Air Quality in Colwyn Bay, United Kingdom
Cloudy
9.9°C · 74.6% humidity
9.9°
Feels 6.6°
39
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Colwyn Bay's air quality — share it
AQI Forecast
25
12am
25
25
39
3am
35
32
30
6am
29
28
27
9am
26
26
26
12pm
24
25
25
3pm
25
25
25
6pm
25
25
25
9pm
25
25
Air Quality Index Trend
46h · 1 stnColwyn Bay's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.
74.6%
Humidity
28.4 km/h
Wind SSE
1016.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.38 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Colwyn Bay?
Temperature & Precipitation
PM2.5 Trend
46h · 1 stationPM2.59.38 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Colwyn Bay?
07-22
17.9° 9.9°
1.25 mm
07-23
16.2° 9.4°
1.0 mm
07-24
16.0° 11.2°
4.56 mm
07-25
18.2° 9.6°
0.31 mm
07-26
22.0° 10.1°
0.13 mm
07-27
19.6° 13.5°
1.87 mm
07-28
18.7° 11.1°
0.25 mm
Both models agree
Avg diff: 2.6°C
What cities are near Colwyn Bay?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-22T02:18 UTC.