Toggle navigation
Places
CAQI (Europe)
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
England
Hertfordshire
Saint Albans District
St Stephen
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
St Stephen
Saint Albans District, Hertfordshire
2024-06-25 05:00
CAQI (Europe)
Very Low
Pollutants
|
Pollens
O3
μg/m³
40
NO2
μg/m³
24
PM2.5
μg/m³
6
PM10
μg/m³
10
SO2
μg/m³
1
Mugwort
9.0
Grasses
9.0
Alder
0
Ragweed
0
Birch
0
Olive Tree
0
Weather
℃
℃
℉
15℃
90%
5 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
Allergy Risk
O3
NO2
PM2.5
PM10
SO2
Mugwort
Grasses
Alder
Ragweed
Birch
Olive Tree
Data Sources
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 Stephen
AQI 17
Woodside
AQI 12
Abbots Langley & Bedmond
AQI 12
Park Street
AQI 17
Meriden
AQI 17
Leavesden
AQI 12
Stanborough
AQI 12
Verulam
AQI 17
Sopwell
AQI 17
Leggatts
AQI 12
Tudor
AQI 12
Air Matters © 2024