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)
33
Good
Conwy, Wales
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.04 μg/m³
0
55
155
255
425
605+
31.64 ppb
0
55
71
86
201
201+
0.17 ppb
0
36
76
186
605
1005+
1.07 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Conwy, Wales
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AQI 33
Good
6.06μg/m³
PM2.5
12.09μg/m³
PM10
32.29ppb
O3
0.19ppb
SO2
1.23ppb
NO2
0.12ppm
CO
AQI 33
Good
6.38μg/m³
PM2.5
12.70μg/m³
PM10
32.23ppb
O3
0.20ppb
SO2
1.53ppb
NO2
0.12ppm
CO
AQI 36
Good
5.88μg/m³
PM2.5
10.57μg/m³
PM10
38.52ppb
O3
0.24ppb
SO2
1.55ppb
NO2
0.12ppm
CO
AQI 33
Good
5.55μg/m³
PM2.5
11.83μg/m³
PM10
28.00ppb
O3
0.65ppb
SO2
6.30ppb
NO2
0.83ppm
CO
AQI 27
Good
5.26μg/m³
PM2.5
11.37μg/m³
PM10
27.67ppb
O3
0.75ppb
SO2
7.44ppb
NO2
1.01ppm
CO
AQI 27
Good
4.70μg/m³
PM2.5
7.60μg/m³
PM10
19.83ppb
O3
0.75ppb
SO2
15.97ppb
NO2
1.01ppm
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 06:00:00 on 2026-02-11.
In the last 24 hours, the best air quality in Conwy, Wales was observed at 05:00:00 on 2026-02-11.
As of now, the AQI in Conwy, Wales is 33, indicating Good conditions.
Conwy, Wales air has the highest levels of PM2.5.
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 5.938 μg/m3.
The PM10 concentration in Conwy, Wales is 12.038 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Conwy, Wales is 0.119 ppm.
Currently, Conwy, Wales has a sulfur dioxide (SO2) concentration of 0.17 ppb.
The current ozone (O3) level in Conwy, Wales at the moment is 31.643 ppm.
Nitrogen dioxide (NO2) level in Conwy, Wales at the moment is 1.075 ppb.
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