Stay updated with real-time air quality in Conwy, 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)
46
Good
Conwy, Wales
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.74 μg/m³
0
55
155
255
425
605+
50.18 ppb
0
55
71
86
201
201+
0.16 ppb
0
36
76
186
605
1005+
1.02 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Conwy, Wales
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AQI 46
Good
4.60μg/m³
PM2.5
14.63μg/m³
PM10
50.07ppb
O3
0.17ppb
SO2
1.01ppb
NO2
0.11ppm
CO
AQI 46
Good
4.57μg/m³
PM2.5
14.68μg/m³
PM10
49.99ppb
O3
0.19ppb
SO2
0.98ppb
NO2
0.11ppm
CO
AQI 46
Good
4.95μg/m³
PM2.5
15.62μg/m³
PM10
50.26ppb
O3
0.20ppb
SO2
1.58ppb
NO2
0.11ppm
CO
AQI 40
Good
4.42μg/m³
PM2.5
12.71μg/m³
PM10
42.79ppb
O3
0.34ppb
SO2
1.72ppb
NO2
0.10ppm
CO
AQI 38
Good
4.38μg/m³
PM2.5
12.18μg/m³
PM10
40.97ppb
O3
0.38ppb
SO2
1.91ppb
NO2
0.10ppm
CO
AQI 38
Good
4.38μg/m³
PM2.5
11.24μg/m³
PM10
40.99ppb
O3
0.41ppb
SO2
1.72ppb
NO2
0.09ppm
CO
Air quality and pollutant data for Wales, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Conwy, Wales is updated every hour for accuracy.
In the past 24 hours, the air quality in Conwy, Wales was at its worst at 09:00:00 on 2026-03-29.
In the last 24 hours, the best air quality in Conwy, Wales was observed at 01:00:00 on 2026-03-29.
As of now, the AQI in Conwy, Wales is 46, indicating Good conditions.
Conwy, Wales air has the highest levels of O3.
Poor air quality in Conwy, Wales means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Conwy, Wales are currently 4.604 μg/m3.
The PM10 concentration in Conwy, Wales is 14.744 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Conwy, Wales is 0.109 ppm.
Currently, Conwy, Wales has a sulfur dioxide (SO2) concentration of 0.163 ppb.
The current ozone (O3) level in Conwy, Wales at the moment is 50.18 ppm.
Nitrogen dioxide (NO2) level in Conwy, Wales at the moment is 1.02 ppb.
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