.4 km PM2.5: 9.1 µg/m³
26
Swansea Roadside, United Kingdom
1.4 km PM2.5: 6.2 µg/m³
24
Swansea Morriston Roadside, United Kingdom
4.8 km PM2.5: 5.8 µg/m³
21
Swansea Morriston Roadside, United Kingdom
4.8 km PM2.5: 5.0 µg/m³
24
Swansea Morriston Roadside, United Kingdom
4.8 km PM2.5: 5.8 µg/m³
13
Port Talbot Little Warren, United Kingdom
10.6 km PM2.5: 3.1 µg/m³
13
Port Talbot Little Warren, United Kingdom
10.6 km PM2.5: 3.1 µg/m³

What cities are near Swansea?

25 Clydach 28 Briton Ferry 27 Gorseinon 28 Neath 27 Llanelli 26 Ammanford 26 Maesteg 27 Porthcawl 25 Bridgend 23 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 2026-08-08T01:03 UTC.