Toggle navigation
Places
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
English
Français
Deutsch
日本語
한국어
简体中文
繁體中文
Europe
United Kingdom
Wales
Vale of Glamorgan
St Athan
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
St Athan
Vale of Glamorgan, Wales
2026-01-01 18:00
AQI (US)
Moderate
Pollutants
|
Pollens
PM2.5
μg/m³
15
PM10
μg/m³
16
Alder
0
Ragweed
0
Mugwort
0
Birch
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
4℃
86%
19 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Allergy Risk
PM2.5
PM10
Alder
Ragweed
Mugwort
Birch
Olive Tree
Grasses
Data Sources
http://www.polleninfo.org
http://uk-air.defra.gov.uk/
Get the App
Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.
iPhone, iPad
Android
Scan QR Code to Download App
iOS
Google Play
Download APK
Cities Nearby
St Athan
AQI 62
Llantwit Major
AQI 62
Rhoose
AQI 62
St Nicholas and Llancarfan
AQI 62
Cowbridge
AQI 62
Llandow
AQI 62
Dyfan
AQI 62
Illtyd
AQI 62
Baruc
AQI 62
Peterston-super-Ely
AQI 62
Barry
AQI 62
Air Matters © 2026