Swansea, Wales live air quality index now
Stay updated with real-time air quality in Swansea, Wales featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
44
Good
Swansea, Wales
Last updated: ... (Local time)
Major air pollutants in Swansea, Wales
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
7.99 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
15.01 μg/m³
0
55
155
255
425
605+
Ozone (O3)
27.51 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.47 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
4.77 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Swansea, Wales
Swansea, Wales
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Air quality in nearby cities
Gorseinon, Wales
AQI 44
Good
7.82μg/m³
PM2.5
15.09μg/m³
PM10
28.22ppb
O3
0.42ppb
SO2
4.97ppb
NO2
0.17ppm
CO
Neath, Wales
AQI 38
Good
7.09μg/m³
PM2.5
17.25μg/m³
PM10
28.11ppb
O3
0.39ppb
SO2
2.31ppb
NO2
0.17ppm
CO
Port Talbot, Wales
AQI 38
Good
7.00μg/m³
PM2.5
17.98μg/m³
PM10
28.06ppb
O3
0.38ppb
SO2
1.62ppb
NO2
0.17ppm
CO
Llanelli, Wales
AQI 33
Good
6.32μg/m³
PM2.5
13.06μg/m³
PM10
27.63ppb
O3
0.41ppb
SO2
2.59ppb
NO2
0.17ppm
CO
Maesteg, Wales
AQI 38
Good
6.94μg/m³
PM2.5
17.51μg/m³
PM10
28.09ppb
O3
0.39ppb
SO2
1.91ppb
NO2
0.17ppm
CO
Pyle, Wales
AQI 38
Good
6.82μg/m³
PM2.5
17.10μg/m³
PM10
28.11ppb
O3
0.39ppb
SO2
2.08ppb
NO2
0.17ppm
CO
How accurate is Wales, UK air quality data?
Air quality data and pollutant measurements for Wales, UK adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
Frequently asked questions
How often is the air quality data for Swansea, Wales updated?
The air quality for Swansea, Wales is updated every hour.
When was the worst air quality at Swansea, Wales in the last 24 hrs?
The worst air quality in Swansea, Wales in the last 24 hours was observed at 05:00:00 on 2026-06-29.
When was the best air quality at Swansea, Wales in the last 24 hrs?
In the last 24 hrs, the best air quality in Swansea, Wales was observed at 10:00:00 on 2026-06-29.
What is the current air quality in Swansea, Wales?
The current air quality in Swansea, Wales is 44, categorized as Good based on real-time data.
What pollutant is the most common in Swansea, Wales?
The most common pollutant in Swansea, Wales is PM2.5.
What should I do if the air quality in Swansea, Wales is poor?
If the air quality in Swansea, Wales is poor, consider staying indoors and wearing a mask to protect yourself.
What is the current concentration of PM2.5 in Swansea, Wales?
The current PM2.5 concentration at Swansea, Wales is 7.991 μg/m3.
What is the current concentration of PM10 in Swansea, Wales?
The current PM10 concentration at Swansea, Wales is 15.011 μg/m3.
What is the current concentration of carbon monoxide (CO) in Swansea, Wales?
The current carbon monoxide (CO) concentration at Swansea, Wales is 0.174 ppm.
What is the current concentration of sulfur dioxide (SO2) in Swansea, Wales?
The current sulfur dioxide (SO2) concentration at Swansea, Wales is 0.466 ppb.
What is the current concentration of ozone (O3) in Swansea, Wales?
The current ozone (O3) concentration at Swansea, Wales is 27.51 ppm.
What is the current concentration of nitrogen dioxide (NO2) in Swansea, Wales?
The current nitrogen dioxide (NO2) concentration at Swansea, Wales is 4.769 ppb.
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