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)
44
Good
Conwy, Wales
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.73 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.54 μg/m³
0
55
155
255
425
605+
26.84 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
6.65 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Conwy, Wales
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AQI 31
Good
5.22μg/m³
PM2.5
13.53μg/m³
PM10
32.89ppb
O3
0.42ppb
SO2
5.57ppb
NO2
0.13ppm
CO
AQI 30
Good
5.43μg/m³
PM2.5
13.81μg/m³
PM10
32.32ppb
O3
0.45ppb
SO2
5.98ppb
NO2
0.13ppm
CO
AQI 31
Good
5.17μg/m³
PM2.5
12.78μg/m³
PM10
33.74ppb
O3
0.30ppb
SO2
4.58ppb
NO2
0.13ppm
CO
AQI 33
Good
5.89μg/m³
PM2.5
14.66μg/m³
PM10
30.98ppb
O3
0.55ppb
SO2
7.64ppb
NO2
0.14ppm
CO
AQI 33
Good
5.86μg/m³
PM2.5
15.13μg/m³
PM10
30.53ppb
O3
0.59ppb
SO2
8.15ppb
NO2
0.14ppm
CO
AQI 33
Good
5.82μg/m³
PM2.5
16.12μg/m³
PM10
27.53ppb
O3
0.77ppb
SO2
10.44ppb
NO2
0.15ppm
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 02:00:00 on 2025-12-28.
In the last 24 hours, the best air quality in Conwy, Wales was observed at 05:00:00 on 2025-12-28.
As of now, the AQI in Conwy, Wales is 31, 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 5.272 μg/m3.
The PM10 concentration in Conwy, Wales is 13.548 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Conwy, Wales is 0.13 ppm.
Currently, Conwy, Wales has a sulfur dioxide (SO2) concentration of 0.431 ppb.
The current ozone (O3) level in Conwy, Wales at the moment is 33.023 ppm.
Nitrogen dioxide (NO2) level in Conwy, Wales at the moment is 5.632 ppb.
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