Stay updated with real-time air quality in Llandudno, 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)
40
Good
Llandudno, Wales
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.14 μg/m³
0
55
155
255
425
605+
42.52 ppb
0
55
71
86
201
201+
0.17 ppb
0
36
76
186
605
1005+
0.77 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Llandudno, Wales
Llandudno, Wales
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AQI 34
Good
5.57μg/m³
PM2.5
10.04μg/m³
PM10
37.45ppb
O3
0.16ppb
SO2
1.04ppb
NO2
0.11ppm
CO
AQI 34
Good
5.52μg/m³
PM2.5
9.99μg/m³
PM10
36.80ppb
O3
0.18ppb
SO2
1.06ppb
NO2
0.11ppm
CO
AQI 49
Good
8.91μg/m³
PM2.5
23.39μg/m³
PM10
31.82ppb
O3
0.69ppb
SO2
3.46ppb
NO2
0.06ppm
CO
AQI 38
Good
7.07μg/m³
PM2.5
12.73μg/m³
PM10
39.74ppb
O3
0.11ppb
SO2
1.66ppb
NO2
0.12ppm
CO
AQI 52
Moderate
9.82μg/m³
PM2.5
26.77μg/m³
PM10
30.51ppb
O3
0.82ppb
SO2
4.06ppb
NO2
0.05ppm
CO
AQI 52
Moderate
9.94μg/m³
PM2.5
28.77μg/m³
PM10
23.68ppb
O3
0.84ppb
SO2
5.86ppb
NO2
0.05ppm
CO
Air quality measurements for Wales, UK meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Llandudno, Wales is updated on an hourly basis.
The worst air quality in Llandudno, Wales was recorded at 04:00:00 on 2026-07-11.
The best air quality in Llandudno, Wales was recorded at 09:00:00 on 2026-07-11.
The real-time air quality index in Llandudno, Wales is 40, currently categorized as Good.
The most common pollutant in Llandudno, Wales is O3.
If the air quality in Llandudno, Wales is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Llandudno, Wales at present are 5.865 μg/m3.
The current PM10 levels in Llandudno, Wales are 10.145 μg/m3.
The current carbon monoxide (CO) level in Llandudno, Wales is 0.11 ppm.
The current sulfur dioxide (SO2) levels in Llandudno, Wales are 0.174 ppb.
The current ozone (O3) levels at Llandudno, Wales is 42.524 ppm.
The current nitrogen dioxide (NO2) levels at Llandudno, Wales is 0.769 ppb.
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